Journal of Nanomaterials / 2019 / Article / Fig 11

Review Article

Carbon Dots: A Mystic Star in the World of Nanoscience

Figure 11

Upconversion PL spectra of CDs as obtained: (a) excitation wavelength () above 500 nm exhibited peak maxima at around ~420 nm; (b) above 900 nm (NIR region) exhibited green PL at 530 nm (reproduced with permission from [49, 51]).

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