Synthesis of a δ-SnS polymorph by electrodeposition

Jeffrey R.S. Brownson; Cécile Georges; Claude Lévy-Clément

doi:10.1021/cm061841t

Synthesis of a δ-SnS polymorph by electrodeposition

Jeffrey R.S. Brownson, Cécile Georges, Claude Lévy-Clément

John and Willie Leone Department of Energy & Mineral Engineering (EME)

Research output: Contribution to journal › Article › peer-review

42 Scopus citations

Abstract

A new SnS polymorph (δ-SnS) has been obtained by cathodic electrodeposition on SnO₂F: glass electrodes from warm (50-90°C) acidic solutions with tartaric acid. Characterizations of the as-deposited films by energy dispersive spectroscopy confirm a 1:1 Sn/S chemistry, X-ray diffraction shows that (δ-SnS has a primitive orthorhombic symmetry, and UV/vis spectroscopy shows a direct optical band gap of 1.05 eV. The structure was converted to the α-SnS phase (reduced a and c lattice constants, direct optical transition of 1.2 eV) following argon annealing above 270°C. Scanning electron microscopy images indicate pseudomorphic replacement of plate-like nanoparticles after annealing.

Original language	English (US)
Pages (from-to)	6397-6402
Number of pages	6
Journal	Chemistry of Materials
Volume	18
Issue number	26
DOIs	https://doi.org/10.1021/cm061841t
State	Published - Dec 26 2006

All Science Journal Classification (ASJC) codes

General Chemistry
General Chemical Engineering
Materials Chemistry

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abstract = "A new SnS polymorph (δ-SnS) has been obtained by cathodic electrodeposition on SnO2F: glass electrodes from warm (50-90°C) acidic solutions with tartaric acid. Characterizations of the as-deposited films by energy dispersive spectroscopy confirm a 1:1 Sn/S chemistry, X-ray diffraction shows that (δ-SnS has a primitive orthorhombic symmetry, and UV/vis spectroscopy shows a direct optical band gap of 1.05 eV. The structure was converted to the α-SnS phase (reduced a and c lattice constants, direct optical transition of 1.2 eV) following argon annealing above 270°C. Scanning electron microscopy images indicate pseudomorphic replacement of plate-like nanoparticles after annealing.",

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T1 - Synthesis of a δ-SnS polymorph by electrodeposition

AU - Brownson, Jeffrey R.S.

AU - Georges, Cécile

AU - Lévy-Clément, Claude

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Y1 - 2006/12/26

N2 - A new SnS polymorph (δ-SnS) has been obtained by cathodic electrodeposition on SnO2F: glass electrodes from warm (50-90°C) acidic solutions with tartaric acid. Characterizations of the as-deposited films by energy dispersive spectroscopy confirm a 1:1 Sn/S chemistry, X-ray diffraction shows that (δ-SnS has a primitive orthorhombic symmetry, and UV/vis spectroscopy shows a direct optical band gap of 1.05 eV. The structure was converted to the α-SnS phase (reduced a and c lattice constants, direct optical transition of 1.2 eV) following argon annealing above 270°C. Scanning electron microscopy images indicate pseudomorphic replacement of plate-like nanoparticles after annealing.

AB - A new SnS polymorph (δ-SnS) has been obtained by cathodic electrodeposition on SnO2F: glass electrodes from warm (50-90°C) acidic solutions with tartaric acid. Characterizations of the as-deposited films by energy dispersive spectroscopy confirm a 1:1 Sn/S chemistry, X-ray diffraction shows that (δ-SnS has a primitive orthorhombic symmetry, and UV/vis spectroscopy shows a direct optical band gap of 1.05 eV. The structure was converted to the α-SnS phase (reduced a and c lattice constants, direct optical transition of 1.2 eV) following argon annealing above 270°C. Scanning electron microscopy images indicate pseudomorphic replacement of plate-like nanoparticles after annealing.

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Synthesis of a δ-SnS polymorph by electrodeposition

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