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• W2003365720 abstract "This paper presents the results of the study of correlation between the molecular structure of photoactive dyes and their spectroscopic properties with their ability for solar energy in electric energy conversion when immersed in a sandwich-like photoelectrochemical cell. Two families of dyes were investigated: porphyrins and phthalocyanines. Spectroscopic studies were accompanied with photoelectric examinations. The influence of metal incorporated into the dye molecular core and of the peripheral groups on the photoelectric response is described. Improvement of the photocurrent intensity is discussed in terms of increasing a number of π electrons in the molecular skeleton, their delocalization and weakening of their bonding in the conjugated system and energy transfer between dyes. To cite this article: D. Wróbel, C. R. Chimie 6 (2003). Cet article décrit les résultats de recherches portant sur la corrélation entre la structure moléculaire et les propriétés spectroscopiques de colorants photoactifs, d’une part, et sur la faisabilité de leur utilisation en vue de la conversion de l’énergie solaire en énergie électrique, d’autre part. Deux familles de colorants ont été étudiées : les porphyrines et les phthalocyanines. Les études spectroscopiques étaient accompagnées d’études photo-électriques. L’influence de l’ion métallique incorporé au centre moléculaire et celle des groupements périphériques sont discutées. L’amélioration de la réponse photovoltaïque est discutée en termes d’augmentation du nombre d’électrons π dans le squelette moléculaire, de leur délocalisation, d’affaiblissement de la force de liaison dans le système conjugué et de transfert d’énergie entre les colorants. Pour citer cet article : D. Wróbel, C. R. Chimie 6 (2003)." @default.
• W2003365720 created "2016-06-24" @default.
• W2003365720 creator A5080226369 @default.
• W2003365720 date "2003-03-01" @default.
• W2003365720 modified "2023-09-26" @default.
• W2003365720 title "Organic photovoltaic solar cells: spectroscopic and photoelectric properties of photoactive dyes" @default.
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• W2003365720 doi "https://doi.org/10.1016/s1631-0748(03)00052-3" @default.
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