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Facile synthesis of the SiO2/Au hybrid microspheres for excellent catalytic performance

  • Xin-Hui Liu (a1), Bin-Bin Ding (a2), Yan Zhu (a3), Tai-Ya Wang (a3), Bi-Cui Chen (a3), Yong Shao (a3), Ming-Qi Chen (a4), Pan Zheng (a4), Yu-Ling Zhao (a5) and Hai-Sheng Qian (a6)...


Au nanoparticles (Au NPs) have attracted much interest owing to their unique optical properties. In this paper, a facile process has been successfully developed to synthesize the SiO2/Au hybrid microspheres with a diameter of 200 nm via the galvanic replacement of SiO2/Ag hybrid microspheres and chlorauric acid (HAuCl4) solution. The as-prepared products were investigated by x-ray diffraction (XRD), field-emission scanning electron microscopy (FESEM, JEOL-6700F), and transmission electron microscopy (TEM, JEOL 3010), respectively. As expected, the as-prepared SiO2/Au hybrid microspheres show strong chemical stability and superior catalytic reduction of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP). The SiO2/Au hybrid microspheres would be found widely used in wastewater treatment, catalytic reaction, bacteriostatic and bactericidal applications.


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1. Giovanni, M., Poh, H.L., Ambrosi, A., Zhao, G.J., Sofer, Z., Šaněk, F., Khezri, B., Webster, R.D., and Pumera, M.: Noble metal (Pd, Ru, Rh, Pt, Au, Ag) doped graphene hybrids for electrocatalysis. Nanoscale 4, 5002 (2012).
2. Tian, N., Zhou, Z.Y., Sun, S.G., Ding, Y., and Wang, Z.L.: Synthesis of tetrahexahedral platinum nanocrystals with high-index facets and high electro-oxidation activity. Science 316, 732 (2007).
3. Alessandri, I., Ferroni, M., and Depero, L.E.: Plasmonic heating-assisted transformation of SiO2/Au core/shell nanospheres (Au nanoshells): Caveats and opportunities for SERS and direct laser writing. Plasmonics 8, 129 (2013).
4. Jean, R.D., Chiu, K.C., Chen, T.H., Chen, C.H., and Liu, D.M.: Functionalized silica nanoparticles by nanometallic Ag decoration for optical sensing of organic molecule. J. Phys. Chem. C 114, 15633 (2010).
5. Murray, C.B., Sun, S., Doyle, H., and Betley, T.: Monodisperse 3d transition-metal (Co, Ni, Fe) nanoparticles and their assembly into nanoparticle superlattices. Mater. Res. Soc. Bull. 26, 985 (2001).
6. Liu, A.X., Sun, L., Zhao, Y.B., and Zhang, Z.J.: Preparation and antibacterial properties of the core-shell structure SiO2@Ag nanoparticles. Curr. Nanosci. 8, 861 (2012).
7. Huang, X.H., EI-Sayed, I.H., Qian, W., and EI-Sayed, M.A.: Cancer cell imaging and photothermal therapy in the near-infrared region by using gold nanorods. J. Am. Chem. Soc. 128, 2115 (2006).
8. Zijlstra, P., Chon, J.W.M., and Gu, M.: Five-dimensional optical recording mediated by surface plasmons in gold nanorods. Nature 459, 410 (2009).
9. Zhang, C.Q., Yang, Q.B., Zhan, N.Q., Sun, L., Wang, H.G., Song, Y., and Li, Y.X.: Silver nanoparticles grown on the surface of PAN nanofiber: Preparation, characterization and catalytic performance. Colloids Surf., A 362, 58 (2012).
10. Qian, K., Luo, L.F., Bao, H.Z., Hua, Q., Jiang, Z.Q., and Huang, W.X.: Catalytically active structures of SiO2-supported Au nanoparticles in low-temperature CO oxidation. Catal. Sci. Technol. 3, 679 (2013).
