Post deposition annealing on Cu2ZnSnS4 solar cells and the effect of Cu-Zn disorder at high temperatures

Mungunshagai Gansukh, Simón López Mariño, Moises Espindola Rodriguez, Filipe Mesquita Alves Martinho, Sara Lena Josefin Engberg, N.C. Schjødt, Eugen Stamate, Ole Hansen, Nini Pryds, Jørgen Schou, Stela Canulescu

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Abstract

Post deposition annealing is a frequently used approach in CZTS(Se) research community to boost the efficiency of the cells. In this study, we investigate the influence of post deposition annealing in air on CZTS devices performance, produced by pulsed laser deposition. There are competing beneficial and detrimental effects depending on the temperature. We suggest that Cu-Zn ordering at 150°C and diffusion of Cd into CZTS from 250°C to higher temperature could be the main beneficial effects that increase the efficiency. A record efficiency for pulsed laser deposition of 5.4% was obtained at 150°C and 15 min post deposition annealing.
Original languageEnglish
Title of host publicationProceedings of 46th IEEE Photovoltaic Specialists Conference
Number of pages3
PublisherIEEE
Publication date2020
Publication statusPublished - 2020
Event2019 IEEE 46th Photovoltaic Specialists Conference - Chicago, United States
Duration: 16 Jun 201921 Jun 2019
Conference number: 46
https://ieeexplore.ieee.org/xpl/conhome/8963747/proceeding

Conference

Conference2019 IEEE 46th Photovoltaic Specialists Conference
Number46
Country/TerritoryUnited States
CityChicago
Period16/06/201921/06/2019
Internet address

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