Synthesis and optical properties of colloidal tungsten oxide nanorods

Synthesis and optical properties of colloidal tungsten oxide nanorods
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DOI:
10.1021/ja034011e
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发表时间:
2003-03-26
影响因子:
15
通讯作者:
Park, JT
Park, JT
中科院分区:
化学1区
文献类型:
--
作者:
Lee, K;Seo, WS;Park, JT

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在温和氧化剂Me 3 NO·2 H2O存在下,W(CO)6在油胺中热分解生成直径为3 ~ 6 nm的氧化钨纳米棒。纳米棒的尺寸可以很容易地通过所采用的表面活性剂比例或反应温度来改变。所制备的氧化钨纳米棒在300 - 500 nm处具有很强的光致发光(PL)峰,显示出弱的尺寸依赖性。
Thermal decomposition of W(CO)6in oleylamine in the presence of mild oxidant Me3NO·2H2O produces tungsten oxide nanorods with diameters ranging from 3 to 6 nm. The size of nanorods can be easily varied by the employed surfactant ratio or reaction temperature. The prepared tungsten oxide nanorods exhibit strong photoluminescence (PL) peaks in 300−500 nm, which show a weak size dependency.