石墨烯量子点自首次发现以来便受到广泛的关注,然而由于石墨烯量子点结构的异质性,目前对于其发光机理的研究仍不明晰.借助现代分析表征技术全方位地解析石墨烯量子点的微观结构,对深入研究其发光机理具有重要意义.介绍了用于石墨烯量子点微观结构研究的一些常规表征手段及其发展现状,并对近期用到的一些先进表征技术(特别是联用技术)在石墨烯量子点微观结构和生物成像方面的研究进行了综述.最后对石墨烯量子点的表征技术以及研究趋势进行了展望.
Graphene quantum dots (GQDs) have attracted widespread attention in recent years.However,because of the heterogeneity of GDQs' microstructure,research on the photoluminescence mechanism is still not clear.The microstructure of GDQs can be analyzed to the full range by modern analyzing techniques,which has important significances on the study of photoluminescence mechanism of GQDs.Herein,some general charac terizing techniques were comparatively reviewed and the recent progress of advanced characterizing techniques,especially combined techniques in the research of GDQs' microstructure and bio-imaging application was placed emphasis on.Moreover,some perspectives on characterizing techniques and research trends of GQDs were presented.
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