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Electrochemical Fabrication of Gold Quantum Wire with Atomic-Scale
Corresponding Author(s) : Xiaodong Dong
Asian Journal of Chemistry,
Vol. 25 No. 5 (2013): Vol 25 Issue 5
Abstract
Stable gold quantum wire with atomic-scale was successfully fabricated with two kinds of electrochemical method in solution by a home-made electrochemically controlled system. The quantum wire could be obtained by careful controlling the process of electrochemical deposition on a preformed gold electrode pair as well as its reverse process-etching with addition of chloroauric acid in solution. The stepwise conductance behaviour could be observed clearly with the process. Another method was a self-terminated electrochemical mechanism. Compared with the first method, it was simpler, less interferential and more suitable for in situ study of quantum wire. The I-V curve of the formed gold quantum wire showed the ohmic behaviour with low bias voltage and electromigration phenomenon with high bias voltage.
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References
M. Hezari and M.E. Yazdanshenas, Asian J. Chem., 23, 5461 (2011).
M.D. Ganji, M. Rezvani and A. Mirnejad, Asian J. Chem., 23, 4833 (2011).
M. Zhang, Y.H. Song, L. Wang, L.L. Wan, X.P. Xiao and S.H. Ye, Asian J. Chem., 24, 18 (2012).
Y.R. Leroux, C. Fave, D. Zigah, G. Trippe-Allard and J.C. Lacroix, J. Am. Chem. Soc., 130, 13465 (2008).
F.Q. Xie, R. Maul, S. Brendelberger, C. Obermair, E. B. Starikov, W. Wenzel, G. Schön and T. Schimmel, Appl. Phys. Lett., 93, 043103 (2008).
X.D. Dong, Y. Xia, G.Y. Zhu and B.L. Zhang, Nanotechnology, 18, 395502 (2007).
X.D. Dong, B.L. Zhang, Y. Xia and G.Y. Zhu, Chem. J. Chin. Univ., 29, 1424 (2008).
S. Boussaad and N.J. Tao, Appl. Phys. Lett., 80, 2398 (2002).
Z. Liu and P.C. Searson, J. Phys. Chem. B, 110, 4318 (2006).
P. Molet, J. Ghilane, P. Martin, V. Noel, H. Randriamahazaka, M.C. Pham and J.C. Lacroix, Electrochem. Commun., 13, 272 (2010).
P.J. Castle and P.W. Bohn, Anal. Chem., 77, 243 (2005).
M.L. Trouwborst, S.J. Van De Molen and B.J. Van Wees, J. Appl. Phys., 99, 114316 (2006).