Optical study of ZnP2 nanoparticles in zeolite Na-X

被引：16
作者：
Yeshchenko, OA
Dmitruk, IM
Koryakov, SV
Pundyk, IP
Barnakov, YA
机构：
[1] Natl Taras Shevchenko Kyiv Univ, Dept Phys, UA-03127 Kiev, Ukraine
[2] Univ New Orleans, Adv Mat Res Inst, New Orleans, LA 70148 USA
来源：
SOLID STATE COMMUNICATIONS | 2005年 / 133卷 / 02期
关键词：
semiconductors; nanostructures; nanofabrications; optical properties;
D O I：
10.1016/j.ssc.2004.10.007
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Nanoparticles of the II-V semiconductor (ZnP2) were prepared and investigated. ZnP2 nanoparticles were incorporated into zeolite Na-X matrix. Absorption. diffuse reflection (DR) and photoluminescence (PL) spectra of ZnP2 nanoparticles were measured at the temperature of 77 K. Five bands B-1-B-5 are observed in both the DR and PL spectra demonstrating the blue shift from the line of free exciton in bulk crystal. We attribute the B-1-B-5 bands to five stable nanoparticles with size le-ss than the size of zeolite Na-X supercage. We observed Stokes shift of the PL bands with respect to the absorption bands. This dependence of C this Stokes shift on the particle size is nonmonotonic. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：109 / 112
页数：4
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