期刊
NANO LETTERS
卷 11, 期 11, 页码 4736-4741出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl202539m
关键词
Nanobelt; nanowire; nanoparticle; ZnO; joule heating
类别
资金
- National Science Council
- MOE-ATU in Taiwan
We report a mask-free technique for the local synthesis of ZnO nanowires (NWs) on polysilicon nanobelts and polysilicon NW devices. First, we used localized joule heating to generate a poly(methyl methacrylate) (PMMA) nanotemplate, allowing the rapid and self-aligned ablation of PMMA within a short period of time (ca. S mu s). Next, we used ion-beam sputtering to prepare an ultrathin Au film and a ZnO seed layer; a subsequent lift-off process left the seed layers selectively within the PMMA nanotemplate. Gold nanoparticles and ZnO NWs were formed selectively in the localized joule heating region.
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