Precursor Based Tuning of the Nonlinear Optical Properties of Au-Ag Bimetallic Nanoparticles Doped in Oxy-fluoroborate Glasses

被引：0

作者：

Jagannathan, Abhiram ^{[1
,2
]}

Gangareddy, Jagannath ^{[3
]}

Rajaramakrishna, R. ^{[1
]}

Rajashekara, K.M. ^{[2
]}

Rao, S. Venugopal ^{[4
]}

Kaewkhao, J. ^{[5
]}

Kothan, S. ^{[6
]}

El-Denglawey, A. ^{[7
,8
]}

机构：

[1] Department of Physics (P.G.), The National College, Jayanagar, Bangalore,Karnataka,560070, India

[2] Department of Physics, SJC Institute of Technology, Chickaballapura,Karnataka,562101, India

[3] Department of Physics, KSIT, Bangalore,Karnataka,560109, India

[4] Advanced Centre of Research in High Energy Materials (ACRHEM), University of Hyderabad, Hyderabad,Telangana,500046, India

[5] Center of Excellence in Glass Technology and Materials Science (CEGM), Nakhon Pathom Rajabhat University, Nakhon Pathom,73000, Thailand

[6] Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai,50200, Thailand

[7] Department of Physics, college of University college at Turabah, Taif University, P.O. box 11099, Taif,21944, Saudi Arabia

[8] Nano & Thin Film Lab., Department of Physics, Faculty of Science, South Valley University, Qena,83523, Egypt

来源：

Journal of Non-Crystalline Solids | 2021年 / 561卷

关键词：

Ag$++$ - Bimetallic nanoparticles - Fluoroborate glass - Gold and silver nanoparticles - matrix - Nonlinear optical properties - Optical limiting - Optical- - Surface-plasmon resonance;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

This work brings out the importance of precursors (AgNO3, AgCl, and AgI) that involve in tailoring the optical properties for the Au-Ag bimetallic nanoparticles doped in the dichroic glasses. The incorporation of silver nanoparticles in 20Li2O-15CaF2-20ZnO-45B2O3 matrix along with gold has reduced the average size of nanoparticle and has enhanced the nonlinear refractive index. The absorption spectra hints that there could be the possibility of surface plasmon resonance (SPR) overlap of Ag and Au as there is no prominent peak of Ag nanoparticles in the blue region. It is found that the sample doped with Au-AgNO3 has lesser bandgap energy compared to Au-AgCl and Au-AgI respectively which had thereby increased more NBO's in the matrix which in turn results in better nonlinear optical properties for Au-Ag NO3. © 2021

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