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Received May 16, 2013
Accepted August 5, 2013
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Silver nanoparticles containing hybrid polymer microgels with tunable surface plasmon resonance and catalytic activity
Department of Chemistry, Quaid-I-Azam University, Islamabad 45320, Pakistan 1Institute of Chemistry, University of the Punjab, New Campus Lahore 54590, Pakistan
Korean Journal of Chemical Engineering, November 2013, 30(11), 2030-2036(7), 10.1007/s11814-013-0150-4
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Abstract
Multi-responsive poly(N-isoprpylacrlamide-methacrylic acid-acrylamide) [P(NIPAM-MAA-AAm)] copolymer microgel was prepared by free radical emulsion polymerization. Silver nanoparticles were fabricated inside the microgel network by in-situ reduction of silver nitrate. Swelling and deswelling behavior of the pure microgels was studied under various conditions of pH and temperature using dynamic light scattering. A red shift was observed in surface plasmon resonance wavelength of Ag nanoparticles with pH induced swelling of hybrid microgel. The catalytic activity of the hybrid system was investigated by monitoring the reduction of p-nitrophenol under different conditions of temperature and amount of catalysts. For this catalytic reaction a time delay of 8 to 10min was observed at room temperature, which was reduced to 2 min at high temperature due to swelling of microgels, which facilitated diffusion of reactants to catalyst surface and increased rate of reaction.
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References
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Bergbreiter DE, Case BL, Liu YS, Caraway JW, Macromolecules, 31(18), 6053 (1998)
Jones CD, Serpe MJ, Schroeder L, Lyon LA, J. Am. Chem. Soc., 125(18), 5292 (2003)
Kawaguchi H, Fujimoto K, Bioseparation., 7, 253 (1998)
Filali M, Meier MAR, Schubert US, Gohy JF, Langmuir, 21(17), 7995 (2005)
Chen CW, Chen MQ, Serizawa T, Akashi M, Adv. Mater., 10(14), 1122 (1998)
Pich A, Karak A, Lu Y, Ghosh AK, Adler HJP, Macromol. Rapid Commun., 27(5), 344 (2006)
Gangula A, Podila R, Ramakrishna M, Karanam L, Janardhana C, Rao AM, Langmuir, 27(24), 15268 (2011)
Zhang JG, Xu SQ, Kumacheva E, J. Am. Chem. Soc., 126(25), 7908 (2004)
Wunder S, Polzer F, Lu Y, Mei Y, Ballauff M, J. Phys. Chem.C., 114, 8814 (2010)
Du XY, He J, Zhu J, Sun LJ, An SS, Appl. Surf. Sci., 258(7), 2717 (2012)
Wu S, Dzubiella J, Kaiser J, Drechsler M, Guo X, Ballauff M, Lu Y, Angew. Chem. Int. Ed., 51, 2229 (2012)
Huang XJ, Xiao Y, Zhang W, Lang MD, Appl. Surf. Sci., 258(7), 2655 (2012)
Lu Y, Spyra P, Mei Y, Ballauff M, Pich A, Macromol. Chem.Phys., 208, 254 (2007)
Contreras-Caceres R, Sanchez-Iglesias A, Karg M, Pastoriza-Santos I, Perez-Juste J, Pacifico J, Hellweg T, Fernandez-Barbero A, Liz-Marzan LM, Adv. Mater., 20(9), 1666 (2008)
Liu YY, Liu XY, Yang JM, Lin DL, Chen X, Zha LS, Colloids Surf., A., 393, 105 (2012)
Farooqi ZH, Khan A, Siddiq M, Polym. Int., 60, 1481 (2011)
Wu W, Zhou T, Zhou S, Chem. Mater., 21, 2851 (2009)
Zhang JT, Pan CJ, Keller T, Bhat R, Gottschaldt M, Schubert US, Jandt KD, Macromol. Mater. Eng., 294, 396 (2009)
Zhang JT, Liu XL, Fahr A, Jandt K, Colloid. Polym. Sci., 286, 1209 (2008)
Wang C, Flynn NT, Langer R, Adv. Mater., 16(13), 1074 (2004)
Zhou SQ, Chu B, J. Phys. Chem. B, 102(8), 1364 (1998)
Farooqi ZH, Wu W, Zhou S, Siddiq M, Macromol. Chem.Phys., 212, 1510 (2011)
Shibayama M, Mizutani S, Nomura S, Macromolecules, 29(6), 2019 (1996)
Seno M, Lin M, Iwamoto K, Colloid. Polym. Sci., 269, 873 (1991)
Naeem H, Farooqi ZH, Shah LA, Siddiq M, J. Polym. Res.
Kratz K, Hellweg T, Eimer W, Colloids Surf., A., 170, 137 (2000)
Wu W, Zhou T, Berliner A, Banerjee P, Zhou S, Chem. Mater., 22, 1966 (2010)
Underwood S, Mulvaney P, Langmuir, 10(10), 3427 (1994)
Wiley BJ, Im SH, Li ZY, McLellan J, Siekkinen A, Xia YA, J. Phys. Chem. B, 110(32), 15666 (2006)
Jana S, Ghosh SK, Nath S, Pande S, Praharaj S, Panigrahi S, Basu S, Endo T, Pal T, Appl. Catal. A: Gen., 313(1), 41 (2006)
Deng YH, Cai Y, Sun ZK, Liu J, Liu C, Wei J, Li W, Liu C, Wang Y, Zhao DY, J. Am. Chem. Soc., 132(24), 8466 (2010)
Zhu Y, Shen J, Zhou K, Chen C, Yang X, Li C, J. Phys. Chem.C., 115, 1614 (2010)
Panigrahi S, Basu S, Praharaj S, Pande S, Jana S, Pal A, Ghosh SK, Pal T, J. Phys. Chem. C., 111, 4596 (2007)
Pradhan N, Pal A, Pal T, Colloids Surf., A., 196, 247 (2002)
Lu Y, Mei Y, Ballauff M, Drechsler M, J. Phys. Chem. B, 110(9), 3930 (2006)
Praharaj S, Nath S, Ghosh SK, Kundu S, Pal T, Langmuir, 20(23), 9889 (2004)
Mei Y, Sharma G, Lu Y, Ballauff M, Drechsler M, Irrgang T, Kempe R, Langmuir, 21(26), 12229 (2005)
Narayanan KB, Sakthivel N, J. Hazard. Mater., 189(1-2), 519 (2011)
