Research Article

SnO2 Nanoparticles Decorated 2D Wavy Hierarchical Carbon Nanowalls with Enhanced Photoelectrochemical Performance

Table 2

Energy gap of SnO2, CNW, and SnO2-CNW thin films.

SampleEnergy gap (eV)

SnO23.74
CNW1.35
2.5 w% SnO2-CNW1.82
5.0 w% SnO2-CNW2.06