Review Article


2022, 15(1): 85–103


Recent advances on interface engineering of perovskite solar cells

Wenjing Yu1, Xiaoran Sun1, Mu Xiao2, Tian Hou1, Xu Liu3, Bolin Zheng3, Hua Yu1, Meng Zhang1,3 (✉), Yuelong Huang1 (✉), and Xiaojing Hao3 (✉)

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1 Institute of Photovoltaics, Southwest Petroleum University, Chengdu 610500, China
2 Nanomaterials Centre, Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, Brisbane, QLD, 4072 Australia
3 The Australian Centre for Advanced Photovoltaics, School of Photovoltaic and Renewable Energy Engineering, University of New South Wales, Sydney, NSW 2052, Australia

Keywords: perovskite solar cells, interface engineering, defects passivation, band-level alignment
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  • Abstract
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Lead halide perovskite solar cells (PSCs) have been rapidly developed in the past decade. Owing to its excellent power conversion efficiency with robust and low-cost fabrication, perovskite quickly becomes one of the most promising candidates for the next-generation photovoltaic technology. With the development of PSCs, the interface engineering has witnessed its increasingly critical role in maximizing the device performance as well as the long-term stability, because the interfaces in PSCs are closely correlated with the defect management, carrier dynamics and surface passivation. This review focuses on interfacial modification between the perovskite active layer and the charge transport layer, as well as the recent advances on high-efficiency and stable PSCs driven by interface engineering strategies. The contributing roles of interface engineering in terms of defect passivation, inhibiting ion migration, optimization of energy band alignment and morphological control are discussed. Finally, based on the latest progress and advances, strategies and opportunities for the future research on interface engineering for PSCs are proposed to promote the development of perovskite photovoltaic technology.
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Recent advances on interface engineering of perovskite solar cells. Nano Res. 2022, 15(1): 85–103

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