Carbon dots: Synthesis methods, properties and chemical sensing applications
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In this article, we have reviewed the recent progress made in this newest member of carbon nanomaterials, focusing on their synthetic strategies namely top-down and bottom-up methods. In addition, their properties including morphology and structure, compositions, optical properties (absorbance, photoluminescence properties, quantum yields and luminescence mechanisms) have been presented. For the applications of this newest member of fluorescent nanoparticles, CDs both with and without being functionalized recognition elements are selective and sensitive for sensing of analytes, including metal ions (e.g., Hg2+, Cu2+, Pb2+), non-metallic ions (e.g. sulfide ions, pyro phosphate ions, sulphite) and small organic molecules (e.g., bisphenol A, dihydroxy benzene, hydroquinone) have been reviewed. Also, the proposed fluorescence sensing mechanism of CDs have been outlined for the explanation of effectively selective and sensitive detections of inorganic ions and small organic molecules of CDs.
Nội dung trích xuất từ tài liệu:
Carbon dots: Synthesis methods, properties and chemical sensing applications
Nội dung trích xuất từ tài liệu:
Carbon dots: Synthesis methods, properties and chemical sensing applications
Tìm kiếm theo từ khóa liên quan:
Carbon dots (CDs) Top-down method Bottom-up method Chemical sensing Inorganic ions Organic moleculesTài liệu liên quan:
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