Journal
DALTON TRANSACTIONS
Volume 43, Issue 34, Pages 12982-12988Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4dt01077a
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Funding
- National Basic Research Program of China (973 Program) [2012CB825803, 2013CB932702]
- National Natural Science Foundation of China [51132006]
- Specialized Research Fund for the Doctoral Program of Higher Education [20123201110018]
- Suzhou Planning Project of Science and Technology [ZXG2012028]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
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High-efficiency and high-selectivity catalytic oxidation of alkanes under mild conditions with air is a major aim of current catalytic chemistry and chemical production. Despite extensive development efforts on new catalysts for cyclohexane oxidation, current commercial processes still suffer from low conversion, poor selectivity, and excessive production of waste. Here, we present the design and synthesis of gold nanoparticle/carbon nanotube (CNT) composites for high-efficiency and high-selectivity photocatalyst systems for the green oxidation of cyclohexane. Remarkably, Au nanoparticles confined in carbon nanotubes (Au-in-CNTs) are photocatalytically active for the oxidation of cyclohexane with 14.64% conversion of cyclohexane and a high selectivity of 86.88% of cyclohexanol using air and visible light at room temperature. Given its diversity and versatility of structural and composition design, gold nanoparticle/CNT composites may provide a powerful pathway for the development of high-performance catalysts and production processes for green chemical industry.
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