Alkylthio-tetrasubstituted μ-Nitrido Diiron Phthalocyanines: Spectroelectrochemistry, Electrical Properties, and Heterojunctions for Ammonia Sensing
| Autor: | Rita Meunier-Prest, Ümit İşci, Marcel Bouvet, Zeynel Şahin, Fabienne Dumoulin |
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| Přispěvatelé: | Institut de Chimie Moléculaire de l'Université de Bourgogne [Dijon] (ICMUB), Centre National de la Recherche Scientifique (CNRS)-Université de Bourgogne (UB)-Institut de Chimie du CNRS (INC) |
| Rok vydání: | 2020 |
| Předmět: |
heterojunction
chemistry.chemical_element 010402 general chemistry Photochemistry 01 natural sciences Redox ammonia gas sensor Inorganic Chemistry chemistry.chemical_compound symbols.namesake [CHIM]Chemical Sciences Electrical measurements conductometric transducer Physical and Theoretical Chemistry molecular materials Alkyl ComputingMilieux_MISCELLANEOUS chemistry.chemical_classification 010405 organic chemistry Intrinsic semiconductor Heterojunction Lutetium 0104 chemical sciences phthalocyanine chemistry Phthalocyanine symbols Raman spectroscopy |
| Zdroj: | Inorganic Chemistry Inorganic Chemistry, American Chemical Society, 2020, 59 (2), pp.1057-1067. ⟨10.1021/acs.inorgchem.9b02520⟩ |
| ISSN: | 1520-510X 0020-1669 |
| Popis: | Alkylthio-tetrasubstituted μ-nitrido diiron phthalocyanine complexes are synthesized with n-butyl, iso-butyl, tert-butyl, and n-hexadecyl alkyl moieties. For the first time, a spectroelectrochemical investigation of μ-nitrido diiron phthalocyanines is achieved at all the redox steps. The complexes are stable in all their redox states, unlike their unsubstituted analogues. The interest of the present complexes is to prepare sensing devices by a solution processing method. Films are characterized by electronic absorption and Raman spectroscopies. Electrical measurements on resistors show the highly resistive behavior of these complexes, whatever the chain length. However, when combined with the lutetium bisphthalocyanine, an intrinsic semiconductor, these complexes form heterojunctions that exhibit a high sensitivity to ammonia, with a very good signal over noise ratio, at room temperature and under atmospheric conditions. |
| Databáze: | OpenAIRE |
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