期刊
APPLIED CATALYSIS A-GENERAL
卷 575, 期 -, 页码 93-100出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcata.2019.01.017
关键词
Au@Ni nanochains; Surfactant free; Core-shell; NAPXPS; Transfer hydrogenation; Synergistic effects
资金
- UGC
- DST Nanomission [SR/NM/NS-1430/2014]
A surfactant free aqueous phase synthesis method is reported for the generation of highly lattice mismatched Au@Ni core-shell nanochains without using any expensive and hazardous organic ligands. As synthesised Au@Ni nanochain structures showed high thermal stability and bulk oxidation resistance up to 300 degrees C. In situ near ambient pressure XPS (NAPXPS) analysis has been done for the bare Au@Ni nanochain surfaces under oxygen atmosphere and at different temperatures which showed evidence for the surface oxidation resistance of naked Au@Ni nanochains up to 200 degrees C. Ligand or capping agent free Au@Ni nanochain surfaces are found to be highly active for transfer hydrogenation of acetophenone to 1-phenyl ethanol an important commodity in perfumery industry.
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