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2004•Journal of Xi'an University of TechnologyRequires access

An Analysis of Mechanism of SnS Thin Film Deposited by Chemical Bath

Chunrui Zheng

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Abstract

This paper studies the deposition mechanism of SnS thin film by chemical bath using triethanolamine(TEA),thioacetamide,SnCl_2·2H_2O,ammonia(aqeous) as reactants and using NH_4Cl(aqeous) as buffer aqeous.The influence of the complexing agent and NH_4Cl on the chemical reaction was analyzed.The results indicate that the thioacetamide and the SnCl_2·2H_2O were the reaction source of Sn~(2+)and S~(2-)that can be used to form SnS thin films,and that the TEA as a complexing agent was able to maintain Sn~(2+)concentration in solution. Adding the NH_4Cl can make the PH value of the solution change smoothly in reaction, which was favorable for the formation of high quality SnS thin films.

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What this paper is about

This paper studies the deposition mechanism of SnS thin film by chemical bath using triethanolamine(TEA),thioacetamide,SnCl_2·2H_2O,ammonia(aqeous) as reactants and using NH_4Cl(aqeous) as buffer aqeous.The influence of the complexing agent and NH_4Cl on the chemical reaction was analyzed.The results indicate that the thioacetamide and the SnCl_2·2H_2O were the reaction source of Sn~(2+)and S~(2-)that can be used to form SnS thin films,and that the TEA as a complexing agent was able to maintain Sn~(2+)concentration in solution. Adding the NH_4Cl can make the PH value of the solution change smoothly in reaction, which was favorable for the formation of high quality SnS thin films.

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Available abstract

This paper studies the deposition mechanism of SnS thin film by chemical bath using triethanolamine(TEA),thioacetamide,SnCl_2·2H_2O,ammonia(aqeous) as reactants and using NH_4Cl(aqeous) as buffer aqeous.The influence of the complexing agent and NH_4Cl on the chemical reaction was analyzed.The results indicate that the thioacetamide and the SnCl_2·2H_2O were the reaction source of Sn~(2+)and S~(2-)that can be used to form SnS thin films,and that the TEA as a complexing agent was able to maintain Sn~(2+)concentration in solution. Adding the NH_4Cl can make the PH value of the solution change smoothly in reaction, which was favorable for the formation of high quality SnS thin films.

Key concepts: Triethanolamine, Chemical bath deposition, Thioacetamide, Thin film, Chemical reaction, Ammonia, Chemistry, Inorganic chemistry

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