RETRACTED: Ions-induced two-photon fluorescence dual-switching for reversible and simultaneous sensing of Cu2+ and Hg2+ based on dual-emitting carbon dot/carbon dot conjugates
Sensors and Actuators B Chemical (2017) - Comments
doi: 10.1016/j.snb.2017.01.166  issn: 0925-4005 

Rijun Gui, Hui Jin, Yanfeng Wang, Jie Sun