Abstract
Novel titanium dioxide/graphitic carbon nitride (TiO2/g-C3N4) hybrid was prepared by a facile sol-reflux method. Then, the as-prepared TiO2/g-C3N4 hybrid was characterized by FESEM, XRD, FT-IR, XPS, and BET analysis. The results show that TiO2 is attached to the g-C3N4 thin pieces in the form of anatase. A mesoporous structure, which has a large specific surface area and is conducive to catalytic adsorption, is formed. Simultaneously, chemical bonds may be formed between the oxides and g-C3N4. Furthermore, in order to analyze its catalytic effect on the decomposition of ammonium perchlorate (AP), Differential Scanning Calorimetry (DSC) technique has been employed. The decomposition temperature of AP dropped by 26°C when 2 wt % TiO2/g-C3N4 hybrid was added in, and the activation energy (Ea) by 44%. Based on the experimental data, a possible catalytic reaction mechanism of TiO2/g-C3N4 hybrid has been proposed.
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ACKNOWLEDGMENTS
The authors thank the School of Mechanical Engineering of Tsinghua University for their assistance in the XPS characterization. Meanwhile, the technology was supported by the School of Materials Science and Engineering of Tsinghua University for performing FESEM and BET analysis.
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Meng, S., Mi, W., Liu, J. et al. Preparation of Titanium Dioxide/Graphitic Carbon Nitride Hybrid and Its Catalytic Effect on Ammonium Perchlorate Decomposition. Russ. J. Phys. Chem. 96, 2497–2504 (2022). https://doi.org/10.1134/S0036024422110280
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DOI: https://doi.org/10.1134/S0036024422110280