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Dr. Chaoxian Xiao, Raghu V. Maligal-Ganesh, Dr. Tao Li, Zhiyuan Qi, Dr. Zhiyong Guo, Kyle T. Brashler, Shannon Goes, Xinle Li, Tian Wei Goh, Dr. Randall E. Winans and Prof. Wenyu Huang High-Temperature-Stable and Regenerable Catalysts: Platinum Nanoparticles in Aligned Mesoporous Silica Wells ChemSusChem 6

Version of Record online: 22 AUG 2013 | DOI: 10.1002/cssc.201300524

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Particle in the well: Stable and regenerable heterogeneous catalysts with a particle-in-a-well structure—Pt nanoparticles confined in between a SiO2 core and a mesoporous SiO2 shell with aligned channels—show stable catalytic activity for cyclohexane dehydrogenation at 500 °C. The catalysts can be deactivated by carbon deposition. The deactivated catalysts can be fully regenerated by a facile calcination at 500 °C with 20 % O2 in He.

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