Facile synthesis of tetrahedral Ag3PO4 mesocrystals and its enhanced photocatalytic activity

Facile synthesis of tetrahedral Ag3PO4 mesocrystals and its enhanced photocatalytic activity

A novel and rapid strategy has been developed to synthesize tetrahedral Ag3PO4 mesocrystals with the help of surfactant oleic acid. Homogeneous Ag3PO4 tetrahedron with average apex-to-apex length of 1.1 μm could be synthesized under optimized conditions. Oleic acid is considered to be essential for...

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Bibliographic Details
Main Authors: Dong, Pengyu, Yin, Yao, Xu, Ning, Guan, Rongfeng, Hou, Guihua, Wang, Yuhua
Other Authors: School of Civil and Environmental Engineering
Format: Article
Language:English
Published: 2015
Subjects:
DRNTU::Science::Chemistry::Physical chemistry::Catalysis
Online Access:https://hdl.handle.net/10356/100656
http://hdl.handle.net/10220/25722
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Institution: Nanyang Technological University
Language: English
Description
Summary:A novel and rapid strategy has been developed to synthesize tetrahedral Ag3PO4 mesocrystals with the help of surfactant oleic acid. Homogeneous Ag3PO4 tetrahedron with average apex-to-apex length of 1.1 μm could be synthesized under optimized conditions. Oleic acid is considered to be essential for the formation of this homogeneous tetrahedral morphology. The as-prepared tetrahedral Ag3PO4 mesocrystals could be formed through the close-packed assembly of Ag3PO4 nanoparticles, thus the formation of tetrahedral Ag3PO4 mesocrystals is explained by the oriented aggregation mechanism based on time-dependent experiments. Furthermore, the obtained tetrahedral Ag3PO4 mesocrystals exhibit enhanced visible-light photocatalytic degradation of methylene blue (MB) and methyl orange (MO) solutions compared to the reported micro-sized spherical Ag3PO4 particles with high photocatalytic performance.

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