碳点(CDs)是近年来出现的一类新型碳纳米材料,具有毒性低、环境友好、合成路线简单和成本低等优点。通过对CDs合成原材料筛选、掺杂、尺寸控制、钝化/功能化,可以调控其物理化学性质,改善光学性质,在化学生物传感、催化、能源以及信息防伪等领域得到了广泛的应用。重点综述了碳源、改性手段对CDs制备的影响,概述了碳点在荧光墨水和防伪材料方面的研究进展,并对CDs的研究重点和应用前景进行了总结与展望。
Carbon dots (CDs) are a new type of carbon nanomaterials emerging in recent years,which have the advantages of low toxicity,environmental friendliness,simple synthesis route and low cost.With screening of synthetic raw materials and doping,size control and passivation/functionalization of CDs,the physical and chemical properties of CDs can be regulated,and improved their optical properties,CDs has been widely used in chemical and biological sensing,catalysis,energy and information security.The effects of carbon sources and modification methods on the preparation of CDs were reviewed.Furthermore,the research progress of CDs in fluorescent inks and anti-counterfeiting materials was summarized.In addition,the research focus and application prospect of CDs were summarized and prospected.
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基金资助
国家自然科学基金青年科学基金项目(21503137);辽宁省科技计划项目(2017230001)
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