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|Type:||Artigo de periódico|
|Title:||Influence Of Dna And Dna-pedot: Pss On Dye Sensitized Solar Cell Performance|
|Abstract:||The present work shows the results of preparation, characterization, and application of DNA and DNA-PEDOT:PSS coatings as HTM in small dye sensitized solar cells. The samples were analyzed by impedance, UV-Vis and microscopic measurements. The measured ionic conductivities of the DNA membranes were of 2.5x10(-5) and 1.6x10(-3) S/cm at 25 and 75 degrees C, respectively. The addition of PEDOT:PSS to the samples lowered the conductivities to 10(-5)-10(-4) S/cm in the 25-75 degrees C temperature range. The samples of DNA-PEDOT:PSS also showed lower transmittance as compared to pure DNA ones, which was due to their blue coloration. The addition of DNA and DNA-PEDOT:PSS as HTM in DSSC promoted a decrease of the device conversion efficiency, explained as due to the change of TiO2-DNA morphology, increase of the device reflectance, and significant changes in device series and shunt resistances.|
Dye Sensitized Solar Cells
Solar Energy Conversion
|Editor:||TAYLOR & FRANCIS LTD|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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