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- W2015981206 abstract "LB films of an amphipathic carotenoid, 7‘-apo-7‘-(4-aminophenyl)-β-carotene (H2APC), deposited on semiconducting transparent ITO electrodes, when immersed in electrolyte-containing benzoquinone (Q) and illuminated, produced photocurrents that were measured over the spectral range of 350−700 nm. The generated photocurrent was investigated as a function of different variables: bias potential, number of LB layers, and concentration of Q in the surrounding electrolyte. Only cathodic photocurrents were observed with H2APC. The action spectrum shows that the absorption of light by the carotenoid pigment is responsible for the photocurrent effects. The photoresponse increases linearly with the number of LB layers deposited. The quantum yield of electron transfer is independent of the number of layers, indicating efficient charge and/or energy transfer between the layers. This result is unique to carotenoids films. Anodic photocurrents were not detected even in the presence of electron-donor couples. This behavi..." @default.
- W2015981206 created "2016-06-24" @default.
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- W2015981206 date "2001-05-01" @default.
- W2015981206 modified "2023-09-26" @default.
- W2015981206 title "Photoelectrochemistry of a Pigment Used in Artificial Photosynthesis: An Anilinocarotenoid" @default.
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- W2015981206 doi "https://doi.org/10.1021/jp001509j" @default.
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