Self-Doping a Hole-Transporting Layer Based on a Conjugated Polyelectrolyte Enables Efficient and Stable Inverted Perovskite Solar Cells
Source abstract
Abstract
The interface material is an indispensable part of perovskite solar cells (PSCs) because of its special functions. In this work, a conjugated polyelectrolyte, PTPADT-SO3Na, was synthesized and introduced to the inverted PSCs as a hole-transporting layer (HTL). PTPADT-SO3Na exhibits a close level of valence band to perovskites and good conductivity because of a self-doping effect. Accordingly, the PTPADT-SO3Na device shows excellent performances with a maximum efficiency of 18.15%, which is better than that of the device with a typical HTL [poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate)]. Meanwhile, the PTPADT-SO3Na PSC exhibits outstanding stability in an ambient atmosphere (humidity of 50%) and heating condition (85 °C).
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Perovskite Materials and Applications · Conducting polymers and applications · Organic Electronics and Photovoltaics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
Center of Materials Science and Optoelectronics Engineer, University of Chinese Academy of Sciences, Beijing 100049, China
School of Physics and Materials Science, Ministry of Education Nanophotonics & Advanced Instrument Engineering Research Center, East China Normal University, Shanghai 200062, China
Funding
Youth Innovation Promotion Association of the Chinese Academy of Sciences · National Natural Science Foundation of China · Zhejiang Provincial Natural Science Foundation of China · Key Research Program of Frontier Sciences
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