MATERIALS AND SUSTAINABLE DEVELOPMENT: ADVANCED MATERIALS FOR CLEAN ENERGY UTILIZATION |
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The Evolvement of Hole-transporting Materials in Highly Efficient Perovskite Solar Cells |
ZOU Jinlong1, LUO Yufeng1,2, XIAO Zonghu3,4, HU Yu3, RAO Senlin3, LIU Shaohuan3
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1 School of Mechanical and Electronic Engineering, Nanchang University, Nanchang 330031; 2 School of Mechatronics& Vehicle Engineering, East China Jiaotong University, Nanchang 330031; 3 School of New Energy Science and Engineering, Xinyu College, Xinyu 338004; 4 New Energy Research Institute of Xinyu, Xinyu 338004 |
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Abstract The perovskite solar cells (PSCs) have acquired a pronounced power conversion efficiency (PCE) improvement from 3.8% in 2009 to 22.7% in 2017, which may lead to a revolutionary new age for photovoltaic industry. Hole-transporting mate-rial (HTM) is a crucial part of highly efficient PSC, and the development and design of highly conductive, low-cost and highly-stable hole-transporting materials are of remarkable significance for the PSC R&D. This paper provides an elaborate delineation of the HTM that have emerged in recent years and applied to relatively high-efficiency PSCs, by classifying HTM into small molecule organic compounds, organic polymers and inorganic compounds, and also offers an introduction on the research evolution of hole-conductor-free PSCs, with emphases on the photovoltaic performances and stability of PSCs based on various HMT or without HMT. Finally, the future research trends are presented.
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Published: 09 August 2018
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