Ultraviolet-assisted reduction of BBL/graphene nanocomposite

Sung Moon Choi; Soo Young Park

doi:10.1007/s13233-015-3059-4

Ultraviolet-assisted reduction of BBL/graphene nanocomposite

Sung Moon Choi, Soo Young Park

Kyungpook National University

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

1 Scopus citations

Abstract

Graphene oxide (GO) and GO/poly(benzimidazobenzophenanthroline) (BBL) films were reduced by ultraviolet (UV) irradiation. UV-assisted reduction, by the removal of oxygen-containing groups from the GO and the GO/BBL nanocomposite films, was confirmed with Raman and X-ray photoelectron spectroscopies. The UV reduction of the GO film in selective regions was successfully demonstrated with patterning of the letters KNU. The sheet resistance of the BBL/GO film (GO content=80 wt%) on the glass substrate was ∼10⁶ Ω/□ after UV irradia-tion (25 mW/cm²) for ∼2 h. Furthermore, the electrically insulating GO in the BBL/GO nanocomposite film on the glass substrate became electrically conductive after UV reduction.

[Figure not available: see fulltext.]

Original language	English
Pages (from-to)	428-435
Number of pages	8
Journal	Macromolecular Research
Volume	23
Issue number	5
DOIs	https://doi.org/10.1007/s13233-015-3059-4
State	Published - 1 May 2015

Keywords

graphene oxide
nanocomposite
poly(benzimidazobenzophenanthroline)
reduction
ultraviolet irradiation

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10.1007/s13233-015-3059-4

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title = "Ultraviolet-assisted reduction of BBL/graphene nanocomposite",

abstract = "Graphene oxide (GO) and GO/poly(benzimidazobenzophenanthroline) (BBL) films were reduced by ultraviolet (UV) irradiation. UV-assisted reduction, by the removal of oxygen-containing groups from the GO and the GO/BBL nanocomposite films, was confirmed with Raman and X-ray photoelectron spectroscopies. The UV reduction of the GO film in selective regions was successfully demonstrated with patterning of the letters KNU. The sheet resistance of the BBL/GO film (GO content=80 wt%) on the glass substrate was ∼106 Ω/□ after UV irradia-tion (25 mW/cm2) for ∼2 h. Furthermore, the electrically insulating GO in the BBL/GO nanocomposite film on the glass substrate became electrically conductive after UV reduction.[Figure not available: see fulltext.]",

keywords = "graphene oxide, nanocomposite, poly(benzimidazobenzophenanthroline), reduction, ultraviolet irradiation",

author = "Choi, {Sung Moon} and Park, {Soo Young}",

note = "Publisher Copyright: {\textcopyright} 2015, The Polymer Society of Korea and Springer Sciene+Business Media Dordrecht.",

year = "2015",

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doi = "10.1007/s13233-015-3059-4",

language = "English",

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journal = "Macromolecular Research",

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T1 - Ultraviolet-assisted reduction of BBL/graphene nanocomposite

AU - Choi, Sung Moon

AU - Park, Soo Young

PY - 2015/5/1

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N2 - Graphene oxide (GO) and GO/poly(benzimidazobenzophenanthroline) (BBL) films were reduced by ultraviolet (UV) irradiation. UV-assisted reduction, by the removal of oxygen-containing groups from the GO and the GO/BBL nanocomposite films, was confirmed with Raman and X-ray photoelectron spectroscopies. The UV reduction of the GO film in selective regions was successfully demonstrated with patterning of the letters KNU. The sheet resistance of the BBL/GO film (GO content=80 wt%) on the glass substrate was ∼106 Ω/□ after UV irradia-tion (25 mW/cm2) for ∼2 h. Furthermore, the electrically insulating GO in the BBL/GO nanocomposite film on the glass substrate became electrically conductive after UV reduction.[Figure not available: see fulltext.]

AB - Graphene oxide (GO) and GO/poly(benzimidazobenzophenanthroline) (BBL) films were reduced by ultraviolet (UV) irradiation. UV-assisted reduction, by the removal of oxygen-containing groups from the GO and the GO/BBL nanocomposite films, was confirmed with Raman and X-ray photoelectron spectroscopies. The UV reduction of the GO film in selective regions was successfully demonstrated with patterning of the letters KNU. The sheet resistance of the BBL/GO film (GO content=80 wt%) on the glass substrate was ∼106 Ω/□ after UV irradia-tion (25 mW/cm2) for ∼2 h. Furthermore, the electrically insulating GO in the BBL/GO nanocomposite film on the glass substrate became electrically conductive after UV reduction.[Figure not available: see fulltext.]

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KW - nanocomposite

KW - poly(benzimidazobenzophenanthroline)

KW - reduction

KW - ultraviolet irradiation

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Ultraviolet-assisted reduction of BBL/graphene nanocomposite

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