Fabre, Bruno ; Ababou-Girard, Soraya ; Singh, Prabhpreet ; Kumar, Jitendra ; Verma, Sandeep ; Bianco, Alberto (2010) Noncovalent assembly of ferrocene on modified gold surfaces mediated by uracil-adenine base pairs Electrochemistry Communications, 12 (6). pp. 831-834. ISSN 1388-2481
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.elecom.2010.03.045
Abstract
Redox-active ferrocene was assembled on gold surfaces through the hydrogen bonding interactions between adenine-substituted ferrocene and a uracil-terminated organothiol monolayer. The surface coverage of ferrocene Γ could be varied from ca. 4×10−11 to 2.0×10−10 mol cm−2 by diluting the thiol-modified uracil derivative with inert 1-octanethiol. A decrease in the apparent electron transfer rate constant for ferrocene, kapp, from ca. 50 to 10 s−1 was observed upon increasing Γ.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Ferrocene; Monolayer; Nucleobases; Gold Surface; Electrochemistry |
| ID Code: | 66222 |
| Deposited On: | 21 Oct 2011 10:04 |
| Last Modified: | 21 Oct 2011 10:04 |
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