Journal
CRYSTENGCOMM
Volume 20, Issue 30, Pages 4305-4312Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8ce00790j
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Funding
- National Natural Science Foundation of China [21601149]
- Scientific Research Fund of Hunan Provincial Education Department, China [16B253]
- Open Project Program of the State Key Laboratory of Structural Chemistry, China [20150018]
- Hunan 2011 Collaborative Innovation Center of Chemical Engineering & Technology with Environmental Benignity and Effective Resource Utilization
- Oulu University Strategic Grant
- Oulu University
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By using [BMIM][PO4] as a coupling agent, a novel hydrothermal method is developed to prepare micro-spherical SbPO4 with different morphologies and photocatalytic abilities. An evolution from flower- to sphere-shaped products was observed. Regular SbPO4 microspheres with diameters of 10-35 mu m were found to exhibit excellent photocatalytic properties to degrade rhodamine B (45 min, 99%) and methylene blue (60 min, 99%) under UV light irradiation. The impacts of the ionic liquid type, capping abilities and reaction conditions on final products were revealed. It is found that by tuning the reaction time and temperature, [BMIM][PO4] can gradually react with SbCl3, forming SbPO4 products with a controllable morphology and a tailored bandgap. The distinguished photocatalytic abilities are attributed to the large surface area and low bandgap energy of the semiconductor.
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