Dr.-Ing. Thomas Heumüller

2025

• Arango Marin V., Wortmann J., Osterrieder T., Weitz P., Rocha Ortiz JS., Wu M., Zhou X., Eller F., Heumüller T., Hauch J., Liu C., Le Corre VM., Spiecker E., Herzig EM., Lu G., Lüer L., Brabec C.:
  Fine-Tuning Donor Material Deposition with Ultrasonic Aerosol Jet Printing to Balance Efficiency and Stability in Inverted Organic Photovoltaic Devices
  In: ACS Applied Materials and Interfaces 17 (2025), p. 46149-46160
  ISSN: 1944-8244
  DOI: 10.1021/acsami.5c09318
  BibTeX: Download
• Haffner-Schirmer J., Le Corre VM., Forberich K., Egelhaaf HJ., Osterrieder T., Wortmann J., Liu C., Weitz P., Heumüller T., Bornschlegl A., Wachsmuth J., Distler A., Wagner M., Peng Z., Lüer L., Brabec C.:
  A High Throughput Platform to Minimize Voltage and Fill Factor Losses
  In: Advanced Energy Materials (2025)
  ISSN: 1614-6832
  DOI: 10.1002/aenm.202403479
  BibTeX: Download
• Li C., Vincze A., Park H., Streller F., Götz K., Qiu S., Byun J., Shang Y., Yuan Z., Dong L., Tian J., Peng Z., Liu C., Yang F., Wang Y., Späth A., Osvet A., Forberich K., Heumüller T., Christiansen SH., Halik M., Fink R., Unruh T., Li N., Lüer L., Brabec C.:
  Anchoring ligand engineering enables highly stable MA-free perovskite solar cells with a minimal VOC deficit of 0.32 V
  In: Energy and Environmental Science 18 (2025), p. 7660 – 7668
  ISSN: 1754-5692
  DOI: 10.1039/d5ee03162a
  BibTeX: Download
• Peng Z., Wortmann J., Hong J., Zhou S., Bornschlegl A., Haffner-Schirmer J., Corre VM., Heumüller T., Osvet A., Rand BP., Lüer L., Brabec C.:
  Locating Non-Radiative Recombination Losses and Understanding Their Impact on the Stability of Perovskite Solar Cells During Photo-Thermal Accelerated Ageing
  In: Advanced Energy Materials (2025)
  ISSN: 1614-6832
  DOI: 10.1002/aenm.202502787
  BibTeX: Download
• Tian J., Liu C., Forberich K., Barabash A., Xie Z., Qiu S., Byun J., Peng Z., Zhang K., Du T., Sathasivam S., Macdonald TJ., Dong L., Li C., Zhang J., Halik M., Le Corre VM., Osvet A., Heumüller T., Li N., Zhou Y., Lüer L., Brabec C.:
  Overcoming optical losses in thin metal-based recombination layers for efficient n-i-p perovskite-organic tandem solar cells
  In: Nature Communications 16 (2025), Article No.: 154
  ISSN: 2041-1723
  DOI: 10.1038/s41467-024-55376-7
  BibTeX: Download
• Wortmann J., Du X., Wagner J., Weitz P., Arnold S., Liu C., Le Corre VM., Barabash A., Hauch J., Heumüller T., Brabec C.:
  Improved ZnO Post-Treatment for High Performance Organic Solar Cell Materials
  In: Solar RRL (2025)
  ISSN: 2367-198X
  DOI: 10.1002/solr.202500156
  BibTeX: Download

