期刊
JOURNAL OF MATERIALS RESEARCH
卷 32, 期 14, 页码 2819-2828出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1557/jmr.2017.154
关键词
Ni-11(HPO3)(8)(OH)(6); waxberry-like microball; hydrothermal synthesis; photocatalysis
资金
- National Natural Science Foundation of China [11274052, 11674035, 61274015]
- Fund of State Key Laboratory of Information Photonics and Optical Communications (Beijing University of Posts and Telecommunications)
Due to the increasingly severe environmental pollution problems, the development of semiconductor photocatalysts is being extensively carried out because they have exhibited high activities for the degradation of many organic and inorganic pollutants. In this study, waxberry-like Ni-11(HPO3)(8)(OH)(6) microball photocatalysts with a diameter of 10-20 m have been successfully synthesized via a solvothermal route by using NiSO4 as a Ni-source and NaH2PO2 as a P-source in a mixture of ethylene glycol and water under the optimized conditions with a Ni:P molar ratio of 1:2 at 200 degrees C for 16 h. The as-prepared photocatalysts were characterized by powder X-ray diffraction, scanning electron microscopy, energy-dispersive X-ray analysis, Brunauer-Emmett-Teller N-2 adsorption, zeta potential, ultraviolet-visible (UV-vis) absorption, and photocatalysis tests. The decolourization of organic dyes, methylene blue and rhodamine B, under ultraviolet light over the as-prepared products reveals an excellent photocatalytic performance due to the good absorption for ultraviolet light.
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