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Review of current progress in hole-transporting materials for perovskite solar cells

Prerna Mahajan, Bhavya Padha, Sonali Verma, Vinay Gupta, Ram Datt, Wing Chung Tsoi Orcid Logo, Soumitra Satapathi, Sandeep Arya Orcid Logo

Journal of Energy Chemistry, Volume: 68, Pages: 330 - 386

Swansea University Authors: Ram Datt, Wing Chung Tsoi Orcid Logo

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Abstract

Recent advancements in perovskites' application as a solar energy harvester have been astonishing. The power conversion efficiency (PCE) of perovskite solar cells (PSCs) is currently reaching parity (>25 percent), an accomplishment attained over past decades. PSCs are seen as perovskites san...

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Published in: Journal of Energy Chemistry
ISSN: 2095-4956
Published: Elsevier BV 2022
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa59431
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Abstract: Recent advancements in perovskites' application as a solar energy harvester have been astonishing. The power conversion efficiency (PCE) of perovskite solar cells (PSCs) is currently reaching parity (>25 percent), an accomplishment attained over past decades. PSCs are seen as perovskites sandwiched between an electron transporting material (ETM) and a hole transporting material (HTM). As a primary component of PSCs, HTM has been shown to have a considerable effect on solar energy harvesting, carrier extraction and transport, crystallization of perovskite, stability, and price. In PSCs, it is still necessary to use a HTM. While perovskites are capable of conducting holes, they are present in trace amounts, necessitating the use of an HTM layer for efficient charge extraction. In this review, we provide an understanding of the significant forms of HTM accessible (inorganic, polymeric and small molecule-based HTMs), to motivate further research and development of such materials. The identification of additional criteria suggests a significant challenge to high stability and affordability in PSC.
Keywords: Hole transporting material, perovskite solar cells, power conversion efficiency, stability
College: Faculty of Science and Engineering
Start Page: 330
End Page: 386