Enhanced photoluminescence from zinc oxide by plasmonic resonance of reduced graphene oxide

被引：18

作者：

Kim, Kukjoo ^{[1
]}

Lee, Seong Min ^{[1
]}

Do, Yun Seon ^{[1
]}

Ahn, Sung Il ^{[2
]}

Choi, Kyung Cheol ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Elect Engn, Taejon 305701, South Korea

[2] Silla Univ, Dept Engn Energy & Appl Chem, Pusan 617736, South Korea

来源：

JOURNAL OF APPLIED PHYSICS | 2013年 / 114卷 / 07期

基金：

新加坡国家研究基金会;

关键词：

PROPAGATING SURFACE-PLASMONS; FILMS; ZNO; EMISSION; TRANSPARENT; CONDUCTIVITY; MOLECULES; CRYSTALS; ROUTE; AREA;

D O I：

10.1063/1.4818953

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We demonstrate 2.79- and 10.16-fold enhanced photoluminescence (PL) from band-edge and defect levels of zinc oxide (ZnO) using a plasmonic resonance of reduced graphene oxide (RGO) in the UV frequency range. RGO shows superior tunability on the light absorption of ZnO by the confined plasmonic resonance, which results in strong PL emission. We conclude that the absorption of ZnO in close proximity to the RGO layer can be enhanced. These arguments are strongly supported by different PL enhancements depending on the distance between RGO and ZnO layers, time-resolved PL, and numerical calculations. (C) 2013 AIP Publishing LLC.

引用

页数：5

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