Crosslinked Remote-Doped Hole-Extracting Contacts Enhance Stability under Accelerated Lifetime Testing in Perovskite Solar Cells

Jixian Xu, Oleksandr Voznyy, Riccardo Comin, Xiwen Gong, Grant Walters, Min Liu, Pongsakorn Kanjanaboos, Xinzheng Lan, Edward H. Sargent

Research output: Contribution to journalArticlepeer-review

104 Scopus citations

Abstract

A crosslinked hole-extracting electrical contact is reported, which simultaneously improves the stability and lowers the hysteresis of perovskite solar cells. Polymerizable monomers and crosslinking processes are developed to obviate in situ degradation of the under lying perovskite. The crosslinked material is band-aligned with perovskite. The required free carrier density is induced by a high-work-function metal oxide layer atop the device, following a remote-doping strategy.
Original languageEnglish (US)
Pages (from-to)2807-2815
Number of pages9
JournalADVANCED MATERIALS
Volume28
Issue number14
DOIs
StatePublished - Jan 29 2016
Externally publishedYes

Bibliographical note

KAUST Repository Item: Exported on 2022-05-31
Acknowledged KAUST grant number(s): KUS-11-009-21
Acknowledgements: This publication is based in part on work supported by Award KUS-11-009-21, made by King Abdullah University of Science and Technology (KAUST), by the Ontario Research Fund - Research Excellence Program, and by the Natural Sciences and Engineering Research Council (NSERC) of Canada. The authors thank R. Wolowiec and D. Kopilovic for their technical support. The authors thank Dr. Yongbiao Zhao and Yiying Li's help on UPS measurements.
This publication acknowledges KAUST support, but has no KAUST affiliated authors.

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