2024

• Li C., Park H., Qiu S., Streller F., Zhang K., Peng Z., Byun J., Tian J., Maiti S., Xie Z., Dong L., Liu C., Le Corre VM., Shang Y., Wu J., Zhang J., Feng M., Späth A., Forberich K., Osvet A., Heumüller T., Christiansen SH., Halik M., Fink R., Unruh T., Li N., Lüer L., Brabec C.:
  Controlling Intermediate Phase Formation to Enhance Photovoltaic Performance of Inverted FA-Based Perovskite Solar Cells
  In: ACS Energy Letters 9 (2024), p. 5434-5443
  ISSN: 2380-8195
  DOI: 10.1021/acsenergylett.4c02580
  BibTeX: Download
• Li C., Zhang K., Maiti S., Peng Z., Tian J., Park H., Byun J., Xie Z., Dong L., Qiu S., Bornschlegl A., Liu C., Zhang J., Osvet A., Heumüller T., Christiansen SH., Halik M., Unruh T., Li N., Lüer L., Brabec C.:
  Tailoring the Dimensionality of 2D/3D Heterojunctions for Inverted Perovskite Solar Cells
  In: ACS Energy Letters 9 (2024), p. 779-788
  ISSN: 2380-8195
  DOI: 10.1021/acsenergylett.4c00045
  BibTeX: Download
• Liu S., Zhang D., Egelhaaf HJ., Wang G., Li X., Heumüller T., Brabec C., Li N.:
  Analyzing the outdoor degradation behavior of organic solar modules in North China
  In: Journal of Materials Chemistry A (2024)
  ISSN: 2050-7488
  DOI: 10.1039/d4ta00493k
  BibTeX: Download
• Liu Z., Xie C., Heumüller T., McCulloch I., Brabec C., Huang F., Cao Y., Li N.:
  A review on organic nanoparticle-based optoelectronic devices: from synthesis to applications
  In: Energy and Environmental Science 18 (2024), p. 155-193
  ISSN: 1754-5692
  DOI: 10.1039/d4ee03575e
  BibTeX: Download
• Luo J., Liu B., Yin H., Zhou X., Wu M., Shi H., Zhang J., Elia J., Zhang K., Wu J., Xie Z., Liu C., Yuan J., Wan Z., Heumüller T., Lüer L., Spiecker E., Li N., Jia C., Brabec C., Zhao Y.:
  Correction to: Polymer-acid-metal quasi-ohmic contact for stable perovskite solar cells beyond a 20,000-hour extrapolated lifetime (Nature Communications, (2024), 15, 1, (2002), 10.1038/s41467-024-46145-7)
  In: Nature Communications 15 (2024), Article No.: 2314
  ISSN: 2041-1723
  DOI: 10.1038/s41467-024-46688-9
  BibTeX: Download
• Luo J., Liu B., Yin H., Zhou X., Wu M., Shi H., Zhang J., Elia J., Zhang K., Wu J., Xie Z., Liu C., Yuan J., Wan Z., Heumüller T., Lüer L., Spiecker E., Li N., Jia C., Brabec C., Zhao Y.:
  Polymer-acid-metal quasi-ohmic contact for stable perovskite solar cells beyond a 20,000-hour extrapolated lifetime
  In: Nature Communications 15 (2024), Article No.: 2002
  ISSN: 2041-1723
  DOI: 10.1038/s41467-024-46145-7
  BibTeX: Download
• Peng Z., Vincze A., Streller F., Le Corre VM., Zhang K., Li C., Tian J., Liu C., Luo J., Zhao Y., Späth A., Fink R., Heumüller T., Osvet A., Li N., Stolterfoht M., Lüer L., Brabec C.:
  Revealing Degradation Mechanisms in 3D/2D Perovskite Solar Cells under Photothermal Accelerated Ageing
  In: Energy and Environmental Science (2024)
  ISSN: 1754-5692
  DOI: 10.1039/D4EE03869J
  BibTeX: Download
• Weitz P., Wortmann J., Liu C., Wen TJ., Li CZ., Heumüller T., Brabec C.:
  Photodegradation of Organic Solar Cells under Visible Light and the Crucial Influence of Its Spectral Composition
  In: ACS Applied Materials and Interfaces 16 (2024), p. 36667-36677
  ISSN: 1944-8244
  DOI: 10.1021/acsami.4c03446
  BibTeX: Download
• Xu J., Heumüller T., Le Corre VM., Barabash A., Félix R., Frisch J., Bär M., Brabec C.:
  A polymer bilayer hole transporting layer architecture for high-efficiency and stable organic solar cells
  In: Joule (2024)
  ISSN: 2542-4351
  DOI: 10.1016/j.joule.2024.06.013
  BibTeX: Download
• Xu J., Luo J., Gubanov K., Barabash A., Fink R., Heumüller T., Brabec C.:
  Doping of Mesoscopic Charge Extraction Layers Enables the Design of Long-Time Stable Organic Solar Cells
  In: ACS Energy Letters (2024), p. 30-37
  ISSN: 2380-8195
  DOI: 10.1021/acsenergylett.3c02087
  BibTeX: Download
• Zhang J., Wu J., Barabash A., Du T., Qiu S., Le Corre VM., Zhao Y., Zhang K., Schmitt F., Peng Z., Tian J., Li C., Liu C., Heumüller T., Lüer L., Hauch J., Brabec C.:
  Precise control of process parameters for >23% efficiency perovskite solar cells in ambient air using an automated device acceleration platform
  In: Energy and Environmental Science 17 (2024), p. 5409-5499
  ISSN: 1754-5692
  DOI: 10.1039/d4ee01432d
  BibTeX: Download

