Platinum diimine-dithiolate complexes as a new class of photoconducting compounds for pristine photodetectors: case study on [Pt(bipy)(Naph-edt)] (bipy = 2,2′-bipyridine; Naph-edt = 2-naphthylethylene-1,2-dithiolate)

The photoconducting properties of platinum diimine-dithiolate complex [Pt(bipy)(Naph-edt)] ( 1 ; bipy = 2,2′-bipyridine; Naph-edt 2− = 2-naphthylethylene-1,2-dithiolate) were investigated. DFT calculations on a model assembly with four complex units suggest that the high external quantum efficency m...

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Bibliographic Details
Published in:Dalton transactions : an international journal of inorganic chemistry 2021-06, Vol.5 (22), p.7527-7531
Main Authors: Aragoni, M. Carla, Arca, Massimiliano, Binda, Maddalena, Caltagirone, Claudia, Lippolis, Vito, Natali, Dario, Podda, Enrico, Sampietro, Marco, Pintus, Anna
Format: Article
Language:English
Subjects:
Diimide
Photometers
Platinum
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Summary:The photoconducting properties of platinum diimine-dithiolate complex [Pt(bipy)(Naph-edt)] ( 1 ; bipy = 2,2′-bipyridine; Naph-edt 2− = 2-naphthylethylene-1,2-dithiolate) were investigated. DFT calculations on a model assembly with four complex units suggest that the high external quantum efficency measured on a prototype photodetector correlates with the intermolecular character of electronic excitations in the visible region. A pristine photodetector based on the heteroleptic diimine-dithiolate complex [Pt(bipy)(Naph-edt)] is reported showing EQE values (50%@600 nm) much larger than those measured for any homoleptic bis(1,2-dithiolene) metal complex.
ISSN:1477-9226
1477-9234
DOI:10.1039/d1dt01288f