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Physicochemical conditions for ZnO films deposited by microwave chemical bath deposition

机译：微波化学浴沉积沉积的ZnO膜的物理化学条件

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摘要

Physicochemical analysis was carried out to obtain the species distribution diagrams (SDDs) for the deposition of ZnO films as a function of OH- ion concentration ([OH-]) in the reaction solution. The study of SDDs predicts nucleation and ZnO film growth by means of the dominant species at a given pH value. To confirm this, a series of experiments were made varying the [OH-] in the reaction solution and keeping the others parameters constant. Structured zinc oxide (ZnO) films were obtained on glass substrates by microwave chemical bath deposition (MWCBD). Structural, optical and morphological ZnO film properties were investigated as a function of [OH-]. X-Ray diffraction technique (XRD) measurements show multiple diffraction peaks, indicating the polycrystalline nature of ZnO films. Scanning Electron Microscopy (SEM) images of ZnO structures showed morphological changes with the variation of [OH-]. The stoichiometry of the structures changed as the [OH-] was varied in solution. From Raman spectra, it was observed that the [OH-] of the reaction mixture strongly affects the crystal quality of ZnO structures. A reaction pathway for the synthesis of ZnO structures based on our results is proposed. Experimental results are consistent with the physical-chemical analysis.
机译：进行物理化学分析以获得物种分布图（SDDS），用于沉积ZnO膜作为反应溶液中的OH-离子浓度的函数（η）。通过在给定的pH值下的主要物种，SDDS的研究预测成核和ZnO膜生长。为了确认这一点，在反应溶液中改变了一系列实验，并保持其他参数恒定。通过微波化学浴沉积（MWCBD）在玻璃基材上得到结构化氧化锌（ZnO）膜。研究了结构，光学和形态ZnO膜性质作为π的函数。 X射线衍射技术（XRD）测量显示多衍射峰，表明ZnO膜的多晶性质。 ZnO结构的扫描电子显微镜（SEM）图像显示出形态变化，随着[OH-]的变化。随着[OH-]改变的结构的化学计量在溶液中变化。来自拉曼光谱，观察到反应混合物的λ强烈影响ZnO结构的晶体质量。提出了基于我们的结果合成ZnO结构的反应途径。实验结果与物理化学分析一致。

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  • 来源
    《RSC Advances》 |2018年第16期|共9页
  • 作者

    Galeazzi R.; Gonzalez-Panzo I. J.; Diaz-Becerril T.; Morales C.; Rosendo E.; Silva R.; Romano-Trujillo R.; Coyopol A.; Nieto-Caballero F. G.; Trevino-Yarce L.;

  • 作者单位

    Benemerita Univ Autonoma Puebla CIDS ICUAP Apartado Postal 1651 Puebla 72570 Mexico;

    Benemerita Univ Autonoma Puebla CIDS ICUAP Apartado Postal 1651 Puebla 72570 Mexico;

    Benemerita Univ Autonoma Puebla CIDS ICUAP Apartado Postal 1651 Puebla 72570 Mexico;

    Benemerita Univ Autonoma Puebla CIDS ICUAP Apartado Postal 1651 Puebla 72570 Mexico;

    Benemerita Univ Autonoma Puebla CIDS ICUAP Apartado Postal 1651 Puebla 72570 Mexico;

    Benemerita Univ Autonoma Puebla IFUAP Apdo Postal J-48 Puebla 72570 Pue Mexico;

    Benemerita Univ Autonoma Puebla CIDS ICUAP Apartado Postal 1651 Puebla 72570 Mexico;

    Benemerita Univ Autonoma Puebla CIDS ICUAP Apartado Postal 1651 Puebla 72570 Mexico;

    Benemerita Univ Autonoma Puebla FCQ Ave San Claudio Puebla 72570 Pue Mexico;

    Benemerita Univ Autonoma Puebla CIDS ICUAP Apartado Postal 1651 Puebla 72570 Mexico;

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  • 正文语种 eng
  • 中图分类 化学;
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