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2002•Advanced Functional MaterialsRequires access

Chemical Solution Deposition of Silver Halide Films

Gary Hodes, Gion Calzaferri

Open publisher page 13 citations

Abstract

Chemical solution deposition of semiconductor films has been confined almost entirely to chalcogenides. Here, we extend this technique to halide films. Silver halides (AgI, AgBr, and AgCl) were deposited using in-situ homogeneous hydrolysis of organic haloalcohols to form halide ions that react with silver ions in aqueous solution. Also, a rapid precipitation method is described that gives AgCl films. Structural (XRD), morphological (TEM), and optical (transmission spectra) characterizations of the films are presented. Some preliminary results and ideas on other halide films are presented.

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Chemical solution deposition of semiconductor films has been confined almost entirely to chalcogenides. Here, we extend this technique to halide films. Silver halides (AgI, AgBr, and AgCl) were deposited using in-situ homogeneous hydrolysis of organic haloalcohols to form halide ions that react with silver ions in aqueous solution. Also, a rapid precipitation method is described that gives AgCl films. Structural (XRD), morphological (TEM), and optical (transmission spectra) characterizations of the films are presented. Some preliminary results and ideas on other halide films are presented.

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Available abstract

Chemical solution deposition of semiconductor films has been confined almost entirely to chalcogenides. Here, we extend this technique to halide films. Silver halides (AgI, AgBr, and AgCl) were deposited using in-situ homogeneous hydrolysis of organic haloalcohols to form halide ions that react with silver ions in aqueous solution. Also, a rapid precipitation method is described that gives AgCl films. Structural (XRD), morphological (TEM), and optical (transmission spectra) characterizations of the films are presented. Some preliminary results and ideas on other halide films are presented.

Key concepts: Halide, Silver halide, Materials science, Aqueous solution, Deposition (geology), Precipitation, Inorganic chemistry, Ion

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