One-dimensional molecular co-crystal alloys capable of full-color emission for low-loss optical waveguide and optical logic gate
Zhenhong Qi , Yu-Juan Ma , Dongpeng Yan
Aggregate ›› 2024, Vol. 5 ›› Issue (1) : 411
One-dimensional molecular co-crystal alloys capable of full-color emission for low-loss optical waveguide and optical logic gate
The luminescence color of molecule-based photoactive materials is the key to the applications in lighting and optical communication. Realizing continuous regulation of emission color in molecular systems is highly desirable but still remains a challenge due to the individual emission band of purely organic molecules. Herein, a novel alloy strategy based on molecular co-crystals is reported. By adjusting the molar ratio of pyrene (Py) and fluorathene (Flu), three types of molecular co-crystal alloys (MCAs) assemblies are prepared involving Py-Flu-OFN-x%, Py-Flu-TFP-x%, Py-Flu-TCNB-x%. Multiple energy level structure and Förster resonance energy transfer (FRET) process endow materials with tunable full-spectra emission color in visible region. Impressively, these MCAs and co-crystals can be successfully applied to low optical loss waveguide and optical logic gate by virtue of all-color luminescence from blue across green to red, together with smooth surface of onedimensional microrods, which show promising applications as continuous light emitters for advance photonics applications.
full-color emission / microrods / molecular co-crystal / optical waveguide / organic alloys
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2023 The Authors. Aggregate published by SCUT, AIEI, and John Wiley & Sons Australia, Ltd.
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