期刊
APPLIED NANOSCIENCE
卷 8, 期 3, 页码 475-488出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s13204-018-0669-0
关键词
Catalytic reduction; 4-Nitrophenol; Nickel; Micelles; Nanoparticles
资金
- Thailand Research Fund (TRF), Synchrotron Light Research Institute (SLRI)
- Khon Kaen University (KKU) under TRF research scholar program [RSA5980075]
- PERCH-CIC
- National Research University Project of Thailand, Office of the Higher Education Commission through Biofuel Cluster of Khon Kaen University [NRU57]
Excellent catalytic reduction of 4-NP in aqueous solution was achieved under ambient condition using nickel (Ni) nanoparticles generated in PMMA@PHEMA polymeric micelles. Ni nanoparticles were formed in two different PMMA@PHEMA micelles, namely Ni-loaded PMMA(10K)@PHEMA(5K) and Ni-loaded PMMA(12K)@PHEMA(34K) which resulted in the distinctive differences in Ni content as well as the sizes of Ni nanoparticles. Besides the concentration of the catalyst, the reduction rate of 4-NP depended on PMMA@PHEMA micelle structure, i.e., higher catalytic activity was observed for Ni-loaded PMMA(10K)@PHEMA(5K). More importantly, the catalytic performance of Ni-loaded PMMA(12K)@PHEMA(34K) was markedly improved with increasing amount of PHEMA-shell crosslinker despite a reduction of Ni content in the micelles.
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