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Aggregate 2024年第1期5卷 299-308页

作者： Zhenhong Qi Yu-Juan Ma Dongpeng Yan Beijing Key Laboratory of Energy Conversion and Storage Materials College of ChemistryKey Laboratory of Radio-pharmaceuticals Ministry of EducationBeijing Normal UniversityBeijingChina

The luminescence color of molecule-based photoactive materials is the key to the applications in lighting and optical *** 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 ***,a novel alloy strategy based on molecular co-crystals is *** 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 ***,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.

关键词： full-color emission microrods molecular co-crystal optical waveguide organic alloys

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Advances, opportunities, and challenge for full-color emissive carbon dots

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Chinese Chemical Letters 2022年第2期33卷 613-625页

作者： Xin Yang Xue Li Boyang Wang Lin Ai Guoping Li Bai Yang Siyu Lu Green Catalysis Center and College of ChemistryZhengzhou UniversityZhengzhou 450001China State Key Laboratory of Bio-Fibers and Eco-Textiles Qingdao UniversityQingdao 132101China State Key Laboratory of Superhard Materials College of PhysicsJilin UniversityChangchun 130012China State Key Lab of Supramolecular Structure and Materials College of ChemistryJilin UniversityChangchun 130012China

Carbon dots(CDs), novel luminescent zero-dimensional carbon nanomaterials, have been widely applied due to their low toxicity, optimal optical properties, and easy modification. However, the current controllable equipment and mechanism explanation of CDs are relatively vague and require urgent ***-color emission CDs, an essential CDs category, have attracted people’s attention given their light and color-tunable properties. In addition to a wider range of biological and optoelectronic device applications, full-color emission CDs have similar structures and significantly affected the fluorescence mechanism of CDs. At present, few studies have reported on the summary research of CDs emitted by its full color, which greatly limits the development of CDs mechanisms and applications. As such, the present review detailed the full-color CDs development status, to which a suitable method for preparing full-color CDs was presented and the existing fluorescence emission mechanism of full-color CDs was ***, we comprehensively introduced full-color CDs applications in biology and optoelectronics. Finally,we made an outlook on the development and potential applications of full-color CDs. The present review aims to contribute novel insights and methods for understanding full-color CDs.

关键词： Carbon dots full-color emission Preparation Fluorescence mechanism Application

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