Adsorption and photochemistry of CH3CN and CH3CONH2 on powdered TiO2

Literature Information

Publication Date 2000-08-01
DOI 10.1039/B003227L
Impact Factor 3.676
Authors

Chih-Chung Chuang, Wen-Chun Wu, Ming-Xi Lee, Jong-Liang Lin


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Abstract

The adsorption and photochemistry of acetonitrile and acetamide on TiO2 have been studied by Fourier-transform infrared spectroscopy (FTIR). Adsorbed CH3CN, CH3CONH2, η2(N,O)-CH3CONH are formed after CH3CN adsorption on TiO2. The last two species are due to surface hydroxy groups attacking the electron-deficient carbon in the cyano group of the adsorbed acetonitrile. UV exposure causes decomposition of CH3CN(a) to CH2CN(a) and decomposition of CH3CONH2(a) and η2(N,O)-CH3CONH(a) to CH3COO(a), HCOO(a), NCO(a) and CN-containing species on the surface.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
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Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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