Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 112, Issue 43, Pages 16754-16758Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp805359r
Keywords
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Funding
- National Basic Research Program of China [2007CB613302]
- National Natural Science Foundation of China [50672117]
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Monodisperse, mesoporous ZnxCd1-xS nanoparticles are successfully realized as visible-light-driven photocatalyst via a facile self-assembly route in which sodium dodecylsulfate is utilized as the surfactant. Despite the analogous size and configuration, the alloys with different Zn content exhibit corn position-dependent absorption properties in the visible zone resulting from the distinguishing band gap. Under visible light irradiation (lambda >= 400 nm), correspondingly, these photocatalysts show composition-dependent photocatalytic efficiencies for the degradation of rhodamine B. The performance increases evidently with the decrease ill the Zn content in the alloys. In addition, they are stable enough to be recycled multiple times and demonstrate higher stability than binary US sample synthesized through the same process. This finding is attractive for presenting new possibilities for chalcogenide semiconductors as single-phase, visible-light-sensitive catalysts in photocatalytic applications, especially in the field of environmental remediation.
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