نتایج جستجو برای: nano zno coating

تعداد نتایج: 104121  

2012
C.-C. HUANG

Your article is protected by copyright and all rights are held exclusively by TMS. This e-offprint is for personal use only and shall not be self-archived in electronic repositories. repository at a funder's request, provided it is not made publicly available until 12 months after publication. The impact of parylene-A encapsulation and the effect of continuous ultraviolet (UV) exposure on ZnO n...

Journal: :Physical chemistry chemical physics : PCCP 2012
Vinayak S Kale Rajiv Ramanujam Prabhakar Stevin S Pramana Manohar Rao Chorng-Haur Sow K B Jinesh Subodh G Mhaisalkar

The enhanced electron field emission (EFE) properties of high aspect ratio, vertically aligned SiNW-ZnO core-shell arrays are presented. These core-shell arrays are prepared by a thin, controlled, highly crystalline and conformal coating of zinc oxide as shell using the plasma assisted-atomic layer deposition (PA-ALD) route on vertically aligned silicon nanowire arrays core. The core-shell nano...

Journal: :Journal of building engineering 2022

Biodeterioration in building façades represents an important economic loss related to maintaining a functional protective coating system. Research papers with long-time studies on paint performance exposed field conditions are scarce. Fungi, cyanobacteria, and algae frequently present biofilms formed outdoor locations. Among these, defacement caused by fungi is known for the broad damage spectr...

Journal: :Current Applied Science and Technology 2023

Electronic packaging by coating device component surfaces with polymer thin film is an important step to protect the components from harsh environments. However, along miniaturization improve its performance, scaling down can cause a decrease in durability. Therefore, thermal stability of pure polystyrene (PS) and zinc oxide-incorporated (PS-ZnO) nano-thin films coated on gold (Au) layer differ...

Journal: :journal of dentistry, shiraz university of medical sciences 0
baratali ramazanzadeh dental research center, dept. of orthodontics, school of dentistry, mashhad university of medical sciences, mashhad, iran. arezoo jahanbin dental research center, dept. of orthodontics, school of dentistry, mashhad university of medical sciences, mashhad, iran. masoud yaghoubi dept. of orthodontics, school of dentistry, bojnourd university of medical sciences, bojnord, iran. nasser shahtahmassbi dept. of physics, ferdowsi university of mashhad, mashhad, iran. kiarash ghazvini dept. of microbiology, ghaem hospital, mashhad university of medical sciences, mashhad, iran. mohammadtaghi shakeri dept. of community medicine and public health, ghaem hospital, mashhad university of medical sciences, mashhad, iran.

statement of the problem: during the orthodontic treatment, microbial plaques may accumulate around the brackets and cause caries, especially in high-risk patients. finding ways to eliminate this microbial plaque seems to be essential. purpose: the aim of this study was to compare the antibacterial effects of nano copper oxide (cuo) and nano zinc oxide (zno) coated brackets against streptococcu...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2011
pejman ahmadian namini ali akbar babaluo elham jannatdoust majid peyravi masoumeh akhfash adrestani

in this work, a simple and effective way to modify the support surface is developed and a nanostructure ceramic support to facilitate deposition of a defect-free overlying micro and meso (nano) porous membrane is obtained. to achieve high performance nanocomposite membranes, average pore size of outer surface of support was reduced by dip-coating in submicron and nano α-alumina slurries. in thi...

2017
Ali Shakerimoghaddam Ezzat A Ghaemi Ailar Jamalli

OBJECTIVES This study aimed to investigate the effect of zinc oxide nanoparticles (ZnO-np) on biofilm formation and expression of the flu gene in uropathogenic Escherichia coli (UPEC) strains. MATERIALS AND METHODS Minimum inhibitory concentration (MIC) of ZnO-np was determined by agar dilution method. The effect of MIC and sub-MIC concentrations of ZnO-np on biofilm formation were determined...

Journal: :Catalysts 2021

Photocatalysis is proven to be the most efficient and environmentally friendly method for degradation of organic pollutants in water purification. To meet requirement large-scale treatment, there are two important points: One lifetime chemical stability photocatalyst material, especially complex harsh aqueous conditions. The other ease synthesis such photocatalysts with specific nano-morphology...

2015
Zong-Liang Tseng Chien-Hung Chiang Chun-Guey Wu

Sputtering made ZnO thin film was used as an electron-transport layer in a regular planar perovskite solar cell based on high quality CH3NH3PbI3 absorber prepared with a two-step spin-coating. An efficiency up to 15.9% under AM 1.5G irradiation is achieved for the cell based on ZnO film fabricated under Ar working gas. The atmosphere of the sputtering chamber can tune the surface electronic pro...

Journal: :Materials Today 2013

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