期刊
NANO LETTERS
卷 12, 期 11, 页码 5552-5558出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl302484n
关键词
Metal nanowires; catalytic reduction; surfactant template; nanowire films; transparent conductor; self-assembly
类别
资金
- Israeli Ministry of Industry, Trade and Labor
- PV Nanocell Ltd.
Gold/silver nanowires (NWs) of controlled diameters were synthesized from catalytic metal seed particles at the substrate/solution interface. Small seed nanoparticles of three different sizes: similar to 1 nm (11 gold atoms), similar to 1.4 nm (similar to 55 gold atoms), and homemade nanoparticles of similar to 2 nm were used. By varying a single type of seed particle concentration in the growth solution, the NW diameters and morphology could be controlled, between bundles of ultrathin NWs of similar to 2-3 nm diameter to thicker isolated single NWs with a mean diameter of similar to 16 nm. In addition, the catalytic reduction rate leading to NW growth was found to be seed size dependent at small seed sizes (<2 nm). The two types of metallic NW films were tested for their performance as transparent electrodes after additional metal deposition for their stabilization and conductivity enhancement. The thin NW bundles exhibit superior transparent conductor properties.
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