Supramolecular Donor−Acceptor Heterojunctions by Vectorial Stepwise Assembly of Porphyrins and Coordination-Bonded Fullerene Arrays for Photocurrent Generation

A novel strategy for constructing a vertical arrangement of bicontinuous donor−acceptor arrays on a semiconducting electrode has been developed. The relationship between the film structure and the photoelectrochemical properties has been elucidated as a function of the number of donor layers for the...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2009-03, Vol.131 (9), p.3198-3200
Main Authors: Kira, Aiko, Umeyama, Tomokazu, Matano, Yoshihiro, Yoshida, Kaname, Isoda, Seiji, Park, Jong Kang, Kim, Dongho, Imahori, Hiroshi
Format: Article
Language:English
Subjects:
Electric Conductivity
Electrochemistry
Electrodes
Fullerenes - chemistry
Macromolecular Substances - chemical synthesis
Macromolecular Substances - chemistry
Metalloporphyrins - chemical synthesis
Metalloporphyrins - chemistry
Palladium - chemistry
Photochemistry
Surface Properties
Tin Compounds - chemistry
Zinc - chemistry
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Summary:A novel strategy for constructing a vertical arrangement of bicontinuous donor−acceptor arrays on a semiconducting electrode has been developed. The relationship between the film structure and the photoelectrochemical properties has been elucidated as a function of the number of donor layers for the first time. The maximum incident photon-to-current efficiency value (21%) is comparable to the highest value (20%) reported for vertical arrangements of bicontinuous donor−acceptor arrays on electrodes.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja8096465