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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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.
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