Fig. 3.
From: Carbon Dots as New Generation Materials for Nanothermometer: Review
a Temperature-dependent absorption taken in the temperature range from 10 to 70 °C. b Normalized color plot of the temperature-dependent PL emission at temperatures between 2 and 80 °C with a step size of 2 °C and excitation at 355 nm. Corresponding temperature-dependent changes in the PL peak maximum λmax (c), PL fwhm (d), and integrated PL intensity (e). (Reproduced from reference [89])