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Cited by 775 publications
(537 citation statements)
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“…This trend is similar to the PL behavior of graphene quantum dots (GQDs) [48] and CQDs derived from CNTs [20]. The value Φ at the maximum emission, i.e., at λex = 470 nm, is measured to be 3.13%, which is either comparable to or higher than the previously reported values under similar treatments [20,22,29,30,49]. The PL properties of sample II and sample III were also investigated and the results are shown in Figs S1 and S2, respectively.…”
Section: Spectroscopic Properties Most Of the Previous Studies On Cqdsupporting
confidence: 86%
“…This trend is similar to the PL behavior of graphene quantum dots (GQDs) [48] and CQDs derived from CNTs [20]. The value Φ at the maximum emission, i.e., at λex = 470 nm, is measured to be 3.13%, which is either comparable to or higher than the previously reported values under similar treatments [20,22,29,30,49]. The PL properties of sample II and sample III were also investigated and the results are shown in Figs S1 and S2, respectively.…”
Section: Spectroscopic Properties Most Of the Previous Studies On Cqdsupporting
confidence: 86%
“…the emission intensity decreases by only 17% after 19 h of continuous excitation at 360 nm. 16 All these studies were performed for crystalline CDs. Zhu and his co-workers found that the photoluminescence intensity of hydrothermally synthesized CDs decreased dramatically only after 9 minutes of illumination with 2000 W ultraviolet (UV) exposure.…”
Section: Introductionmentioning
confidence: 99%
“…6 b and c). C-dots are typically derived via hydrothermal or pyrolytic treatment of carbon-rich precursors including renewable materials such as biomass [28] , fruit juices [29] and carbohydrates [30] . The TEM images (Fig.…”
Section: The Common Carbogenic Originmentioning
confidence: 99%