Assessment of Bamboo Charcoal/Nano-TiO2 (BC/TiO2) Composite Material and Its Application in Photocatalytic Coating

  • Piqi ZhaoEmail author
  • Honghua Liu
  • Xiangyang Guo
  • Han Wang
  • Shoude Wang
  • Lingchao Lu
  • Xin ChengEmail author


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 4 h UV light irradiation, which is 43.7% higher than pure TiO2 sample. The specific surface area (SBET) and the total average pore size (\(\overline {D}\)) of BC/TiO2 can reach 388.33 m2/g and 3.71 nm, 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 8 h UV light irradiation. Also the adhesion, pencil hardness and impact resistance reach 2 level, 2H and 44 kg cm, respectively.


Nano-TiO2 Photocatalytic Bamboo charcoal Coating 



This Research is supported by the National Natural Science Foundation of China (No. 51602126), the National Key Research and Development Plan of China (No. 2016YFB0303505), the National Natural Science Foundation of China (No. 51672108), State Key Laboratory of Silicate Materials for Architectures (Wuhan University of Technology) (No. SYSJJ2018-12), China and University of Jinan Postdoctoral Science Foundation (No. 2017M622118 and XBH1716), the 111 Project of International Corporation on Advanced Cement-based Materials (D17001).


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Authors and Affiliations

  1. 1.Shandong Provincial Key Laboratory of Preparation and Measurement of Building MaterialsUniversity of JinanJinanChina
  2. 2.School of Materials Science and EngineeringUniversity of JinanJinanChina
  3. 3.Shandong Provincial Academy of Building ResearchJinanChina

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