Journal of Nanomaterials / 2019 / Article / Fig 6

Research Article

The One-Step Preparation of Green-Emissioned Carbon Dots through Hydrothermal Route and Its Application

Figure 6

Green-emitting CDs formed a fingerprint on aluminum foil under UV lamp irradiation (a); photographs of PL characters written with CDs on filter paper captured under room light (b) and UV light (c).
(a)
(b)
(c)

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