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Electro-deposited PdNi-Si Schottky barrier hydrogen sensors with improved time response

Electro-deposited PdNi-Si Schottky barrier hydrogen sensors with improved time response
Electro-deposited PdNi-Si Schottky barrier hydrogen sensors with improved time response
In this paper, we present a method to speed up the response time through growth of a gradient in PdNi concentration with depth. we are able to create various Schottky barrier structures. Structure A has uniform concentration, structure B has an increased Pd concentration at the top surface to speed up H2 dissociation and structure C has as well an increased Ni concentration at the Si interface to improve the interface dynamics.
improved time response, hydrogen sensor, electrodeposition, Schottky barrier
37 - 40
Dong, Longtao
d625f774-3578-492a-8178-e79ea1f7aed2
de Groot, C.H.
92cd2e02-fcc4-43da-8816-c86f966be90c
Usgaocar, A.
ef0496c9-6b7f-4a60-972e-39f2c18a35b4
Chavagnac, V.
0824a679-684f-47ba-8ccd-f8d36cc18d90
Dong, Longtao
d625f774-3578-492a-8178-e79ea1f7aed2
de Groot, C.H.
92cd2e02-fcc4-43da-8816-c86f966be90c
Usgaocar, A.
ef0496c9-6b7f-4a60-972e-39f2c18a35b4
Chavagnac, V.
0824a679-684f-47ba-8ccd-f8d36cc18d90

Dong, Longtao, de Groot, C.H., Usgaocar, A. and Chavagnac, V. (2012) Electro-deposited PdNi-Si Schottky barrier hydrogen sensors with improved time response. Eurosensors 2012: The 26th European Conference on Solid-State Transducers, Poland. 09 - 12 Sep 2012. 37 - 40 . (doi:10.1016/j.proeng.2012.09.078).

Record type: Conference or Workshop Item (Poster)

Abstract

In this paper, we present a method to speed up the response time through growth of a gradient in PdNi concentration with depth. we are able to create various Schottky barrier structures. Structure A has uniform concentration, structure B has an increased Pd concentration at the top surface to speed up H2 dissociation and structure C has as well an increased Ni concentration at the Si interface to improve the interface dynamics.

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More information

Published date: 11 September 2012
Venue - Dates: Eurosensors 2012: The 26th European Conference on Solid-State Transducers, Poland, 2012-09-09 - 2012-09-12
Keywords: improved time response, hydrogen sensor, electrodeposition, Schottky barrier
Organisations: Electronics & Computer Science

Identifiers

Local EPrints ID: 355616
URI: http://eprints.soton.ac.uk/id/eprint/355616
PURE UUID: 1ccfb940-cfe8-4571-95b1-c74fc3b5149e
ORCID for C.H. de Groot: ORCID iD orcid.org/0000-0002-3850-7101

Catalogue record

Date deposited: 04 Sep 2013 10:52
Last modified: 08 Oct 2019 00:48

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