Enhanced Photocurrents Generated by Supramolecular &!hyphen;Relay/CdS‐Nanoparticle/ Electron‐Donor Structures on Gold Electrodes | Zendy

TelVered Ran | Zendy; Yildiz Huseyin Bekir | Zendy; Willner Itamar | Zendy

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Enhanced Photocurrents Generated by Supramolecular &!hyphen;Relay/CdS‐Nanoparticle/ Electron‐Donor Structures on Gold Electrodes

Author(s) -

TelVered Ran,

Yildiz Huseyin Bekir,

Willner Itamar

Publication year - 2009

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.200801612

Subject(s) - materials science , acceptor , nanoparticle , supramolecular chemistry , electron , electrode , electron acceptor , electron donor , conduction band , photochemistry , trapping , charge carrier , cyclodextrin , optoelectronics , colloidal gold , nanotechnology , crystallography , crystal structure , chemistry , catalysis , organic chemistry , condensed matter physics , ecology , physics , quantum mechanics , biology

Supramolecular assemblies consisting of CdS nanoparticles linked to I − 3 ‐encapsulated β ‐cyclodextrin and to π‐donor–acceptor complexes reveal the generation of enhanced photocurrents as a result of effective charge separation. The donor–acceptor complexes formed lead to effective trapping of the conduction‐band electrons, and to concomitant scavenging of the valence‐band holes by I − 3 ‐ encapsulated in the β ‐cyclodextrin receptor units.

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