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Efficient Photodecomposition of NOx on Carbon Modified Ag/TiO2 Nanocomposites

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Abstract

A serial of carbon modified Ag/TiO2 photocatalysts have been synthesized with different carbon content by a simple co-impregnation method. Here, 1-pentanol was used as carbon precursor. The carbon modified Ag/TiO2 nanocomposites were characterized by X-ray diffraction, raman spectroscopy, thermal gravity analysis, UV–vis diffuse reflectance spectra, photoluminescence, and X-ray photoelectron spectroscopy. The photocatalytic removal of nitrogen oxides was carried out under both UV light and visible light irradiation. Our results revealed that carbon and silver species showed strong synergistic effect which significantly enhance the photocatalytic NOx removal on TiO2 photocatalyst under visible light irradiation.

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Funding

Funding was provided by National Science Council (Grant No. MOST 106-2221-E-011 -005 -MY3).

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Authors and Affiliations

  1. Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei, 10607, Taiwan

    Ling-Chieh Li & Yao-Hsuan Tseng

  2. Department of Materials Science and Engineering, National Dong Hwa University, Hualien, 97401, Taiwan

    Hsin-yu Lin

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  1. Ling-Chieh Li
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Correspondence to Yao-Hsuan Tseng.

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Li, LC., Tseng, YH. & Lin, Hy. Efficient Photodecomposition of NOx on Carbon Modified Ag/TiO2 Nanocomposites. Top Catal 63, 1251–1260 (2020). https://doi.org/10.1007/s11244-020-01255-6

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