Surface plasmon enhanced photoluminescence from porous silicon nanowires decorated with gold nanoparticles

被引：8
|
作者：
Tang, Haiping [1 ]
Liu, Chao [2 ]
He, Haiping [2 ]
机构：
[1] Baoji Univ Arts & Sci, Inst Mech Engn, Baoji 721007, Peoples R China
[2] Zhejiang Univ, Sch Mat Sci & Engn, Hangzhou 310027, Zhejiang, Peoples R China
来源：
RSC ADVANCES | 2016年 / 6卷 / 64期
基金：
中国国家自然科学基金;
关键词：
CDSE QUANTUM DOTS; NANOCRYSTALS; LUMINESCENCE; EMISSION; ARRAYS; SIZE;
D O I：
10.1039/c6ra06019f
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We demonstrate similar to 8-fold photoluminescence enhancement in porous Si nanowires via coupling of the surface plasmon of Au nanoparticles. We find that the formation of an insulating SiOx layer during the Au nanoparticle growth is essential to the photoluminescence enhancement. A schematic energy-level diagram is proposed to interpret the experimental results.
引用
收藏
页码：59395 / 59399
页数：5
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