Research Article

TiO2/Halloysite Composites Codoped with Carbon and Nitrogen from Melamine and Their Enhanced Solar-Light-Driven Photocatalytic Performance

Figure 4

N2 adsorption-desorption isotherms (a) and pore distribution (b) of HNTs, TiO2/HNTs, and C+N-TiO2/HNTs.
(a)
(b)