Proceedings of the 2nd International Conference on Electronic & Mechanical Engineering and Information Technology (EMEIT 2012)

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Influence of Laser Incident Energy on Chemical Composition, Crystal Structure, Morphology and Band Gap of Cu2ZnSnS4 Thin Films by Pulsed Laser Deposition

Authors
Yanan Wen, Lin Li, Yan Dong, Min Yao, Qi Liang
Corresponding Author
Yanan Wen
Available Online September 2012.
DOI
10.2991/emeit.2012.237How to use a DOI?
Keywords
Cu2ZnSnS4, thin film, pulsed laser deposition, laser incident energy
Abstract

The Cu2ZnSnS4 (CZTS) thin films were successfully prepared on glass substrate by pulsed laser deposition (PLD) using CZTS target. The laser incident energy was varied from 3 J•cm-2 to 6 J•cm-2 at the interval of 1 J•cm-2, and its influence on chemical composition, crystal structure, morphology and band gap of CZTS thin films was investigated by energy dispersive X-ray spectroscopy (EDS), X-ray diffraction (XRD), atomic force microscopy (AFM) and ultraviolet-visible-near infrared (UV-Vis-NIR) absorption spectra, respectively. The result of EDS indicated that these CZTS thin films were Cu-rich and S-poor. The XRD study showed CZTS thin films exhibited strong preferential orientation of grains along [112] direction. The band gap of CZTS thin films was 1.72, 1.37, 1.25 and 1.11 eV corresponding to incident laser energy of 3, 4, 5 and 6 J•cm-2.

Copyright
© 2012, the Authors. Published by Atlantis Press.
Open Access
This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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Volume Title
Proceedings of the 2nd International Conference on Electronic & Mechanical Engineering and Information Technology (EMEIT 2012)
Series
Advances in Intelligent Systems Research
Publication Date
September 2012
ISBN
10.2991/emeit.2012.237
ISSN
1951-6851
DOI
10.2991/emeit.2012.237How to use a DOI?
Copyright
© 2012, the Authors. Published by Atlantis Press.
Open Access
This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

Cite this article

risenwbib
TY  - CONF
AU  - Yanan Wen
AU  - Lin Li
AU  - Yan Dong
AU  - Min Yao
AU  - Qi Liang
PY  - 2012/09
DA  - 2012/09
TI  - Influence of Laser Incident Energy on Chemical Composition, Crystal Structure, Morphology and Band Gap of Cu2ZnSnS4 Thin Films by Pulsed Laser Deposition
BT  - Proceedings of the 2nd International Conference on Electronic & Mechanical Engineering and Information Technology (EMEIT 2012)
PB  - Atlantis Press
SP  - 1088
EP  - 1091
SN  - 1951-6851
UR  - https://doi.org/10.2991/emeit.2012.237
DO  - 10.2991/emeit.2012.237
ID  - Wen2012/09
ER  -