Enhancement of light harvesting and photocurrent generation by ITO electrodes modified with meso,meso-linked porphyrin oligomers

Nano Letters

Volumn 3, Issue 3, 2003, Pages 409-412

  Hasobe, Taku ^a   Imahori, Hiroshi ^b,c   Yamada, Hiroko ^a   Sato, Tomoo ^b,c   Ohkubo, Kei ^a   Fukuzumi, Shunichi ^a  

^a OSAKA UNIVERSITY   (Japan)

^b KYOTO UNIVERSITY   (Japan)

^c KYOTO UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

OLIGOMER; PORPHYRIN;

ARTICLE; CHEMICAL MODIFICATION; COMPARATIVE STUDY; ELECTRIC CURRENT; ELECTRODE; PHOTOLUMINESCENCE; QUANTUM MECHANICS;

EID: 0042874422     PISSN: 15306984     EISSN: None     Source Type: Journal    
DOI: 10.1021/nl025974z     Document Type: Article

References (29)

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19. n-ref for n = 1, 2, and 4, respectively.
20. 2ITO by dividing the first anodic peak currents of the porphyrin by the Faraday constant and roughness factor = 1.3. Because of the larger experimental error involved in the CV measurements, the Γ values were determined from the area of the absorption spectra.
21. 4 on ITO.
22. 1 states judging from the difference between the absorption and excitation spectra.
23. The lamp intensity at each wavelength was determined by an optical power meter (Anritsu ML 9002A) and corrected.
24. -2 has been improved significantly by introducing the porphyrin tetramer, the surface coverage remains to be improved.
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26. 4, which are equivalent to the one-electron oxidation potentials of the corresponding radical anions, were determined by differential pulse voltammetry to be -1.16 V, -1.11 V and -1.03 V vs Ag/AgCl (sat. KCl), respectively.
27. 2P by the benzophenone radical anion. (See Supporting Information S3.)
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