Fig 1.
SEM images of carbon nitride composite material (the upper right corner: optical photograph) (a, b): g-C3N4, (c, d): g-C3N4/MoS2, (e, f): g-C3N4/CdS, (g, h): g-C3N4/CuS.
Fig 2.
TEM images of carbon nitride composite material (a, b): g-C3N4, (c, d): g-C3N4/MoS2, (e, f): g-C3N4/CdS, (g, h): g-C3N4/CuS.
Table 1.
EDS atomic percentage of PAN/g-C3N4/CdS.
Fig 3.
SEM images (a, b) and EDS mapping images (c, d, e, f, g, h) of PAN/g-C3N4/CdS.
Table 2.
Specific surface area and pore structure of carbon nitride composite material.
Fig 4.
XRD spectra of carbon nitride composite material.
Fig 5.
XPS full spectrum of carbon nitride composite material.
Fig 6.
FT-IR spectra of g-C3N4, g-C3N4/MoS2, g-C3N4/CuS, g-C3N4/CdS, PAN/g-C3N4, PAN/g-C3N4/CdS.
Fig 7.
UV-VIS-NIR spectra of composite material (a, b) and relationships between (αhν)1/2 and band gap (hν) (c, d).
Fig 8.
The influence of wavelength on SMT removal rate: (a) g-C3N4; (b)g-C3N4/MoS2; (c)g-C3N4/CuS; (d)g-C3N4/CdS.
Fig 9.
The effect of initial pH of solution on the photocatalytic performance of g-C3N4/CdS: (a)pH = 5.92; (b) pH = 3; (c) pH = 11.
Fig 10.
Photocatalytic performance of flexible nanofiber catalysts at different wavelengths.
Fig 11.
The cyclic performance of flexible nanofiber catalysts.
Fig 12.
Photocatalytic mechanism scheme of as-prepared g-C3N4/CdS.