Supplementary data from Metal-free C<sub>60</sub>/CNTs/g-C<sub>3</sub>N<sub>4</sub> ternary heterostructures: synthesis and enhanced visible-light-driven photocatalytic performance
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A metal-free C<sub>60</sub>/CNTs/g-C<sub>3</sub>N<sub>4</sub> nanoheterostructure with excellent visible-light photocatalysis for rhodamine B (Rh B) degradation has been reported. Via a convenient low-temperature solution-phase method, g-C<sub>3</sub>N<sub>4</sub> nanosheets can serve as substrate for dispersion of C<sub>60</sub>/CNTs. The loading of C<sub>60</sub>/CNTs onto g-C<sub>3</sub>N<sub>4</sub> nanosheets surfaces significantly enhanced visible-light-driven photocatalytic activity of g-C<sub>3</sub>N<sub>4</sub> catalyst, for oxidation of organic pollutant (Rh B, 100%). Excellent photocatalytic properties of C<sub>60</sub>/CNTs/g-C<sub>3</sub>N<sub>4</sub> can be predominantly attributed to the intimate interfacial contact among constructing compounds, increased specific surface area and enhanced light adsorption efficiency resulted from C<sub>60</sub>/CNTs carbon materials. Particularly, the synergistic heterostructure interaction remarkably hinders the electrons–holes pairs recombination, giving rise to significantly enhanced photocatalytic performance of C<sub>60</sub>/CNTs/g-C<sub>3</sub>N<sub>4</sub> in comparison with other counterparts.
