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Polyselenides on the route to electrodeposited selenium

Abstract:
The electrochemical oxidation of aqueous solutions of hydrogen selenide (HSe − ) and of hydrogen polyselenide ions (HSe x− ) on glassy carbon electrodes at pH = 9.2 is reported. In both cases, the oxidation leads to deposits of selenium. The role of polyselenides as intermediates in the process is demonstrated. At 25 °C amorphous selenium is formed whereas at 70 °C crystalline selenium is deposited. The possible use of selenium films for technological purposes is discussed.
Publication status:
Published
Peer review status:
Peer reviewed

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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Chemistry
Sub department:
Inorganic Chemistry
Oxford college:
Exeter College
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Oxford college:
St John's College
Role:
Author
Publisher:
Elsevier Publisher's website
Journal:
Journal of Electroanalytical Chemistry Journal website
Volume:
835
Pages:
239-247
Publication date:
2019-01-16
Acceptance date:
2019-01-07
DOI:
EISSN:
1873-2569
ISSN:
1572-6657
Source identifiers:
972816
Keywords:
Pubs id:
pubs:972816
UUID:
uuid:d00a6f23-e9a7-4a1b-a2f4-8b944aaa007e
Local pid:
pubs:972816
Deposit date:
2019-04-04

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