2006
DOI: 10.1016/j.solmat.2006.02.006
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Blue sensitizers for solar cells: Natural dyes from Calafate and Jaboticaba

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Cited by 240 publications
(124 citation statements)
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“…9 Leaf ethanolic extract has revealed antimicrobial activities on Streptococcus in the oral cavity responsible for dental plaque 10 and anthocyanin-rich extracts of crushed skins have been reported as a natural source of dye sensitizer and may be a less costly alternative for the production of solar cells. 11 Despite the great potential and growing regional market for M. cauliflora, including cosmetics and fragrance, 12 the essential oil compositions from its leaves and fruits as well as the environmental influence on phenolic contents have not yet been investigated.We now report on the results obtained for the composition of volatiles and phenolic contents of M. cauliflora leaves. They were collected from cultivated populations on six different soils of Jabuticabal Winery, located in the Central Brazilian Cerrado.…”
mentioning
confidence: 99%
“…9 Leaf ethanolic extract has revealed antimicrobial activities on Streptococcus in the oral cavity responsible for dental plaque 10 and anthocyanin-rich extracts of crushed skins have been reported as a natural source of dye sensitizer and may be a less costly alternative for the production of solar cells. 11 Despite the great potential and growing regional market for M. cauliflora, including cosmetics and fragrance, 12 the essential oil compositions from its leaves and fruits as well as the environmental influence on phenolic contents have not yet been investigated.We now report on the results obtained for the composition of volatiles and phenolic contents of M. cauliflora leaves. They were collected from cultivated populations on six different soils of Jabuticabal Winery, located in the Central Brazilian Cerrado.…”
mentioning
confidence: 99%
“…The performance of natural dye sensitizer in DSSC has been estimated using fill factor (FF), energy conversion efficiency (η) (J sc ), open circuit voltage (V oc ), and short circuit current. Many parts of a plant have been tested by Researchers (see Table 1) and various useful dyes have been highlighted as photo-sensitizers for DSSC from natural products [35][36][37][38][39][40][41][42]. …”
Section: Natural Dye Sensitizersmentioning
confidence: 99%
“…28 No caso do extrato de mirtilo, as demais antocianidinas presentes (malvidina, petunidina e peonidina, Figura 2) provavelmente se adsorvem pouco à superfície do TiO 2 devido ao impedimento estérico provocado pelos grupos metoxi presentes em posições adjacentes aos grupos hidroxilas e que são responsáveis pela condensação na superfície das nanopartículas de TiO 2 . 37 Dessa forma, a diferença de eficiência encontrada entre os extratos pode ser associada aos diferentes glicosídeos ligados à cianidina. Os glicosídeos exercem uma grande influência nas propriedades dos estados excitados nas antocianinas e, assim, influenciam no rendimento quântico de injeção de elétrons na banda de condução do TiO 2 .…”
Section: Figura 2 Estrutura Das Antocianidinasunclassified
“…Como mediador, utilizou-se uma solução de As células solares foram caracterizadas por meio de curvas corrente-potencial, I-V, e espectros de ação, APCE, conforme descrito anteriormente. 37,41 Para a obtenção das curvas I-V, um potenciostato/ galvanostato PAR273A e um simulador solar (Newport) equipado com um filtro AM1,5 direto foram utilizados.…”
Section: Introductionunclassified