Graphene oxide catalyzed cis-trans isomerization of azobenzene | Zendy

Dongha Shin | Zendy; Jin Hyoun Kang | Zendy; KyungAh Min | Zendy; Suklyun Hong | Zendy; Byung Hee Hong | Zendy

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Graphene oxide catalyzed cis-trans isomerization of azobenzene

Author(s) -

Dongha Shin,

Jin Hyoun Kang,

KyungAh Min,

Suklyun Hong,

Byung Hee Hong

Publication year - 2014

Publication title -

apl materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.571

H-Index - 60

ISSN - 2166-532X

DOI - 10.1063/1.4886215

Subject(s) - azobenzene , isomerization , photoisomerization , graphene , photochemistry , oxide , catalysis , materials science , quenching (fluorescence) , chemistry , fluorescence , organic chemistry , molecule , nanotechnology , optics , physics , metallurgy

We report the fast cis-trans isomerization of an amine-substituted azobenzene catalyzed by graphene oxide (GO), where the amine functionality facilitates the charge transfer from azobenzene to graphene oxide in contrast to non-substituted azobenzene. This catalytic effect was not observed in stilbene analogues, which strongly supports the existence of different isomerization pathways between azobenzene and stilbene. The graphene oxide catalyzed isomerization is expected to be useful as a new photoisomerization based sensing platform complementary to GO-based fluorescence quenching methods

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