Carbon-nanodot-coverage-dependent photocatalytic performance of carbon nanodot/TiO2 nanocomposites under visible light |
(color online) (a) Absorption spectra (normalized) of the CDs, TiO2, and CD/TiO2 nanocomposites with different CD coverages, (b) TEM image of the CD/TiO2 nanocomposites. |