2023

• Liu C., Lüer L., Le Corre VM., Forberich K., Weitz P., Heumüller T., Du X., Wortmann J., Zhang J., Wagner J., Ying L., Hauch J., Li N., Brabec C.:
  Understanding Causalities in Organic Photovoltaics Device Degradation in a Machine-Learning-Driven High-Throughput Platform
  In: Advanced Materials (2023)
  ISSN: 0935-9648
  DOI: 10.1002/adma.202300259
  BibTeX: Download
• Lüer L., Wang R., Liu C., Dube H., Heumüller T., Hauch J., Brabec C.:
  Maximizing Performance and Stability of Organic Solar Cells at Low Driving Force for Charge Separation
  In: Advanced Science (2023)
  ISSN: 2198-3844
  DOI: 10.1002/advs.202305948
  BibTeX: Download
• Saladina M., Wöpke C., Göhler C., Ramirez I., Gerdes O., Liu C., Li N., Heumüller T., Brabec C., Walzer K., Pfeiffer M., Deibel C.:
  Power-Law Density of States in Organic Solar Cells Revealed by the Open-Circuit Voltage Dependence of the Ideality Factor
  In: Physical Review Letters 130 (2023), p. 236403-
  ISSN: 0031-9007
  DOI: 10.1103/PhysRevLett.130.236403
  BibTeX: Download
• Wachsmuth J., Distler A., Liu C., Heumüller T., Liu Y., Aitchison CM., Hauser A., Rossier M., Robitaille A., Llobel MA., Morin PO., Thepaut A., Arrive C., McCulloch I., Zhou Y., Brabec C., Egelhaaf HJ.:
  Fully Printed and Industrially Scalable Semitransparent Organic Photovoltaic Modules: Navigating through Material and Processing Constraints
  In: Solar RRL (2023)
  ISSN: 2367-198X
  DOI: 10.1002/solr.202300602
  BibTeX: Download
• Xu J., Späth A., Gruber W., Barabash A., Stadler P., Gubanov K., Wu M., Forberich K., Spiecker E., Fink RH., Unruh T., McCulloch I., Brabec C., Heumüller T.:
  Tailoring doped organic nanoparticles as selective hole transporters for printed non-fullerene organic solar cells
  In: Nano Energy 118 (2023), Article No.: 108956
  ISSN: 2211-2855
  DOI: 10.1016/j.nanoen.2023.108956
  BibTeX: Download
• Zhang D., Liu C., Zhang K., Jia Y., Zhong W., Qiu W., Li Y., Heumüller T., Forberich K., Le Corre VM., Lüer L., Li N., Huang F., Brabec C., Ying L.:
  Observation of reversible light degradation in organic photovoltaics induced by long-persistent radicals
  In: Energy and Environmental Science (2023)
  ISSN: 1754-5692
  DOI: 10.1039/d3ee02540c
  BibTeX: Download
• Zhang J., Liu B., Liu Z., Wu J., Arnold S., Shi H., Osterrieder T., Hauch J., Wu Z., Luo J., Wagner J., Berger C., Stubhan T., Schmitt F., Zhang K., Sytnyk M., Heumüller T., Sutter-Fella CM., Peters IM., Zhao Y., Brabec C.:
  Optimizing Perovskite Thin-Film Parameter Spaces with Machine Learning-Guided Robotic Platform for High-Performance Perovskite Solar Cells
  In: Advanced Energy Materials (2023)
  ISSN: 1614-6832
  DOI: 10.1002/aenm.202302594
  BibTeX: Download
• Zhang K., Vincze A., Metwalli E., Zhang J., Liu C., Meng W., Zhang B., Tian J., Heumüller T., Xie Z., Luo J., Osvet A., Unruh T., Lüer L., Li N., Brabec C.:
  Impact of 2D Ligands on Lattice Strain and Energy Losses in Narrow-Bandgap Lead–Tin Perovskite Solar Cells
  In: Advanced Functional Materials (2023)
  ISSN: 1616-301X
  DOI: 10.1002/adfm.202303455
  BibTeX: Download

