Optical properties of pH-sensitive carbon-dots with different modifications Kong, Weiguang ; Wu, Huizhen ; Ye, Zhenyu ; Li, Ruifeng ; Xu, Tianning ; Zhang, Bingpo Abstract Publication: Journal of Luminescence Pub Date: April 2014 DOI: 10.1016/j.jlumin.2013.12.007 Bibcode: 2014JLum..148..238K