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Surfactant-free synthesis of m-BiVO4 nanoribbons and enhanced visible-light photocatalytic properties
被引:34
作者:
Ahmed, Toheed
[1
,2
,3
]
Zhang, Hong-ling
[1
,2
]
Gao, Yi-Ying
[1
,2
]
Xu, Hong-bin
[1
,2
]
Zhang, Yi
[1
,2
]
机构:
[1] Chinese Acad Sci, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
[2] Chinese Acad Sci, Natl Engn Lab Hydromet Cleaner Prod Technol, Inst Proc Engn, Beijing 100190, Peoples R China
[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
基金:
中国国家自然科学基金;
关键词:
BiVO4;
Nanoribbon;
Solvothermal;
Photocatalysis;
Methylene blue;
HYDROTHERMAL SYNTHESIS;
BIVO4;
NANOFIBERS;
HOLLOW SPHERES;
DEGRADATION;
GROWTH;
TEMPERATURE;
BIOBR;
FABRICATION;
MECHANISM;
EVOLUTION;
D O I:
10.1016/j.materresbull.2017.11.029
中图分类号:
T [工业技术];
学科分类号:
08 ;
摘要:
Monoclinic Bismuth vanadate (m-BiVO4) is a promising material for photocatalytic degradation of organic moieties. Uniform m-BiVO4 nanoribbons were synthesized by facile solvothermal route without using the surfactant and characterized by X-ray diffraction, scanning electron microscopy and UV-vis diffuse reflectance spectra technique. The obtained m-BiVO4 nanoribbons possess well defined 1-D architectures with homogenous morphology and surface area of 22.4 m(2)/g. The prepared photocatalyst showed efficient photocatalytic activities up to 97% in 30 min against the degradation of methylene blue (MB) under visible-light irradiation. The prepared photocatalyst is recyclable and showed a very small change in activity after three consecutive cycles. This higher activity can be attributed to higher surface area and crystallinity, which signify the promising commercial application of m-BiVO4 nanoribbons as highly novel and highly efficient photocatalyst for the degradation of organic pollutants.
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页码:298 / 305
页数:8
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