e-journal

Scalable Functional Group Engineering of Carbon Nanotubes by Improved One-Step Nitrene Chemistry

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A facile, green, low cost and efficient one-step technology to synthesize highly dispersible functional
single-walled and multiwalled carbon nanotubes (f-SWNTs and f-MWNTs) up to supergrams is reported.
Large-scale (up to hundreds of grams) synthesis of functional azides was developed at first, and various
reactive groups (i.e., -OH, -NH2, -COOH, and -Br) were then introduced onto the convex surfaces
of CNTs in merely one reaction of nitrene addition under a relatively mild condition without causing
significant damage to nanotubes. The contents of the functional moieties can be easily controlled by
adjusting the feed ratio of the azide compounds to CNTs. In order to demonstrate the reactivity and
functions of the immobilized organic moieties, different chemical reactions, including surface-initiated
polymerizations, amidation, and reduction of metal ions, were performed on the functional CNTs, affording
various CNT-polymer and CNT-Pt nanohybrids. The resulting materials were characterized by various
measurements, such as TGA, Raman, XPS, FTIR, NMR, XRD, SEM, TEM, and HRTEM. The presented
one-step methodology opens the avenue for industrial production of functional CNTs.

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Informasi Detail

Judul Seri

Chemistry of Materials

No. Panggil

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Penerbit

Washington, DC : American Chemical Society., 2009

Deskripsi Fisik

Chem. Mater. 2009, 21, 360–370

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

KIMIA

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

Versi lain/terkait

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