Cu 2 ZnSnS 4 Thin Film Fabricated by the Calcinated Nanocrystals

In the present work, Cu 2 ZnSnS 4 (CZTS) thin film is successfully prepared by the calcinated nanocrystals with screen‐printing approach. The dependences of the obtained samples’ properties on the annealing parameters of temperature and time are well studied via X‐ray diffraction, Raman, field emiss...

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Bibliographic Details
Published in:Crystal research and technology (1979) 2020-10, Vol.55 (10)
Main Authors: Chen, Jin, Sun, Yu, Ju, Jiaqi, Wang, Fengchao, Jin, Yan, Zhang, Canyun, Kong, Jinfang, Peng, Xiaogai, Wang, Chenfei, Dong, Hengxing, Chen, Qinmiao, Dou, Xiaoming
Format: Article
Language:English
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Summary:In the present work, Cu 2 ZnSnS 4 (CZTS) thin film is successfully prepared by the calcinated nanocrystals with screen‐printing approach. The dependences of the obtained samples’ properties on the annealing parameters of temperature and time are well studied via X‐ray diffraction, Raman, field emission scanning electron microscopy, ultraviolet‐visible‐infrared (UV‐vis‐IR) spectroscopy, energy‐dispersive X‐ray spectroscopy, and X‐ray photoelectron spectroscopy treatments. The results suggested that the best performances of prepared sample can be obtained at 600 °C for 20 min. The obtained sample features a kesterite CZTS phase, a surface morphology consisting of microns nanoparticles, a Cu‐rich and Zn‐rich chemical composition, and an ideal band gap of 1.4 eV. Additionally, the impurity phase of copper sulfide resulting from Cu‐rich composition is needed to further improve in the next work.
ISSN:0232-1300
1521-4079
DOI:10.1002/crat.202000081