Improved photocatalytic performance of Pd-doped ZnO

Comparison of palladium/zinc oxide photocatalysts prepared by different palladium doping methods for congo red degradation

“…In order to improve the photocatalytic activity of ZnO, different solutions such as, choosing appropriate synthesis method, preparing composite photocatalyst, and synthesizing noble metals doped ZnO have been applied [15][16][17]. In the case of doping ZnO by noble metals, the dopant can act as a scavenger for photogenerated electrons, which promotes interfacial electron-hole separation in the photocatalytic process and increases photocatalytic activity [15][16][17]. Noble metal nanoparticles, such as Au [18,19], Ag [14,15,20,21] Pt [22,23], and Pd [17,24] have been investigated for doping in terms of the size-dependent optical, catalytic, magnetic, and electronic properties [23].…”

“…However, the photocatalytic activity of ZnO is restricted by fast recombination rate of the photogenerated electron-hole pairs [8,[13][14]. In order to improve the photocatalytic activity of ZnO, different solutions such as, choosing appropriate synthesis method, preparing composite photocatalyst, and synthesizing noble metals doped ZnO have been applied [15][16][17]. In the case of doping ZnO by noble metals, the dopant can act as a scavenger for photogenerated electrons, which promotes interfacial electron-hole separation in the photocatalytic process and increases photocatalytic activity [15][16][17].…”

Optical, structural, and photocatalytic properties of Cd-doped ZnO powders prepared via sol–gel method

“…Comparing the spectrum of pure ZnO with those of samples doped with 5 and 10 wt% Cd indicates that the The lattice parameters of ZnO and Cd-ZnO with different concentrations were calculated from the XRD using the following equation [16]. Table 1 shows the calculated lattice parameters of the samples.…”

“…Among the various chemical techniques, sol-gel process is a promising method for the preparation of nanomaterials, because of the notable advantages of high purity, good homogeneity, low-temperature synthetic conditions, low equipment cost, and easily controlled reaction parameters [15,16].…”

Zinc oxide-palladium material an efficient solar-light driven photocatalyst for degradation of congo red

“…The effect of different parameters such as catalyst loading, solution pH and dye concentration on photodegradation efficiency were evaluated using ZnO and (ZnO-Pd) N CM [15,16].…”