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Registros recuperados : 216 | |
161. | | LASSO, P. R. O.; VAZ, C. M. P.; BERNARDI, A. C. de C.; OLIVEIRA, C. R. de; BACCHI, O. O. S. Avaliação do uso de resíduos de construção e demolição reciclados como corretivo da acidez do solo. Revista Brasileira de Ciência do Solo, Viçosa, v. 37, n. 6, p. 1659-1668, 2013. Biblioteca(s): Embrapa Pecuária Sudeste. |
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162. | | LASSO, P. R. O.; GUANOR, J. R. do; BERNARDI, A. C. de C.; VAZ, C. M. P.; OLIVEIRA, C. R. de; BACCHI, O. O. S. Avaliação da utilização de resíduos de construção e demolição reciclados (RCD-R) como condicionador de solos. In: JORNADA CIENTÍFICA - EMBRAPA SÃO CARLOS, 2., 2010, São Carlos, SP. Anais... São Carlos: Embrapa Instrumentação Agropecuária: Embrapa Pecuária Sudeste, 2010. p. 40. (Embrapa Instrumentação Agropecuária. Documentos, 50). Biblioteca(s): Embrapa Instrumentação; Embrapa Pecuária Sudeste. |
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163. | | LASSO, P. R. O.; GUANOR, J. R. do; CARDOSO, R. D.; BERNARDI, A. C. de C.; VAZ, C. M. P.; OLIVEIRA, C. R. de; BACCHI, O. O. S. Avaliação da utilização de resíduos de construção e demolição reciclados (RCD-R) como corretivos de acidez do solo. In: JORNADA CIENTÍFICA - EMBRAPA SÃO CARLOS, 2., 2010, São Carlos, SP. Anais... São Carlos: Embrapa Instrumentação Agropecuária: Embrapa Pecuária Sudeste, 2010. p. 41. (Embrapa Instrumentação Agropecuária. Documentos, 50). Biblioteca(s): Embrapa Instrumentação; Embrapa Pecuária Sudeste. |
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165. | | ROCHA, D. D. D.; SILVA, L. F.; PAIVA, P. M. de; DANTAS, C. L.; OLIVEIRA, C. R. de; VALICENTE, F. H. Incidencia de Helicoverpa zea (Lepidoptera: Noctuidae) e impacto na produtividade de milho Bt. In: CONGRESSO BRASILEIRO DE ENTOMOLOGIA, 26.; CONGRESSO LATINO-AMERICANO DE ENTOMOLOGIA, 9., 2016, Maceió. Anais... Brasília, DF : Embrapa, 2016. p. 585. Biblioteca(s): Embrapa Milho e Sorgo. |
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168. | | MIRANDA, M.; FERNANDES, C.; PILON, L.; SPRICIGO, P. C.; OLIVEIRA, C. R. de; MATTOSO, L. H. C.; CORREA, D. S.; FERREIRA, M. D. Avaliação do potencial de nanoemulsões comerciais na conservação pós-colheita de frutos. In: WORKSHOP DA REDE DE NANOTECNOLOGIA APLICADA AO AGRONEGÓCIO, 7.; ESCOLA DE NANOTECNOLOGIA, 3., 2013, São Carlos, SP. Anais... São Carlos, SP: Embrapa Instrumentação, 2013. p. 114-115 Editores: Maria Alice Martins, Odílio Benedito Garrido de Assis, Caue Ribeiro, Luiz Henrique Capparelli Mattoso. CD-ROM. Editores: Maria Alice Martins, Odílio Benedito Garrido de Assis, Caue Ribeiro, Luiz Henrique Capparelli Mattoso. Biblioteca(s): Embrapa Instrumentação. |
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169. | | DANTAS, C. L.; RESENDE, J. P.; OLIVEIRA, C. R. de; NUNES, G. H. F.; CARVALHO, K. S. de; MARTINS, J. L. A.; MOREIRA, R. O.; VALICENTE, F. H. Monitoramento da Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae) em milho Bt. In: CONGRESSO BRASILEIRO DE ENTOMOLOGIA, 27.; CONGRESSO LATINO-AMERICANO DE ENTOMOLOGIA, 10., 2018, Gramado. Saúde, ambiente e agricultura: anais. Gramado: SEB, 2018. p. 1139. Biblioteca(s): Embrapa Milho e Sorgo. |
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170. | | BYZYNSKI, G.; MELO, C.; VOLANTI, D. P.; FERRER, M. M.; GOUVEIA, A. F.; OLIVEIRA, C. R. de; ANDRÉS, J.; LONGO, E. The interplay between morphology and photocatalytic activity in ZnO and N-doped ZnO crystals. In: Materials and Design, v. 120, 2017. 363-375 Biblioteca(s): Embrapa Instrumentação. |
