Fig. 1

Characterization of carbon nanoparticles (CNPs) derived from beet. TEM (a), AFM (b) images and XPS spectra of CNPs from beet: survey scan (c); high-resolution scans for C1s (d), N1s (e) and O1s (f)
Characterization of carbon nanoparticles (CNPs) derived from beet. TEM (a), AFM (b) images and XPS spectra of CNPs from beet: survey scan (c); high-resolution scans for C1s (d), N1s (e) and O1s (f)