Structural, optical and electrical properties of copper antimony sulfide thin films grown by a citrate-assisted single chemical bath deposition

Structural, optical and electrical properties of copper antimony sulfide thin films grown by a... Article history: Copper antimony sulfide (CAS) has been proposed as low toxicity and earth abundant absorber mate- Received 26 April 2017 rials for thin film photovoltaics due to their suitable optical band gap, high absorption coefficient and Received in revised form 28 July 2017 p-type electrical conductivity. The present work reports the formation of copper antimony sulfide by Accepted 3 August 2017 chemical bath deposition using sodium citrate as a complexing agent. We show that by tuning the Available online 25 August 2017 annealing condition, one can obtain either chalcostibite or tetrahedrite phase. However, the main chal- lenge was co-deposition of copper and antimony as ternary sulfides from a single chemical bath due to Keywords: the distinct chemical behavior of these metals. The as-deposited films were subjected to several trials Copper antimony sulfide thin films of thermal treatment using different temperatures and time to find the optimized annealing condition. Chemical bath deposition The films were characterized by different techniques including Raman spectroscopy, X-ray diffraction Complexing agent (XRD), profilometer, scanning electron microscopy (SEM), UV–vis spectrophotometer, and Hall Effect Reaction mechanism Optical and electrical properties measurements. The results show that the formation of chalcostibite and tetrahedrite phases is highly sensitive to http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Surface Science Elsevier

Structural, optical and electrical properties of copper antimony sulfide thin films grown by a citrate-assisted single chemical bath deposition

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier B.V.
ISSN
0169-4332
eISSN
1873-5584
D.O.I.
10.1016/j.apsusc.2017.08.027
Publisher site
See Article on Publisher Site

Abstract

Article history: Copper antimony sulfide (CAS) has been proposed as low toxicity and earth abundant absorber mate- Received 26 April 2017 rials for thin film photovoltaics due to their suitable optical band gap, high absorption coefficient and Received in revised form 28 July 2017 p-type electrical conductivity. The present work reports the formation of copper antimony sulfide by Accepted 3 August 2017 chemical bath deposition using sodium citrate as a complexing agent. We show that by tuning the Available online 25 August 2017 annealing condition, one can obtain either chalcostibite or tetrahedrite phase. However, the main chal- lenge was co-deposition of copper and antimony as ternary sulfides from a single chemical bath due to Keywords: the distinct chemical behavior of these metals. The as-deposited films were subjected to several trials Copper antimony sulfide thin films of thermal treatment using different temperatures and time to find the optimized annealing condition. Chemical bath deposition The films were characterized by different techniques including Raman spectroscopy, X-ray diffraction Complexing agent (XRD), profilometer, scanning electron microscopy (SEM), UV–vis spectrophotometer, and Hall Effect Reaction mechanism Optical and electrical properties measurements. The results show that the formation of chalcostibite and tetrahedrite phases is highly sensitive to

Journal

Applied Surface ScienceElsevier

Published: Jan 1, 2018

References

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