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- W3187148053 abstract "Abstract Spirobifluorene (SBF) is one of the most important scaffolds used in the design of organic semi‐conductors (OSCs) for electronics. In recent years, among all the structures developed for these applications, SBF dimers have been highlighted due to their great potential in thermally activated delayed fluorescence and in phosphorescent organic light‐emitting diodes. Attaching two SBF units generate 10 dimers, each possessing its own structural specificity, which in turn drives its electronic properties. These ten SBF dimers are gathered herein. Understanding how the molecular assembly determines the electronic properties has been one of the pillars of organic electronics. This is the goal of this article. As positional isomerism is a key tool to design OSCs, defining the design guidelines for the SBF scaffold appears of interest for the future of this building block. Herein, the importance of the two main parameters involved in the electrochemical and photophysical properties, namely the nature of the phenyl linkages and the steric congestion between the two SBF units is discussed. The combination of these two parameters drives the electronic properties but their respective weight is different as a function of the regioisomer involved or of the property considered (frontier orbitals energy level, absorption, fluorescence, phosphorescence)." @default.
- W3187148053 created "2021-08-16" @default.
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- W3187148053 date "2021-08-06" @default.
- W3187148053 modified "2023-10-17" @default.
- W3187148053 title "Spirobifluorene Dimers: Understanding How The Molecular Assemblies Drive The Electronic Properties" @default.
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- W3187148053 doi "https://doi.org/10.1002/adfm.202104980" @default.
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