Direct comparison of dithienosilole and dithienogermole as π-conjugated linkers in photosensitizers for dye-sensitized solar cells

We recently reported dipyridinosilole (DPyS) and dipyridinogermole (DPyG) as π‐conjugated units that show low‐temperature phosphorescence. A copper complex of DPG shows solid‐state phosphorescence at room temperature. In this work, we prepared diphenyldipyridinostannole (DPySn1). Its optical and electrochemical properties were investigated and compared with those of DPyS1 and DPyG1 with the same phenyl substituents. DPySn1 showed the most red‐shifted phosphorescence at 520 nm at 77 K in the solid‐state, which is likely due to the intermolecular Sn‐pyridine interaction that was confirmed by single‐crystal X‐ray diffraction. Copper complexes of DPyS1 and DPySn1 were also prepared and it was found that the phosphorescence of these dipyridinometallole‐copper complex solids was red‐shifted in the order of DPySn1−Cu (617 nm)

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Crystal Structures and Phosphorescent Properties of Group 14 Dipyridinometalloles and Their Copper Complexes

Ohshita

Yamaji

Adachi

2020

ChemPlusChem

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First principle investigation of new dithienosilole-based dyes for DSSCs: effects of auxiliary acceptor groups

2022

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Efficient phenothiazine-ruthenium sensitizers with high open-circuit voltage (Voc) for high performance dye-sensitized solar cells

Jia

Peng

et al. 2020

Dyes and Pigments

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Direct comparison of dithienosilole and dithienogermole as π-conjugated linkers in photosensitizers for dye-sensitized solar cells

Abstract: The photophysical properties and DSSC performances of dithienosilole (DTS) and dithienogermole (DTG) containing photosensitizing dyes were directly compared.

Cited by 11 publications

References 60 publications

Crystal Structures and Phosphorescent Properties of Group 14 Dipyridinometalloles and Their Copper Complexes

Crystal Structures and Phosphorescent Properties of Group 14 Dipyridinometalloles and Their Copper Complexes

First principle investigation of new dithienosilole-based dyes for DSSCs: effects of auxiliary acceptor groups

Efficient phenothiazine-ruthenium sensitizers with high open-circuit voltage (Voc) for high performance dye-sensitized solar cells

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