Preparation and Spectral Analysis of Gold Nanoparticles Using Magnetron Sputtering and Thermal Annealing

查看全文 作　　者：[1,2]李保家;HUANG [1,2]Lijing;[1,2]周明;FAN [1,2]Xiaomeng;MA [2]Ming

机构地区：[1]School of Materials Science and Engineering, Jiangsu University;[2]Jiangsu Provincial Key Laboratory of Center for Photon Manufacturing Science and Technology, Jiangsu University

出　　处：《Journal of Wuhan University of Technology(Materials Science)》索引2014年第29卷第4期,共5页

基　　金：Funded by the National Key Basic Research Development Program of China(973 Program,No.2011CB013000);the Senior Talent Research Foundation of Jiangsu University(No.13JDG045);the Open Research Fund Program of Jiangsu Provincial Key Laboratory of Center for Photon Manufacturing Science and Technology(No.GZ201307);the Jiangsu Province Research Innovation Program of College Graduate(No.CXZZ13_0663) 摘　　要：Gold(Au) nanoparticles were prepared on Au-fi lm-coated K9 glass and silicon substrates by direct current(DC) magnetron sputtering and thermal annealing treatment. The effects of substrate material, annealing temperature, and time on morphologies of Au nanoparticles were investigated, and the formation mechanism of Au nanoparticles was discussed. The experimental results indicate that silicon substrate is more suitable for the formation of Au nanoparticles. On a silicon substrate, Au nanoparticles formed with good spherical shapes at temperature over 700 ℃. It was also found by spectral analysis that the fi eld enhancement factor of the island-shaped Au particles was smaller than that of the granular Au particles; the better the spherical shape as well as the smaller the size and spacing of Au particles, the higher the light absorption rate; the absorption peak had a red shift with increasing particle size and spacing. 关键词：金纳米粒子热退火处理光谱分析磁控溅射制备纳米颗粒退火温度场增强因子

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Preparation and Spectral Analysis of Gold Nanoparticles Using Magnetron Sputtering and Thermal Annealing

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