ZnO-infiltrated opal: influence of the stop-zone on the UV spontaneous emission

被引：11

作者：

Emelchenko, A ^{[1
]}

Gruzintsev, AN

Masalov, VV

Samarov, EN

Bazhenov, V

Yakimov, EE

机构：

[1] Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Russia

[2] Russian Acad Sci, Inst Microelect Technol & High Pur Mat, Chernogolovka 142432, Russia

来源：

JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS | 2005年 / 7卷 / 02期

关键词：

opal matrix; ZnO infiltration; UV luminescence; reflectance spectra; angular dependence;

D O I：

10.1088/1464-4258/7/2/028

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A ZnO infiltration technology was developed by chemical deposition from solution into a three-dimensional opal lattice; samples of the ZnO-opal composites were prepared with the predominating UV emission at room temperature. It is shown that the use of 'raw' opals and an incomplete filling of pores by semiconducting material increase the edge excitonic emission several-fold at room temperature. Angular dependences of the photoluminescence and reflectance spectra of the ZnO-infiltrated opal are studied. The suppression effect of the spontaneous emission in the stop band is observed. These results can be used to create effective laser light sources in the UV spectral range using the 'photonic crystal' effect.

引用

页码：S213 / S218

页数：6

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