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Published on: December 4, 2014
Atomically Dispersed Ru on Ultrathin Pd Nanoribbons
Jingjie Ge1, Dongsheng He2, Wenxing Chen3
1Center of Advanced Nanocatalysis (CAN) and Department of Chemistry, University of Science and Technology of China , Hefei, Anhui 230026, China.
Abstract:
We report a one-pot synthesis of atomically dispersed Ru on ultrathin Pd nanoribbons. By using synchrotron radiation photoemission spectroscopy (SRPES) and extended X-ray absorption fine structure (EXAFS) measurements in combination with aberration corrected high-resolution transmission electron microscopy (HRTEM), we show that atomically dispersed Ru with content up to 5.9% was on the surface of the ultrathin nanoribbon. Furthermore, the ultrathin Pd/Ru nanoribbons could remarkably prohibit the hydrogenolysis in chemoselective hydrogenation of C═C bonds, leading to an excellent catalytic selectivity compared with commercial Pd/C and Ru/C.