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171. | | WOLFF, M.; LOBE, S.; DELLEN, C.; UHLENBRUCK, S.; OLIVEIRA, C. R. de; GUICHARD, X. H.; NIEDERBERGER, M.; MAKVANDI, A.; PETERLECHNER, M.; WILDE, G.; FATTAKHOVA-ROHLFING, D.; GUILLON, O. A microwave-based one-pot process for homogeneous surface coating: improved electrochemical performance of Li(Ni1/3Mn1/3Co1/3)O2 with a nano-scaled ZnO:Al layer. Nano Select, v. 2, n. 1, 2021. 146-157 Biblioteca(s): Embrapa Instrumentação. |
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172. | | KLAIC, R.; GIROTO, A. S.; GUIMARÃES, G. G. F.; PLOTEGHER, F.; OLIVEIRA, C. R. de; ZANGIROLAMI, T. C.; FARINAS, C. S. Nanocomposite of starch-phosphate rock bioactivated for environmentally-friendly fertilization. Minerals Engineering, v. 128, p. 230-237, 2018. 230-237 Biblioteca(s): Embrapa Instrumentação. |
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173. | | PEREIRA, E. I.; GIROTO, A. S.; BORTOLIM, A.; YAMAMOTO, C. F.; MARCONCINI, J. M.; BERNARDI, A. C. de C.; OLIVEIRA, C. R. de. Perspectives in nanocomposites for the slow and controlled release of agrochemicals: fertilizers and pesticides. In: RAI, M.; RIBEIRO, C.; MATTOSO, L.; DURAN, N. (Ed.). Nanotechnologies in food and agriculture. Switzerland: Springer, 2015. p. 241-265. Biblioteca(s): Embrapa Instrumentação. |
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174. | | ZIMER, A. M.; MACHADO, M. M. P.; COSTA JUNIOR, L. J. D.; IKE, P. T. L.; IEMMA, M. R. C.; OLIVEIRA, C. R. de; PEREIRA, E. C. Optimized porous anodic alumina membranes for water ultrafiltration of pathogenic bacteria (E. coli). Journal of Nanoscience and Nanotechnology, [S. l.], v. 16, p. 6526-6534, 2016. Biblioteca(s): Embrapa Instrumentação. |
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175. | | PLOTEGHER, F.; SANTOS, R. B.; JUNIOR, V. R.; MAJARON, R. F.; MAJARON, V. F.; POLITO, W. L.; OLIVEIRA, C. R. de. Overcoating: a strategy for the delivery and control of nutrient release in fertilizers. In: INTERNATIONAL CONGRESS ON CERAMICS, 7., CONGRESSO BRASILEIRO DE CERÂMICA, 62., 2018, Foz do Iguaçu. Resumos... Foz do Iguaçu: Metallum, 2018. p. 376. Biblioteca(s): Embrapa Instrumentação. |
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176. | | FIGUEIREDO, A.; VIEIRA, N. C. S; AVANSI, W.; OLIVEIRA, C. R. de; MASTELARO, V. R.; ZUCOLOTTO, V.; GUIMARÃES, F. E. G. Multicomposites of Dendrimers and vanadium pentoxide nanostructures: application as pH sensors. In: ENCONTRO DA SBPMAT, 10.; BRAZILIAN MRS MEETING, 10., 2011, Gramado. Resumos... Rio de Janeiro: SBPMat, 2011. não paginado. Biblioteca(s): Embrapa Instrumentação. |
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177. | | NOGUEIRA, A. E.; RIBEIRO, L. S.; GORUP, L. F.; SILVA, G. T. S. T.; SILVA, F. F. B.; OLIVEIRA, C. R. de; CAMARGO, E. R. New approach of the oxidant peroxo method (OPM) route to obtain Ti(OH)4 nanoparticles with high photocatalytic activity under visible radiation. International Journal of Photoenergy, v. 2018, ID 6098302, 10 p., 2018. Biblioteca(s): Embrapa Instrumentação. |
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178. | | OLIVEIRA, J. A.; NOGUEIRA, A. E.; GONÇALVES, M. C. P.; PARIS, E. C.; OLIVEIRA, C. R. de; POIRIER, G. Y.; GIRALDI, T. R. Photoactivity of N-doped ZnO nanoparticles in oxidative and reductive reactions. Applied Surface Science, v. 433, p. 879-886, 2018. Biblioteca(s): Embrapa Instrumentação. |
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180. | | NASCIMENTO, E. S. P do; OLIVEIRA, C. R. de; GONÇALVES, P. de S.; COSTA, R. B. da; MORENO, R. M. B.; MATTOSO, L. H. C.; FERREIRA, A. G. Effect of rootstock on the scion of Hevea brasiliensis through metabolic analysis of latex samples by ¹H NMR. Crop Breeding and applied biotechnology S1, Londrina, p. 82-88, 2011. Biblioteca(s): Embrapa Instrumentação. |
