Wide-bandgap perovskites for multijunction solar cells: improvement of crystalline quality of Cs0.1FA0.9PbI1.4Br1.6 by using lead thiocyanate

Author:

Nguyen Thuy Thi12,Kim Jihyun3ORCID,Kim Yeon Soo1,Nguyen Bich Phuong1,Jo William13ORCID

Affiliation:

1. New and Renewable Energy Research Center, Ewha Womans University, Seoul, 03760, South Korea

2. Institute of Materials Science, Vietnam Academy of Science and Technology, Hanoi 100000, Vietnam

3. Department of Physics, Ewha Womans University, Seoul 03760, South Korea

Abstract

High quality wide bandgap perovskite acting as top cells in multijunction solar cells were developed by adding Pb(SCN)2 to precursor solutions. The number of grain boundaries was reduced and passivated leading to an increase in carrier extraction.

Funder

Ministry of Education

Ministry of Science, ICT and Future Planning

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,General Chemistry

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