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Tailoring of energy levels in (2Z)-2-cyano-2-[2-[(E)-2-[2-[(E)-2-(p-tolyl)vinyl]thieno[3,2-b]thiophen-5-yl]vinyl]pyran-4-ylidene]acetic acid derivatives via conjugate bridge and fluorination of acceptor units for effective D–π–A dye-sensitized solar cells: DFT–TDDFT approach

Organic Charge-transfer CompoundChemical EngineeringDft–tddft ApproachDerivativesEngineeringPhotochemistryOrganic Solar CellConjugate BridgeOrganic ChemistryChemistryPhotovoltaicsEnergy LevelsSolar Cell Materials