نتایج جستجو برای: nanostructured zno

تعداد نتایج: 35746  

2016
Jiaxin Liu Botao Qiao Yian Song Yudong Huang

The development of thermodynamically stable supported bimetallic catalysts for high-temperature reaction is significant and highly desirable but remains a grand challenge. In this work, we report a novel approach that relies on the interaction of metal nanoparticles with the support material to form unique bimetallic nanoparticles, which epitaxially anchor onto the support surface. Such unique ...

Journal: :Catalysts 2022

Different nanostructured semiconducting ZnO photoanodes were prepared by Hydrothermal (HT), Co-precipitation (CoP) and Chemical Bath Deposition (CBD) methods for their use in the Dye Sensitized Solar Cells (DSSCs) present study. Additionally, different nanocomposites synthesized mixing Carbon Nanotubes (CNTs), Graphene Oxide (GO) combination with nanostructures. Scanning electron microscopy (SE...

2017
Igor Ozerov Madjid Arab Viatcheslav Safarov Wladimir Marine Suzanne Giorgio Marc Sentis L. Nanai I. Ozerov M. Arab V. I. Safarov W. Marine S. Giorgio M. Sentis

Pulsed ArF laser annealing in air and in hydrogen atmosphere improves the optical properties of ZnO nanostructured films. Independently on the ambient atmosphere, laser annealing produces two major effects on the photoluminescence (PL) spectra: first, the efficiency of the exciton PL increases due to decrease of the number of non-radiative recombination centers; second, the intensity of the def...

Journal: :Chemical Society reviews 2014
Xianjun Lang Xiaodong Chen Jincai Zhao

The future development of chemistry entails environmentally friendly and energy sustainable alternatives for organic transformations. Visible light photocatalysis can address these challenges, as reflected by recent intensive scientific endeavours to this end. This review covers state-of-the-art accomplishments in visible-light-induced selective organic transformations by heterogeneous photocat...

2017
Igor Ozerov Dimitri Nelson Alexander Bulgakov Wladimir Marine Marc Sentis I. Ozerov D. Nelson A. V. Bulgakov M. Sentis

We present the results of experiments on synthesis of ZnO nanoclusters by reactive pulsed laser deposition (PLD). The nanoclusters were formed and crystallized in the gas phase and deposited on SiO2 substrates. The nanostructured films were characterized by conventional photoluminescence (PL). The PL spectra consist of a narrow UV excitonic band and a broad visible band related to defects in th...

Journal: :Nanotechnology 2012
P Gondoni M Ghidelli F Di Fonzo M Carminati V Russo A Li Bassi C S Casari

The structure-property relation of nanostructured Al-doped ZnO thin films has been investigated in detail through a systematic variation of structure and morphology, with particular emphasis on how they affect optical and electrical properties. A variety of structures, ranging from compact polycrystalline films to mesoporous, hierarchically organized cluster assemblies, are grown by pulsed lase...

Journal: :E3S web of conferences 2023

The main functional part of the supercapacitors and nanogenerators made up various types nanostructured materials. contemporary devices have been manufactured employing different kinds nanomaterials based on nanoflake nanowire structures. These hierarchical materials show high efficiency engineering electrodes for as well piezoelectric nanogenerators. Here, we successfully synthesized NiCo2O4 n...

Journal: :Engineering proceedings 2021

In this work, the properties of zinc oxide (ZnO) low-dimensional conductive nanostructures in aspect their potential applications microelectronics, toxic gas sensing, as well water remediation, have been determined. ZnO nanostructured porous thin films deposited by DC reactive sputtering (RS) on Si substrates at different temperature conditions. For surface and chemical morphology analysis, X-r...

Journal: :Journal of Nanomaterials 2022

In today’s world of electronics, nanomaterial applications pose a challenge. The spin coating approach was used to create nanostructured ZnO with wurtzite structure in recent study. Antimony doping, aluminum, and antimony codoping 2.0 percent were make these films. impact doped codoped films on structural, optical properties, morphological has been examined using variety characterization approa...

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