Embedded gold nanoparticles in TiO2 crystal for photonic applications

被引：1
|
作者：
Ye, Qingchuan [1 ]
Pang, Chi [1 ]
Zhu, Han [1 ]
Li, Rang [2 ]
Chen, Feng [1 ]
机构：
[1] Shandong Univ, Sch Phys, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
[2] Helmholtz Zentrum Dresden Rossendorf, Inst Ion Beam Phys & Mat Res, D-01328 Dresden, Germany
来源：
MATERIALS LETTERS | 2022年 / 326卷
基金：
中国国家自然科学基金;
关键词：
Nanoparticles; Ion implantation; Localized surface plasmon resonance; Electron transfer; SILVER NANOPARTICLES;
D O I：
10.1016/j.matlet.2022.132995
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Gold nanoparticles (Au NPs) are synthesized inside TiO2 crystal by Au+ ion implantation. The incorporation of Au+ ions in TiO2 brings out the modification of optical features of the bulk due to the localized surface plasmon resonance (LSPR) effect. The linear absorption spectra of Au NPs dispersed in TiO2 crystal possesses an ab-sorption peak at 638 nm. The third order optical nonlinearities of TiO2 with Au NPs are modulated with reduced saturation intensity and increased modulation depth, compared with pure TiO2 bulk. Our results pave a way to use TiO2 with embedded Au NPs for nonlinear photonic applications.
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页数：4
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