Template synthesis of nanoparticle arrays of gold and platinum in mesoporous silica films
Template synthesis of nanoparticle arrays of gold and platinum in mesoporous silica films
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DOI：
10.1021/nl0256107
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发表时间：
2002-07-01
期刊：
影响因子：
10.8
通讯作者：
Ichikawa, M
中科院分区：
文献类型：
--
作者：
Fukuoka, A;Araki, H;Ichikawa, M
介孔二氧化硅膜作为模板形成均匀的Au和Pt纳米颗粒。复合材料形成金属纳米颗粒（直径约为100微米）的阵列。2.5 nm），在TEM观察中显示出有序结构。通过用稀HF溶液溶解将纳米颗粒与二氧化硅膜分离，并且在1-十二烷硫醇存在下，无支撑的Au纳米颗粒形成超晶格结构。
Mesoporous silica films work as templates to form uniform nanoparticles of Au and Pt. The composite materials form an array of metal nanoparticles (diameter ca. 2.5 nm) in the one-dimensional mesopores (pore diameter 2.7 nm), showing an ordered structure in the TEM observation. The nanoparticles are isolated from the silica film by dissolving with a diluted HF solution, and in the presence of 1-dodecanethiol unsupported Au nanoparticles form a superlattice structure.