多层金属纳米点阵的制备及其光学性质的研究

周振婷; 杨理; 姚洁; 叶燃; 徐欢欢; 叶永红

doi:10.7498/aps.62.188104

摘要

采用纳米球刻蚀法结合热蒸发技术制备了银和氧化硅交替层叠的纳米颗粒阵列. 扫描隧道显微镜测量结果表明, 该纳米阵列呈锥形多层结构. 分光光度计测量样品表明, 该纳米阵列在近红外波段存在明显的透射谷, 该透射谷来源于金属纳米颗粒局域等离激元的激发, 随着金属/介质层数的增多, 透射谷的位置向短波方向移动. 利用HFSS软件对该纳米阵列进行了仿真, 并分析了透射谷蓝移的原因.

关键词:

We use nanosphere lithography and thermal evaporation techniques to fabricate multilayer metal-dielectric cone nanoparticle arrays. Scanning electron microscope measurements reveal that the ordered nanoparticles are of triangular shapes. Optical transmittance measurements show that there is a transmittance dip for each sample, and the transmittance dip is caused by the localized surface plasmon resonance of the metal/dielectric particles. With the increase of the number of the metal/dielectric layers of a sample, the position of the transmittance dip of the sample shows a blue-shift. Moreover, the transmittance spectrum and the electric field distribution of the metal/dielectric nanoparticles are simulated by HFSS, and the electric field distribution is used to explain the blue-shift phenomenon.

Keywords:

作者及机构信息

1.
南京师范大学物理科学与技术学院, 南京 210046

基金项目: 教育部博士点基金(批准号:20093207110012)资助的课题.

Authors and contacts

1.
School of Physical Science and Technology, Nanjing Normal University, Nanjing 210046, China

Funds: Project supported by the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20093207110012).

参考文献

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[21]	Ma W Y, Yang H, Hilton J P, Lin Q, Liu J Y, Huang L X, Yao J 2010 Opt. Express 18 843

施引文献

[1]	Willets K A, van Duyne R P 2007 Annu. Rev. Phys. Chem. 58 267
[2]	Jensen T R, Malinsky M D, Haynes C L, van Duyue R P, Haglund Jr R F, Yang L, Magruder III R H, Wittig J E 2000 J. Phys. Chem. B 104 10549
[3]	Wang K, Yang G, Long H, Li Y H, Dai N L, Lu P X 2008 Acta Phys. Sin. 57 386 (in Chinese) [王凯, 杨光, 龙华, 李玉华, 戴能利, 陆培祥 2008 物理学报 57 386]
[4]	Fukumi K, Chayahara A, Kadono K, Sakaguchi T, Horino Y, Miya M, Fujii K, Hayakawa J, Satou M 1994 J. Appl. Phys. 75 3075
[5]	Huang W, Qian W, E-l Sayed M A 2005 J. Phys. Chem. B 109 18881
[6]	Haes A J, Hall W P, Chang L, Klein W L, van Duyne R P 2004 Nano Lett. 4 1029
[7]	Feldstein M J, Keating C D, Liau Y H, Natan M J, Scherer N F 1997 J. Am. Chem. Soc. 119 6638
[8]	Jensen Fukumi K, Chayahara A, Kadono K, Sakaguchi T, Horino Y, Miya M, Fujii K, Hayakawa J, Satou M 1994 J. Appl. Phys. 75 3075
[9]	Haglund Jr R F, Yang L, Magruder III R H, Wittig J E, Becker K, Zuhr R A 1993 Opt. Lett. 18 373
[10]	Wang W, Wang Y, Sun Y 2007 Appl. Sur. Sci. 253 4673
[11]	Chien W Y, Szkopek T 2008 Opt. Express 16 1820
[12]	Aizpurua J, Hanarp P, Sutherland D S, Käll M, Garnett W B, García de Abajo F J 2003 Phys. Rev. Lett. 90 057401
[13]	Jin R C, Cao Y, Mirkin C A, Kelly K L, Schatz G C, Zheng J G 2001 Science 294 1901
[14]	Su K H, Wei Q H, Zhang X 2006 Appl. Phys. Lett. 88 063118
[15]	Jeyaram Y, Jha S K, Agio M, Löffler J F, Ekinci Y 2010 Opt. Lett. 35 10
[16]	Ma W Y, Yao J, Yang H, Liu J Y 2010 Nanotechnology and Precision Engineering 8 240
[17]	Yang X Y, Yao J, Junsuk Rho, Yin X B, Zhang X 2012 Nature Photon. 6 450
[18]	Sun J, Tang C J, Zhan P, Han Z L, Cao Z S, Wang Z L 2010 Langmuir 26 7859
[19]	Iwami K, Ono T, Esashi M 2006 J. Microelectromech. Syst. 15 1201-8
[20]	Huang Q, Zhang X D, Wang S, Cao L R, Sun J D, Geng W D, Xiong S Z, Zhao Y 2009 Acta Phys. Sin. 58 2731 (in Chinese) [黄茜, 张晓丹, 王烁, 曹丽冉, 孙建东, 耿卫东, 熊绍珍, 赵颖 2009 物理学报 58 2731]
[21]	Ma W Y, Yang H, Hilton J P, Lin Q, Liu J Y, Huang L X, Yao J 2010 Opt. Express 18 843

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