Novel Triazine-Benzothiadiazole Luminophores: Design, Synthesis and Optical Characterization

Abstract

Development of new efficient organic luminophores for optoelectronic applications (OLEDs, sensors) remains a pressing challenge in modern materials science. The 1,3,5-triazine unit, owing to its pronounced electron-accepting character, serves as a versatile building block for the design of luminescent materials with tunable optical properties1. In this work, we present the synthesis of a series of novel 2,1,3-benzothiadiazole derivatives incorporating various peripheral 1,3,5-triazine fragments. The fluorescence quantum yield reaches 78% in cyclohexane while dropping to 6% in THF, a behavior rationalized by conformational effects.

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References

1. Y. Wang, Y. Zhu, X. Lin et al., J. Mater. Chem. C, 6, 568-574 (2018).
2. Skorotetcky et al., J. Phys. Chem. B, 126, 10893-10906 (2022).