Time-resolved investigation of bright visible wavelength luminescence from sulfur-doped ZnO nanowires and micropowders

被引：94

作者：

Foreman, John V.

Li, Jianye

Peng, Hongying

Choi, Soojeong

Everitt, Henry O. ^{[1
]}

Liu, Jie

机构：

[1] Duke Univ, Dept Phys, Durham, NC 27708 USA

[2] Duke Univ, Dept Chem, Durham, NC 27708 USA

[3] USA, Aviat & Missile Res, Dev & Engn Ctr, Redstone Arsenal, AL 35898 USA

来源：

NANO LETTERS | 2006年 / 6卷 / 06期

关键词：

D O I：

10.1021/nl060204z

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Sulfur-doped zinc oxide (ZnO) nanowires grown on gold-coated silicon substrates inside a horizontal tube furnace exhibit remarkably strong visible wavelength emission with a quantum efficiency of 30%, an integrated intensity 1600 times stronger than band edge ultraviolet emission, and a spectral distribution that closely matches the dark-adapted human eye response. By comparatively studying sulfur-doped and undoped ZnO micropowders, we clarify how sulfur doping and nanostructuring affect the visible luminescence and the underlying energy transfer mechanisms.

引用

收藏

页码：1126 / 1130

页数：5

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