Journal
CATALYSIS COMMUNICATIONS
Volume 51, Issue -, Pages 29-32Publisher
ELSEVIER
DOI: 10.1016/j.catcom.2014.03.025
Keywords
Smart catalysts; Thermo-responsive; Polyoxometalates; Nanoreactors
Categories
Funding
- Jilin Environmental Protection Bureau [201127]
- National Natural Science Foundation of China [51273037, 50903012]
- Jilin Human Resources and Social Security Bureau [201125020]
- Jilin Science and Technology Bureau (International Cooperation Project) [20120729, 20130206074GX]
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A nanoreactor with thermo-responsive poly(N-isopropylacrylamide) (PNIPAM) coated on the external pores of SBA-15 and a Keggin-type polyoxometalate (POM), molybdovanadophosphoric acid (H5PV2Mo10O40) loaded into the internal pores were fabricated. It showed excellent catalytic activity toward catalytic wet hydrogen peroxide oxidation (CWPO) of phenol at 25 degrees C (below lower critical solution temperature (LCST) of PNIPAM). When the temperature was 50 degrees C (above LCST), the rate of CWPO dropped significantly. These results indicated that the nanoreactor shows the repeated on/off catalytic activity switched by temperature control. The recyclable catalytic processes were successfully conducted. (C) 2014 Elsevier B.V. All rights reserved.
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