Open AccessМатричный синтез монодисперсных сферических нанокомпозитных частиц SiO-=SUB=-2-=/SUB=-/GaN:Eu-=SUP=-3+-=/SUP=-
Author(s) -
Е.Ю. Стовпяга,
Д.А. Еуров,
Д.А. Курдюков,
А.Н. Смирнов,
М.А. Яговкина,
D. G. Yakovlev,
В.Г. Голубев
Publication year - 2018
Publication title -
fizika i tehnika poluprovodnikov
Language(s) - English
Resource type - Journals
eISSN - 1726-7315
pISSN - 0015-3222
DOI - 10.21883/ftp.2018.09.46147.8843
Subject(s) - europium , materials science , dispersity , photoluminescence , thermal decomposition , gallium , nanocomposite , chemical engineering , crystal (programming language) , luminescence , nanotechnology , optoelectronics , chemistry , metallurgy , polymer chemistry , organic chemistry , computer science , engineering , programming language
A nanocomposite in the form of monodisperse spherical mesoporous silica particles (mSiO_2) filled with GaN:Eu^3+ is synthesized by the template method. The method is based on the capillary impregnation of pores of mSiO_2 particles with a melt of crystal hydrates of gallium and europium (0.22 wt %) nitrates, followed by thermal decomposition and ammonia treatment. It is shown that nanocomposite particles contain hexagonal GaN:Eu^3+, are of spherical shape, monodisperse and do not coalesce with each other. The photoluminescence spectra of the mSiO_2/GaN:Eu^3+ particles show a group of lines characteristic of intracenter transitions in Eu^3+.