Document Detail


Direct Synthesis of Bimetallic Pd(3)Ag Nanoalloys from Bulk Pd(3)Ag Alloy.
MedLine Citation:
PMID:  23186229     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
We report a transformative, all inorganic synthesis method of preparing supported bimetallic Pd(3)Ag alloy nanoparticles. The method involves breaking down bulk Pd(3)Ag alloy into the nanoparticles in liquid lithium, converting metallic Li to LiOH, and transferring Pd(3)Ag nanoparticles/LiOH mixture onto non-water-soluble supports, followed by leaching off the LiOH with water under ambient conditions. The size of the resulting Pd(3)Ag nanoparticles was found narrowly distributed around 2.3 nm characterized by transmission electron microscope (TEM). In addition, studies by X-ray diffraction (XRD), extended X-ray absorption fine structure (EXAFS) spectroscopy, and X-ray absorption near edge structure (XANES) spectroscopy showed that the resulting Pd(3)Ag nanoparticles inherited similar atomic ratio and alloy structure as the starting material. The synthesized Pd(3)Ag nanoparticles exhibited excellent catalytic activity toward hydrogenation of acrolein to propanal.
Authors:
Chi-Kai Lin; Yan-Gu Lin; Tianpin Wu; Heather M Barkholtz; Qiyin Lin; Haojuan Wei; Dale L Brewe; Jeffrey T Miller; Di-Jia Liu; Yang Ren; Yasuo Ito; Tao Xu
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-27
Journal Detail:
Title:  Inorganic chemistry     Volume:  -     ISSN:  1520-510X     ISO Abbreviation:  Inorg Chem     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0366543     Medline TA:  Inorg Chem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Chemistry and Biochemistry, Northern Illinois University, DeKalb, Illinois 60115, United States.
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