DataVXACS Energy LettersPaper
journal article·2025-05-09

Wide-Bandgap Perovskite and Perovskite/Silicon Tandem Solar Cells through Strong Hydrogen Bonding Interaction

Cong Sun, Lu Jin, Xinjiang Wang, Biao Shi, Pengyang Wang, Ningyu Ren, Xiaojing Han, Lizetong Sun, Zhao Zhu, Qian Huang, Shengzhi Xu, Ying Zhao, Lijun Zhang, Xiaodan Zhang

ACS Energy Letters· Volume 10· Issue 5
Publisher page
Source abstract

Abstract

Enhancing the crystallization quality of wide-bandgap perovskite film is vital to raise the open-circuit voltage ( V OC ) and performance of the device. Based on this, we present an approach involving the incorporation of 4-morpholino formamidine hydrochloride (MFC) as an additive in the antisolvent to facilitate crystal growth through the strong hydrogen bonding interactions and concurrently mitigate the deep-level defects. With this method, we can obtain increased grain size and achieve a transition toward a more n-type surface, which synergistically results in favorable carrier transport and reduced carrier recombination. Consequently, we were able to obtain an efficiency of 23.13% for 1.68 eV-inverted perovskite solar cells (PSCs) and 30.65% with a V OC of 1.951 V for the two-terminal perovskite/silicon tandem solar cells (TSCs) while maintaining long-term stability. This additive approach provides a fresh perspective in wide-bandgap PSCs and further pushes the development of perovskite/silicon TSCs.
Source: openalex_inverted_index · Quality: baseline

Research context

Electronic materials

OpenAlex topics: Perovskite Materials and Applications · Conducting polymers and applications · Chalcogenide Semiconductor Thin Films

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

Affiliations

Institute of Photoelectronic Thin Film Devices and Technology, Renewable Energy Conversion and Storage Center, State Key Laboratory of Photovoltaic Materials and Cells

Nankai University

Tianjin Key Laboratory of Efficient Utilization of Solar Energy

Haihe Laboratory of Sustainable Chemical Transformations

Engineering Research Center of Thin Film Photoelectronic Technology of Ministry of Education

Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)

State Key Laboratory of Superhard Materials, Key Laboratory of Automobile Materials of MOE, College of Materials Science and Engineering

Jilin University

Funding

National Key Research and Development Program of China · Tianjin Municipal Science and Technology Bureau · National Natural Science Foundation of China · Higher Education Discipline Innovation Project · National Science Foundation · Fundamental Research Funds for the Central Universities, Nankai University · Haihe Laboratory of Sustainable Chemical Transformations · Yunnan Provincial Science and Technology Project at Southwest United Graduate School

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