Efficient Planar Perovskite Solar Cells Using Passivated Tin Oxide as an Electron Transport Layer

被引：134

作者：

Lee, Yonghui ^{[1
]}

Lee, Seunghwan ^{[2
]}

Seo, Gabseok ^{[1
]}

Paek, Sanghyun ^{[1
]}

Cho, Kyung Taek ^{[1
]}

Huckaba, Aron J. ^{[1
]}

Calizzi, Marco ^{[3
]}

Choi, Dong-won ^{[2
]}

Park, Jin-Seong ^{[2
]}

Lee, Dongwook ^{[4
]}

Lee, Hyo Joong ^{[1
,5
]}

Asiri, Abdullah M. ^{[6
]}

Nazeeruddin, Mohammad Khaja ^{[1
]}

机构：

[1] Ecole Polytech Fed Lausanne, Grp Mol Engn Funct Mat, CH-1951 Sion, Switzerland

[2] Hanyang Univ, Div Mat Sci & Engn, 222 Wangsimni Ro, Seoul 133791, South Korea

[3] Ecole Polytech Fed Lausanne, Lab Mat Renewable Energy, CH-1951 Sion, Switzerland

[4] Nanyang Technol Univ, Sch Phys & Math Sci, Div Phys & Appl Phys, Singapore 637371, Singapore

[5] Chonbuk Natl Univ, Dept Chem & Bioact Mat Sci, Jeonju 561756, South Korea

[6] King Abdulaziz Univ, CEAMR, POB 80203, Jeddah 21589, Saudi Arabia

来源：

ADVANCED SCIENCE | 2018年 / 5卷 / 06期

基金：

新加坡国家研究基金会;

关键词：

atomic layer deposition; passivation; perovskites; planar perovskite solar cells; SnO2 electron transporting layers; DEPOSITION; SNO2; DYNAMICS;

D O I：

10.1002/advs.201800130

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Planar perovskite solar cells using low-temperature atomic layer deposition (ALD) of the SnO2 electron transporting layer (ETL), with excellent electron extraction and hole-blocking ability, offer significant advantages compared with high-temperature deposition methods. The optical, chemical, and electrical properties of the ALD SnO2 layer and its influence on the device performance are investigated. It is found that surface passivation of SnO2 is essential to reduce charge recombination at the perovskite and ETL interface and show that the fabricated planar perovskite solar cells exhibit high reproducibility, stability, and power conversion efficiency of 20%.

引用

页数：6

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