水热法制备的荧光碳量子点  

Synthesis of Photoluminescent Carbon Nanoparticles by Hydrothermal Method

作　　者：王莉[1] 吕婷[1] 阮枫萍 邓德刚 徐时清[1] 

机构地区：[1]中国计量学院材料科学与工程学院,浙江杭州310018

出　　处：《发光学报》2014年第6期706-709,共4页Chinese Journal of Luminescence

基　　金：浙江省科技计划(2011C14009)资助项目

摘　　要：以葡萄糖为碳源,通过水热法制备了碳量子点,并通过X射线衍射(XRD)、透射电镜(TEM)、紫外-可见吸收光谱、荧光光谱和傅里叶红外光谱(FTIR)等方法对样品的结构、形貌和光学性能进行表征。结果显示:以葡萄糖为碳源制备的碳量子点近似球形,大小均匀,分散性良好,无团聚现象。其发射波长依赖于激发波长,在紫外灯下发出明亮的绿光。Carbon nanoparticles were synthesized via hydrothermal oxidation of glucose. The carbon dots were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), ultraviolet-visible spectrophotometry, fluorescene spectrophotometry and Fourier transform infrared spectrophoto-metry (FTIR). The results indicate that the carbon dots have appropriate spherical morphology, uniform size, good dispersion, non-agglomeration. The carbon dots can emit bright green photoluminescence under UV excitation, and exhibit excitation-dependent PL behavior.

关 键 词：水热法 荧光 碳量子点 

分 类 号：O482.31[理学—固体物理]