Suppression of the green photoluminescence band in ZnO embedded into porous opal by spray pyrolysis

被引：29

作者：

Abrarov, SM ^{[1
]}

Yuldashev, SU

Lee, SB

Kang, TW

机构：

[1] Dongguk Univ, Quantum Funct Semicond Res Ctr, Seoul, South Korea

[2] Univ Texas, Nanotechnol Inst, Richardson, TX 75083 USA

来源：

JOURNAL OF LUMINESCENCE | 2004年 / 109卷 / 01期

关键词：

ZnO; photoluminescence; photonic band-gap; opal;

D O I：

10.1016/j.jlumin.2003.12.050

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The photoluminescence (PL) and transmittance characteristics of the zinc oxide embedded into voids of FCC submicron packed silicon dioxide spheres by using technologically simple and inexpensive spray pyrolysis are reported. The uniform formation of ZnO nanocrystalline particles inside of the porous opal takes place after deposition in aqueous solution with zinc nitrite hexahydride precursor followed by thermal annealing. The decrease of green PL is observed due to the inhibition of spontaneous emission through oxygen vacancies in ZnO. The strong red shift of the transmittance characteristics signifies the essential filling of voids in the opal matrix. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：25 / 29

页数：5

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