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Synthesis And Characterization Of Platinum(Ii) Complexes Of Electron Donor And Acceptor Ligands, Namrata Khanal
Synthesis And Characterization Of Platinum(Ii) Complexes Of Electron Donor And Acceptor Ligands, Namrata Khanal
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Pt(II) complexes of N,N-diphenylpyridineamine or 4-diphenylphosphino derivatized triphenylamine as novel electron donors and alkynyl derivatized benzothiadiazole as electron acceptors were synthesized. All the complexes were characterized by 1H and 13C nuclear magnetic resonance spectroscopy, electronspray ionization mass spectrometry, infrared spectroscopy, and 31P nuclear magnetic resonance spectroscopy for the complexes of 4-diphenylphosphino derivatives. The electronic properties studied using UV/vis spectroscopy exhibit ᴫ-ᴫ* transition, metal to ligand charge transfer, and optical highest occupied molecular orbital-lowest unoccupied molecular orbital bandgaps from 2.62-2.65 eV. The electrochemical study performed using cyclic voltammetry have shown the highest occupied molecular orbital-lowest unoccupied molecular orbital bandgaps from 2.70-2.74 …