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Registros recuperados : 216 | |
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Registro Completo
Biblioteca(s): |
Embrapa Instrumentação. |
Data corrente: |
10/11/2023 |
Data da última atualização: |
15/01/2024 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
CONCEIÇÃO, L. R. B. da; CUNHA. H. O. da; LEITE, A. M. B.; BABU, R. S.; RAJA, S.; OLIVEIRA, C. R. de; BARROS, A. L. F. de. |
Afiliação: |
Centro Federal de Educação Tecnológica Celso Suckow da Fonseca; Centro Federal de Educação Tecnológica Celso Suckow da Fonseca; Centro Federal de Educação Tecnológica Celso Suckow da Fonseca; Centro Federal de Educação Tecnológica Celso Suckow da Fonseca; Federal University of São Carlos (UFSCar); CAUE RIBEIRO DE OLIVEIRA, CNPDIA; Centro Federal de Educação Tecnológica Celso Suckow da Fonseca. |
Título: |
Evaluation of Solar Conversion Efficiency in Dye-sensitized Solar Cells Using Natural Dyes Extracted from Alpinia purpurata and Alstroemeria Flower Petals as Novel Photosensitizers. |
Ano de publicação: |
2023 |
Fonte/Imprenta: |
Colorants, v. 2, 2023. |
Páginas: |
618 - 631 |
DOI: |
https://doi.org/10.3390/colorants2040032 |
Idioma: |
Inglês |
Conteúdo: |
bstract: Herein, we evaluate the conversion efficiency of dye-sensitized solar cells (DSSCs) photosensitized using two different natural dyes extracted from Alpinia purpurata and Alstroemeria flower petals. The appreciable absorption capacity of the extracts in the visible light region was examined through absorption spectroscopy. The functional groups of the corresponding pigments were identified through Fourier transform spectroscopy (FTIR) technique thus indicating the presence of cyanidin 3-glycosides and piperine in the flowers of Alstroemeria and Alpinia purpurata. The extracted dyes were immobilized on TiO2 on transparent conducting FTO glass, which were used as photoanode. The dye-coated TiO2 photoanode, pt photocathode and iodide/triiodide redox electrolyte assembled into a cell module was illuminated by a light source intensity 100 mW/cm2 to measure the photovoltaic conversion efficiency of DSSCs. The TiO2 anode and Pt counter electrode surface roughness and morphological studies were evaluated using atomic force microscope (AFM) and field emission scanning electron microscopy (FESEM), respectively. Through the photoelectric characterizations, it was promising to verify that the solar conversion efficiency was calculated with the photovoltaic cell sensitized by Alstroemeria and Alpinia purpurata. This was achieved with a yield (η) of 1.74% and 0.65%, with an open-circuit voltage (Voc) of 0.39 and 0.53 V, short-circuit current density (Jsc) of 2.04 and 0.49 mA/cm2 , fill factor (FF) of 0.35 and 0.40, and Pmax of 0.280 and 0.100 mW/cm2 respectively. The results are promising and demonstrate the importance of the search for new natural dyes to be used in organic solar cells for the development of devices that generate electricity in a sustainable way. Menosbstract: Herein, we evaluate the conversion efficiency of dye-sensitized solar cells (DSSCs) photosensitized using two different natural dyes extracted from Alpinia purpurata and Alstroemeria flower petals. The appreciable absorption capacity of the extracts in the visible light region was examined through absorption spectroscopy. The functional groups of the corresponding pigments were identified through Fourier transform spectroscopy (FTIR) technique thus indicating the presence of cyanidin 3-glycosides and piperine in the flowers of Alstroemeria and Alpinia purpurata. The extracted dyes were immobilized on TiO2 on