Células Solares Sensibilizadas Com Corantes Naturais Extraído das Plantas Nerium Oleander e Portulaca Grandiflora

Authors

  • Alexandra de Vasconcelos Feitosa Universidade Federal do Ceará http://orcid.org/0000-0002-1840-3671
  • José Hugo de Aguiar Sousa Universidade Estadual do Ceará
  • Francisco Sales Ávila Cavalcante Universidade Federal do Ceará

DOI:

https://doi.org/10.5902/2179460X22466

Keywords:

Corante natural. Células solares. Energia solar.

Abstract

A utilização da energia solar para geração da energia elétrica tem sido cada vez mais considerada em vários países do mundo como uma ótima alternativa para redução dos impactos ambientais causados pelo homem, especialmente os associados às mudanças climáticas. Células solares sensibilizadas por corante têm sido estudadas como uma promissora fonte de energia renovável, devido à sua tecnologia de fabricação de baixo custo em comparação com células solares de silício. Neste trabalho, os sensibilizadores utilizados foram corantes naturais extraídos de pétalas de duas plantas ornamentais encontradas no Brasil: Nerium oleander e Portulaca grandiflora. Os resultados mostram que os solventes absorvem na região do visível e o melhor resultado foi obtido utilizando o extrato etanólico da planta Nerium oleander com densidade de corrente de 0,24 mA/cm2.

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Author Biographies

Alexandra de Vasconcelos Feitosa, Universidade Federal do Ceará

Licenciatura em Química - Universidade Federal do Ceará

Mestrado em Ciências Físicas Aplicadas - Universidade Estadual do Ceará

Doutorado em Recursos Hídricos - Saneamento Ambiental - Universidade Federal do Ceará

José Hugo de Aguiar Sousa, Universidade Estadual do Ceará

Graduação em Física - Universidade Estadual do Ceará

Mestrado em Ciências Físicas Aplicadas - Universidade Estadual do Ceará

Francisco Sales Ávila Cavalcante, Universidade Federal do Ceará

Graduação em Física - Universidade Federal do Ceará
Mestrado em Física - Universidade Federal do Ceará
Doutorado em Física - Universidade Federal do Ceará

Professor Adjunto da Universidade Estadual do Ceará

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Published

2016-09-28

How to Cite

Feitosa, A. de V., Sousa, J. H. de A., & Cavalcante, F. S. Ávila. (2016). Células Solares Sensibilizadas Com Corantes Naturais Extraído das Plantas Nerium Oleander e Portulaca Grandiflora. Ciência E Natura, 38(3), 1191–1196. https://doi.org/10.5902/2179460X22466

Issue

Vol. 38 No. 3 (2016)

Section

Physics

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