Figure 3
From: Nanodiamond surface chemistry controls assembly of polypyrrole and generation of photovoltage

FTIR spectra of (a) H-DND/PPy (b) poly-DND/PPy and (c) O-DND/PPy composites with the reference DNDs and PPy. The remaining features of the pristine materials in the spectra of composites are indicated by arrows, namely pristine DND (black arrows) and PPy (red arrows).