Ultra-high open-circuit voltage of tin perovskite solar cells via an electron transporting layer design.

Nature Communications
Xianyuan JiangZhijun Ning

Abstract

Tin perovskite is rising as a promising candidate to address the toxicity and theoretical efficiency limitation of lead perovskite. However, the voltage and efficiency of tin perovskite solar cells are much lower than lead counterparts. Herein, indene-C60 bisadduct with higher energy level is utilized as an electron transporting material for tin perovskite solar cells. It suppresses carrier concentration increase caused by remote doping, which significantly reduces interface carriers recombination. Moreover, indene-C60 bisadduct increases the maximum attainable photovoltage of the device. As a result, the use of indene-C60 bisadduct brings unprecedentedly high voltage of 0.94 V, which is over 50% higher than that of 0.6 V for device based on [6,6]-phenyl-C61-butyric acid methyl ester. The device shows a record power conversion efficiency of 12.4% reproduced in an accredited independent photovoltaic testing lab.

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Citations

Jun 26, 2020·Advanced Materials·Chengbo WangChunhui Huang
Jun 24, 2020·Reports on Progress in Physics·Chintam HanmandluChih-Wei Chu
Jun 17, 2020·Chemical Society Reviews·Cheng-Hsin LuZhiqun Lin
Nov 12, 2020·Physical Chemistry Chemical Physics : PCCP·Taketo HandaYoshihiko Kanemitsu
Dec 2, 2020·Nanotechnology·Yi-Teng HuangRobert L Z Hoye
Feb 23, 2021·ACS Energy Letters·Isabella PoliAnnamaria Petrozza
Mar 12, 2021·Journal of the American Chemical Society·Tao YeShashank Priya
Jun 8, 2021·Chemical Science·Diego Di GirolamoAntonio Abate
Jun 18, 2021·Nano-micro Letters·Minghao WangWei Huang
Jul 8, 2021·Nano-micro Letters·Tianhao WuLiyuan Han
Jul 2, 2021·Journal of the American Chemical Society·Xianyuan JiangZhijun Ning
Jul 26, 2021·Journal of Colloid and Interface Science·Caiyun LiuTingli Ma
Jul 15, 2021·Nature Communications·Dexin YangDawei Di
Aug 19, 2021·ACS Applied Materials & Interfaces·Fangjie LiQidong Tai
Aug 14, 2020·Chemical Reviews·Jin Young KimNam-Gyu Park
Aug 14, 2020·The Journal of Physical Chemistry Letters·Yanfeng YinShengye Jin
Sep 2, 2021·Journal of the American Chemical Society·Baoning WangXiao-Feng Wang
Oct 8, 2021·Nature Communications·Bo ChenJinsong Huang
Oct 12, 2021·The Journal of Physical Chemistry Letters·Efat JokarEric Wei-Guang Diau
Oct 10, 2021·Advanced Materials·Matteo PitaroMaria Antonietta Loi

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Methods Mentioned

BETA
X-ray
AFM
atomic force microscopy
IEC

Software Mentioned

Vigor
SIMIT
GIXGUI Matlab
Vienna Ab - initio Simulation Package
GIWAXS
Thermo Avantage

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