Monoclinic BiVO4 is one of the most promising photoanode materials for solar water splitting. The photoelectrochemical performance a could be significantly influenced by noncovalent interactions redox-inert metal cations at photoanode–electrolyte interfaces, but this point has not been well investigated. In work, we studied Cs+-dependent surface reconstruction and passivation photoanodes. Owing...

In this study, titanium dioxide (TiO2) and – activated carbon composite (TiO2–AC) were prepared by sol-gel method for photoelectrochemical (PEC) applications. Characterization of the materials was performed scanning electron microscope, energy dispersive X-ray analysis, Fourier transform infrared spectroscopy, diffraction, diffuse reflectance spectroscopy. The results show that TiO2 successfull...

Herein, a photoelectrochemical investigation of photoanodes based on hematite nanorods and nanospheres fabricated via hydrothermal technique is reported. The nanostructures have been thoroughly analyzed characterized using field emission scanning electron microscopy (FESEM), X-ray Diffractometer (XRD), UV-Visible spectroscopy, Photoluminescence spectroscopy (PL), photoelectron (XPS). presence o...

Dye sensitization of semiconductor metal oxides aims to extend the light absorption range into visible region, particular interest for their use as photoanodes in photoelectrochemical (PEC) water splitting. Organic dyes, however, suffer from limited chemical stability when they are exposed constant potential and irradiation aqueous media. Thus, this work, we evaluate a novel metal-free donor-?-...

The single-crystalline TiO2 nanorod arrays with rutile phase have attracted much attention in the dye sensitized solar cells (DSSCs) applications because of their superior chemical stability, better electron transport properties, higher refractive index and low production cost. However, it suffers from a low surface area as compared with TiO2 nanoparticle films. In order to enlarge the surface ...

Narrow bandgap PbS nanoparticles, which may expand the light absorption range to the near-infrared region, were deposited on TiO2 nanorod arrays by successive ionic layer adsorption and reaction method to make a photoanode for quantum dot-sensitized solar cells (QDSCs). The thicknesses of PbS nanoparticles were optimized to enhance the photovoltaic performance of PbS QDSCs. A uniform CdS layer ...

Multi-walled carbon nanotube (MWCNT)/TiO2 mesoporous networks can be employed as a new alternative photoanode in dye-sensitized solar cells (DSSCs). By using the MWCNT/TiO2 mesoporous as photoanodes in DSSC, we demonstrate that the MWCNT/TiO2 mesoporous photoanode is promising alternative to standard FTO/TiO2 mesoporous based DSSC due to larger specific surface area and high electrochemical act...

TiO(2) hollow fibers with high surface area were manufactured by a simple synthesis method, using natural cellulose fibers as template. The effective light scattering properties of the hollow fibers, originating from their micron size, were observed by diffuse reflectance spectroscopy. In spite of the micrometric length of the TiO(2) hollow fibers, the walls were highly porous and high surface ...