Search Results - "Heumüller, Thomas"
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Renewed Prospects for Organic Photovoltaics
Published in Chemical reviews (28-09-2022)“…Organic photovoltaics (OPVs) have progressed steadily through three stages of photoactive materials development: (i) use of poly(3-hexylthiophene) and…”
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A History and Perspective of Non‐Fullerene Electron Acceptors for Organic Solar Cells
Published in Advanced energy materials (01-04-2021)“…Organic solar cells are composed of electron donating and accepting organic semiconductors. Whilst a significant palette of donors has been developed over…”
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Photodegradation of Organic Solar Cells under Visible Light and the Crucial Influence of Its Spectral Composition
Published in ACS applied materials & interfaces (17-07-2024)“…While wavelength-dependent photodegradation of organic solar cells (OSCs) under visible light is typically discussed in terms of UV/blue light-activated…”
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The role of exciton lifetime for charge generation in organic solar cells at negligible energy-level offsets
Published in Nature energy (01-09-2020)“…Organic solar cells utilize an energy-level offset to generate free charge carriers. Although a very small energy-level offset increases the open-circuit…”
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Overcoming efficiency and stability limits in water-processing nanoparticular organic photovoltaics by minimizing microstructure defects
Published in Nature communications (17-12-2018)“…There is a strong market driven need for processing organic photovoltaics from eco-friendly solvents. Water-dispersed organic semiconducting nanoparticles…”
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Characterization of the Polymer Energy Landscape in Polymer:Fullerene Bulk Heterojunctions with Pure and Mixed Phases
Published in Journal of the American Chemical Society (08-10-2014)“…Theoretical and experimental studies suggest that energetic offsets between the charge transport energy levels in different morphological phases of…”
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Traps and transport resistance are the next frontiers for stable non-fullerene acceptor solar cells
Published in Nature communications (01-07-2022)“…Stability is one of the most important challenges facing material research for organic solar cells (OSC) on their path to further commercialization. In the…”
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Suppressing Nonradiative Recombination in Lead–Tin Perovskite Solar Cells through Bulk and Surface Passivation to Reduce Open Circuit Voltage Losses
Published in ACS energy letters (14-10-2022)“…Lead–Tin perovskite solar cells (Pb/Sn PSCs) are limited by the intrinsic instability of Sn(II), which tends to oxidize forming Sn vacancies in perovskite…”
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Doping of Mesoscopic Charge Extraction Layers Enables the Design of Long-Time Stable Organic Solar Cells
Published in ACS energy letters (12-01-2024)“…Realizing efficient and stable organic solar cells (OSCs) via all-solution processing requires the design of tailored charge extraction interfaces. Herein, we…”
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High efficiency and stability small molecule solar cells developed by bulk microstructure fine-tuning
Published in Nano energy (01-10-2016)“…Morphological control over the bulk heterojunction (BHJ) microstructure of a high-efficiency small molecule photovoltaic system composed of a quinquethiophene…”
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Relation of Nanostructure and Recombination Dynamics in a Low-Temperature Solution-Processed CuInS2 Nanocrystalline Solar Cell
Published in Advanced energy materials (01-12-2013)“…The understanding and control of nanostructures with regard to transport and recombination mechanisms is of key importance in the optimization of the power…”
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Maximizing Performance and Stability of Organic Solar Cells at Low Driving Force for Charge Separation
Published in Advanced science (01-02-2024)“…Thanks to the development of novel electron acceptor materials, the power conversion efficiencies (PCE) of organic photovoltaic (OPV) devices are now…”
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Author Correction: Traps and transport resistance are the next frontiers for stable non-fullerene acceptor solar cells
Published in Nature communications (02-08-2022)Get full text
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14
Targeted Adjusting Molecular Arrangement in Organic Solar Cells via a Universal Solid Additive
Published in Advanced functional materials (01-09-2022)“…The incorporation of solid additive has been considered as an effective strategy for developing organic photovoltaics with multi‐components, which is…”
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Carbon Photodetectors: The Versatility of Carbon Allotropes
Published in Advanced energy materials (24-05-2017)“…Carbon‐based organic electronics are a technology, with the potential of complementing and substituting opto‐electronic devices based on inorganic…”
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Evidencing Excellent Thermal‐ and Photostability for Single‐Component Organic Solar Cells with Inherently Built‐In Microstructure
Published in Advanced energy materials (05-06-2019)“…Solution‐processed organic solar cells (OSCs) are promising low‐cost, flexible, portable renewable sources for future energy supply. The state‐of‐the‐art OSCs…”
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Oligomer‐Assisted Photoactive Layers Enable >18 % Efficiency of Organic Solar Cells
Published in Angewandte Chemie International Edition (16-05-2022)“…Although ternary organic solar cells (OSCs) have unique advantages in improving device performance, the morphology assembly in the ternary‐phase would be more…”
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Molecular Oligothiophene–Fullerene Dyad Reaching Over 5% Efficiency in Single‐Material Organic Solar Cells
Published in Advanced materials (Weinheim) (01-06-2022)“…A novel donor–acceptor dyad, 4, in which the conjugated oligothiophene donor is covalently connected to fullerene PC71BM by a flexible alkyl ester linker, is…”
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Revealing Photodegradation Pathways of Organic Solar Cells by Spectrally Resolved Accelerated Lifetime Analysis
Published in Advanced energy materials (13-01-2023)“…A method for organic solar cell (OSC) stability testing is presented that aims to provide more unique insight into the causes of degradation patterns of OSCs…”
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Accelerated lifetime testing of thin‐film solar cells at high irradiances and controlled temperatures
Published in Progress in photovoltaics (01-05-2022)“…Within this study, we investigate the intrinsic photostability of thin‐film solar cells, here organic photovoltaic cells. Since degradation under natural sun…”
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