Single-walled carbon nanotube gold nanohybrids: Application in highly effective transparent and conductive films

Byung Seon Kong; Dae Hwan Jung; Sang Keun Oh; Chang Soo Han; Hee Tae Jung

doi:10.1021/jp071297r

Single-walled carbon nanotube gold nanohybrids: Application in highly effective transparent and conductive films

Byung Seon Kong, Dae Hwan Jung, Sang Keun Oh, Chang Soo Han, Hee Tae Jung

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

104 Citations (Scopus)

Abstract

We report a new technique to enhance the electrical conductivity of transparent single-walled carbon nanotube (SWNT) films with a negligible loss of their optical transmittance. Hybridization of the SWNT films with gold nanoparticles increased the electrical conductivity 2-fold to a maximum of 2.0 × 10⁵ S/m while maintaining the transmittance of the initial value. The same trends are shown for other SWNT films with various initial conductivities and transparency levels. Functional changes in the gold-nanoparticle-coated SWNT films suggest that the electrical conductivity change is due to an electron depletion mechanism as a result of a doping effect.

Original language	English
Pages (from-to)	8377-8382
Number of pages	6
Journal	Journal of Physical Chemistry C
Volume	111
Issue number	23
DOIs	https://doi.org/10.1021/jp071297r
Publication status	Published - 2007 Jun 14
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Energy(all)
Physical and Theoretical Chemistry
Surfaces, Coatings and Films

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abstract = "We report a new technique to enhance the electrical conductivity of transparent single-walled carbon nanotube (SWNT) films with a negligible loss of their optical transmittance. Hybridization of the SWNT films with gold nanoparticles increased the electrical conductivity 2-fold to a maximum of 2.0 × 105 S/m while maintaining the transmittance of the initial value. The same trends are shown for other SWNT films with various initial conductivities and transparency levels. Functional changes in the gold-nanoparticle-coated SWNT films suggest that the electrical conductivity change is due to an electron depletion mechanism as a result of a doping effect.",

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AU - Han, Chang Soo

AU - Jung, Hee Tae

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AB - We report a new technique to enhance the electrical conductivity of transparent single-walled carbon nanotube (SWNT) films with a negligible loss of their optical transmittance. Hybridization of the SWNT films with gold nanoparticles increased the electrical conductivity 2-fold to a maximum of 2.0 × 105 S/m while maintaining the transmittance of the initial value. The same trends are shown for other SWNT films with various initial conductivities and transparency levels. Functional changes in the gold-nanoparticle-coated SWNT films suggest that the electrical conductivity change is due to an electron depletion mechanism as a result of a doping effect.

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Single-walled carbon nanotube gold nanohybrids: Application in highly effective transparent and conductive films

Abstract

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