期刊
DALTON TRANSACTIONS
卷 43, 期 14, 页码 5526-5534出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3dt53311e
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资金
- Department of Science and Technology (DST) under Nanomission, New Delhi, India [SR/S5/NM-04/2007]
- CSIR, New Delhi, India [22(0527)/10/EMR-II]
Water pollution by organic pollutants has been a growing global problem in recent years, for which there is a great demand of efficient technologies for wastewater treatment. Remediation of water by photocatalytic oxidation has several advantages over adsorption or any other conventional techniques. This study reports a easy synthesis technique of a sulfur doped hollow TiO2 nanocatalyst for photo degradation of organic dye under solar light. The hollow doped TiO2 nano catalyst has significantly high specific surface area (318.11 m(2) g(-1)) and low band gap (2.5 eV) compared to that of solid particles (130.94 m(2) g(-1) and 3.2 eV respectively), as a result it acts as an efficient photocatalyst under solar light. The methylene blue dye degradation ability of this catalyst is shown to be 98.6% compared to that of standard Degussa P25 (30%) as reported before. Additionally, the catalyst is also able to degrade 71% methylene blue dye during fifth times recycling without any further treatment because of its high surface area. So our sulfur doped hollow TiO2 nanoparticles can be used as a potential photocatalyst for environmental remediation applications.
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