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半导体纳米晶由于其丰富的能带结构和光学性质,在光电器件和生物医学应用等领域展现出了广阔的应用前景,且在过去的几十年中得到了广泛关注.因此,对其光学性质进行理性设计和精确调控具有重要的研究意义.本文简要综述了本研究组近年来在不同能带隙的无机半导体纳米晶的可控制备技术以及利用DNA纳米技术和蛋白质自组装手段构建具有特异光学性质的纳米结构等方面的相关研究工作,最后对这些纳米晶和纳米结构的独特光学性质及其在生物医学领域的应用研究进行了总结.
Due to its rich band structure and optical properties, semiconductor nanocrystals have shown promising applications in optoelectronic devices and biomedical applications, and have received much attention in the past few decades. Therefore, their optical properties It is of great research significance to conduct rational design and precise control.In this paper, we briefly reviewed the controllable preparation techniques of inorganic semiconductor nanocrystals with different energy band gaps in this research group in recent years and the application of DNA nanotechnology and protein self- Nature of nanostructures and other aspects of the relevant research work, and finally the unique optical properties of nanocrystals and nanostructures and its application in the field of biomedical research are summarized.