Crystal Size and Strain Estimation of 10% Cu doped ZnO Nanoparticles using X-ray Diffraction Data

T. Kamal, M. T. Chowdhury, M. Zubair, S. M. M. Al Mamun
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引用次数: 2

Abstract

10% Cu doped ZnO nanoparticles were synthesized by chemical precipitation method using zinc acetate dihydrate [Zn(CH3COO)2.2H2O] and cupric nitrate [Cu(NO3)2] as precursors. Debye-Scherrer, Williamson-Hall, Approximation method and Size-strain plot method were used to estimate particle Size and strain from the X-ray line broadening data. Uniform deformation model (UDM), uniform stress deformation model (USDM), uniform deformation energy density model (UDEDM) and size-strain plot method (SSP) were used to calculate stress and energy using XRD peaks. XRD results indicate that prepared Cu doped ZnO have hexagonal wurtzite structure which is in conformity with the SEM image. Particle size was reported from 16-53 nm. One major uniqueness of this work is the use of Approximation method for estimating crystal size and strain and the use of Cohen's method to calculate lattice constant for ZnO which was not reported in any paper earlier.
用x射线衍射数据估计10% Cu掺杂ZnO纳米颗粒的晶体尺寸和应变
以二水合乙酸锌[Zn(CH3COO)2.2H2O]和硝酸铜[Cu(NO3)2]为前驱体,采用化学沉淀法合成了10% Cu掺杂ZnO纳米颗粒。采用Debye-Scherrer, Williamson-Hall,近似法和尺寸-应变图法从x射线线展宽数据中估计颗粒尺寸和应变。采用均匀变形模型(UDM)、均匀应力变形模型(USDM)、均匀变形能量密度模型(UDEDM)和尺寸-应变图法(SSP)利用XRD峰计算应力和能量。XRD结果表明,制备的Cu掺杂ZnO具有与SEM图像相符的六方纤锌矿结构。粒径为16 ~ 53 nm。这项工作的一个主要独特之处在于使用近似方法估计晶体尺寸和应变,并使用Cohen的方法计算ZnO的晶格常数,这在以前的任何论文中都没有报道过。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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