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Noble Metal Decoration and Alignment of Carbon Nanotubes in Carboxymethyl Cellulose

✍ Scribed by Mallikarjuna N. Nadagouda; Rajender S. Varma

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
335 KB
Volume
29
Category
Article
ISSN
1022-1336

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✦ Synopsis

Abstract

A facile microwave method (MW) is described that accomplishes alignment and decoration of noble metals on carbon nanotubes (CNT) wrapped with carboxymethyl cellulose (CMC). Carbon nanotubes such as single‐ and multi‐walled, and Buckminsterfullerene (C‐60) are well dispersed using the sodium salt of CMC under sonication. Addition of respective noble metal salts then generates noble metal‐decorated CNT composites at room temperature. However, aligned nanocomposites of CNTs could only be generated by exposing the above nanocomposites to MW irradiation. The CNT composites are characterized using scanning electron microscopy, energy dispersive X‐ray analysis, X‐ray mapping, transmission electron microscopy, and UV‐visible spectroscopy. The general preparative procedure is versatile and provides a simple route to manufacturing useful metal‐coated CNT nanocomposites.

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