Chauvin, A. ; Delacote, C. ; Molina-Luna, Leopoldo ; Boujtita, M. ; Thiry, D. ; Du, K. ; Ding, J. ; Choi, C.-H. ; Humbert, B. ; Mevellec, J.-Y. ; Tessier, P. Y. ; El Mel, A.-A.
eds.: Laudon, Matthew ; Romanowicz, Bart (2016)
Two-step approach for the nanofabrication of highly ordered ultra-long porous gold nanowires with an adjustable porosity for SERS-based sensors.
In: TechConnect Briefs 2016
Book Section, Bibliographie
Abstract
Recently, nanoporous gold has been pointed out as a promising candidate for the development of SERS-based sensors for the detection of environmental toxins and small molecules [1]. One way to improve the detection ability of such sensors is by engineering the porosity and shape of nanoporous material. In this work we report on a versatile two-step approach for the synthesis of porous nanowires involving plasma deposition of gold-copper alloy on a nanograted substrate followed by a selective electrochemical etching. The relevance of the approach is its ability to prepare highly ordered ultra-long porous gold nanowires with an adjustable porosity and a length up to the macroscale. The resulting gold porous nanowire exhibits a very high roughness and high specific surface area suitable for highly sensitive detection of small molecules by SERS. References: [1] L. Zhang, H. Chang, A. Hirata, H. Wu,Q.-K. Xue and M. Chen, ACS Nano 7, 4595 (2013)
| Item Type: | Book Section |
|---|---|
| Erschienen: | 2016 |
| Editors: | Laudon, Matthew ; Romanowicz, Bart |
| Creators: | Chauvin, A. ; Delacote, C. ; Molina-Luna, Leopoldo ; Boujtita, M. ; Thiry, D. ; Du, K. ; Ding, J. ; Choi, C.-H. ; Humbert, B. ; Mevellec, J.-Y. ; Tessier, P. Y. ; El Mel, A.-A. |
| Type of entry: | Bibliographie |
| Title: | Two-step approach for the nanofabrication of highly ordered ultra-long porous gold nanowires with an adjustable porosity for SERS-based sensors |
| Language: | English |
| Date: | 22 May 2016 |
| Place of Publication: | Danville, CA, U.S.A. |
| Publisher: | TechConnect |
| Book Title: | TechConnect Briefs 2016 |
| Series Volume: | 4 |
| Abstract: | Recently, nanoporous gold has been pointed out as a promising candidate for the development of SERS-based sensors for the detection of environmental toxins and small molecules [1]. One way to improve the detection ability of such sensors is by engineering the porosity and shape of nanoporous material. In this work we report on a versatile two-step approach for the synthesis of porous nanowires involving plasma deposition of gold-copper alloy on a nanograted substrate followed by a selective electrochemical etching. The relevance of the approach is its ability to prepare highly ordered ultra-long porous gold nanowires with an adjustable porosity and a length up to the macroscale. The resulting gold porous nanowire exhibits a very high roughness and high specific surface area suitable for highly sensitive detection of small molecules by SERS. References: [1] L. Zhang, H. Chang, A. Hirata, H. Wu,Q.-K. Xue and M. Chen, ACS Nano 7, 4595 (2013) |
| Uncontrolled Keywords: | gold, nanowire, porous, sers |
| Divisions: | 11 Department of Materials and Earth Sciences 11 Department of Materials and Earth Sciences > Material Science 11 Department of Materials and Earth Sciences > Material Science > Advanced Electron Microscopy (aem) |
| Date Deposited: | 10 Dec 2018 09:49 |
| Last Modified: | 21 Dec 2018 07:34 |
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