The authors have synthesized spindle-like ZnO nanorods closely anchored to CdS nanoparticles (NPs) placed on gold NPs ([email protected]). It is shown that the [email protected] nanocomposite can serve as a photoactive material for use in photoelectrochemical (PEC) detection by efficiently absorbing light and then promoting electron transfer. A visible light-dr...
Published in Journal of Materials Science: Materials in Electronics
The substantial and intriguing applications in the field of optoelectronics, the fabrication of nano structure of ZnO based UV LEDs, FETs has been stalled because of the challenges/demand to put forth in the growth of highly stable, low resistive and high device performance. Growth of these Nano structure is difficult because of the self- compensat...
Hexagonal prism-like Al-doped ZnO nanorods were prepared by a coprecipitation method followed by annealing. The effects of Al doping and annealing atmosphere on microstructure and optical properties were studied. X-ray diffraction (XRD) results show that the Al-doped nanorods have a pure hexagonal wurtzite structure and good crystallinity. Field em...
Control over the deposition of quantum dots (QDs) on nanostructured semiconductors is very important for the photovoltaic performance of QD sensitized solar cells. The best control is typically achieved using bifunctional molecular linkers, such as mercaptopropionic acid (MPA), to attach the QDs to metal oxides in a specific manner; however some ma...
Published in Materials Chemistry and Physics
•The nanohybrid YVO4:Eu3+–ZnO–RGO was synthesized by electrostatic interaction.•Reduced graphene oxide provides an easy pathway for interfacial electron transfer.•Interfacial electron transfer from ZnO to RGO under UV is confirmed by PL spectra.•CV redox process provides an alternative tool to confirm interfacial electron transfer.
Vertically aligned ZnO nanorod array (ZNA) was deposited by electrodeposition technique over glass substrate coated with Al doped ZnO (AZO). The photo-luminescence spectrum of the ZNA showed a near band edge emission and deep level emission (DLE). The resolved DLE spectrum indicates the formation of various defect levels within the band gap of ZnO....
Water scarcity and its contamination with toxic metal ions and organic dyes represent a serious worldwide problem in the 21st century. A wide range of conventional approaches have been used to remove these contaminants from waste. Recently, nanotechnology has been given great scope for the fabrication of desirable nanomaterials with large surface-t...
One of the challenges in realizing metal oxide semiconductor gas sensors is to enhance the sensitivity of active materials in order to respond to the low concentration of detecting gases effectively and efficiently. In this report, transition metals such as Mn. Ni, Cu, and Co are used as dopants for the synthesis of highly formaldehyde-sensitive Zn...
this paper, ZnO nanorods with high yields were successfully synthesized using a radio frequency (RF) thermal plasma system in a one-step, continuous, and scalable way by the thermal evaporation of different zinc compounds, and the aspect ratio of synthesized nanorods could be well controlled by adjusting the feeding rates of starting materials and ...
