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Quantum capacitance modifies interionic interactions in semiconducting nanopores

Abstract:

Nanopores made with low dimensional semiconducting materials, such as carbon nanotubes and graphene slit pores, are used in supercapacitors. In theories and simulations of their operation, it is often assumed that such pores screen ion-ion interactions like metallic pores, i.e. that screening leads to an exponential decay of the interaction potential with ion separation. By introducing a quantum capacitance that accounts for the density of states in the material, we show that ion-ion interact...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1209/0295-5075/113/38005

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Institution:
University of Oxford
Division:
MPLS
Department:
Mathematical Institute
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Mathematical Institute
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Mathematical Institute
Role:
Author
More from this funder
Funding agency for:
Vella, D
Grant:
637334
Publisher:
Insitute of Physics Publisher's website
Journal:
EPL (Europhysics Letters) Journal website
Volume:
113
Issue:
3
Pages:
38005
Publication date:
2016-03-15
Acceptance date:
2016-02-11
DOI:
EISSN:
1286-4854
ISSN:
0295-5075
Source identifiers:
611343
Pubs id:
pubs:611343
UUID:
uuid:35d293d7-f9ba-414a-bf73-9aa90ff26620
Local pid:
pubs:611343
Deposit date:
2016-03-22

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