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Energies 2016, 9(11), 861; doi:10.3390/en9110861

Perovskite Solar Cells: Progress and Advancements

School of Photovoltaic and Renewable Energy Engineering, University of New South Wales, Sydney 2052, Australia
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Academic Editor: Jean-Michel Nunzi
Received: 26 August 2016 / Revised: 27 September 2016 / Accepted: 19 October 2016 / Published: 25 October 2016
(This article belongs to the Special Issue Selected Papers from 2nd Energy Future Conference)
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Abstract

Organic–inorganic hybrid perovskite solar cells (PSCs) have emerged as a new class of optoelectronic semiconductors that revolutionized the photovoltaic research in the recent years. The perovskite solar cells present numerous advantages include unique electronic structure, bandgap tunability, superior charge transport properties, facile processing, and low cost. Perovskite solar cells have demonstrated unprecedented progress in efficiency and its architecture evolved over the period of the last 5–6 years, achieving a high power conversion efficiency of about 22% in 2016, serving as a promising candidate with the potential to replace the existing commercial PV technologies. This review discusses the progress of perovskite solar cells focusing on aspects such as superior electronic properties and unique features of halide perovskite materials compared to that of conventional light absorbing semiconductors. The review also presents a brief overview of device architectures, fabrication methods, and interface engineering of perovskite solar cells. The last part of the review elaborates on the major challenges such as hysteresis and stability issues in perovskite solar cells that serve as a bottleneck for successful commercialization of this promising PV technology. View Full-Text
Keywords: Perovskite photovoltaics; electronic structure; crystal structure; stability; hysteresis; interface engineering Perovskite photovoltaics; electronic structure; crystal structure; stability; hysteresis; interface engineering
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Elumalai, N.K.; Mahmud, M.A.; Wang, D.; Uddin, A. Perovskite Solar Cells: Progress and Advancements. Energies 2016, 9, 861.

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