To what extent can charge localization influence electron injection efficiency at graphene–porphyrin interfaces? | Zendy

Manas R. Parida | Zendy; Shawkat M. Aly | Zendy; Erkki Alarousu | Zendy; Aravindan Sridharan | Zendy; D. H. Nagaraju | Zendy; Husam N. Alshareef | Zendy; Omar F. Mohammed | Zendy

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To what extent can charge localization influence electron injection efficiency at graphene–porphyrin interfaces?

Author(s) -

Manas R. Parida,

Shawkat M. Aly,

Erkki Alarousu,

Aravindan Sridharan,

D. H. Nagaraju,

Husam N. Alshareef,

Omar F. Mohammed

Publication year - 2015

Publication title -

physical chemistry chemical physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.053

H-Index - 239

eISSN - 1463-9084

pISSN - 1463-9076

DOI - 10.1039/c5cp02362a

Subject(s) - porphyrin , graphene , electron , electron acceptor , electron transfer , charge (physics) , chemical physics , carboxylate , photochemistry , cationic polymerization , electron transport chain , acceptor , materials science , cyclodextrin , chemistry , nanotechnology , stereochemistry , organic chemistry , physics , condensed matter physics , biochemistry , quantum mechanics

Controlling the electron transfer process at donor-acceptor interfaces is a research direction that has not yet seen much progress. Here, with careful control of the charge localization on the porphyrin macrocycle using β-cyclodextrin as an external cage, we are able to improve the electron injection efficiency from cationic porphyrin to graphene carboxylate by 120%. The detailed reaction mechanism is also discussed.

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