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Study of Au-Ag alloy film based infrared surface plasmon resonance sensors

Zhang Zhe Liu Qian Qi Zhi-Mei

Study of Au-Ag alloy film based infrared surface plasmon resonance sensors

Zhang Zhe, Liu Qian, Qi Zhi-Mei
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  • Au-Ag alloy films deposited on the glass substrates are used, for the first time, as a wavelength-interrogated near infrared surface plasmon resonance (SPR) sensor. The values of resonance wavelength (λR) of the sensor at different angles of incidence are determined by absorptiometry and its refractive-index (RI) sensitivity is investigated using aqueous glucose solutions as the standard RI samples. As the incident angle increases from 7.5° to 9.5°, the SPR absorption peak shifts from λR = 1215 nm to 767.7 nm, the full width at half magnitude (FWHM) of the peak reduces from 292.8 nm to 131.4 nm, and the RI sensitivity decreases from 35648.3 nm/RIU down to 9363.6 nm/RIU. At the same initial λR, the SPR sensor with the Au-Ag alloy film shows a higher sensitivity than that with the pure Au film (S = 29793.9 nm/RIU at λR=1215 nm with a pure Au film). Adsorption of bovine serum album molecules from the aqueous solution of 1 μmol/L protein results in a redshift of ΔλR = 12.1 nm with the Au-Ag alloy film and ΔλR=9.5 nm with the pure Au film. The experimental data also indicate that the FWHM of the SPR absorption peak with the Au-Ag alloy film is larger than that at the same λR with the pure Au film, leading to a lower spectral resolution than that of the latter.
    • Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. 60978042, 61078039) and the National Basic Research Program of China (Grant No. 2009CB320300).
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    Homola J, Yee S S, Gauglitz G 1999 Sens. Actuators B 54 3

    [2]

    Boussaad S, Pean J, Tao N J 2000 Anal. Chem. 72 222

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    Qi Z M, Xia S H, Wei M D, Matsuda H, Zhou H S 2007 Appl. Opt. 46 7963

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    Mazumdar S D, Hartmann M, Kämpfer P, Keusgen M 2007 Biosens. Bioelectron. 22 2040

    [5]

    Shankaran D R, Gobi K V, Miura N 2007 Sens. Actuators B 121 158

    [6]

    Frischeisen J, Mayr C, Reinke N A, Nowy S, Brtting W 2008 Opt. Express 16 18426

    [7]

    Tanaka H, Hanasaki M, Isojima T, Takeuchi H, Shiroya T, Kawaguchi H, Shiroya T, Kawaguchi H 2009 J. Colloid Interface Sci. 70 259

    [8]

    Hodnik V, Anderluh G 2009 Sensors 9 1339

    [9]

    Chen X, Pan M, Jiang K 2010 Microelectron. Eng. 87 790

    [10]

    Huang Q, Wang J, Cao L R, Sun J, Zhang X D, Geng W D, Xiong S Z, Zhao Y 2010 Chin. Phys. Soc. 59 6532

    [11]

    Wu Y H, Hao P, Zhang P 2009 Chin. Phys. Soc. 58 1980

    [12]

    Zhong M L, Li S, Xiong Z H, Zhang Z Y 2012 Acta Phys. Sin. 61 027803 (in Chinese) [钟明亮, 李山, 熊祖洪, 张中月 2012 物理学报 61 027803]

    [13]

    Wu Y H, Hao P, Zhang P 2010 Acta Phys. Sin. 59 6532 (in Chinese) [吴一辉, 郝鹏, 张平2010物理学报 59 6532]

    [14]

    Hong X, Du D D, Qiu Z R, Zhang G X 2007 Acta Phys. Sin. 56 7219 (in Chinese) [洪 昕, 杜丹丹, 裘祖荣, 张国雄 2007 物理学报 56 7219]

    [15]

    Ong B H, Yuan X, Tjin S C 2007 Fiber and Integrated Optics 26 229

    [16]

    Zhai P, Guo J, Xiang J, Zhou F 2007 J. Phys. Chem. C 111 981

    [17]

    Zhu G, Li H, Clavero C, Yang K, Lukaszew R A, Podolskiy V A, Noginov M A 2009 Proceeding of the International Quantum Electronics Conference Baltimore, Maryland, May 31, 2009 pIFC4

    [18]

    Zhu J 2009 Nanoscale Res. Lett. 4 977

    [19]

    Lee K S, EI-Sayed M A 2006 J. Phys. Chem. B 110 19220

    [20]

    Hutter E, Fendler J H, Roy D 2001 J. Phys. Chem. B 105 11159

    [21]

    Zhou L, Yu X F, Fu X F, Hao Z H, Li K Y 2008 Chin. Phys. Lett. 25 1776

    [22]

    Http://www.reichertai.com/files/applications/1039637372.PDF[2012.7.18]

    [23]

    Zhang Z, Qi Z M 2010 Chin. J. Anal. Chem. 38 1538

    [24]

    Palik E D 1998 Handbook of Optical Constants of Solids (Vol.1) (San Diego: Academic)

  • [1]

