Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 143, Issue -, Pages 922-927Publisher
ELSEVIER
DOI: 10.1016/j.ijbiomac.2019.09.152
Keywords
Bacterial cellulose aerogel; Catalyst; Metal nanoparticle
Funding
- Natural Science Foundation of Jiangsu Province for Youth scholar [BK20180766]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
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Bacterial cellulose aerogels were chosen as the substrate for supporting and dispersing metal nanoparticles (Cu and Ni). During the catalyst preparation, we found that the swelling-induced adsorption process could control the metal size and dispersion simultaneously. Cu and Ni nanoparticles were confined into the bacterial cellulose network and SEM results demonstrated that Cu particles had a smaller size compared to Ni particles. The metal-loaded catalysts exhibited good catalytic performance in the 4-nitrophenol reduction reaction. The optimal sample (BC-Cu-0.5) prepared with 0.5 wt% CuSO4 solution could complete the reduction process within 8 min. Besides, the BC-Cu-0.5 catalyst showed excellent stability and reusability. This study sheds light on the deposition of metal particles and provides a wider application for bacterial cellulose. (C) 2019 Elsevier B.V. All rights reserved.
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