Journal
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
Volume 201, Issue -, Pages 57-65Publisher
ELSEVIER
DOI: 10.1016/j.mseb.2015.08.005
Keywords
Annealing; Photocatalytic; Ag3PO4; Photoelectrochemical
Funding
- Natural Science Youth Foundation of Jiangsu Province [BK20130198]
- Fundamental Research Funds for the Central Universities [2013XK07]
- Science and Technology Projects of Xuzhou [KC14SM088]
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Ag3PO4 microparticles (MPs) were annealed in air at various temperatures (100-500 degrees C) and time (30-120 min). It is surprising that both the phase structure and photocatalytic (PC) activities didn't descend even if the powders samples were annealed at 400 degrees C for 30 min, which made it possible to obtain Ag3PO4 films similar to the common semiconductor photocatalysts, such as TiO2. However, the particle sizes of MPs were observed to get increased significantly, resulting in a lowering of the specific surface area and a change of color. By excluding a few common causes, the excellent PC activities of the sintered samples are speculated to the improved crystallized quality, which also makes it possible to construct the photoelectrodes based on Ag3PO4 films for water splitting or photoelectric conversion. (C) 2015 Elsevier B.V. All rights reserved.
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