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Study on Structure and Photocatalytic Performance of TEMPO-oxidized Bacterial Cellulose-based Nanocomposite Gel
Received:November 18, 2021  
DOI：10.11980/j.issn.0254-508X.2022.06.006
Key Words:TEMPO oxidization  bacterial cellulose  CdS nanoclusters  nanocomposite gel  photocatalysis
Fund Project:高水平外籍专家项目（GDT20186100425）；陕西科技大学学术带头人团队项目（2013XSD25）。
Author NameAffiliationPostcode
QIAN Xin College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education，Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper， Key Lab of Paper-based Functional Materials of China National Light Industry， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 710021
XU Yongjian College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education，Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper， Key Lab of Paper-based Functional Materials of China National Light Industry， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 710021
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Abstract:The oxidized bacterial cellulose@cadmium sulfide （TOBC@CdS） nanocomposite gel with high CdS loading percentage and better photocatalytic degradation performance were obtained through the microwave assisted solvo-thermal in-situ synthesis reaction. The results showed that cell receptor-like cubic CdS nanoclusters were mainly attached to amorphous region of TOBC fiber via complexation of carboxyl group， forming stable organic-inorganic hybrid structure. TOBC@CdS nanocomposite gel possessed efficient photocatalytic degradation activity with 87.27% removal of MB under 180 min visible light irradiation， and exhibited satisfactory cyclic utilization with slight attenuation after 5 cycles.
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