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碳量子點的合成、光學性質與生物影像與癌症治療上的應用

Synthesis, Optical Properties of Carbon Dots and Its Applications in Bio-imaging and Cancer Therapy

摘要


碳量子點為有趣的碳奈米材料成員之一,其尺寸一般小於10奈米。在不同製備條件下,以小分子、聚合物或是石墨烯等作為起始物,可合成具有不同特性的碳量子點。因許多碳量子點具有高量子產率,獨特的光學性質(如發光顏色和激發波長有關)、生物相容性和光及化學穩定性,已成為重要的感測物質。本文回顧碳量子點製備方法、光學性質與放光機制,並介紹碳量子點於生物影像與癌症治療上的應用。

並列摘要


Carbon dots, usually with sizesless than 10 nm, are one of interesting carbon-based nanomaterials. They can be prepared from various precursors such as organic small molecules, polymers, and graphene under different conditions. Most carbon dots possess high quantum yields, unique optical properties (excitation-wavelength dependent emission), biocompatibility, and chemical/ photo stability, which have become important sensing materials. This review summarizes synthesis of carbon dots, their optical properties and origin of their photoluminescence, and their applications in bio-imaging and cancer therapy.

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