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Perovskites fabricated on textured silicon surfaces for tandem solar cells

Authors :
Solhee Lee
Martin C. Schubert
Hae-Seok Lee
Jeewoong Yang
Seongtak Kim
Sung Bin Choi
Sang Won Lee
Won Mok Kim
Se Jin Park
Soohyun Bae
Sujeong Jeong
Dongjin Choi
Kyung-Jin Cho
Friedemann D. Heinz
Jae Keun Hwang
Yoonmook Kang
Dongkyun Kang
Stefan W. Glunz
Won-Kyu Lee
Donghwan Kim
Ji Yeon Hyun
Publica
Source :
Communications Chemistry, Vol 3, Iss 1, Pp 1-11 (2020)
Publication Year :
2020
Publisher :
Nature Publishing Group, 2020.

Abstract

The silicon surface texture significantly affects the current density and efficiency of perovskite/silicon tandem solar cells. However, only a few studies have explored fabricating perovskite on textured silicon and the effect of texture on perovskite films because of the limitations of solution processes. Here we produce conformal perovskite on textured silicon with a dry two-step conversion process that incorporates lead oxide sputtering and direct contact with methyl ammonium iodide. To separately analyze the influence of each texture structure on perovskite films, patterned texture, high-resolution photoluminescence (μ-PL), and light beam-induced current (μ-LBIC), 3D mapping is used. This work elucidates conformal perovskite on textured surfaces and shows the effects of textured silicon on the perovskite layers with high-resolution 3D mapping. This approach can potentially be applied to any type of layer on any type of substrate. The efficiency of perovskite/silicon tandem solar cells is affected by silicon surface texture, however fabrication processes in solution limit surface studies. Here a perovskite layer on textured silicon is formed through a dry two-step conversion process with lead oxide sputtering and direct contact with methyl ammonium iodide.

Details

Language :
English
ISSN :
23993669
Volume :
3
Issue :
1
Database :
OpenAIRE
Journal :
Communications Chemistry
Accession number :
edsair.doi.dedup.....2a3b4c69a786756b593f93319942605f