School of Chemistry and Chemical Engineering, Nantong University , Nantong 226019, P.R. China.
Department of Microelectronic Science and Engineering, Faculty of Science, Ningbo University , Ningbo 315211, P.R. China.
ACS Appl Mater Interfaces. 2017 Apr 26;9(16):14470-14477. doi: 10.1021/acsami.6b11525. Epub 2017 Apr 17.
It is of great significance and importance to explore a mild, clean, and highly efficient universal approach for the synthesis of graphene quantum dots. Herein, we introduced a new green, rapid, and universal preparation approach for graphene quantum dots via the free-radical polymerization of oxygen-containing aromatic compounds under ultraviolet irradiation. This approach had a high yield (86%), and the byproducts are only HO and CO. The obtained graphene quantum dots were well-crystallized and showed remarkable optical and biological properties. The colorful, different-sized graphene quantum dots can be used in fluorescent bioimaging in vitro and in vivo. This approach is suitable not only for the preparation of graphene quantum dots but also for heteroatom-doped graphene quantum dots.
探索一种温和、清洁、高效的通用方法来合成石墨烯量子点具有重要意义。在此，我们通过含氧芳香族化合物在紫外光照射下的自由基聚合，引入了一种新的绿色、快速、通用的石墨烯量子点制备方法。该方法产率高（86%），副产物仅为 HO 和 CO。所得石墨烯量子点结晶良好，具有显著的光学和生物学性质。颜色多样、尺寸不同的石墨烯量子点可用于体外和体内荧光生物成像。该方法不仅适用于石墨烯量子点的制备，也适用于杂原子掺杂石墨烯量子点的制备。
