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Surfactant-mediated electrodeposition of bismuth telluride films and its effect on microstructural properties

Surfactant-mediated electrodeposition of bismuth telluride films and its effect on microstructural properties
Surfactant-mediated electrodeposition of bismuth telluride films and its effect on microstructural properties
We report the synthesis of highly crystallo-graphically textured films of stoichiometric bismuth telluride (Bi2Te3) in the presence of a surfactant, sodium lignosulfonate (SL), that resulted in the improved alignment of films in the (110) plane and offered good control over the morphology and roughness of the electrodeposited films. SL concentrations in the range 60-80 mg dm(-3) at a deposition potential of 0.1 V vs SCE (saturated calomel electrode) were found to yield the most improved crystallinity and similar or superior thermoelectric properties compared with results reported in the literature.
0743-7463
8296-8299
Naylor, Andrew J.
680ad0b1-4537-465d-961e-4b10d49f5e34
Koukharenko, Elena
b34ae878-2776-4088-8880-5b2bd4f33ec3
Nandhakumar, Iris S.
e9850fe5-1152-4df8-8a26-ed44b5564b04
White, Neil M.
c7be4c26-e419-4e5c-9420-09fc02e2ac9c
Naylor, Andrew J.
680ad0b1-4537-465d-961e-4b10d49f5e34
Koukharenko, Elena
b34ae878-2776-4088-8880-5b2bd4f33ec3
Nandhakumar, Iris S.
e9850fe5-1152-4df8-8a26-ed44b5564b04
White, Neil M.
c7be4c26-e419-4e5c-9420-09fc02e2ac9c

Naylor, Andrew J., Koukharenko, Elena, Nandhakumar, Iris S. and White, Neil M. (2012) Surfactant-mediated electrodeposition of bismuth telluride films and its effect on microstructural properties. Langmuir, 28 (22), 8296-8299. (doi:10.1021/la301367m).

Record type: Article

Abstract

We report the synthesis of highly crystallo-graphically textured films of stoichiometric bismuth telluride (Bi2Te3) in the presence of a surfactant, sodium lignosulfonate (SL), that resulted in the improved alignment of films in the (110) plane and offered good control over the morphology and roughness of the electrodeposited films. SL concentrations in the range 60-80 mg dm(-3) at a deposition potential of 0.1 V vs SCE (saturated calomel electrode) were found to yield the most improved crystallinity and similar or superior thermoelectric properties compared with results reported in the literature.

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More information

e-pub ahead of print date: 14 May 2012
Published date: 5 June 2012
Organisations: Physics & Astronomy, Electronics & Computer Science

Identifiers

Local EPrints ID: 348777
URI: http://eprints.soton.ac.uk/id/eprint/348777
ISSN: 0743-7463
PURE UUID: 27d394ac-032e-4fe3-a743-1e9c77a2356e
ORCID for Iris S. Nandhakumar: ORCID iD orcid.org/0000-0002-9668-9126
ORCID for Neil M. White: ORCID iD orcid.org/0000-0003-1532-6452

Catalogue record

Date deposited: 19 Feb 2013 14:46
Last modified: 15 Mar 2024 02:57

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Contributors

Author: Andrew J. Naylor
Author: Elena Koukharenko
Author: Neil M. White ORCID iD

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