Pulsed-laser induced flocculation of carbon nanotubes solubilized by an anthracene-carrying polymer

Kaori Narimatsu; Yasuro Niidome; Naotoshi Nakashima

doi:10.1016/j.cplett.2006.08.023

Pulsed-laser induced flocculation of carbon nanotubes solubilized by an anthracene-carrying polymer

Kaori Narimatsu, Yasuro Niidome, Naotoshi Nakashima

Molecular Information Chemistry

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

Single-walled carbon nanotubes (SWNTs), solubilized individually in dimethylformamide using a polymer with anthracene groups or in aqueous micelle of sodium dodecyl sulfate (SDS), were irradiated with near-infrared (IR) pulsed-laser light. Near-IR light was absorbed by the SWNTs and converted to heat through photothermal conversion of SWNTs, which did not greatly degrade the polymer wrapping the SWNTs. The local and transient heat via the irradiation resulted in SWNT-flocculation with raising the macroscopic temperature of the solution. No such irradiation effect was recognized for the SWNTs/SDS aqueous solution. The present finding reveals that carbon nanotubes act as a 'molecular heater' that triggers structural changes of carbon nanotube nanocomposites.

Original language	English
Pages (from-to)	488-491
Number of pages	4
Journal	Chemical Physics Letters
Volume	429
Issue number	4-6
DOIs	https://doi.org/10.1016/j.cplett.2006.08.023
Publication status	Published - Oct 5 2006

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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title = "Pulsed-laser induced flocculation of carbon nanotubes solubilized by an anthracene-carrying polymer",

abstract = "Single-walled carbon nanotubes (SWNTs), solubilized individually in dimethylformamide using a polymer with anthracene groups or in aqueous micelle of sodium dodecyl sulfate (SDS), were irradiated with near-infrared (IR) pulsed-laser light. Near-IR light was absorbed by the SWNTs and converted to heat through photothermal conversion of SWNTs, which did not greatly degrade the polymer wrapping the SWNTs. The local and transient heat via the irradiation resulted in SWNT-flocculation with raising the macroscopic temperature of the solution. No such irradiation effect was recognized for the SWNTs/SDS aqueous solution. The present finding reveals that carbon nanotubes act as a 'molecular heater' that triggers structural changes of carbon nanotube nanocomposites.",

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T1 - Pulsed-laser induced flocculation of carbon nanotubes solubilized by an anthracene-carrying polymer

AU - Narimatsu, Kaori

AU - Niidome, Yasuro

AU - Nakashima, Naotoshi

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