Structural,optical and antimicrobial properties of pure and Agdoped ZnO nanostructures  

作　　者：Sagar Vikal Yogendra K.Gautam Anit K.Ambedkar Durvesh Gautam Jyoti Singh Dharmendra Pratap Ashwani Kumar Sanjay Kumar Meenal Gupta Beer Pal Singh 

机构地区：[1]Smart Materials and Sensor Laboratory,Department of Physics,Ch.Charan Singh University,Meerut,Uttar Pradesh 250004,India [2]Department of Genetics and Plant Breeding,Ch.Charan Singh University,Meerut,Uttar Pradesh 250004,India [3]Nanoscience Laboratory,Institute Instrumentation Centre,IIT Roorkee,Roorkee 247667,India [4]Department of Physics,University of Rajasthan,Jaipur 302004,India [5]Department of Physics,SBSR,Sharda University,Greater Noida,Uttar Pradesh,India

出　　处：《Journal of Semiconductors》2022年第3期78-86,共9页半导体学报（英文版）

基　　金：the research facilities in the Department of Physics,Ch.Charan Singh University,Meerut,Uttar Pradesh,India.This work was supported by the UGC,Govt.of India[No.F.30-303/2016(BSR),F.D.Dy.No.11299]。

摘　　要：In the present work,zinc oxide(ZnO)and silver(Ag)doped ZnO nanostructures are synthesized using a hydrothermal method.Structural quality of the products is attested using X-ray diffraction,which confirms the hexagonal wurtzite struc-ture of pure ZnO and Ag-doped ZnO nanostructures.XRD further confirms the crystallite orientation along the c-axis,(101)plane.The field emission scanning electron microscope study reveals the change in shape of the synthesized ZnO particles from hexagonal nanoparticles to needle-shaped nanostructures for 3 wt%Ag-doped ZnO.The optical band gaps and lattice strain of nanostructures is increased significantly with the increase of doping concentration of Ag in ZnO nanostructure.The anti-microbial activity of synthesized nanostructures has been evaluated against the gram-positive human pathogenic bacteria,Staphylococcus aureus via an agarose gel diffusion test.The maximum value of zone of inhibition(22 mm)is achieved for 3 wt%Ag-doped ZnO nanostructure and it clearly demonstrates the remarkable antibacterial activity.

关 键 词：zinc oxide silver HYDROTHERMAL FESEM antimicrobial activity STAPHYLOCOCCUS 

分 类 号：TQ132.41[化学工程—无机化工] TB383.1[一般工业技术—材料科学与工程]