Characterization and Optimization of the Photoluminescent Properties of Imidazo[1,5-a]quinolines

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In our previous work we could show, that Imidazo[1,5-a]quinolines are compounds with interesting optical properties. In this work, we optimized the photoluminescent properties of imidazo[1,5-a]quinolines by following outlined trends in our previous work. By introducing electron-rich and electron-poor residual groups on the imidazole ring, the quantum yield (QY) could be significantly increased. This indicated a clear advantageous substitution pattern for this system. In addition, cyclic voltammetric and UV/vis measurements in solid state lay the foundation for applications, such as organic light-emitting diodes (OLEDs).

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European journal of organic chemistry 27, 45 (2024), e202400783

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