A selective etching phenomenon on {001} faceted anatase titanium dioxide single crystal surfaces by hydrofluoric acid |
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| Authors: | Wang Yun Zhang Haimin Han Yanhe Liu Porun Yao Xiangdong Zhao Huijun |
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| Institution: | Centre for Clean Environment and Energy, and Griffith School of Environment, Gold Coast Campus, Griffith University, QLD 4222, Australia. |
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| Abstract: | A selective etching phenomenon on {001} faceted anatase TiO(2) single crystal surfaces by HF and associated etching mechanism are reported. Density functional theory (DFT) calculations reveal that HF stabilizes the grown {001} facets at low concentrations, but selectively destroys the grown {001} facets at high concentrations. |
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