    Homola J, Yee S S, Gauglitz G 1999 Sens. Actuators B 54 3

    [2]

    Boussaad S, Pean J, Tao N J 2000 Anal. Chem. 72 222

    [3]

    Qi Z M, Xia S H, Wei M D, Matsuda H, Zhou H S 2007 Appl. Opt. 46 7963

    [4]

    Mazumdar S D, Hartmann M, Kämpfer P, Keusgen M 2007 Biosens. Bioelectron. 22 2040

    [5]

    Shankaran D R, Gobi K V, Miura N 2007 Sens. Actuators B 121 158

    [6]

    Frischeisen J, Mayr C, Reinke N A, Nowy S, Brtting W 2008 Opt. Express 16 18426

    [7]

    Tanaka H, Hanasaki M, Isojima T, Takeuchi H, Shiroya T, Kawaguchi H, Shiroya T, Kawaguchi H 2009 J. Colloid Interface Sci. 70 259

    [8]

    Hodnik V, Anderluh G 2009 Sensors 9 1339

    [9]

    Chen X, Pan M, Jiang K 2010 Microelectron. Eng. 87 790

    [10]

    Huang Q, Wang J, Cao L R, Sun J, Zhang X D, Geng W D, Xiong S Z, Zhao Y 2010 Chin. Phys. Soc. 59 6532

    [11]

    Wu Y H, Hao P, Zhang P 2009 Chin. Phys. Soc. 58 1980

    [12]

    Zhong M L, Li S, Xiong Z H, Zhang Z Y 2012 Acta Phys. Sin. 61 027803 (in Chinese) [钟明亮, 李山, 熊祖洪, 张中月 2012 物理学报 61 027803]

    [13]

    Wu Y H, Hao P, Zhang P 2010 Acta Phys. Sin. 59 6532 (in Chinese) [吴一辉, 郝鹏, 张平2010物理学报 59 6532]

    [14]

    Hong X, Du D D, Qiu Z R, Zhang G X 2007 Acta Phys. Sin. 56 7219 (in Chinese) [洪 昕, 杜丹丹, 裘祖荣, 张国雄 2007 物理学报 56 7219]

    [15]

    Ong B H, Yuan X, Tjin S C 2007 Fiber and Integrated Optics 26 229

    [16]

    Zhai P, Guo J, Xiang J, Zhou F 2007 J. Phys. Chem. C 111 981

    [17]

    Zhu G, Li H, Clavero C, Yang K, Lukaszew R A, Podolskiy V A, Noginov M A 2009 Proceeding of the International Quantum Electronics Conference Baltimore, Maryland, May 31, 2009 pIFC4

    [18]

    Zhu J 2009 Nanoscale Res. Lett. 4 977

    [19]

    Lee K S, EI-Sayed M A 2006 J. Phys. Chem. B 110 19220

    [20]

    Hutter E, Fendler J H, Roy D 2001 J. Phys. Chem. B 105 11159

    [21]

    Zhou L, Yu X F, Fu X F, Hao Z H, Li K Y 2008 Chin. Phys. Lett. 25 1776

    [22]

    Http://www.reichertai.com/files/applications/1039637372.PDF[2012.7.18]

    [23]

    Zhang Z, Qi Z M 2010 Chin. J. Anal. Chem. 38 1538

    [24]

    Palik E D 1998 Handbook of Optical Constants of Solids (Vol.1) (San Diego: Academic)

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  • Received Date:  18 July 2012
  • Accepted Date:  26 October 2012
  • Published Online:  20 March 2013

Study of Au-Ag alloy film based infrared surface plasmon resonance sensors

  • 1. State Key Laboratory of Transducer Technology, Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China
Fund Project:  Project supported by the National Natural Science Foundation of China (Grant Nos. 60978042, 61078039) and the National Basic Research Program of China (Grant No. 2009CB320300).

Abstract: Au-Ag alloy films deposited on the glass substrates are used, for the first time, as a wavelength-interrogated near infrared surface plasmon resonance (SPR) sensor. The values of resonance wavelength (λR) of the sensor at different angles of incidence are determined by absorptiometry and its refractive-index (RI) sensitivity is investigated using aqueous glucose solutions as the standard RI samples. As the incident angle increases from 7.5° to 9.5°, the SPR absorption peak shifts from λR = 1215 nm to 767.7 nm, the full width at half magnitude (FWHM) of the peak reduces from 292.8 nm to 131.4 nm, and the RI sensitivity decreases from 35648.3 nm/RIU down to 9363.6 nm/RIU. At the same initial λR, the SPR sensor with the Au-Ag alloy film shows a higher sensitivity than that with the pure Au film (S = 29793.9 nm/RIU at λR=1215 nm with a pure Au film). Adsorption of bovine serum album molecules from the aqueous solution of 1 μmol/L protein results in a redshift of ΔλR = 12.1 nm with the Au-Ag alloy film and ΔλR=9.5 nm with the pure Au film. The experimental data also indicate that the FWHM of the SPR absorption peak with the Au-Ag alloy film is larger than that at the same λR with the pure Au film, leading to a lower spectral resolution than that of the latter.

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