ZnO-PCBM bilayers as electron transport layers in low-temperature processed perovskite solar cells

被引：42

作者：

Zhang, Jiaqi ^{[1
,2
]}

Tan, Ching Hong ^{[2
,3
]}

Du, Tian ^{[1
,2
]}

Morbidoni, Maurizio ^{[1
,2
]}

Lin, Chieh-Ting ^{[1
,2
]}

Xu, Shengda ^{[1
,2
]}

Durrant, James R. ^{[2
,3
]}

McLachlan, Martyn A. ^{[1
,2
]}

机构：

[1] Imperial Coll London, Dept Mat, London SW7 2AZ, England

[2] Imperial Coll London, Ctr Plast Elect, London SW7 2AZ, England

[3] Imperial Coll London, Dept Chem, London SW7 2AZ, England

来源：

SCIENCE BULLETIN | 2018年 / 63卷 / 06期

基金：

英国工程与自然科学研究理事会;

关键词：

Hybrid perovskite; Solar cell; Electron transport layer; Metal oxide; EFFICIENT; FILMS; PERFORMANCE; TRIHALIDE;

D O I：

10.1016/j.scib.2018.02.004

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

We investigate an electron transport bilayer fabricated at < 110 degrees C to form all low-temperature processed, thermally stable, efficient perovskite solar cells with negligible hysteresis. The components of the bilayer create a symbiosis that results in improved devices compared with either of the components being used in isolation. A sol-gel derived ZnO layer facilitates improved energy level alignment and enhanced charge Kcarrier extraction and a [6,6]-phenyl-C-61-butyric acid methyl ester (PCBM) layer to reduce hysteresis and enhance perovskite thermal stability. The creation of a bilayer structure allows materials that are inherently unsuitable to be in contact with the perovskite active layer to be used in efficient devices through simple surface modification strategies. (C) 2018 Science China Press. Published by Elsevier B.V. and Science China Press. All rights reserved.

引用

页码：343 / 348

页数：6

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