2022

• Brabec C., Heumüller T.:
  Long Lived OPV – what are the lifetime limitations of organic solar cells
  DOI: 10.29363/nanoge.nsm.2022.275
  BibTeX: Download
• Cheng Y., Huang B., Huang X., Zhang L., Kim S., Xie Q., Liu C., Heumüller T., Liu Z., Zhang Y., Wu F., Yang C., Brabec C., Chen Y., Chen L.:
  Oligomer-Assisted Photoactive Layers Enable >18 % Efficiency of Organic Solar Cells
  In: Angewandte Chemie International Edition (2022)
  ISSN: 1433-7851
  DOI: 10.1002/anie.202200329
  BibTeX: Download
• He Y., Brabec C., Heumüller T., Wortmann J., Hanisch B., Aubele A., Li N., Feng G., Jiang X., Li W., Bäuerle P., Lucas S.:
  Ultrastable single-component organic solar cells: the next frontier towards industrial viability
  International Conference on Hybrid and Organic Photovoltaics (València, May 19, 2022 – May 25, 2022)
  In: Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV22) 2022
  DOI: 10.29363/nanoge.hopv.2022.173
  BibTeX: Download
• He Y., Li N., Heumüller T., Wortmann J., Hanisch B., Aubele A., Lucas S., Feng G., Jiang X., Li W., Bäuerle P., Brabec C.:
  Industrial viability of single-component organic solar cells
  In: Joule 6 (2022), p. 1160-1171
  ISSN: 2542-4351
  DOI: 10.1016/j.joule.2022.05.008
  BibTeX: Download
• Meng W., Xu J., Dong L., Zhang J., Xie Z., Luo J., Zhao B., Zhang K., Osvet A., Heumüller T., Forberich K., Halik M., Li N., Brabec C.:
  An Innovative Anode Interface Combination for Perovskite Solar Cells with Improved Efficiency, Stability, and Reproducibility
  In: Solar RRL (2022)
  ISSN: 2367-198X
  DOI: 10.1002/solr.202200378
  BibTeX: Download
• Weitz P., Le Corre VM., Du X., Forberich K., Deibel C., Brabec C., Heumüller T.:
  Revealing Photodegradation Pathways of Organic Solar Cells by Spectrally Resolved Accelerated Lifetime Analysis
  In: Advanced Energy Materials (2022)
  ISSN: 1614-6832
  DOI: 10.1002/aenm.202202564
  BibTeX: Download
• Woepke C., Goehler C., Saladina M., Du X., Nian L., Greve C., Zhu C., Yallum KM., Hofstetter YJ., Becker-Koch D., Li N., Heumüller T., Milekhin I., Zahn DRT., Brabec C., Banerji N., Vaynzof Y., Herzig EM., Mackenzie RC., Deibel C.:
  Traps and transport resistance are the next frontiers for stable non-fullerene acceptor solar cells
  In: Nature Communications 13 (2022), Article No.: 3786
  ISSN: 2041-1723
  DOI: 10.1038/s41467-022-31326-z
  BibTeX: Download
• Wöpke C., Göhler C., Saladina M., Du X., Nian L., Greve C., Zhu C., Yallum KM., Hofstetter YJ., Becker-Koch D., Li N., Heumüller T., Milekhin I., Zahn DR., Brabec C., Banerji N., Vaynzof Y., Herzig EM., MacKenzie RC., Deibel C.:
  Author Correction: Traps and transport resistance are the next frontiers for stable non-fullerene acceptor solar cells (Nature Communications, (2022), 13, 1, (3786), 10.1038/s41467-022-31326-z)
  In: Nature Communications 13 (2022), Article No.: 4475
  ISSN: 2041-1723
  DOI: 10.1038/s41467-022-32073-x
  BibTeX: Download
• Zhang D., Li Y., Li M., Zhong W., Heumüller T., Li N., Ying L., Brabec C., Huang F.:
  Targeted Adjusting Molecular Arrangement in Organic Solar Cells via a Universal Solid Additive
  In: Advanced Functional Materials (2022)
  ISSN: 1616-301X
  DOI: 10.1002/adfm.202205338
  BibTeX: Download
• Zhang G., Lin FR., Qi F., Heumüller T., Distler A., Egelhaaf HJ., Li N., Chow PCY., Brabec C., Jen AK-., Yip HL.:
  Renewed Prospects for Organic Photovoltaics
  In: Chemical Reviews (2022)
  ISSN: 0009-2665
  DOI: 10.1021/acs.chemrev.1c00955
  BibTeX: Download
• Zhang K., Späth A., Almora O., Le Corre VM., Wortmann J., Zhang J., Xie Z., Barabash A., Hammer M., Heumüller T., Min J., Fink R., Lüer L., Li N., Brabec C.:
  Suppressing Nonradiative Recombination in Lead-Tin Perovskite Solar Cells through Bulk and Surface Passivation to Reduce Open Circuit Voltage Losses
  In: ACS Energy Letters (2022), p. 3235-3243
  ISSN: 2380-8195
  DOI: 10.1021/acsenergylett.2c01605
  BibTeX: Download

