Preparation and Characterization of Ag-TiO<sub>2</sub> Core-Shell-Type Nanoparticles

Young Hwan Kim; Young Soo Kang; Beong Gi Jo

Journal of Industrial and Engineering Chemistry, Vol.10, No.5, 739-744, September, 2004

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Preparation and Characterization of Ag-TiO₂ Core-Shell-Type Nanoparticles

Young Hwan Kim, Young Soo Kang^†, and Beong Gi Jo¹

Department of Chemistry, Pukyong National University, Busan 608-737, Korea
¹R&D Center, Coreana Cosmetics Co., Ltd., Cheoan-si, 330-830, Korea

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Ag nanoparticles were synthesized by thermal decompositon of an Ag-oleate complex by using anelectric furnace (autoclave) at 300℃ for 4 hrs. The particles were characterized by using a UV-vis spectrophotometer, a transmission electron microscope (TEM), and an X-ray powder diffractometer (XRD). The synthesized Ag nanoparticles were used as seeds for Ag-TiO₂ nanoparticles, which had core-shell structures. TEM images of the Ag-TiO₂ nanoparticles showed that the silver core was coated with titanium oxide. Ag-TiO₂ nanoparticles composed of a silver core (20-nm diameter) coated with titanium dioxide (less than 5nm layer) were produced by a sol-gel process.

Keywords:Ag Nanoparticles;Ag-TiO₂ Nanoparticles;Core/Shell Structure

[References]

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George C, Konstantin S, Therese MC, J. Phys. Chem., 100, 5166 (1996)
Huang JB, Yang R, Zhu BY, He X, Fu HL, Colloids Surf., 174, 403 (2000)
Tadmor R, Rosensweig RE, Frey J, Klein J, Langmuir, 16(24), 9117 (2000)
Mulvaney P, Langmuir, 12(3), 788 (1996)
Kreibig U, Vollmer M, Optical Properties of Metal Clusters (1995)
Tom RT, Nair AS, Singh N, Aslam M, Nagendra CL, Philip R, Vijayamohanan K, Pradeep T, Langmuir, 19(8), 3439 (2003)

[Referenced By]

[1] Drexler KE, Sci. Am., 285, 74 (2001)

[2] Spurgeon D, Nature, 412, 846 (2001)

[3] Forrest DR, IEEE Instrum. Meas. Mag., 4, 11 (2001)

[4] Forster S, Antonietti M, Adv. Mater., 10, 195 (1998)

[5] Moffit M, Eisenberg A, Chem. Mater., 7, 1178 (1995)

[6] Ghosh K, Maiti SN, J. Appl. Polym. Sci., 60(3), 323 (1996)

[7] Andres RP, Bielfeld JD, Henderson JI, Science, 273, 1960 (1996)

[8] Toshima N, in Fine Particle Science andd Technology, and E. Ed. Pelizzetti, NANO ASI. Series 3. High Technology, 12, 371 (1996)

[9] Gutirrez M, Henglein A, J. Phys. Chem., 97, 11368 (1993)

[10] Dabbousi BO, Rodriguez-Viejo J, Milulec FV, Heine JR, Mattoussi H, Ober R, Jensen KF, Bawendi MG, J. Phys. Chem. B, 101, 943 (1997)

[11] Pastoriza-Santos I, Liz-Marzan LM, Langmuir, 15(4), 948 (1999)

[12] Pastoriza-Santos I, Koktysh DS, Mamedov AA, Giersig M, Kotov NA, Liz-Marzan LM, Langmuir, 16(6), 2731 (2000)

[13] Choi W, Lee J, Kim S, Hwang S, Lee MC, Lee TK, J. Ind. Eng. Chem., 9(1), 96 (2003)

[14] Lee GH, Lee MS, Lee GD, Kim YH, Hong SS, J. Ind. Eng. Chem., 8(6), 572 (2002)

[15] Tobin EJ, Bambauer R, Ther. Apher. Dial., 7, 504 (2003)

[16] Balogh L, Swanson DR, Tomalia DA, Hagnauer GL, Mcmanus AT, Nano Lett., 1, 18 (2001)

[17] Hoffmann MR, Martin ST, Choi WY, Bahnemann DW, Chem. Rev., 95(1), 69 (1995)

[18] Richardson SD, Environ. Sci. Technol., 30, 3327 (1996)

[19] Yu JC, Ho W, Lin J, Yip H, Wong PK, Environ. Sci. Technol., 37, 2296 (2003)

[20] Yu JC, Yu J, Ho W, Chem. Commun., 19, 1942 (2001)

[21] Hong SS, Lee MS, Kim JH, Ahn BH, Lim KT, Lee GD, J. Ind. Eng. Chem., 8(2), 150 (2002)

[22] Magudapathy P, Gangopadhyay BK, Physica B, 299, 142 (2001)

[23] George C, Konstantin S, Therese MC, J. Phys. Chem., 100, 5166 (1996)

[24] Huang JB, Yang R, Zhu BY, He X, Fu HL, Colloids Surf., 174, 403 (2000)

[25] Tadmor R, Rosensweig RE, Frey J, Klein J, Langmuir, 16(24), 9117 (2000)

[26] Mulvaney P, Langmuir, 12(3), 788 (1996)

[27] Kreibig U, Vollmer M, Optical Properties of Metal Clusters (1995)

[28] Tom RT, Nair AS, Singh N, Aslam M, Nagendra CL, Philip R, Vijayamohanan K, Pradeep T, Langmuir, 19(8), 3439 (2003)