ZnO nanorods/Pt and ZnO nanorods/Ag heteronanostructure arrays with enhanced photocatalytic degradation of dyes

Low-loading platinum decorated aligned ZnO nanorods and their photocatalytic and electrocatalytic applications

“…1 112) and (201), respectively [17]. These strong and sharp diffraction peaks demonstrate that these ZnO samples have good crystallinity prepared under hydrothermal conditions.…”

“…2 Typical SEM images of the aligned ZnO nanorods in different magnification reaction will be favourable. Based on previous reports [14][15][16][17], the noble metals can act as electron traps to facilitate the e -/h ? separation in the noble metals/ZnO hybrid nanocrystals.…”

“…5a). It is worth mentioning that aligned ZnO nanorods containing 2 % Pt has higher photocatalytic activity than ones containing 3 and 4 % Pt, because the Pt acts as a promoted component in photocatalytic system and the excessively high loading may influence the ZnO activity [17]. The first-order reaction rate constant can be calculated by the plots of the ln (C/C 0 ) v.s.…”

“…The noble metal (Au, Ag, Pt, etc. )/ZnO composite nanostructures provide an important strategy to improve the photocatalytic performances [14][15][16][17]. Such nanocomposites could effectively reduce the e -/h ?…”

Adjusting the proportions of {0001} facets and high-index facets of ZnO hexagonal prisms and their photocatalytic activity

“…These hetero-nanostructure arrays show improved photocatalytic activities in the decomposition of RhB dye. 33 And photocatalysis is determined by the excitation of electrons from the valence band to the conduction band of semiconductor materials. When the light of certain wavelength equal or larger than band gap of semiconductor falls on the photocatalyst, which cause the excitation of electrons from valence band to the conduction band and leaving behind the same number of holes (h + ) on the valence band.…”