journal article·2024-06Open access

Heteroatom Engineering of a Dibenzo[g,p]Chrysene‐Based Hole Transporting Material Provides High‐Performance Perovskite Solar Cells

Xianfu Zhang, Shaochen Zhang, Xiaobin Liao, Bin Ding, Ghadari Rahim, Kangning Zhao, Jianlin Chen, Mingyuan Han, Ying Zhou, Pengju Shi, Kai Zhang, Sachin Kinge, Hong Zhang, Rui Wang, Keith G. Brooks, Songyuan Dai, Xuepeng Liu, Zhaofu Fei, Paul J. Dyson, Mohammad Khaja Nazeeruddin, Yong Ding

Advanced Functional Materials· Volume 34· Issue 24

Abstract

Abstract Hole‐transporting materials (HTMs) are indispensable for realizing efficient and stable perovskite solar cells (PSCs). Herein, a novel dibenzo[g,p]chrysene‐based HTM, termed FTPE‐OSMe, is synthesized with peripheral methoxy‐ and methylthio‐groups, which contrasts with most other small molecule HTMs that feature only methoxy‐groups. The presence of methoxy‐ and methylthio‐groups endows FTPE‐OSMe with appropriate energy levels, high‐hole mobility and enhanced interfacial interactions. PSCs employing Li‐TFSI and 4‐tert‐butylpyridine‐doped FTPE‐OSMe demonstrate a remarkable power conversion efficiency (PCE) of 24.94% (certified 24.89%). The larger‐scale PSC (1.0 cm2) and module (29.0 cm2) yield PCEs of 23.57 and 20.22%, respectively. In addition, the dopant‐free FTPE‐OSMe‐based PSCs exhibit a respectable PCE of 22.40% and excellent stability.
Source: crossref · Quality: baseline

Research context

OpenAlex topics: Perovskite Materials and Applications · Conducting polymers and applications · Organic Light-Emitting Diodes Research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Beijing Key Laboratory of Novel Thin‐Film Solar Cells North China Electric Power University Beijing 102206 China

Institut des Sciences et Ingénierie Chimiques Ecole Polytechnique Fédérale de Lausanne (EPFL) Lausanne CH‐1015 Switzerland

School of Engineering Westlake University Hangzhou 310024 China

State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan 430070 China

Computational Chemistry Laboratory, Department of Organic and Biochemistry, Faculty of Chemistry University of Tabriz Tabriz 5166616471 Iran

Toyota Motor Corporation Toyota Motor Technical Centre Advanced Technology Div. Hoge Wei 33 Zaventem B‐1930 Belgium

State Key Laboratory of Photovoltaic Science and Technology Shanghai Frontiers Science Research Base of Intelligent Optoelectronics and Perception Institute of Optoelectronics Fudan University Shanghai 200433 China

Chemistry Department, Faculty of Science King Abdulaziz University P. O. Box 80203 Jeddah 21589 Saudi Arabia

Funding

National Key Research and Development Program of China · Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung · National Natural Science Foundation of China · Higher Education Discipline Innovation Project · Fundamental Research Funds for the Central Universities

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