Fig. 2: Structural characterization of CDs and Au@CDs. | Light: Science & Applications

Fig. 2: Structural characterization of CDs and Au@CDs.

From: SERS monitoring of photoinduced-enhanced oxidative stress amplifier on Au@carbon dots for tumor catalytic therapy

Fig. 2

a UV-vis-NIR absorption spectra of CDs and Au@CDs in aqueous solution, (inset: the solution color of (1) CDs and (2) Au@CDs under natural light). XPS spectra of CDs and Au@CDs: b full survey spectrum, c Au 4f, d C 1s, e O 1s, f N 1s. g Photoluminescent spectra (under 340 nm excitation) and h Raman spectra of CDs and Au@CDs in aqueous suspension. i Description of the CT effect in Au@CDs hybrids.

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