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Issue 1, 2003
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Reversible modification of the absorption properties of single-walled carbon nanotube thin films via nitric acid exposure

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Abstract

Exposure of thin films of as-prepared single-walled carbon nanotubes (SWNT) to nitric acid induces dramatic bleaching of the first and second interband transitions of semiconducting tubes (S1 and S2). These near-IR absorption features can be restored by annealing of treated SWNT films to elevated temperatures. Annealing may also be accomplished by visible laser irradiation thus allowing for spatially resolved modifications to SWNT thin film optical absorption.

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Publication details

The article was received on 23 Aug 2002, accepted on 25 Oct 2002 and first published on 15 Nov 2002


Article type: Paper
DOI: 10.1039/B208270E
Citation: Phys. Chem. Chem. Phys., 2003,5, 178-183
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    Reversible modification of the absorption properties of single-walled carbon nanotube thin films via nitric acid exposure

    F. Hennrich, R. Wellmann, S. Malik, S. Lebedkin and M. M. Kappes, Phys. Chem. Chem. Phys., 2003, 5, 178
    DOI: 10.1039/B208270E

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