The Role of Oxygen in Synthesizing Monodisperse Silver Nanocubes
Bakul Gupta A , Will Rouesnel A and J. Justin Gooding A BA School of Chemistry, The University of New South Wales, Kensington, Sydney, NSW 2052, Australia.
B Corresponding author. Email: justin.gooding@unsw.edu.au
Australian Journal of Chemistry 64(11) 1488-1493 https://doi.org/10.1071/CH11241
Submitted: 14 June 2011 Accepted: 14 July 2011 Published: 23 August 2011
Abstract
In this work, we report on silver nanocubes prepared by using the conventional polyol synthesis in the presence of hydrochloric acid and oxygen. We found that by controlling the headspace oxygen concentration in the sample vial at a temperature of 140°C, monodisperse silver nanocubes of 100–115 nm in edge length were produced. A specific headspace oxygen concentration along with the chloride ions promoted the oxidative etching of twinned particles so that only single crystal cubes were produced. At lower oxygen concentrations, nanorods and wires were obtained whereas at very high concentrations all the particles were completely etched away resulting in a solution with no nanoparticles. Electron diffraction and X-ray diffraction analysis was employed to study the structural characterization. Scanning electron microscopy was used to examine the morphology of the silver nanoparticles.
References
[1] Y. Xia, Y. Xiong, B. Lim, S. E. Skrabalak, Angew. Chem. Int. Ed. 2008, 2.[2] R. Jin, C. A. Mirkin, K. L. Kelly, G. G. Schatz, J. G. Zheng, Science 2001, 294, 1901.
| Crossref | GoogleScholarGoogle Scholar |
[3] C. J. Murphy, Adv. Mater. 2002, 14, 80.
| Crossref | GoogleScholarGoogle Scholar |
[4] N. R. Jana, C. J. Murphy, J. Phys. Chem. B 2001, 105, 4065.
| Crossref | GoogleScholarGoogle Scholar |
[5] M. Rycenga, J. M. McLellan, Y. Xia, Adv. Mater. 2008, 9999, 1.
[6] W. Hou, N. A. Dehm, R. W. Scott, J. Catal. 2008, 253, 22.
| Crossref | GoogleScholarGoogle Scholar |
[7] D. Yu, V. Wing-Wah Yam, J. Am. Chem. Soc. 2004, 126, 13200.
| Crossref | GoogleScholarGoogle Scholar |
[8] S. H. Im, Y. T. Lee, B. Wiley, Y. Xia, Angew. Chem. Int. Ed. 2005, 44, 2154.
| Crossref | GoogleScholarGoogle Scholar |
[9] Y. Sun, Y. Xia, Science 2002, 298, 2176.
| Crossref | GoogleScholarGoogle Scholar |
[10] B. Wiley, B. Mayers, Y. Xia, Chemistry 2005, 11, 454.
| Crossref | GoogleScholarGoogle Scholar |
[11] B. Wiley, T. Herricks, Y. Sun, Y. Xia, Nano Lett. 2004, 4, 1733.
| Crossref | GoogleScholarGoogle Scholar |
[12] A. Taguchi, S. Fujii, T. Ichimura, P. Verma, Y. Inouye, S. Kawata, Chem. Phys. Lett. 2008, 462, 92.
| Crossref | GoogleScholarGoogle Scholar |
[13] S. E. Skrabalak, L. Au, X. Li, Y. Xia, Nat. Protoc. 2007, 2, 2182.
| Crossref | GoogleScholarGoogle Scholar |
[14] B. D. Cullity, in Elements of X-Ray Diffraction,3rd edition 2001 (Prentice-Hall, Upper Saddle River: New Jersey, NJ).
[15] A. R. Siekkinen, J. M. McLellan, J. Chen, Y. Xia, Chem. Phys. Lett. 2006, 432, 491.
| Crossref | GoogleScholarGoogle Scholar |
[16] B. Wiley, Y. Sun, Y. Xia, Acc. Chem. Res. 2007, 40, 1067.
| Crossref | GoogleScholarGoogle Scholar |
