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Influence of tartaric acid as the complexing agent on the properties of chemical bath deposited FeSxOy thin films

Hidzir, A. H. and Haladin, Nur'ain Balqis and Mohd. Yusop, Mohd. Zamri and Ibrahim, Noor Baa Yah and Supee, Aizuddin (2019) Influence of tartaric acid as the complexing agent on the properties of chemical bath deposited FeSxOy thin films. In: 2019 Sustainable and Integrated Engineering International Conference, SIE 2019, 9 December 2019 - 10 December 2019, Putrajaya, Malaysia.

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Official URL: http://dx.doi.org/10.1016/j.matpr.2020.04.173

Abstract

FeSxOy thin films were deposited on fluorine-tin-oxide (FTO)-coated glass substrate at 75 °C and 3 h deposition time via chemical bath deposition (CBD) from solution containing 100 mM Na2S2O3 and 30 mM FeSO4. The effects of L(+)-tartaric acid (C4H6O6) as the complexing agent under different concentration were studied. All the films were crystalline and exhibited n-type photoresponse. The films deposited with complexing agent generally possess less iron and larger oxygen and sulfur contents than those deposited without the agent. The tartaric acid seems capable to reduce or control the thickness, enhance the uniformity, delayed the hematite formation and results in clearer absorption edge. Larger crystallite size and larger optical transmittance were observed for the film deposited with 50 mM tartaric acid. The influence of tartaric acid in FeSxOy thin films can be explained by considering suppression of elemental Fe deposition and enhancement of sulfur reduction.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:chemical bath deposition, complexing agent
Subjects:T Technology > TP Chemical technology
Divisions:Chemical and Energy Engineering
ID Code:90718
Deposited By: Yanti Mohd Shah
Deposited On:30 Apr 2021 14:55
Last Modified:30 Apr 2021 14:55

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