Hierarchical bismuth phosphate microspheres with high photocatalytic performance
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Lizhai Pei
Abstract
Hierarchical bismuth phosphate microspheres have been prepared by a simple hydrothermal process with polyvinyl pyrrolidone. Scanning electron microscopy observations show that the hierarchical bismuth phosphate microspheres consist of nanosheets with a thickness of about 30 nm. The diameter of the microspheres is about 1 – 3 μm. X-ray diffraction analysis shows that the microspheres are comprised of triclinic Bi23P4O44.5 phase. The formation of the hierarchical microspheres depends on polyvinyl pyrrolidone concentration, hydrothermal temperature and reaction time. Gentian violet acts as the pollutant model for investigating the photocatalytic activity of the hierarchical bismuth phosphate microspheres under ultraviolet–visible light irradiation. Irradiation time, dosage of the hierarchical microspheres and initial gentian violet concentration on the photocatalytic efficiency are also discussed. The hierarchical bismuth phosphate microspheres show good photocatalytic performance for gentian violet removal in aqueous solution.
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© 2016, Carl Hanser Verlag, München
Artikel in diesem Heft
- Contents
- Contents
- Original Contributions
- Microstructural evolution and creep of Fe–Al–Ta alloys
- Creep behaviour characterisation of a ferritic steel alloy based on the modified theta-projection data at an elevated temperature
- Facile fabrication, microstructure, and corrosion resistance of high-strength, high-hardness pure bulk aluminum
- A method for improving the mechanical properties of a hypereutectic Al–Si alloy by introducing the α-Al phase
- Experimental investigation by atomic force microscopy on mechanical and tribological properties of thin films
- Influence of ceramic B4C particulate addition on tensile behavior of 6061 aluminum matrix
- Role of cerium, lanthanum, and strontium additions in an Al – Si – Mg (A356) alloy
- Structural and mechanical study on Mg–xLM (x = 0–5 wt.%, LM = Sn, Ga) alloys
- Weibull distribution application on temperature dependence of polyurethane storage modulus
- Hierarchical bismuth phosphate microspheres with high photocatalytic performance
- Influence of calcination temperature on sol–gel synthesized single-phase bismuth titanate for high dielectric capacitor applications
- People
- Prof. Dr. Wolfgang Bleck on the occasion of his 65th birthday
- DGM News
- DGM News
Artikel in diesem Heft
- Contents
- Contents
- Original Contributions
- Microstructural evolution and creep of Fe–Al–Ta alloys
- Creep behaviour characterisation of a ferritic steel alloy based on the modified theta-projection data at an elevated temperature
- Facile fabrication, microstructure, and corrosion resistance of high-strength, high-hardness pure bulk aluminum
- A method for improving the mechanical properties of a hypereutectic Al–Si alloy by introducing the α-Al phase
- Experimental investigation by atomic force microscopy on mechanical and tribological properties of thin films
- Influence of ceramic B4C particulate addition on tensile behavior of 6061 aluminum matrix
- Role of cerium, lanthanum, and strontium additions in an Al – Si – Mg (A356) alloy
- Structural and mechanical study on Mg–xLM (x = 0–5 wt.%, LM = Sn, Ga) alloys
- Weibull distribution application on temperature dependence of polyurethane storage modulus
- Hierarchical bismuth phosphate microspheres with high photocatalytic performance
- Influence of calcination temperature on sol–gel synthesized single-phase bismuth titanate for high dielectric capacitor applications
- People
- Prof. Dr. Wolfgang Bleck on the occasion of his 65th birthday
- DGM News
- DGM News
