Figure 7 . (A) Anti-counterfeiting and information protection
applications of the ultralong lifetime room temperature phosphorescence
CDs. Reproduced with permission.[111] Copyright
2018, Wiley-VCH. (B) Preparation process of CDs/starch powder and its
application in latent fingerprints detection. Reproduced with
permission.[114] Copyright 2020, American Chemical
Society. (C) Demonstration of down-converting light-emitting diodes
using F-GQDs. Reproduced with permission.[95]Copyright 2021, Wiley-VCH. (D) Applications of carbon nanoring phosphors
in W-LEDs. Reproduced with permission.[96]Copyright 2015, Wiley-VCH. (E) Schematic of CDs used for bioimaging.
Reproduced with permission.[115] Copyright 2009,
American Chemical Society. (F) CDs exhibiting multicolor fluorescence
via adjusting their concentrations for biosensing and bioimaging.
Reproduced with permission.[116] Copyright 2018,
Elsevier. (G) The synergistic shape/color change and directional
swimming locomotion of the CDs polymer gel-based artificial octopus-like
soft robot. Reproduced with permission.[117]Copyright 2021, Wiley-VCH.