Nonlinear optical response of zinc oxide nanorods with gold and silver alloy embedment

被引：6
作者：
Fahri, Muhammad Aiman Saufi Ahmad [1 ,2 ]
Rohizat, Nurul Syazwani [1 ]
Yudiana, Aditya [3 ]
Fauzia, Vivi [3 ]
Khudus, Muhammad Imran Mustafa Abdul [2 ]
Zakaria, Rozalina [1 ]
机构：
[1] Univ Malaya, Fac Sci, Photon Res Ctr, Kuala Lumpur 50603, Malaysia
[2] Univ Malaya, Fac Sci, Dept Phys, Kuala Lumpur 50603, Malaysia
[3] Univ Indonesia, Dept Fis, Fak MIPA, Depok 16424, Indonesia
来源：
PHYSICA B-CONDENSED MATTER | 2022年 / 637卷
关键词：
ZnO-Nanorods; Au and Ag NPs; Femtosecond laser; Nonlinear optical properties; Z-SCAN TECHNIQUE; METAL NANOPARTICLES; ZNO NANOPARTICLES; THIN-FILMS; PHOTOLUMINESCENCE; ABSORPTION;
D O I：
10.1016/j.physb.2022.413899
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
In this work, we investigated the nonlinear optical (NLO) response using ZnO nanorods with integration of gold and silver alloys. The thin films of ZnO-nanorods-Au-Ag were chemically synthesized on glass substrate and characterized using FE-SEM, UV-Vis, and XRD, for their morphology, linear absorption, band gap, and lattice structure. NLO were analysed using Z-scan technique at 720 nm fs laser for open and closed aperture; referring to nonlinear absorption and nonlinear refractive index, respectively. The highest nonlinear absorption was observed in ZnO-Au NPs with beta = 5.60 x 10(-6) cm/W, and highest value of nonlinear refractive index was observed in ZnO-Au3Ag1 NPs with gamma = 15.28 x 10(-12) cm(2)/W. The third-order nonlinear susceptibility was observed the highest in ZnO-Au NP with chi((3)) = 14.62 x 10(-10) esu, shows great enhancement compared to ZnO NRs. NLO of a material are one of the important part of research that would provide good understanding towards optical devices and applications.
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页数：7
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