transparent conducting FTO glass, which were used as photoanode. The dye-coated TiO2 photoanode, pt photocathode and iodide/triiodide redox electrolyte assembled into a cell module was illuminated by a light source intensity 100 mW/cm2 to measure the photovoltaic conversion efficiency of DSSCs. The TiO2 anode and Pt counter electrode surface roughness and morphological studies were evaluated using atomic force microscope (AFM) and field emission scanning electron microscopy (FESEM), respectively. Through the photoelectric characterizations, it was promising to verify that the solar conversion efficiency was calculated with the photovoltaic cell sensitized by Alstroemeria and Alpinia purpurata. This was achieved with a yield (η) of 1.74% and 0.65%, with an open-circuit voltage (Voc) of 0.39 and 0.53 V, short-circuit current density (Jsc) of 2.04 and 0.49 mA/... Mostrar Tudo |
Palavras-Chave: |
Dye-sensitized solar cells; Photosensitizers; Photovoltaics; Renewable energy. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1158222/1/P-Evaluation-of-Solar-Conversion-Efficiency-in-Dye-sensitized-Solar.pdf
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Marc: |
LEADER 02669naa a2200265 a 4500 001 2158222 005 2024-01-15 008 2023 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.3390/colorants2040032$2DOI 100 1 $aCONCEIÇÃO, L. R. B. da 245 $aEvaluation of Solar Conversion Efficiency in Dye-sensitized Solar Cells Using Natural Dyes Extracted from Alpinia purpurata and Alstroemeria Flower Petals as Novel Photosensitizers.$h[electronic resource] 260 $c2023 300 $a618 - 631 520 $abstract: Herein, we evaluate the conversion efficiency of dye-sensitized solar cells (DSSCs) photosensitized using two different natural dyes extracted from Alpinia purpurata and Alstroemeria flower petals. The appreciable absorption capacity of the extracts in the visible light region was examined through absorption spectroscopy. The functional groups of the corresponding pigments were identified through Fourier transform spectroscopy (FTIR) technique thus indicating the presence of cyanidin 3-glycosides and piperine in the flowers of Alstroemeria and Alpinia purpurata. The extracted dyes were immobilized on TiO2 on transparent conducting FTO glass, which were used as photoanode. The dye-coated TiO2 photoanode, pt photocathode and iodide/triiodide redox electrolyte assembled into a cell module was illuminated by a light source intensity 100 mW/cm2 to measure the photovoltaic conversion efficiency of DSSCs. The TiO2 anode and Pt counter electrode surface roughness and morphological studies were evaluated using atomic force microscope (AFM) and field emission scanning electron microscopy (FESEM), respectively. Through the photoelectric characterizations, it was promising to verify that the solar conversion efficiency was calculated with the photovoltaic cell sensitized by Alstroemeria and Alpinia purpurata. This was achieved with a yield (η) of 1.74% and 0.65%, with an open-circuit voltage (Voc) of 0.39 and 0.53 V, short-circuit current density (Jsc) of 2.04 and 0.49 mA/cm2 , fill factor (FF) of 0.35 and 0.40, and Pmax of 0.280 and 0.100 mW/cm2 respectively. The results are promising and demonstrate the importance of the search for new natural dyes to be used in organic solar cells for the development of devices that generate electricity in a sustainable way. 653 $aDye-sensitized solar cells 653 $aPhotosensitizers 653 $aPhotovoltaics 653 $aRenewable energy 700 1 $aCUNHA. H. O. da 700 1 $aLEITE, A. M. B. 700 1 $aBABU, R. S. 700 1 $aRAJA, S. 700 1 $aOLIVEIRA, C. R. de 700 1 $aBARROS, A. L. F. de 773 $tColorants$gv. 2, 2023.
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