2021

• Armin A., Li W., Sandberg OJ., Xiao Z., Ding L., Nelson J., Neher D., Vandewal K., Shoaee S., Wang T., Ade H., Heumüller T., Brabec C., Meredith P.:
  A History and Perspective of Non-Fullerene Electron Acceptors for Organic Solar Cells
  In: Advanced Energy Materials (2021)
  ISSN: 1614-6832
  DOI: 10.1002/aenm.202003570
  BibTeX: Download
• Aubele A., He Y., Kraus T., Li N., Mena-Osteritz E., Weitz P., Heumüller T., Zhang K., Brabec C., Bäuerle P.:
  Molecular Oligothiophene–Fullerene Dyad Reaching Over 5% Efficiency in Single-Material Organic Solar Cells
  In: Advanced Materials (2021)
  ISSN: 0935-9648
  DOI: 10.1002/adma.202103573
  BibTeX: Download
• Burlafinger K., Strohm S., Joisten C., Woiton M., Classen A., Hepp J., Heumüller T., Brabec C., Vetter A.:
  Accelerated lifetime testing of thin-film solar cells at high irradiances and controlled temperatures
  In: Progress in Photovoltaics (2021)
  ISSN: 1062-7995
  DOI: 10.1002/pip.3517
  BibTeX: Download
• Du X., Lüer L., Heumüller T., Wagner J., Berger C., Osterrieder T., Wortmann J., Langner S., Vongsaysy U., Bertrand M., Li N., Stubhan T., Hauch J., Brabec C.:
  Elucidating the Full Potential of OPV Materials Utilizing a High-Throughput Robot-Based Platform and Machine Learning
  In: Joule (2021)
  ISSN: 2542-4351
  DOI: 10.1016/j.joule.2020.12.013
  BibTeX: Download
• He Y., Baeuerle P., Li W., Heumüller T., Li N., Brabec C.:
  Ultra-stable single component organic solar cells under thermal and/or illumination pressure: the next superior organic photovoltaics?
  13th Conference on Hybrid and Organic Photovoltaics (HOPV21) (, May 24, 2021 – May 28, 2021)
  DOI: 10.29363/nanoge.hopv.2021.007
  BibTeX: Download
• He Y., Wang B., Lüer L., Feng G., Osvet A., Heumüller T., Liu C., Li W., Guldi DM., Li N., Brabec C.:
  Unraveling the Charge-Carrier Dynamics from the Femtosecond to the Microsecond Time Scale in Double-Cable Polymer-Based Single-Component Organic Solar Cells
  In: Advanced Energy Materials (2021)
  ISSN: 1614-6832
  DOI: 10.1002/aenm.202103406
  BibTeX: Download
• Liu C., Félix R., Forberich K., Du X., Heumüller T., Matt G., Gu E., Wortmann J., Zhao Y., Cao Y., He Y., Ying L., Hauser A., Oszajca MF., Hartmeier B., Rossier M., Lüchinger NA., Liu YS., Guo J., Nie K., Wilks RG., Bachmann J., Bär M., Li N., Brabec C.:
  Utilizing the unique charge extraction properties of antimony tin oxide nanoparticles for efficient and stable organic photovoltaics
  In: Nano Energy 89 (2021), Article No.: 106373
  ISSN: 2211-2855
  DOI: 10.1016/j.nanoen.2021.106373
  BibTeX: Download
• Perea JD., Gasca DC., Echeverry-Prieto G., Quiroga-Fonseca V., Orozco-Donneys C., Díaz-Montealegre LC., Ortiz A., Molina G., Cruz D., Persad A., Redd-Kantareddy SN., Wachsmuth J., Heumüller T., Brabec C., Rodriguez-Toro VA., Salguero C.:
  Last Generation Solar Cells in Outer Space: A STEM Outreach Project with Middle and High School Students in Colombia
  In: European Journal of STEM Education 6 (2021)
  ISSN: 2468-4368
  DOI: 10.20897/ejsteme/11353
  BibTeX: Download
• Sun S., Tiihonen A., Oviedo F., Liu Z., Thapa J., Zhao Y., Hartono NTP., Goyal A., Heumüller T., Batali C., Encinas A., Yoo JJ., Li R., Ren Z., Peters MI., Brabec C., Bawendi MG., Stevanovic V., Fisher J., Buonassisi T.:
  A data fusion approach to optimize compositional stability of halide perovskites
  In: Matter (2021)
  ISSN: 2590-2385
  DOI: 10.1016/j.matt.2021.01.008
  BibTeX: Download
• Wang R., Lüer L., Langner S., Heumüller T., Forberich K., Zhang H., Hauch J., Li N., Brabec C.:
  Understanding the Microstructure Formation of Polymer Films by Spontaneous Solution Spreading Coating with a High-Throughput Engineering Platform
  In: Chemsuschem (2021)
  ISSN: 1864-5631
  DOI: 10.1002/cssc.202100927
  BibTeX: Download
• Zhao Y., Hauch J., Zhang J., Xu Z., Sun S., Langner S., Hartono NTP., Heumüller T., Hou Y., Elia J., Li N., Matt G., Du X., Meng W., Osvet A., Zhang K., Stubhan T., Feng Y., Sargent EH., Buonassisi T., Brabec C.:
  Discovery of temperature-induced stability reversal in perovskites using high-throughput robotic learning
  In: Nature Communications 12 (2021), Article No.: 2191
  ISSN: 2041-1723
  DOI: 10.1038/s41467-021-22472-x
  BibTeX: Download

2020

• Almora O., Zhao Y., Du X., Heumüller T., Matt G., Garcia-Belmonte G., Brabec C.:
  Light intensity modulated impedance spectroscopy (LIMIS) in all-solid-state solar cells at open-circuit
  In: Nano Energy 75 (2020), Article No.: 104982
  ISSN: 2211-2855
  DOI: 10.1016/j.nanoen.2020.104982
  BibTeX: Download
• Brabec C., Distler A., Du X., Egelhaaf HJ., Hauch J., Heumüller T., Li N.:
  Material Strategies to Accelerate OPV Technology Toward a GW Technology
  In: Advanced Energy Materials 10 (2020)
  ISSN: 1614-6832
  DOI: 10.1002/aenm.202001864
  BibTeX: Download
• Classen A., Chochos CL., Lüer L., Gregoriou VG., Wortmann J., Osvet A., Forberich K., McCulloch I., Heumüller T., Brabec C.:
  The role of exciton lifetime for charge generation in organic solar cells at negligible energy-level offsets
  In: Nature Energy (2020)
  ISSN: 2058-7546
  DOI: 10.1038/s41560-020-00684-7
  BibTeX: Download
• Du X., Heumüller T., Gruber W., Almora O., Classen A., Qu J., He F., Unruh T., Li N., Brabec C.:
  Unraveling the Microstructure-Related Device Stability for Polymer Solar Cells Based on Nonfullerene Small-Molecular Acceptors
  In: Advanced Materials (2020), Article No.: 1908305
  ISSN: 0935-9648
  DOI: 10.1002/adma.201908305
  BibTeX: Download
• Langner S., Häse F., Perea JD., Stubhan T., Hauch J., Roch LM., Heumüller T., Aspuru-Guzik A., Brabec C.:
  Beyond Ternary OPV: High-Throughput Experimentation and Self-Driving Laboratories Optimize Multicomponent Systems
  In: Advanced Materials (2020), Article No.: 1907801
  ISSN: 0935-9648
  DOI: 10.1002/adma.201907801
  BibTeX: Download
• Ren Z., Oviedo F., Thway M., Tian SIP., Wang Y., Xue H., Dario Perea J., Layurova M., Heumüller T., Birgersson E., Aberle AG., Brabec C., Stangl R., Li Q., Sun S., Lin F., Peters IM., Buonassisi T.:
  Embedding physics domain knowledge into a Bayesian network enables layer-by-layer process innovation for photovoltaics
  In: npj Computational Materials 6 (2020)
  ISSN: 2057-3960
  DOI: 10.1038/s41524-020-0277-x
  BibTeX: Download
• Zhao Y., Miao P., Elia J., Hu H., Wang X., Heumüller T., Hou Y., Matt G., Osvet A., Chen YT., Tarragó M., de Ligny D., Przybilla T., Denninger P., Will J., Zhang J., Tang X., Li N., He C., Pan A., Meixner AJ., Spiecker E., Zhang D., Brabec C.:
  Strain-activated light-induced halide segregation in mixed-halide perovskite solids
  In: Nature Communications 11 (2020), Article No.: 6328
  ISSN: 2041-1723
  DOI: 10.1038/s41467-020-20066-7
  BibTeX: Download

