期刊
SMALL
卷 14, 期 34, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.201801925
关键词
alloy; double helices; lattice transformation; ultrathin gold nanowires
类别
资金
- National Natural Science Foundation of China [21673117, 21703104]
- Jiangsu Science and Technology Plan [SBK2017041514]
- Jiangsu Provincial Foundation for Specially-Appointed Professor [39837131]
- SICAM Fellowship from Jiangsu National Synergetic Innovation Center for Advanced Materials
Previously, double helix nanowire was reported by coating Pd/Pt/Au onto Au-Ag alloy nanowire. Here, straight oleylamine-stabilized ultrathin Au nanowires with single crystalline fcc lattice are surprisingly converted into double helix helices upon reacting with Ag in tetrahydrofuran (THF). The obtained Au-Ag helical nanowires contain lattice distinctively different from the fcc lattice and are different in many aspects with the previous system. The discovery may expand the scope of nanoscale double helix formation and the understanding of lattice transformation among ultrafine nanostructures.
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