4.6 Article

Air activation by a metal-free photocatalyst for totally-green hydrocarbon selective oxidation

Journal

CATALYSIS SCIENCE & TECHNOLOGY
Volume 6, Issue 19, Pages 7252-7258

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c6cy01066k

Keywords

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Funding

  1. Collaborative Innovation Center of Suzhou Nano Science and Technology
  2. National Basic Research Program of China (973 Program) [2012CB825803, 2013CB932702]
  3. National Natural Science Foundation of China [51422207, 51132006, 51572179, 21471106, 21501126]
  4. Specialized Research Fund for the Doctoral Program of Higher Education [20123201110018]
  5. Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)

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We show the fabrication and photocatalytic properties of triazine-based carbon nitride (polytriazine imide, PTI). The obtained PTI, with higher crystallinity and a triazine structure unit, is sufficiently characterised by X-ray powder diffraction, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy and solid state NMR. We demonstrate that PTI is an efficient photocatalyst for activation in air and water, by which, the total green cyclohexane selective oxidation (5.81% conversion and over 99.9% selectivity to cyclohexanone) can be realized only using air and water without any other oxidants, initiators and solvents.

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