11. Nikabadil, H.R., Shahtahmasebil, N., Rokn-Abadil, M.R., Mohagheghi, M.M.B., and Goharshadi, E.K.: Gradual growth of gold nanoseeds on silica for SiO2@gold homogeneous nano core/shell applications by the chemical reduction method. Phys. Scr. 87, 025802 (2013).
12. Li, Y., Zhang, B.P., Zhao, C.H., Zou, L., and Zhao, J.X.: Synthesis and optical absorption properties of Au-Ag nanoparticle bimetal dispersed SiO2 composite films. J. Mater. Res. 29, 221 (2014).
13. You, L., Mao, Y.W., and Ge, J.P.: Synthesis of stable SiO2@Au-nanoring colloids as recyclable catalysts: Galvanic replacement taking place on the surface. J. Phys. Chem. C 116, 10753 (2012).
14. Kim, J., Park, S., Lee, J.E., Jin, S.M., Lee, J.H., Lee, I.S., Yang, I., Kim, J.S., Kim, S.K., Cho, M.H., and Hyeon, T.: Designed fabrication of multifunctional magnetic gold nanoshells and their application to magnetic resonance imaging and photothermal therapy. Angew. Chem., Int. Ed. 45, 7754 (2006).
15. Srnová-Šloufová, I., Vlčková, B., Bastl, Z., and Hasslett, T.L.: Bimetallic (Ag)Au nanoparticles prepared by the seed growth method: Two-dimensional assembling, characterization by energy dispersive x-ray analysis, x-ray photoelectron spectroscopy, and surface enhanced Raman spectroscopy, and proposed mechanism of growth. Langmuir 20, 3407 (2004).
16. Mandal, S., Selvakannan, P.R., Phadtare, S., Pasricha, R., and Sastry, M.: Synthesis of stable gold hydrosol by the reduction of chloroaurate ions by the amino acid, aspartic acid. Proc. Indian Acad. Sci., Chem. Sci. 114, 513 (2002).
17. Yang, L.N. and Qi, M.L.: Rapid fabrication of confined Au nanoparticles with tunable sizes and morphologies by a simple glucose-assisted vacuum impregnation method. Mater. Lett. 98, 74 (2013).
18. Adhyapak, P.V., Singh, N., Vijayan, A., Aiyer, R.C., and Khanna, P.K.: Single mode waveguide properties of m-NA doped Au/PVA nano-composites: Synthesis, characterization and studies. Mater. Lett. 61, 3456 (2007).
19. Chen, M.S. and Goodman, D.W.: The structure of catalytically active gold on titania. Science 306, 252 (2004).
20. Falsig, H., Hvolbæk, B., Kristensen, I.S., Jiang, T., Bligaard, T., Christensen, C.H., and Nørskov, J.K.: Trends in the catalytic CO oxidation activity of nanoparticles. Angew. Chem., Int. Ed. 47, 4835 (2008).
21. Lu, W.B., Ning, R., Qin, X.Y., Zhang, Y.W., Chang, G.H., Liu, S., Luo, Y.L., and Sun, X.P.: Synthesis of Au nanoparticles decorated graphene oxide nanosheets: Noncovalent functionalization by TWEEN 20 in situ reduction of aqueous chloroaurate ions for hydrazine detection and catalytic reduction of 4-nitrophenol. J. Hazard. Mater. 197, 320 (2011).
22. Zhou, J., Ren, F., Wu, W., Zhang, S.F., Xiao, X.H., Xu, J.X., and Jiang, C.Z.: Controllable synthesis and catalysis application of hierarchical PS/Au core–shell nanocomposites. J. Colloid Interfaces Sci. 387, 47 (2012).
23. Tang, S.C., Vongehr, S., Zheng, Z., Liu, H.J., and Meng, X.K.: Silver doping mediated route to bimetallically doped carbon spheres with controllable nanoparticle distributions. J. Phys. Chem. C 114, 18338 (2010).
