Journal
JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS
Volume 29, Issue 3, Pages 799-805Publisher
SPRINGER
DOI: 10.1007/s10904-018-01054-3
Keywords
Nano-TiO2; Photocatalytic; Bamboo charcoal; Coating
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Funding
- National Natural Science Foundation of China [51672108, 51602126]
- National Key Research and Development Plan of China [2016YFB0303505]
- State Key Laboratory of Silicate Materials for Architectures (Wuhan University of Technology), China [SYSJJ2018-12]
- University of Jinan Postdoctoral Science Foundation [2017M622118, XBH1716]
- 111 Project of International Corporation on Advanced Cement-based Materials [D17001]
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The bamboo charcoal/nano-TiO2 (BC/TiO2) composite material is designed and prepared for further improving photocatalytic property of TiO2. Assessment of BC/TiO2 composite material and its application in photocatalytic coating are investigated by nitrogen absorption test, scanning electron microscopy-energy disperse spectroscopy (SEM-EDS) characterization and photocatalytic and mechanical properties analysis. The results show that optimal ratio of TiO2 to BC is 0.03. Rhodamine B (RhB) degradation ratio can reach 62.9% under 4h UV light irradiation, which is 43.7% higher than pure TiO2 sample. The specific surface area (S-BET) and the total average pore size ((D) over bar) of BC/TiO2 can reach 388.33m(2)/g and 3.71nm, respectively. Moreover, the photocatalytic coatings prepared mainly by BC/TiO2 and polyacrylic emulsion (PAE), not only show satisfactory mechanical properties, but also have excellent photocatalytic property. When the addition of BC/TiO2 composite materials is 6%, the photocatalytic property of coating is optimal, RhB degradation ratio can reach 83.7% under 8h UV light irradiation. Also the adhesion, pencil hardness and impact resistance reach 2 level, 2H and 44kgcm, respectively.
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