In:
Japanese Journal of Applied Physics, IOP Publishing, Vol. 37, No. 2A ( 1998-02-01), p. L132-
Abstract:
The cosensitization of a nanostructured titanium dioxide (TiO 2 ) electrode with tetrasulfonated gallium phthalocyanine (0.39) and tetrasulfonated zinc porphyrin (0.61) greatly enhances the photocurrent response in the GaTsPc Q band (640–760 nm), with sixtyfold improvement in the quantum efficiency at 700 nm, and markedly decreases the photocurrent response in the Soret band of ZnTsPP, with an eightfold drop of the quantum efficiency at 430 nm. The quantum efficiency of 32.2% at 700 nm is obtained for monochromatic illumination at 13.8 µW·cm -2 , which presents one of the highest efficiencies reported for long wavelengths. This is attributed to the formation of the Pc/PP heteroaggregates on the cosensitized TiO 2 electrode resulting from charge-transfer interaction.
Type of Medium:
Online Resource
ISSN:
0021-4922
,
1347-4065
DOI:
10.1143/JJAP.37.L132
Language:
Unknown
Publisher:
IOP Publishing
Publication Date:
1998
detail.hit.zdb_id:
218223-3
detail.hit.zdb_id:
797294-5
detail.hit.zdb_id:
2006801-3
detail.hit.zdb_id:
797295-7
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