Pintus, Anna, Ambrosio, Lucia, Aragoni, M. Carla, Binda, Maddalena, Coles, Simon J., Hursthouse, Michael, Isaia, Francesco, Lippolis, Vito, Meloni, Giammarco, Natali, Dario A.N., Orton, James, Podda, Enrico, Sampietro, Marco and Arca, Massimiliano (2020) Photoconducting devices with response in the visible-NIR region based on neutral Ni complexes of aryl-1,2-dithiolene ligands. Inorganic Chemistry, 59 (9), 6410-6421. (doi:10.1021/acs.inorgchem.0c00491).
Abstract
Metal bis(1,2-dithiolene) complexes belonging to the class [Ni(Ar-edt)2]x- [Ar-edt2- = arylethylene-1,2-dithiolate; Ar = phenyl, (1x-), 2-naphthyl (2x-); x = 0 and 1] were fully characterized by NMR, UV-visible-near-infrared (UV-vis-NIR), diffuse reflectance, and FT-IR spectroscopy, as well as cyclic voltammetry and single-crystal X-ray diffraction analysis. These complexes have emerged as new photoconducting materials that allowed for the development of a prototype of photodetectors with response in the vis-NIR region. The photodetecting devices showed in some cases quantum efficiencies orders of magnitude higher than those of previously reported 1,2-dithiolene systems.
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