Enhancing electrocatalytic activity in metallic thin films through surface segregation of carbon

Author:

Kousar Ayesha1ORCID,Quliyeva Ulviyya1,Pande Ishan1,Sainio Jani2ORCID,Julin Jaakko3,Sajavaara Timo3,Karttunen Antti J.4,Laurila Tomi14ORCID

Affiliation:

1. Department of Electrical Engineering and Automation, School of Electrical Engineering, Aalto University, PO Box 13500, 00076 Aalto, Finland

2. Department of Applied Physics, School of Science, Aalto University, PO Box 15100, 00076 Aalto, Finland

3. Department of Physics, University of Jyväskylä, PO Box 35, FI-40014, Finland

4. Department of Chemistry and Materials Science, School of Chemical Engineering, Aalto University, PO Box 16100, 00076 Aalto, Finland

Abstract

Annealing commonly used adhesion layers deposited on the Si substrate (Ti/Si or Cr/Si) leads to catalytic graphite layer formation on the thin Cr layer, resulting in its electrochemical reactivity for dopamine and ascorbic acid, in contrast to Ti.

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

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