Effects of Graphene, CNT and TiB2 nanoparticles hybridization on morphological structure, dielectric and conductivity of ZnO semiconductors

IF 3.9 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering: B Pub Date : 2025-05-02 DOI:10.1016/j.mseb.2025.118381

Cevher Kürşat Macit , Merve Horlu , Hilal Çelik , Fatih Biryan , Bünyamin Aksakal

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Abstract

In this study, graphene (Gr)-hybridized carbon nanotubes (CNTs) and titanium diboride (TiB₂) nanoparticles were synthesized via the sol–gel method to enhance the dielectric properties and electrical conductivity of zinc oxide (ZnO) semiconductors. The synthesized nanostructures were thoroughly characterized using Fourier Transform Infrared Spectroscopy (FT-IR), X-ray Diffraction (XRD), Field Emission Scanning Electron Microscopy (FE-SEM), Energy Dispersive X-ray Spectroscopy (EDX), and Raman spectroscopy. The structural influence of CNT and TiB₂ hybridization on ZnO, along with the dielectric and conductivity performance of the resulting nanocomposites, was investigated through impedance analysis. The results confirmed the successful synthesis of ZnO, CNT, TiB₂, and Gr nanoparticles. Moreover, the dielectric constant and electrical conductivity of the hybrid materials were significantly improved compared to those of pure ZnO nanoparticles. These uniquely engineered nanomaterials are considered promising candidates for applications in solar cells and photovoltaic systems.

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石墨烯、碳纳米管和TiB2纳米粒子杂化对ZnO半导体形态结构、介电和电导率的影响

本研究通过溶胶-凝胶法制备了石墨烯(Gr)-杂化碳纳米管（CNTs）和二硼化钛（TiB2）纳米颗粒，以提高氧化锌（ZnO）半导体的介电性能和导电性。利用傅里叶变换红外光谱（FT-IR）、x射线衍射（XRD）、场发射扫描电镜（FE-SEM）、能量色散x射线光谱（EDX）和拉曼光谱对合成的纳米结构进行了全面表征。通过阻抗分析研究了碳纳米管和TiB2杂化对ZnO结构的影响，以及所得到的纳米复合材料的介电和电导率性能。结果证实了ZnO、CNT、TiB2和Gr纳米粒子的成功合成。此外，混合材料的介电常数和电导率与纯ZnO纳米颗粒相比有显著提高。这些独特的纳米材料被认为有希望应用于太阳能电池和光伏系统。

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来源期刊

Materials Science and Engineering: B 工程技术-材料科学：综合

CiteScore

5.60

自引率

2.80%

发文量

481

审稿时长

3.5 months

期刊介绍： The journal provides an international medium for the publication of theoretical and experimental studies and reviews related to the electronic, electrochemical, ionic, magnetic, optical, and biosensing properties of solid state materials in bulk, thin film and particulate forms. Papers dealing with synthesis, processing, characterization, structure, physical properties and computational aspects of nano-crystalline, crystalline, amorphous and glassy forms of ceramics, semiconductors, layered insertion compounds, low-dimensional compounds and systems, fast-ion conductors, polymers and dielectrics are viewed as suitable for publication. Articles focused on nano-structured aspects of these advanced solid-state materials will also be considered suitable.