Please use this identifier to cite or link to this item: https://doi.org/10.1002/adfm.201201777
Title: Diameter effect on the sidewall functionalization of single-walled carbon nanotubes by addition of dichlorocarbene
Authors: Zhang, K.
Zhang, Q. 
Liu, C.
Marzari, N.
Stellacci, F.
Keywords: carbon nanotubes
conductance
dichlorocarbene
functionalization
Issue Date: 19-Dec-2012
Citation: Zhang, K., Zhang, Q., Liu, C., Marzari, N., Stellacci, F. (2012-12-19). Diameter effect on the sidewall functionalization of single-walled carbon nanotubes by addition of dichlorocarbene. Advanced Functional Materials 22 (24) : 5216-5223. ScholarBank@NUS Repository. https://doi.org/10.1002/adfm.201201777
Abstract: Dichlorocarbene is added to the sidewalls of single-walled carbon nanotubes (SWNTs) with diameters ranging from 1.2 to 2.2 nm. Small diameter SWNTs are found to react much more easily than large diameter SWNTs. Upon functionalization, the conductance could be largely preserved for almost all SWNTs, while an effective bandgap increase for functionalized metallic SWNTs (ma SWNTs) and a bandgap reduction for functionalized semiconducting SWNTs (s-SWNTs) are generally observed. The results suggest that [2 + 1] cycloaddition is an excellent choice of processing, resulting in SWNTs over a large diameter range with electronic properties that are almost unaffected. Furthermore, possible separation of SWNTs according to their diameters could be achieved due to the apparent diameter-dependent reactivity. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Source Title: Advanced Functional Materials
URI: http://scholarbank.nus.edu.sg/handle/10635/125093
ISSN: 1616301X
DOI: 10.1002/adfm.201201777
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