Approximate calculation of triboelectric charge density (sigma) of nanoscale contact electrification

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We have analytically approximated the triboelectric charge densities generated by triboelectrification reaching equilibrium over time in contact-mode TENG. It is assumed that the surface density of states (SDOS), N-s(E) is constant. The amount of electron transfer at the interface is estimated by calculating the change in vacuum energy level due to the charge density induced in the upper metal electrode and the lower metal electrode within the nanoscale separation range. Numerical results show that N-s(E) and work function difference are dominant compared to dielectric constant (material property) and dielectric thickness (structure parameter).
Publisher
TAYLOR & FRANCIS LTD
Issue Date
2017-12
Language
English
Article Type
Article
Keywords

NANOGENERATORS; ENERGY

Citation

INTEGRATED FERROELECTRICS, v.183, no.1, pp.171 - 175

ISSN
1058-4587
DOI
10.1080/10584587.2017.1376993
URI
http://hdl.handle.net/10203/238791
Appears in Collection
CH-Journal Papers(저널논문)
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