SYNTHESIS OF WELL-DISPERSED Pd/CARBON NAXOTUBES AND EVALUATION OF ITS ELECTROCHEMICAL ACTIVITIES
(0) INTRODUCTION Recently, carbon nanotubes (CNTs) have received considerable attention as catalyst supports in both heterogeneous catalysis and electrocatalysis. Due to their high mechanical strength. Large surface area, good electrical conductivity, and durability under harsh conditions. Some researchers have reported CNT-supported metal catalysts (e.g., Pt. Pd. Au. Ru and PtRu) exhibiting good catalytic behaviors under various chemical reactions, involving methanol electro-oxidation. Selective hydrogenation. Suzuki coupling. CO oxidation, and hydrodehalogenation. The enhanced catalytic performances are generally attributed to the metal-CNT interaction. This interaction induces a peculiar microstructure or modification of the electron density in the metal clusters and enhances the catalytic activity. The adsorption of organic species is also favored by van der Waals interactions between the CNTs and aromatic rings, leading to favorable reactant-product mass transportation 1-2. In this work, we report a simple and effective process to prepare Pd/CNT catalyst by depositing Pd nanoparticles on thiolated multiwall carbon nanotube (MWNT) surfaces. Catalytic behaviors were also compared with the commercial Pd-carbon black.
thiolation Pd-carbon nanotube catalyst H2O2 reduction
Hvun Chul Choi Yu-Na Jeong
Department of Chemistry,Chonnam National University,Gwangju 500-757, Republic of Korea
国际会议
The 2nd International Conference on Nanomechanics & Nanocomposites(第二届国际纳米力学与纳米复合材料会议)
北京
英文
300-302
2010-10-10（万方平台首次上网日期，不代表论文的发表时间）