2019

• Classen A., Heumüller T., Wabra I., Gerner J., He Y., Einsiedler L., Li N., Matt G., Osvet A., Du X., Hirsch A., Brabec C.:
  Revealing Hidden UV Instabilities in Organic Solar Cells by Correlating Device and Material Stability
  In: Advanced Energy Materials 9 (2019), Article No.: 1902124
  ISSN: 1614-6832
  DOI: 10.1002/aenm.201902124
  BibTeX: Download
• Du X., Heumüller T., Gruber W., Classen A., Unruh T., Li N., Brabec C.:
  Efficient Polymer Solar Cells Based on Non-fullerene Acceptors with Potential Device Lifetime Approaching 10 Years
  In: Joule 3 (2019), p. 215-226
  ISSN: 2542-4351
  DOI: 10.1016/j.joule.2018.09.001
  BibTeX: Download
• He Y., Heumüller T., Lai W., Feng G., Classen A., Du X., Liu C., Li W., Li N., Brabec C.:
  Evidencing Excellent Thermal- and Photostability for Single-Component Organic Solar Cells with Inherently Built-In Microstructure
  In: Advanced Energy Materials 9 (2019), Article No.: 1900409
  ISSN: 1614-6832
  DOI: 10.1002/aenm.201900409
  BibTeX: Download
• Hou Y., Xie C., Radmilovic VV., Puscher B., Wu M., Heumüller T., Karl A., Li N., Tang X., Meng W., Chen S., Osvet A., Guldi DM., Spiecker E., Radmilovic VR., Brabec C.:
  Assembling Mesoscale-Structured Organic Interfaces in Perovskite Photovoltaics
  In: Advanced Materials 31 (2019), Article No.: 1806516
  ISSN: 0935-9648
  DOI: 10.1002/adma.201806516
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• Rakocevic L., Ernst F., Yimga NT., Vashishtha S., Aernouts T., Heumüller T., Brabec C., Gehlhaar R., Poortmans J.:
  Reliable Performance Comparison of Perovskite Solar Cells Using Optimized Maximum Power Point Tracking
  In: Solar RRL 3 (2019)
  ISSN: 2367-198X
  DOI: 10.1002/solr.201800287
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• Ren Z., Oviedo F., Xue H., Thway M., Zhang K., Li N., Perea JD., Layurova M., Wang Y., Tian SIP., Heumüller T., Birgersson E., Lin F., Aberle AG., Sun S., Peters IM., Stangl R., Brabec C., Buonassisi T.:
  Physics-guided characterization and optimization of solar cells using surrogate machine learning model
  2019 IEEE 46th Photovoltaic Specialists Conference (PVSC) (Chicago, June 16, 2019 – June 21, 2019)
  DOI: 10.1109/PVSC40753.2019.8980715
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• Zhang C., Heumüller T., Gruber W., Almora O., Du X., Ying L., Chen J., Unruh T., Cao Y., Li N., Brabec C.:
  Comprehensive Investigation and Analysis of Bulk-Heterojunction Microstructure of High-Performance PCE11:PCBM Solar Cells
  In: ACS Applied Materials and Interfaces 11 (2019), p. 18555-18563
  ISSN: 1944-8244
  DOI: 10.1021/acsami.8b22539
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• Zhang C., Heumüller T., Leon S., Gruber W., Burlafinger K., Tang X., Perea JD., Wabra I., Hirsch A., Unruh T., Li N., Brabec C.:
  A top-down strategy identifying molecular phase stabilizers to overcome microstructure instabilities in organic solar cells
  In: Energy and Environmental Science 12 (2019), p. 1078-1087
  ISSN: 1754-5692
  DOI: 10.1039/c8ee03780a
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2018

