Journal
MICRO & NANO LETTERS
Volume 14, Issue 11, Pages 1126-1130Publisher
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/mnl.2019.0048
Keywords
catalysis; nanofabrication; crystallisation; desorption; catalysts; adsorption; scanning electron microscopy; X-ray diffraction; oxidation; calcination; vanadium compounds; nanostructured materials; high specific surface area; eutectic mixture; reflux duration time; vanadium phosphate catalysts; vanadium phosphate materials; X-ray diffraction; amorphous phase; crystallised phase; reflux duration; N-2 adsorption-desorption measurements; Brunauer-Emmett-Teller studies; scanning electron microscopic analysis; calcination temperature; growth process; VPO nanostructures; benzyl alcohol; physical-chemical properties; catalytic properties; VPO
Funding
- Project of Young Scientific Fund of Gansu Province, China [1606RJYA309]
Ask authors/readers for more resources
Vanadium phosphate (VPO) materials with high specific surface area prepared via a eutectic mixture as solvent and template with different lengths of time, i.e. 24, 72 and 144 h, were investigated in the oxidation of benzyl alcohol. The X-ray diffraction result indicated the initial VPO precursor was an amorphous phase due to the stronger incorporation of eutectic mixture. On subsequent reflux duration of 72 h, the precursor was composed of a crystallised VOHPO4H2O phase. On further reflux duration of 144 h, the incorporated eutectic mixture gradually was leached out and the precursor became more crystalline. Interestingly the N-2 adsorption-desorption measurements Brunauer-Emmett-Teller studies showed that the VPO precursor incorporated eutectic mixture was mesostructured and the specific surface area first increased then decreased with increasing the reflux duration time. The growth process of the VPO nanostructures formed in a eutectic mixture with different lengths of time was investigated by scanning electron microscopic analysis. The influence of calcination temperature and lengths of reflux duration on the activity and selectivity of the VPO catalyst was studied and discussed.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available