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[摘要]：A review. The synthesis, mol. structures, reactions, and properties of 4,5-diazafluorene derivs. have been studied because of their potential applications in org. devices. These compds. have similarities to 2,2'-bipyridyl and 1,10-phenanthroline derivs. They also exhibit unique reactivities and properties different from these compds. due to the fluorene moieties. The applications of 4,5-diazafluorenes have been widely investigated in various research fields to afford new functional materials such as electron-transporting materials, org. emitters, emissive complexes, sensing elements, solar sensitizers, and DNA-photocleaving agents. |
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