• Guerrero A., Bou A., Matt G., Almora O., Heumüller T., Garcia-Belmonte G., Bisquert J., Hou Y., Brabec C.:
  Switching Off Hysteresis in Perovskite Solar Cells by Fine-Tuning Energy Levels of Extraction Layers
  In: Advanced Energy Materials 8 (2018), Article No.: 201703376
  ISSN: 1614-6832
  DOI: 10.1002/aenm.201703376
  URL: https://onlinelibrary.wiley.com/doi/abs/10.1002/aenm.201703376
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• Liu X., Du X., Wang J., Duan C., Tang X., Heumüller T., Liu G., Li Y., Wang Z., Wang J., Liu F., Li N., Brabec C., Huang F., Cao Y.:
  Efficient Organic Solar Cells with Extremely High Open-Circuit Voltages and Low Voltage Losses by Suppressing Nonradiative Recombination Losses
  In: Advanced Energy Materials (2018), Article No.: 1801699
  ISSN: 1614-6832
  DOI: 10.1002/aenm.201801699
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• Ramírez Quiroz CO., Shen Y., Salvador MF., Forberich K., Schrenker N., Spyropoulos G., Heumüller T., Wilkinson B., Kirchartz T., Spiecker E., Verlinden PJ., Zhang X., Green MA., Ho-Baillie A., Brabec C.:
  Balancing electrical and optical losses for efficient 4-terminal Si–perovskite solar cells with solution processed percolation electrodes
  In: Journal of Materials Chemistry A 6 (2018), p. 10149-10149
  ISSN: 2050-7488
  DOI: 10.1039/c7ta10945h
  URL: http://pubs.rsc.org/en/content/articlepdf/2018/ta/c7ta10945h
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• Ramírez Quiroz CO., Shen Y., Salvador MF., Forberich K., Schrenker N., Spyropoulos G., Heumüller T., Wilkinson B., Kirchartz T., Spiecker E., Verlinden PJ., Zhang X., Green MA., Ho-Baillie A., Brabec C.:
  Correction: Balancing electrical and optical losses for efficient 4-terminal Si-perovskite solar cells with solution processed percolation electrodes (Journal of Materials Chemistry A (2018) 6 (3583-3592) DOI: 10.1039/C7TA10945H)
  In: Journal of Materials Chemistry A 6 (2018)
  ISSN: 2050-7488
  DOI: 10.1039/c8ta90069h
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• Xie C., Heumüller T., Gruber W., Tang X., Classen A., Schuldes I., Bidwell M., Späth A., Fink R., Unruh T., Mcculloch I., Li N., Brabec C.:
  Overcoming efficiency and stability limits in water-processing nanoparticular organic photovoltaics by minimizing microstructure defects
  In: Nature Communications 8 (2018), Article No.: 1702857
  ISSN: 2041-1723
  DOI: 10.1038/s41467-018-07807-5
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2017

• Gasparini N., Salvador MF., Heumüller T., Richter M., Classen A., Shrestha S., Matt G., Holliday S., Strohm S., Egelhaaf HJ., Wadsworth A., Baran D., Mcculloch I., Brabec C.:
  Polymer: Nonfullerene Bulk Heterojunction Solar Cells with Exceptionally Low Recombination Rates
  In: Advanced Energy Materials (2017)
  ISSN: 1614-6832
  DOI: 10.1002/aenm.201701561
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• Gasparini N., Salvador MF., Strohm S., Heumüller T., Levchuk I., Wadsworth A., Bannock JH., de Mello JC., Egelhaaf HJ., Baran D., Mcculloch I., Brabec C.:
  Burn-in Free Nonfullerene-Based Organic Solar Cells
  In: Advanced Energy Materials (2017)
  ISSN: 1614-6832
  DOI: 10.1002/aenm.201700770
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• Li N., Perea JD., Kassar T., Richter M., Heumüller T., Matt G., Hou Y., Güldal NS., Chen H., Chen S., Langner S., Berlinghof M., Unruh T., Brabec C.:
  Abnormal strong burn-in degradation of highly efficient polymer solar cells caused by spinodal donor-acceptor demixing
  In: Nature Communications 8 (2017), Article No.: 14541
  ISSN: 2041-1723
  DOI: 10.1038/ncomms14541
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• Min J., Güldal NS., Guo J., Fang C., Jiao X., Hu H., Heumüller T., Ade H., Brabec C.:
  Gaining further insight into the effects of thermal annealing and solvent vapor annealing on time morphological development and degradation in small molecule solar cells
  In: Journal of Materials Chemistry A 5 (2017), p. 18101-18110
  ISSN: 2050-7488
  DOI: 10.1039/c7ta04769j
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2016

