Copyright (c) 2015 AJC
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Preparation of Palladium-Graphene Nanocomposites and Reduction of Nitrophenols
Corresponding Author(s) : Weon Bae Ko
Asian Journal of Chemistry,
Vol. 27 No. 4 (2015): Vol 27 Issue 4
Abstract
Palladium nanoparticles were synthesized from palladium(II) chloride, trisodium citrate dihydrate and sodium borohydride with constant stirring. Palladium-graphene nanocomposites were prepared from the resulting palladium nanoparticles and graphene, which were reacted with polyallylamine with constant stirring for 1 h followed by ultrasonic irradiation for 3 h. The palladium-graphene nanocomposites were heated in an electric furnace at 700 °C for 2 h and characterized by X-ray diffraction, scanning electron microscopy and transmission electron microscopy. UV-visible spectrophotometry was used to evaluate the palladium-graphene nanocomposites as a catalyst to reduce 2-nitrophenol, 3-nitrophenol and 4-nitrophenol to 2-aminophenol, 3-aminophenol and 4-aminophenol with sodium borohydride.
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References
C.R. Hammond, The Elements, In: Handbook of Chemistry and Physics, edn. 81, CRC Press, ISBN 0-8493-0485-7 (2004).
M. Rezaei, S.H. Tabaian and D.F. Haghshenas, Electrochim. Acta, 87, 381 (2013); doi:10.1016/j.electacta.2012.09.092.
G. Wang, J. Bai, Y. Wang, Z. Ren and J. Bai, Scr. Mater., 65, 339 (2011); doi:10.1016/j.scriptamat.2011.05.001.
K.S. Novoselov, A.K. Geim, S.V. Morozov, D. Jiang, Y. Zhang, S.V. Dubonons, I.V. Grigorieva and A.A. Firson, Science, 306, 666 (2004); doi:10.1126/science.1102896.
W. Lu, R. Ning, X. Qin, Y. Zhang, G. Chang, S. Liu, Y. Luo and X. Sun, J. Hazard. Mater., 197, 320 (2011); doi:10.1016/j.jhazmat.2011.09.092.
Y. Li, Y. Yu, J. Wang, J. Song, Q. Li, M. Dong and C. Liu, Appl. Catal. B, 125, 189 (2012); doi:10.1016/j.apcatb.2012.05.023.
C. Gómez-Navarro, R.T. Weitz, A.M. Bittner, M. Scolari, A. Mews, M. Burghard and K. Kern, Nano Lett., 7, 3499 (2007); doi:10.1021/nl072090c.
L. Jiang, M. Yao, B. Liu, Q. Li, R. Liu, H. Lv, S. Lu, C. Gong, B. Zou, T. Cui, B. Liu, G. Hu and T. Wågberg, J. Phys. Chem. C, 116, 11741 (2012); doi:10.1021/jp3015113.
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C.N.R. Rao, A.K. Sood, K.S. Subrahmanyam and A. Govindaraj, Angew. Chem. Int. Ed., 48, 7752 (2009); doi:10.1002/anie.200901678.
O. Akhavan, Carbon, 49, 11 (2011); doi:10.1016/j.carbon.2010.08.030.
J. Du, X.Y. Lai, N.L. Yang, J. Zhai, D. Kisailus, F.B. Su, D. Wang and L. Jiang, ACS Nano, 5, 590 (2011); doi:10.1021/nn102767d.
Y.Y. Liang, Y.G. Li, H.L. Wang, J.G. Zhou, J. Wang, T. Regier and H. Dai, Nat. Mater., 10, 780 (2011); doi:10.1038/nmat3087.
Z.S. Wu, W.C. Ren, D.W. Wang, F. Li, B.L. Liu and H.M. Cheng, ACS Nano, 4, 5835 (2010); doi:10.1021/nn101754k.
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