热蒸发法制备PbS:ZnO纳米线薄膜的结构与形貌研究

IF 0.7 Q4 CHEMISTRY, MULTIDISCIPLINARY

Orbital: The Electronic Journal of Chemistry Pub Date : 2022-07-08 DOI:10.17807/orbital.v14i2.16217

B. Abdallah, M. Kakhia, W. Zetoun

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引用次数: 0

摘要

采用简单的热蒸发技术，以12wt %的PbS为掺杂剂，在两种衬底(Si(100)和玻璃)上制备了ZnO纳米线薄膜。高分辨率透射电子显微镜(HRTEM)和能量色散x射线光谱(EDX)图像证实了ZnO纳米线(NWs)的形成。采用EDX技术测定元素含量(标准分析和制图模式)。通过扫描电镜(SEM)对膜的表面和横截面形貌和厚度进行了研究。拉曼光谱、光致发光(PL)和x射线衍射(XRD)证实了ZnO纳米线的六方相结构，SEM和HRTEM显示其非常细，直径小于40 nm，长度为几微米。研究并比较了PbS作为掺杂剂对ZnO纳米线生长和两种衬底形貌的影响。这些纳米线薄膜可应用于多个领域。测绘-EDX证实了制备膜的化学计量学。最后，采用不同的表征技术对其结构(相)进行了验证。纳米结构薄膜的光电应用将在后面进行研究。

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Structural and Morphological Study of PbS:ZnO Nanowires Films Deposited Using Thermal Evaporation Method

We obtained ZnO Nanowires films deposited on two types of substrate (Si (100) and glass) with 12 wt % PbS as dopant by simple thermal evaporation technique. High Resolution Transmission Electron Microscopy (HRTEM) and Energy-dispersive X-ray spectroscopy(EDX) images have confirmed the formation of ZnO Nanowires (NWs). EDX technique was used to investigate the elements content (standard analysis and mapping modes). Morphology and thickness of the films were investigated from surface and cross section of the films via Scanning Electron Microscopy (SEM) images. The Raman, photoluminescence (PL) and X-ray Diffraction (XRD) have confirmed the hexagonal phase structure of the ZnO Nanowires, which appeared to be very fine and their diameters were less than 40 nm and their lengths were of several micrometers using SEM and HRTEM. The effect of PbS as dopant on the growth of ZnO Nanowires as well as on the morphology for two substrates was investigated and compared. These Nanowires films could be applied in several fields. Mapping -EDX has confirmed the stoichiometry of prepared films. Finally, the structure (phase) was verified by different characterization techniques. The optoelectronic application of Nanostructures film will be study later.

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来源期刊

Orbital: The Electronic Journal of Chemistry CHEMISTRY, MULTIDISCIPLINARY-

CiteScore

1.10

自引率

0.00%

发文量

审稿时长

10 weeks

期刊介绍： Orbital: The Electronic Journal of Chemistry is a quarterly scientific journal published by the Institute of Chemistry of the Universidade Federal de Mato Grosso do Sul, Brazil. Original contributions (in English) are welcome, which focus on all areas of Chemistry and their interfaces with Pharmacy, Biology, and Physics. Neither authors nor readers have to pay fees. The journal has an editorial team of scientists drawn from regions throughout Brazil and world, ensuring high standards for the texts published. The following categories are available for contributions: 1. Full papers 2. Reviews 3. Papers on Education 4. History of Chemistry 5. Short communications 6. Technical notes 7. Letters to the Editor The Orbital journal also publishes a number of special issues in addition to the regular ones. The central objectives of Orbital are threefold: (i) to provide the general scientific community (at regional, Brazilian, and worldwide levels) with a formal channel for the communication and dissemination of the Chemistry-related literature output by publishing original papers based on solid research and by reporting contributions which further knowledge in the field; (ii) to provide the community with open, free access to the full content of the journal, and (iii) to constitute a valuable channel for the dissemination of Chemistry-related investigations.