24. Anka, F.H., Perera, S.D., Ratanatawanate, C., and Balkus, K.J.: Polyacrylonitrile gold nanoparticle composite electrospun fibers prepared by in situ photoreduction. Mater. Lett. 75, 12 (2012).
25. Malynych, S. and Chumanov, G.: Light-induced coherent interactions between silver nanoparticles in two-dimensional arrays. J. Am. Chem. Soc. 125, 2896 (2003).
26. Hu, J.L., Luo, L.B., Yang, X.Z., Yao, R.S., Zhang, H.B., and Qian, H.S.: Silica-based hybrid microspheres: Synthesis, characterization and wastewater treatment. RSC Adv. 3, 25620 (2013).
27. Hu, J.L., Yang, Q.H., Lin, H., Ye, Y.P., He, Q., Zhang, J.N., and Qian, H.S.: Mesoporous nanospheres decorated with CdS nanocrystals for enhanced photocatalytic and excellent antibacterial activities. Nanoscale 5, 6327 (2013).
28. Liu, X.H., Cao, Y.Y., Peng, H.Y., Qian, H.S., Yang, X.Z., and Zhang, H.B.: Silica/ultrasmall Ag composite microspheres: Facile synthesis, characterization and antibacterial and catalytic performance. CrystEngComm 16, 2365 (2014).
29. Huang, J.F., Vongehr, S., Tang, S.C., Lu, H.M., Shen, J.C., and Meng, X.K.: Ag dendrite-based Au/Ag bimetallic nanostructures with strongly enhanced catalytic activity. Langmuir 25, 11890 (2009).
30. Liusman, C., Li, S.Z., Chen, X.D., Wei, W., Zhang, H., Schatz, G.C., Boey, F., and Mirkin, C.A.: Free-standing bimetallic nanorings and nanoring arrays made by on-wire lithography. ACS Nano 4, 7676 (2010).
31. Xia, X., Wang, Y., Ruditskiy, A., and Xia, Y.: Galvanic replacement: A simple and versatile route to hollow nanostructures with tunable and well-controlled properties. Adv. Mater. 25, 6313 (2013).
32. Cao, M., Zhou, L., Xu, X., Cheng, S., Yao, J.L., and Fan, L.J.: Galvanic replacement approach for bifunctional polyacrylonitrile/Ag-M (M = Au or Pd) nanofibers as SERS-active substrates for monitoring catalytic reactions. J. Mater. Chem. A 1, 8942 (2013).
33. Lampre, I., Pernot, P., and Mostafavi, M.: Spectral properties and redox potentials of silver atoms complexed by chloride ions in aqueous solution. J. Phys. Chem. B 104, 6233 (2000).
34. Kim, J.H., Bryan, W.W., Chung, H.W., Park, C.Y., Jacobson, A.J., and Lee, T.R.: Gold, palladium, and gold-palladium alloy nanoshells on silica nanoparticle cores. ACS Appl. Mater. Interfaces 1, 1063 (2009).
35. Mo, Y., Li, F.H., Zheng, B.Z., Yuan, H.Y., Xiao, D., and Choi, M.M.F.: Flower-shaped gold crystals grown on anodic etched porous silicon. Mater. Lett. 86, 100 (2012).
36. Chen, Y., Chen, H.R., Guo, L.M., He, Q.J., Chen, F., Zhou, J., Feng, J.W., and Shi, J.L.: Hollow/rattle-type mesoporous nanostructures by a structural difference-based selective etching strategy. ACS Nano 4, 529 (2010).
37. Tunc, I., Suzer, S., and Correa-Duarte, M.A., and Liz-Marzán, L.M.: XPS characterization of Au (core)/SiO2 (shell) nanoparticles. J. Phys. Chem. B 109, 7597 (2005).
38. Du, Y., Chen, H., Chen, R., and Xu, N.: Synthesis of p-aminophenol from p-nitrophenol over nano-sized nickel catalysts. Appl. Catal., A 277, 259 (2004).
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