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A High volume and low damage route to hydroxyl functionalization of carbon nanotubes using hard X-ray lithography

Dumée, Ludovic F. and Sears, Kallista and Marmiroli, Benedetta and Amenitsch, Heinz and Duan, Xiaofei and Lamb, Robert and Buso, Dario and Huynh, Chi and Hawkins, Stephen and Kentish, Sandra and Duke, Mikel and Gray, Stephen and Innocenzi, Plinio and Hill, Anita and Falcaro, Paolo (2013) A High volume and low damage route to hydroxyl functionalization of carbon nanotubes using hard X-ray lithography. Carbon, Vol. 51 , p. 430-434. eISSN 1873-3891. Article.

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DOI: 10.1016/j.carbon.2012.08.065

Abstract

The efficient functionalization of large quantities of carbon nanotubes entangled in a non-woven fashion into bucky-papers has been demonstrated through exposure to hard X-rays generated by a synchrotron source. The X-ray beam solely functionalized the carbon nanotube outer walls and an optimum X-ray exposure energy between 1048 J cm−2 and 2096 J cm−2 has been found to achieve maximum hydroxyl group density. Sol–gel reaction between a commercial fluoro-silane and the hydroxyl-modified carbon nanotubes was successfully performed resulting in an even distribution of fluoride atoms on the carbon nanotube surface, opening the way for the mass production of functionalized carbon nanotubes.

Item Type:Article
ID Code:8769
Status:Published
Refereed:Yes
Uncontrolled Keywords:Carbon nanotubes (CNTs), hydroxyl functionalization, X-ray lithography
Subjects:Area 09 - Ingegneria industriale e dell'informazione > ING-IND/22 Scienza e tecnologia dei materiali
Divisions:001 Università di Sassari > 01-a Nuovi Dipartimenti dal 2012 > Architettura, Design e Urbanistica
002 Altri enti e centri di ricerca del Nord Sardegna > INSTM-Consorzio Interuniversitario Nazionale per la Scienza e la Tecnologia dei Materiali, Unità di ricerca di Sassari
Publisher:Elsevier Science
eISSN:1873-3891
Copyright Holders:© 2012 Elsevier Ltd.
Deposited On:06 Mar 2013 17:15

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