Charge recombination losses in thiophene-substituted porphyrin dye-sensitized solar cells
作者： Susana Arrechea , John N. Clifford , Laia Pellejà , Ana Aljarilla , Pilar de la Cruz
DOI: 10.1016/J.DYEPIG.2015.11.002
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摘要: Abstract Two new porphyrins that incorporate thiophene substituents as spacers between the conjugated porphyrin core and anchoring cyanoacrylate group have been synthesised. The two dyes differ in number of bridges; 1a has only one 1b rings connected by a double bond. measured light-to-energy conversion efficiencies were assessed using different electrolytes, LP1 LP2, which presence tert -butyl pyridine LP1. An efficiency 6% under standard measurement conditions achieved for + LP1. However, use electrolyte led to lower value approximately 4% was obtained. differences types solar cells electrolytes studied in-depth photo-induced time-resolved techniques such CE (Charge Extraction) TPV (Transient PhotoVoltage).
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