首页|Curing the vulnerable heterointerface via organic-inorganic hybrid hole transporting bilayers for efficient inverted perovskite solar cells

Curing the vulnerable heterointerface via organic-inorganic hybrid hole transporting bilayers for efficient inverted perovskite solar cells

扫码查看
原文链接
  • NETL
  • NSTL
  • 万方数据
To promote the practices of perovskite photovoltaics,it requires to develop efficient perovskite solar cells(PVSCs)standing long-time operation under the adverse environments.Herein,we demonstrate that the tailor-made conjugated polymers as conductive adhesives stabilized the originally redox-reactive het-erointerface between perovskite and metal oxide,facilitating the access of efficient and stable inverted PVSCs.It was revealed that bithiophene and phenyl alternating conjugated polymers with partial glycol chains atop of the metal oxide layer has resulted in effective organic-inorganic hybrid hole transporting bilayers,which allow maintaining efficient hole extraction and transport,meanwhile preventing halide migration to directly contact with the nickel oxide(NiOx)layer.As a result,the corresponding inverted PVSCs with the organic-inorganic hole transporting bilayers have achieved an excellent power conver-sion efficiency of 23.22％,outperforming 20.65％of bare NiOx-based devices.Moreover,the encapsulated PVSCs with organic-inorganic bilayers exhibited the excellent photostability with 91％of the initial effi-ciency after 1000-h one-sun equivalent illumination in ambient conditions.Overall,this work provides new insights into stabilizing the vulnerable heterointerface for perovskite solar cells.

Perovskite solar cellsConjugated polymerHole transporting bilayerCharge extractionHeterointerface degradation

Kangrong Yan、Ziqiu Shen、Yanchun Huang、Benfang Niu、Hongzheng Chen、Chang-Zhi Li

展开 >

State Key Laboratory of Silicon and Advanced Semiconductor Materials,Department of Polymer Science and Engineering,Zhejiang University,Hangzhou 310027,China

National Natural Science Foundation of ChinaNational Key Research and Development Program of ChinaFundamental Research Funds for the Central Universities

221259012019YFA0705900226-2023-00113

2024

10.1016/j.cclet.2024.109516

中国化学快报(英文版)
中国化学会

中国化学快报(英文版)

CSTPCD
影响因子：0.771
ISSN：1001-8417
年,卷(期)：2024.35(6)
  • 3