• Gasparini N., Jiao X., Heumüller T., Baran D., Matt G., Fladischer S., Spiecker E., Ade H., Brabec C., Ameri T.:
  Designing ternary blend bulk heterojunction solar cells with reduced carrier recombination and a fill factor of 77%
  In: Nature Energy 1 (2016)
  ISSN: 2058-7546
  DOI: 10.1038/NENERGY.2016.118
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• Heumüller T., Mateker WR., Distler A., Fritze UF., Cheacharoen R., Nguyen WH., Biele M., Salvador MF., von Delius M., Egelhaaf HJ., Mcgehee MD., Brabec C.:
  Morphological and electrical control of fullerene dimerization determines organic photovoltaic stability
  In: Energy and Environmental Science 9 (2016), p. 247-256
  ISSN: 1754-5692
  DOI: 10.1039/c5ee02912k
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• Hou Y., Chen W., Baran D., Stubhan T., Luechinger NA., Hartmeier B., Richter M., Min J., Chen S., Ramírez Quiroz CO., Li N., Zhang H., Heumüller T., Matt G., Osvet A., Forberich K., Zhang ZG., Li Y., Winter B., Schweizer P., Spiecker E., Brabec C.:
  Overcoming the Interface Losses in Planar Heterojunction Perovskite-Based Solar Cells
  In: Advanced Materials (2016), p. 5112-5120
  ISSN: 0935-9648
  DOI: 10.1002/adma.201504168
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• Min J., Cui C., Heumüller T., Fladischer S., Cheng X., Spiecker E., Li Y., Brabec C.:
  Side-Chain Engineering for Enhancing the Properties of Small Molecule Solar Cells: A Trade-off Beyond Efficiency
  In: Advanced Energy Materials 6 (2016), Article No.: 1600515
  ISSN: 1614-6832
  DOI: 10.1002/aenm.201600515
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• Min J., Jiao X., Sgobba V., Kan B., Heumüller T., Rechberger S., Spiecker E., Guldi DM., Wan X., Chen Y., Ade H., Brabec C.:
  High efficiency and stability small molecule solar cells developed by bulk microstructure fine-tuning
  In: Nano Energy 28 (2016), p. 241-249
  ISSN: 2211-2855
  DOI: 10.1016/j.nanoen.2016.08.047
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• Richter M., Heumüller T., Matt G., Heiß W., Brabec C., Heiß W.:
  Carbon Photodetectors: The Versatility of Carbon Allotropes
  In: Advanced Energy Materials (2016)
  ISSN: 1614-6832
  DOI: 10.1002/aenm.201601574
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2015

• Ramírez Quiroz CO., Levchuk I., Bronnbauer C., Salvador MF., Forberich K., Heumüller T., Hou Y., Schweizer P., Spiecker E., Brabec C.:
  Pushing efficiency limits for semitransparent perovskite solar cells
  In: Journal of Materials Chemistry A 3 (2015), p. 24071-24081
  ISSN: 2050-7488
  DOI: 10.1039/c5ta08450d
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2014

• Ameri T., Khoram P., Heumüller T., Baran D., Machui F., Troeger A., Sgobba V., Guldi DM., Halik M., Rathgeber S., Scherf U., Brabec C.:
  Morphology analysis of near IR sensitized polymer/fullerene organic solar cells by implementing low bandgap heteroanalogue C-/Si-PCPDTBT
  In: Journal of Materials Chemistry A 2 (2014), p. 19461-19472
  ISSN: 2050-7488
  DOI: 10.1039/c4ta04070h
  URL: http://pubs.rsc.org/en/content/articlelanding/2014/ta/c4ta04070h#!divAbstract
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• Sachs-Quintana IT., Heumüller T., Mateker WR., Orozco DE., Cheacharoen R., Sweetnam S., Brabec C., Mcgehee MD.:
  Electron barrier formation at the organic-back contact interface is the first step in thermal degradation of polymer solar cells
  In: Advanced Functional Materials 24 (2014), p. 3978-3985
  ISSN: 1616-301X
  DOI: 10.1002/adfm.201304166
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• Vandewal K., Widmer J., Heumüller T., Brabec C., Mcgehee MD., Leo K., Riede M., Salleo A.:
  Increased open-circuit voltage of organic solar cells by reduced donor-acceptor interface area
  In: Advanced Materials 26 (2014), p. 3839-3843
  ISSN: 0935-9648
  DOI: 10.1002/adma.201400114
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2013

• Ameri T., Heumüller T., Min J., Li N., Matt G., Scherf U., Brabec C.:
  IR sensitization of an indene-C60 bisadduct (ICBA) in ternary organic solar cells
  In: Energy and Environmental Science 6 (2013), p. 1796-1801
  ISSN: 1754-5692
  DOI: 10.1039/c3ee24512h
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• Azimi SH., Heumüller T., Gerl A., Matt G., Kubis P., Distaso M., Ahmad R., Akdas T., Richter M., Peukert W., Brabec C.:
  Relation of Nanostructure and Recombination Dynamics in a Low-Temperature Solution-Processed CuInS2 Nanocrystalline Solar Cell
  In: Advanced Energy Materials 3 (2013), p. 1589–1596
  ISSN: 1614-6832
  DOI: 10.1002/aenm.201300449
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• Min J., Luponosov YN., Ameri T., Elschner A., Peregudova SM., Baran D., Heumüller T., Li N., Machui F., Ponomarenko S., Brabec C.:
  A solution-processable star-shaped molecule for high-performance organic solar cells via alkyl chain engineering and solvent additive
  In: Organic Electronics 14 (2013), p. 219-229
  ISSN: 1566-1199
  DOI: 10.1016/j.orgel.2012.11.002
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