Water‐Insensitive Electron Transport and Photoactive Layers for Improved Underwater Stability of Organic Photovoltaics

CT Lin, CT Hsieh, TJ Macdonald… - Advanced Functional …, 2022 - Wiley Online Library
Water ingress is one of the major environmental stresses to cause the degradation of device
performance in organic photovoltaic (OPVs) and is one of the major barriers impeding their
commercialization. This work demonstrates that combining the use of a nanoparticle titanium
dioxide (np‐TiO2) electron transporting layer (ETL) and an all‐polymer bulk heterojunction
(BHJ) photoactive layer can endow the derived OPV with a much better water resistivity than
the commonly employed zinc oxide (ZnO) ETL or polymer: small molecule BHJ blends …

Water‐Insensitive Electron Transport and Photoactive Layers for Improved Underwater Stability of Organic Photovoltaics (Adv. Funct. Mater. 40/2022)

CT Lin, CT Hsieh, TJ Macdonald… - Advanced Functional …, 2022 - Wiley Online Library
In article number 2203487, Chieh-Ting Lin, Chu-Chen Chueh, and co-workers
systematically investigate the water-immersion stability among a series of organic
donors/acceptors and electron transporting layers. This work presents a strategy to develop
water-insensitive organic photovoltaics by combining the use of a nanoparticle titanium
dioxide electron transporting layer and all-polymer bulk heterojunction blends, which shows
stable morphology and charge transfer kinetics after water immersion.
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