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Cited by 158

The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.

Controlled synthesis of Ag2O microcrystals with facet-dependent photocatalytic activities

Wang, Gang, Ma, Xiangchao, Huang, Baibiao, Cheng, Hefeng, Wang, Zeyan, Zhan, Jie, Qin, Xiaoyan, Zhang, Xiaoyang, Dai, Ying·2012·Journal of Materials Chemistry

Abstract

Ag2O microcrystals with different morphologies have been successfully synthesized by using various complexing agents. To achieve kinetic control of the growth of the Ag2O microcrystals, [Ag(NH3)2]+ complexing ions are required to restrict the release rate of silver ions before adding NaOH solution. The complexing anions play an important role in the growth process of the Ag2O microcrystals. This kinetic control leads to five morphologies of Ag2O microcrystals (cubic, octahedral, rhombic dodecahedra, polyhedra with 18 faces and rhombicuboctahedral), which exhibit facet-dependent photocatalytic activity for the degradation of methyl orange (MO) under visible light irradiation. The cubic Ag@Ag2O photocatalyst with exposed {100} facets showed the greatest activity of all the other morphologies of the photocatalysts. The mechanism of dramatic enhancement of the photocatalytic activity of Ag@Ag2O with exposed {100} facets was discussed in detail from three aspects, including the highest surface energy of the {100} facet, the larger difference value between the weighted average of the effective mass of holes and electrons along the [100] direction, and the suitable redox potentials of the (100) surface.

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Metadata

Authors
Wang, G., Ma, X., Huang, B., Cheng, H., Wang, Z., Zhan, J., Qin, X., Zhang, X., & Dai, Y.
Venue
Journal of Materials Chemistry
Published
2012
Volume
22
Issue
39
Pages
21189
ISSN
  • 0959-9428 (ISSN-L)
  • 1364-5501
OpenAlex
W2024853124
Cited by
158
References
3
FWCI
4.62
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Controlled synthesis of Ag2O microcrystals with facet-dependent photocatalytic activities. https://app.cochat.ai/papers/10.1039/c2jm35010f
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Wang, G., Ma, X., Huang, B., Cheng, H., Wang, Z., Zhan, J., Qin, X., Zhang, X., & Dai, Y. (2012). Controlled synthesis of Ag2O microcrystals with facet-dependent photocatalytic activities. Journal of Materials Chemistry. https://doi.org/10.1039/c2jm35010f

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