Study on growth mechanism and optical properties of ZnSe nanoparticles

被引：25

作者：

Feng, Bo ^{[1
]}

Cao, Jian ^{[1
]}

Han, Donglai ^{[2
]}

Yang, Shuo ^{[2
]}

Yang, Jinghai ^{[1
]}

机构：

[1] Jilin Normal Univ, Minist Educ, Key Lab Funct Mat Phys & Chem, Haifeng St 1301, Siping 136000, Peoples R China

[2] Chinese Acad Sci, Key Lab Excited State Phys, Changchun Inst Opt Fine Mech & Phys, Changchun 130033, Peoples R China

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2015年 / 26卷 / 05期

基金：

中国国家自然科学基金;

关键词：

FACILE SYNTHESIS; QUANTUM DOTS; RAMAN-SPECTROSCOPY; PHOTOLUMINESCENCE; NANOCRYSTALS; FABRICATION; NANOWIRES; CORE/SHELL; NETWORKS; MICROSPHERES;

D O I：

10.1007/s10854-015-2818-5

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

ZnSe nanoparticles with the cubic zinc blende structure were synthesized by a triethanolamine (TEA)-assisted solvothermal method without surfactants and templates. The effects of the TEA on the growth mechanism of ZnSe nanoparticles were analyzed. Photoluminescence measurements showed that the intensity of the defect-related emission band varied with the volume of TEA, as different types of defects were dominant in the ZnSe nanoparticles. Moreover, the emission band centered at 545 nm was attributed to the recombination of a donor-acceptor pair involving Zn vacancies, while the emission band centered at 668 nm was due to the stacking faults, twinning defects and some point defects. In Raman spectra, a clear shift of the transverse and longitudinal optical phonon modes, as well as a broadening of the longitudinal optical phonon peak were observed for ZnSe nanoparticles.

引用

页码：3206 / 3214

页数：9

共 52 条

[1] QUANTITATIVE MEASUREMENT OF RESIDUAL BIAXIAL STRESS BY RAMAN-SPECTROSCOPY IN DIAMOND GROWN ON A TI ALLOY BY CHEMICAL-VAPOR-DEPOSITION [J].