一步法合成特异性pH响应碳量子点及其发光机理研究

高东,张煜亮,孙静,范宏筠

One-step Synthesis of Specific pH-responsive Carbon Quantum Dots and Their Luminescence Mechanism

GAO Dong,ZHANG Yu-Liang,SUN Jing,FAN Hong-Jun

图3 紫外吸收光谱(插图为碳量子点在紫外光下的光学照片) (a)和不同波长激发下的荧光光谱(b)

Fig. 3 UV-Vis absorption spectrum of prepared CDs with insets showing optical images of prepared CDs under UV lamp (365 nm) (a) and ?uorescent spectra under various excitation wavelengths (b)