Issue 11, 2016

Recent progress in electron transport layers for efficient perovskite solar cells

Abstract

Thin-film photovoltaics based on organic–inorganic hybrid perovskite light absorbers have recently emerged as a promising low-cost solar energy harvesting technology. Over the past several years, we have witnessed a great and unexpected progress in organic–inorganic perovskite solar cells (PSCs). The power conversion efficiency (PCE) increased from 3.8% to 20.1% and exceeded the highest efficiency of conventional dye-sensitized solar cells. Here, the focus is specifically on the recent developments of the electron transport layer (ETL) in PSCs, which is an important part for high performing PSCs. This review briefly discusses the development of the structure of PSCs, and we attempt to give a systematic introduction about the optimization of ETL and its related interfaces for efficient PSCs. Moreover, the introduction of appropriate interfacial materials is another important issue to improve PSC performance by optimizing the interfacial electronic properties between the perovskite layer and the charge-collecting electrode. Besides, some related issues such as device stability and hysteresis behavior are also discussed here.

Graphical abstract: Recent progress in electron transport layers for efficient perovskite solar cells

Article information

Article type
Review Article
Submitted
07 nov. 2015
Accepted
26 janv. 2016
First published
29 janv. 2016

J. Mater. Chem. A, 2016,4, 3970-3990

Recent progress in electron transport layers for efficient perovskite solar cells

G. Yang, H. Tao, P. Qin, W. Ke and G. Fang, J. Mater. Chem. A, 2016, 4, 3970 DOI: 10.1039/C5TA09011C

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