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Optically enhanced charge transfer between C60 and single-wall carbon nanotubes in hybrid electronic devices

Optically enhanced charge transfer between C60 and single-wall carbon nanotubes in hybrid electronic devices

Allen, Christopher S., Liu, Guoquan, Chen, Yabin, Robertson, Alex W., He, Kuang, Porfyrakis, Kyriakos ORCID: 0000-0003-1364-0261, Zhang, Jin, Briggs, G. Andrew D. and Warner, Jamie H. (2013) Optically enhanced charge transfer between C60 and single-wall carbon nanotubes in hybrid electronic devices. Nanoscale, 6 (1). pp. 572-580. ISSN 2040-3364 (Print), 2040-3372 (Online) (doi:https://doi.org/10.1039/C3NR04314B)

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Abstract

In this article we probe the nature of electronic interactions between the components of hybrid C60–carbon nanotube structures. Utilizing an aromatic mediator we selectively attach C60 molecules to carbon nanotube field-effect transistor devices. Structural characterization via atomic force and transmission electron microscopy confirm the selectivity of this attachment. Charge transfer from the carbon nanotube to the C60 molecules is evidenced by a blue shift of the Raman G+ peak position and increased threshold voltage of the transistor transfer characteristics. We estimate this charge transfer to increase the device density of holes per unit length by up to 0.85 nm−1 and demonstrate further optically enhanced charge transfer which increases the hole density by an additional 0.16 nm−1.

Item Type: Article
Uncontrolled Keywords: charge transfer, C60, carbon nanotubes, electronic devices
Subjects: Q Science > QD Chemistry
T Technology > TA Engineering (General). Civil engineering (General)
Faculty / Department / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > School of Engineering (ENN)
Last Modified: 24 Oct 2019 08:43
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
Selected for GREAT 2019: None
URI: http://gala.gre.ac.uk/id/eprint/25791

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