Study of Inorganic CsPbI2Br Perovskite Solar Cell Using Hot-air Process

RINA Kim; Dong-Gun Lee; Dong-Won Kang; Eundo Kim; Jeha Kim

doi:10.21218/CPR.2022.10.4.101

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2022 Vol.10, Issue 4 Preview Page Next Page

Study of Inorganic CsPbI₂Br Perovskite Solar Cell Using Hot-air Process Hot-air 공정을 이용한 무기 CsPbI₂Br 페로브스카이트 태양전지 제작 연구

31 December 2022. pp. 101-106

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Abstract

We prepared a CsPbI₂Br solution using Cesium iodide (CsI), Lead (II) bromide (PbBr₂) and Lead (II) iodide (PbI₂) materials into a polar solvent mixture of N,N-dimethylformamide (DMF) and Dimethyl sulfoxide (DMSO). A simple spin coating technique was used for the fabrication of CsPbI₂Br absorber layer in the solution process. In order to prepare uniform coating of absorber film we adopted a hot-air process in assocation with the spin coating. It was confirmed that the thin film manufactured by the hot-air process had a higher absorption rate than that without it, and the optical band gap was measured 1.93 eV. The thin film of absorber was uniformly prepared and revealed the Black α-Cubic crystal phase as proved through X-ray diffraction analysis. Finally, a perovskite solar cell having an n-i-p structure was manufactured with a CsPbI₂Br perovskite absorption layer. From the solar cell, we obtained a power conversion efficiency (PCE) of 5.97% in a forward measurement.

Keywords

Perovskite

CsPbI₂Br

Spin coating

Hot-air process

Power conversion efficiency (PCE)

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Information

Publisher :Korea Photovoltaic Society
Publisher(Ko) :한국태양광발전학회
Journal Title :Current Photovoltaic Research
Volume : 10
No :4
Pages :101-106
Received Date : 2022-10-24
Revised Date : 2022-11-29
Accepted Date : 2022-11-30
DOI :https://doi.org/10.21218/CPR.2022.10.4.101

Current Photovoltaic Research ISSN:2288-3274(Print) 2508-125X(Online)

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