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Article

Measuring the Density of States of the Inner and Outer Wall of Double-Walled Carbon Nanotubes

1
Flinders Centre for NanoScale Science and Technology, Flinders University, Adelaide SA 5001, Australia
2
Department of Chemistry, The University of Adelaide, Adelaide SA 5005, Australia
*
Authors to whom correspondence should be addressed.
Nanomaterials 2018, 8(6), 448; https://doi.org/10.3390/nano8060448
Received: 21 May 2018 / Revised: 7 June 2018 / Accepted: 14 June 2018 / Published: 19 June 2018
(This article belongs to the Special Issue Applications of Carbon Nanotubes)
The combination of ultraviolet photoelectron spectroscopy and metastable helium induced electron spectroscopy is used to determine the density of states of the inner and outer coaxial carbon nanotubes. Ultraviolet photoelectron spectroscopy typically measures the density of states across the entire carbon nanotube, while metastable helium induced electron spectroscopy measures the density of states of the outermost layer alone. The use of double-walled carbon nanotubes in electronic devices allows for the outer wall to be functionalised whilst the inner wall remains defect free and the density of states is kept intact for electron transport. Separating the information of the inner and outer walls enables development of double-walled carbon nanotubes to be independent, such that the charge transport of the inner wall is maintained and confirmed whilst the outer wall is modified for functional purposes. View Full-Text
Keywords: single-walled and double-walled carbon nanotubes; density of states; electron spectroscopy single-walled and double-walled carbon nanotubes; density of states; electron spectroscopy
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MDPI and ACS Style

Chambers, B.A.; Shearer, C.J.; Yu, L.; Gibson, C.T.; Andersson, G.G. Measuring the Density of States of the Inner and Outer Wall of Double-Walled Carbon Nanotubes. Nanomaterials 2018, 8, 448. https://doi.org/10.3390/nano8060448

AMA Style

Chambers BA, Shearer CJ, Yu L, Gibson CT, Andersson GG. Measuring the Density of States of the Inner and Outer Wall of Double-Walled Carbon Nanotubes. Nanomaterials. 2018; 8(6):448. https://doi.org/10.3390/nano8060448

Chicago/Turabian Style

Chambers, Benjamin A., Cameron J. Shearer, LePing Yu, Christopher T. Gibson, and Gunther G. Andersson 2018. "Measuring the Density of States of the Inner and Outer Wall of Double-Walled Carbon Nanotubes" Nanomaterials 8, no. 6: 448. https://doi.org/10.3390/nano8060448

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