Synthesis of Graphene/Tungsten Carbide (WC) Nanocomposites from Palm Oil via Pulsed Arc Discharge in Liquid Medium: Morphological, Functional, and Gas Sensing Characterization

IF 2.2 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC Journal of Electronic Materials Pub Date : 2024-09-05 DOI:10.1007/s11664-024-11371-8

Siti Zubaidah Siddick, Shaifulazuar Rozali, Yew Hoong Wong, Nabilah Mohamad Yusof

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Abstract

With recent trends moving towards sustainable approaches in adherence to environmental, social, and governance (ESG) standards, research is actively focused on sustainable production of high-potential materials. In this study, a successful synthesis pathway was demonstrated for a graphene/tungsten carbide (WC) nanocomposite via pulsed arc discharge in liquid medium, utilizing crude palm oil and commercial cooking palm oil as liquid precursors. The synthesis of the graphene/WC nanocomposites was carried out by applying current with amplitude of 80 A and 100 A to the tungsten electrode immersed in the liquid palm oil, subjected to 150 arc discharges. A comparative investigation was performed to examine the morphological and functional characteristics of the materials synthesized from the different types of palm oil under different current conditions. In addition, the synthesized nanocomposites were assessed with respect to their gas sensing performance. Impressively, the CRG100(150) nanocomposite (produced from crude palm oil with current of 100 A) exhibited gas sensing response of 4.853% upon injection of 200 ppm of ethanol. The CRG100(150) nanocomposite also demonstrated short response and recovery time of 43 s and 182 s, respectively. Thus, the successful synthesis of CRG100(150), utilizing a natural precursor via arc discharge in liquid, paves the way for the development of sustainable gas sensing materials.

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在液体介质中通过脉冲电弧放电从棕榈油中合成石墨烯/碳化钨 (WC) 纳米复合材料：形态、功能和气体传感表征

随着最近的趋势朝着符合环境、社会和治理（ESG）标准的可持续方法发展，研究人员正积极关注高潜力材料的可持续生产。本研究利用粗棕榈油和商用烹饪棕榈油作为液体前驱体，通过脉冲电弧放电在液体介质中成功合成了石墨烯/碳化钨（WC）纳米复合材料。合成石墨烯/碳化钨纳米复合材料的方法是向浸入液态棕榈油中的钨电极施加振幅分别为 80 A 和 100 A 的电流，并进行 150 次电弧放电。在不同的电流条件下，对不同类型的棕榈油合成材料的形态和功能特性进行了比较研究。此外，还对合成的纳米复合材料的气体传感性能进行了评估。令人印象深刻的是，CRG100(150)纳米复合材料（由粗棕榈油制成，电流为 100 A）在注入 200 ppm 乙醇时的气体传感响应为 4.853%。CRG100(150) 纳米复合材料的响应时间和恢复时间也很短，分别为 43 秒和 182 秒。因此，利用天然前驱体在液体中通过电弧放电成功合成 CRG100(150)，为开发可持续气体传感材料铺平了道路。

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来源期刊

Journal of Electronic Materials 工程技术-材料科学：综合

CiteScore

4.10

自引率

4.80%

发文量

693

审稿时长

3.8 months

期刊介绍： The Journal of Electronic Materials (JEM) reports monthly on the science and technology of electronic materials, while examining new applications for semiconductors, magnetic alloys, dielectrics, nanoscale materials, and photonic materials. The journal welcomes articles on methods for preparing and evaluating the chemical, physical, electronic, and optical properties of these materials. Specific areas of interest are materials for state-of-the-art transistors, nanotechnology, electronic packaging, detectors, emitters, metallization, superconductivity, and energy applications. Review papers on current topics enable individuals in the field of electronics to keep abreast of activities in areas peripheral to their own. JEM also selects papers from conferences such as the Electronic Materials Conference, the U.S. Workshop on the Physics and Chemistry of II-VI Materials, and the International Conference on Thermoelectrics. It benefits both specialists and non-specialists in the electronic materials field. A journal of The Minerals, Metals & Materials Society.