期刊
NANO LETTERS
卷 14, 期 11, 页码 6666-6671出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl503343n
关键词
one-step synthesis; metal-sulfide HNCs; structure control; hydrogenation of cinnamaldehyde; synergistic effect interfacial function
类别
资金
- MOST of China [2014CB932700, 2011CB921403]
- NSFC [21203173, 51371164, J1030412]
- CAS [XDB01020000]
- Fundamental Research Funds for the Central Universities [WK2340000050, WK2060190025]
Metal-sulfide hybrid nanocrystals (HNCs) have been of great interest for their distinguished interfacial effect, which gives rise to unique catalytic properties. However, most of the reported metal-sulfide HNCs were synthesized via two-step approaches and few were fabricated based on the one-step strategies. Herein, we report a facile one-pot synthesis of CuPt-Cu2S, Pt-Cu2S HNCs, and CuPt nanocubes by simply changing the Pt precursor types. 1-Hexadecanethiol (HDT) was employed in this system to mediate the reduction of metal precursors and also as capping agent and sulfur source. Moreover, CuPd-Cu2S and Au-Cu2S HNCs were successfully prepared by using this one-step method. The catalytic properties of the obtained three nanocrystals were investigated in hydrogenation of cinnamaldehyde. Results show that CuPt-Cu2S HNCs exhibited the highest conversion rate and the highest selectivity toward hydrocinnamaldehyde while 3-phenyl-1-propanol was the only product over Pt-Cu2S HNCs.
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