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Three kinds of polystyrene spheres with different sizes were fabricated on glasses by drifting method of nanosphere lithography. Au thin films with various thicknesses were prepared by magnetron sputtering under controlled deposition time. Triangle-shaped Au nanoparticles array in three different heights after removing the PS template were observed using scanning electron microscopy. The absorption characteristics of all samples were measured by ultraviolet-visible spectrophotometer. Surface plasmon resonance peak was seen to shift to the longer wavelength with increasing diameter of Au nanoparticles. And the surface plasmon resonance peak was shifted to the shorter wavelength with increasing height of Au nanoparticles. Based on Mie theory, we simulated the extinction properties, which vary with the diameter of Au nanoparticles, using Matlab software. The conclusion is in accordance with our experimental results.
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Keywords:
- nanosphere lithography /
- Au nanoparticles array /
- plasmon resonance
[1] Stern E A, Ferrell R A 1960 Phys. Rev. 120 130
[2] Zhang S X, Gao S Y, Yang S X, Zhang H 2008 Chemical Bulletin 8 601 (in Chinese) [张树霞, 高书燕, 杨恕霞, 张洪 2008 化学通报 8 601]
[3] Haynes C L, Van Duyne R P 2001 J. Phys. Chem. B 105 5599
[4] Zhong Z Y, Liu S, Zhao W D, Li M J, Zhang H W 2005 J. Funct. Mater. 36 1312 (in Chinese) [钟智勇, 刘爽, 赵文多, 李敏姬, 张怀武 2005 功能材料 36 1312]
[5] Mie G 1908 Ann. Phys. 25 377
[6] Gans R 1915 Physik 47 270
[7] Purcell E M, Pennypacker G R 1973 Astrophys. J 186 705
[8] Novotny L, Pohl D W, Hecht B 1995 Opt. Lett. 20 970
[9] Kottmann J P, Martin O J F, Smith E R 2001 Phys. Rev. B 64 1
[10] Wang K, Yang G, Long H, Li Y H, Dai N L, Lu P X 2008 Acta.P hys. Sin. 57 3862 (in Chinese) [王凯, 杨光, 龙华, 李玉华, 戴能利, 陆培祥 2008 物理学报 57 3862]
[11] Gao T R, Chen Z Y, Peng Y, Li F S 2002 Chin. Phys. 11 1307
[12] Zhao J, Anatoliy, Pinchuk. O 2008 American Chemical Society 41 12
[13] Johnson P B, Christy R W 1972 Phys. Rev. B 12 4370
[14] Galina N, Raman K 2006 Opt. Lett. 14 2118
[15] Christian Mätzler 2002 Ph.D. Dissertation (Bern: University of Bern.)
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[1] Stern E A, Ferrell R A 1960 Phys. Rev. 120 130
[2] Zhang S X, Gao S Y, Yang S X, Zhang H 2008 Chemical Bulletin 8 601 (in Chinese) [张树霞, 高书燕, 杨恕霞, 张洪 2008 化学通报 8 601]
[3] Haynes C L, Van Duyne R P 2001 J. Phys. Chem. B 105 5599
[4] Zhong Z Y, Liu S, Zhao W D, Li M J, Zhang H W 2005 J. Funct. Mater. 36 1312 (in Chinese) [钟智勇, 刘爽, 赵文多, 李敏姬, 张怀武 2005 功能材料 36 1312]
[5] Mie G 1908 Ann. Phys. 25 377
[6] Gans R 1915 Physik 47 270
[7] Purcell E M, Pennypacker G R 1973 Astrophys. J 186 705
[8] Novotny L, Pohl D W, Hecht B 1995 Opt. Lett. 20 970
[9] Kottmann J P, Martin O J F, Smith E R 2001 Phys. Rev. B 64 1
[10] Wang K, Yang G, Long H, Li Y H, Dai N L, Lu P X 2008 Acta.P hys. Sin. 57 3862 (in Chinese) [王凯, 杨光, 龙华, 李玉华, 戴能利, 陆培祥 2008 物理学报 57 3862]
[11] Gao T R, Chen Z Y, Peng Y, Li F S 2002 Chin. Phys. 11 1307
[12] Zhao J, Anatoliy, Pinchuk. O 2008 American Chemical Society 41 12
[13] Johnson P B, Christy R W 1972 Phys. Rev. B 12 4370
[14] Galina N, Raman K 2006 Opt. Lett. 14 2118
[15] Christian Mätzler 2002 Ph.D. Dissertation (Bern: University of Bern.)
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