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4 不同pH条件下碳量子点的荧光光谱(a~g)、pH值与碳量子点荧光强度的关系(EX=360 nm)(h)和不同pH值的碳量子点溶液在紫外灯下的荧光照片(i)

Fig. 4 Fluorescent spectra of as-prepared CDs with different pH values under various excitation wavelengths (a-g), fluorescent intensity at different pH under excitation of 360 nm (h) and optical images of prepared CDs with different pH under UV lamp (365 nm) (i)