Aerobic oxidation of benzyl alcohol in base-free aqueous solutions using acid-functionalized CNT as catalyst support
In this HOT Article, Yang et al have investigated the use of acid-functionalized carbon nanotubes (CNT) as a catalyst support for benzyl alcohol oxidation in a base-free aqueous solution under mild conditions.
CNT supported Pt-based bimetallic nanoparticles were synthesized by finely alloying Pt with Ru or Sn by microwave assisted polyol reduction (MAPR). The MAPR method was found to produce superior CNT supports compared to conventional methods of impregnation or deposition, yielding homogeneously dispersed particles with narrow size distribution and hence enhanced surface Pt exposure. Characterization results revealed the mechanism of action of Ru and Sn promoters on the catalysts: Ru reacted with the surface of the Pt-hydride species to liberate free Pt active sites whereas Sn enhanced electronic transfer.
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Microwave-assisted synthesis of PtRu/CNT and PtSn/CNT catalysts and their applications in the aerobic oxidation of benzyl alcohol in base-free aqueous solutions
Hong Chen, Qinghu Tang, Yuanting Chen, Yibo Yan, Chunmei Zhou, Zhen Guo, Xinli Jia and Yanhui Yang
Catal. Sci. Technol., 2012, Advance Article
DOI: 10.1039/C2CY20366A
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