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Temperature insensitive conductance detection with surface-functionalised silicon nanowire sensors

Temperature insensitive conductance detection with surface-functionalised silicon nanowire sensors
Temperature insensitive conductance detection with surface-functionalised silicon nanowire sensors
The effects of suspension and functionalisation on electrical conduction of silicon nanowires (SiNWs) are experimentally investigated towards highly sensitive chemical and biological detection applications. The conductance is found to be affected by the suspension process, while it shows the similar trend against the temperature before and after the suspension. The reduction of conductance after the functionalisation with NH2 self-assembled monolayer/glutaraldehyde/biotin can be explained based on the assumption that there is a charge transfer from the SiNW to the molecular layers. The temperature insensitive conductance found in the functionalised SiNWs experimentally for the first time is expected to be extremely useful for practical sensing applications.
Silicon nanowire, Functionalisation, Chemical/biological sensing, Temperature stability
0167-9317
1753-1756
Ghiass, Mohammad Adel
ddf17d39-621b-44c6-bf39-2fa84e23b492
Armini, Silvia
38fcf30e-0559-4ca2-ae64-55f2858d4802
Carli, Marta
033eedb2-ff2e-4a6e-9178-1be6e3334f94
Maestre Caro, Arantxa
fe90290d-5a06-4a54-9c59-546d8a3b36fc
Cherman, Vladimir
5a8a95d2-1c2b-4387-b732-cc32879d4bac
Ogi, Jun
4e46ba9f-92b9-438c-8b3e-11f9e00f7d3e
Oda, Shunri
680a9899-52bb-4adc-8594-14bb92236fec
Moktadir, Zakaria
34472668-ffda-4287-8fea-2c4f3bf1e2fa
Tsuchiya, Yoshishige
5a5178c6-b3a9-4e07-b9b2-9a28e49f1dc2
Mizuta, Hiroshi
f14d5ffc-751b-472b-8dba-c8518c6840b9
Ghiass, Mohammad Adel
ddf17d39-621b-44c6-bf39-2fa84e23b492
Armini, Silvia
38fcf30e-0559-4ca2-ae64-55f2858d4802
Carli, Marta
033eedb2-ff2e-4a6e-9178-1be6e3334f94
Maestre Caro, Arantxa
fe90290d-5a06-4a54-9c59-546d8a3b36fc
Cherman, Vladimir
5a8a95d2-1c2b-4387-b732-cc32879d4bac
Ogi, Jun
4e46ba9f-92b9-438c-8b3e-11f9e00f7d3e
Oda, Shunri
680a9899-52bb-4adc-8594-14bb92236fec
Moktadir, Zakaria
34472668-ffda-4287-8fea-2c4f3bf1e2fa
Tsuchiya, Yoshishige
5a5178c6-b3a9-4e07-b9b2-9a28e49f1dc2
Mizuta, Hiroshi
f14d5ffc-751b-472b-8dba-c8518c6840b9

Ghiass, Mohammad Adel, Armini, Silvia, Carli, Marta, Maestre Caro, Arantxa, Cherman, Vladimir, Ogi, Jun, Oda, Shunri, Moktadir, Zakaria, Tsuchiya, Yoshishige and Mizuta, Hiroshi (2011) Temperature insensitive conductance detection with surface-functionalised silicon nanowire sensors. Microelectronic Engineering, 88 (8), 1753-1756. (doi:10.1016/j.mee.2011.02.063).

Record type: Article

Abstract

The effects of suspension and functionalisation on electrical conduction of silicon nanowires (SiNWs) are experimentally investigated towards highly sensitive chemical and biological detection applications. The conductance is found to be affected by the suspension process, while it shows the similar trend against the temperature before and after the suspension. The reduction of conductance after the functionalisation with NH2 self-assembled monolayer/glutaraldehyde/biotin can be explained based on the assumption that there is a charge transfer from the SiNW to the molecular layers. The temperature insensitive conductance found in the functionalised SiNWs experimentally for the first time is expected to be extremely useful for practical sensing applications.

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More information

Published date: 13 February 2011
Keywords: Silicon nanowire, Functionalisation, Chemical/biological sensing, Temperature stability
Organisations: Nanoelectronics and Nanotechnology

Identifiers

Local EPrints ID: 272090
URI: https://eprints.soton.ac.uk/id/eprint/272090
ISSN: 0167-9317
PURE UUID: 74e0d280-72b6-4600-a752-8ed30d68acf0

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Date deposited: 08 Mar 2011 20:30
Last modified: 26 Feb 2019 17:31

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Contributors

Author: Mohammad Adel Ghiass
Author: Silvia Armini
Author: Marta Carli
Author: Arantxa Maestre Caro
Author: Vladimir Cherman
Author: Jun Ogi
Author: Shunri Oda
Author: Zakaria Moktadir
Author: Yoshishige Tsuchiya
Author: Hiroshi Mizuta

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