Fig. 2From: NIR-laser-triggered gadolinium-doped carbon dots for magnetic resonance imaging, drug delivery and combined photothermal chemotherapy for triple negative breast cancerCharacterizations of Gd@CDs. a XRD spectrum; b HRTEM imaging (inset, statistical analysis by nanomeasurer software); c Scanned XPS spectrum, d C1s XPS spectrum; e N1s XPS spectrum; f O1s XPS spectrum; g The absorbance, excitation and emission spectra; h The emission spectra under various excitation wavelengthsBack to article page