Sharma, Jadab ; Chaki, Nirmalya K. ; Mandale, A. B. ; Pasricha, Renu ; Vijayamohanan, K. (2004) Controlled interlinking of Au and Ag nanoclusters using 4-aminothiophenol as molecular interconnects Journal of Colloid and Interface Science, 272 (1). pp. 145-152. ISSN 0021-9797
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.jcis.2003.09.016
Abstract
This work describes the formation of interlinked gold and silver nanoclusters at controlled pH using 4-aminothiophenol (ATP) as a molecular interconnect. UV-visible spectra give on intercrystal plasmon resonance band in the region 550-580 nm. The crystalline heteroassembly formation is also evident from the transmission electron microscopic (TEM) images, whereas X-ray photoelectron spectroscopic (XPS) analysis of the aggregates shows the presence of charged ?N species, indicating electrostatic interaction of ?N with Ag nanoclusters. Furthermore, electrochemical studies of these heteroassembled systems suggest that silver nanoclusters are not fully passivated by the monolayers of ATP and are accessible for redox reactions.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | 4-Aminothiophenol; Molecular Interconnect; Interlinked Gold and Silver Nanoclusters; Cyclic Voltammetry; Intercrystal Plasmon Resonance Band; Electrostatic Interaction |
| ID Code: | 68907 |
| Deposited On: | 08 Nov 2011 04:38 |
| Last Modified: | 08 Nov 2011 04:38 |
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