NDLI: Hydrothermal synthesis of meso/macroporous BiVO$_{4}$ hierarchical particles and their photocatalytic degradation properties under visible light irradiation

Content Provider	Springer Nature Link
Author	Madhusudan, Puttaswamy Kumar, Malahalli Vijaya Ishigaki, Tadashi Toda, Kenji Uematsu, Kazuyoshi Sato, Mineo
Copyright Year	2013
Abstract	An ordered hierarchical meso/macroporous monoclinic bismuth vanadate (BiVO$_{4}$) particle was fabricated for the first time by a simple two-step melamine template hydrothermal method followed by calcination. The physiochemical parameters of as-prepared porous materials were characterized by means of X-ray diffraction, scanning electron microscopy, high-resolution transmission electron microscopy, Raman, Barrett–Emmett–Teller, and UV–vis techniques. The nitrogen adsorption–desorption measurement and pore size distribution curve suggest that meso/macropores exist in these hierarchical microarchitectures. Further, it is found that melamine plays a significant role in the formation of porous BiVO$_{4}$ particles, and when a known amount of melamine was added, the surface area and pore size of such porous BiVO$_{4}$ particles were increased. The photocatalytic activities of the as-prepared hierarchical BiVO$_{4}$ samples were measured for the photodegradation of Congo red aqueous dye solution under visible light irradiation. Surprisingly, the porous BiVO$_{4}$ particles showed outstanding photocatalytic activities than polycrystalline BiVO$_{4}$ sample. The possible enhancement of such catalytic performance has also been further discussed.
Starting Page	6638
Ending Page	6645
Page Count	8
File Format	PDF
ISSN	09441344
Journal	Environmental Science and Pollution Research
Volume Number	20
Issue Number	9
e-ISSN	16147499
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2013-04-26
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Meso/macropore BiVO$_{4}$ Photocatalysis Visible light Photodegradation Melamine Congo red Environment Environmental Chemistry Ecotoxicology Environmental Health Atmospheric Protection/Air Quality Control/Air Pollution Waste Water Technology Water Pollution Control Water Management Aquatic Pollution
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Health, Toxicology and Mutagenesis Pollution Medicine

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