Zn-doped Co3O4 nanoparticles: promising room temperature sensor materials for efficient triethylamine (TEA) detection

IF 5.3 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Materials Research Bulletin Pub Date : 2024-11-18 DOI:10.1016/j.materresbull.2024.113201

Amensisa Negasa Begi , Shahid Hussain , Jesse Nii Okai Amu-Darko , Tahani Mazyad Almutairi , Muhammad Javed Liaqat , Amjad Iqbal , Rajesh Kumar Manavalan , Xiangzhao Zhang , Guanjun Qiao , Guiwu Liu

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Abstract

A remarkable Zn-doped Co₃O₄ nanoparticle material exhibiting exceptional potential as a triethylamine (TEA) sensor was presented. Zn-doped Co₃O₄ nanoparticles were synthesized using a facile solvothermal method with varying concentrations of zinc dopant. The effects of Zn doping on the sensor triethylamine detection capabilities were investigated, revealing a notable enhancement in sensitivity and selectivity with a response of 2.04 at 25 °C. Furthermore, the calculated response and recovery times at the optimum temperature were 7.5 s and 27.8 s, respectively, making it an energy-efficient and quicker alternative to conventional sensors. This improvement in the sensing performance can be attributed to the optimized electronic structure and chemical properties achieved through Zn doping, which promoted the formation of abundant oxygen vacancies and improved the number of adsorption sites. These findings demonstrate that Zn-doped Co₃O₄ nanoparticles are promising sensor materials for efficient TEA detection, with potential applications in various industries.

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掺锌 Co3O4 纳米粒子：有望用于高效检测三乙胺 (TEA) 的室温传感器材料

本研究提出了一种掺锌 Co3O4 纳米粒子材料，该材料作为三乙胺（TEA）传感器具有非凡的潜力。掺杂锌的 Co3O4 纳米粒子是用不同浓度的锌掺杂剂通过简便的溶热法合成的。研究了掺锌对传感器三乙胺检测能力的影响，结果表明该传感器的灵敏度和选择性显著提高，25 °C时的响应为2.04。此外，在最佳温度下，计算得出的响应时间和恢复时间分别为 7.5 秒和 27.8 秒，从而使其成为传统传感器的节能和快速替代品。传感性能的提高可归因于通过掺杂锌优化了电子结构和化学性质，促进了大量氧空位的形成并增加了吸附位点的数量。这些研究结果表明，掺杂 Zn 的 Co3O4 纳米粒子是高效检测三乙醇胺的理想传感材料，有望应用于各行各业。

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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来源期刊

Materials Research Bulletin 工程技术-材料科学：综合

CiteScore

9.80

自引率

5.60%

发文量

372

审稿时长

42 days

期刊介绍： Materials Research Bulletin is an international journal reporting high-impact research on processing-structure-property relationships in functional materials and nanomaterials with interesting electronic, magnetic, optical, thermal, mechanical or catalytic properties. Papers purely on thermodynamics or theoretical calculations (e.g., density functional theory) do not fall within the scope of the journal unless they also demonstrate a clear link to physical properties. Topics covered include functional materials (e.g., dielectrics, pyroelectrics, piezoelectrics, ferroelectrics, relaxors, thermoelectrics, etc.); electrochemistry and solid-state ionics (e.g., photovoltaics, batteries, sensors, and fuel cells); nanomaterials, graphene, and nanocomposites; luminescence and photocatalysis; crystal-structure and defect-structure analysis; novel electronics; non-crystalline solids; flexible electronics; protein-material interactions; and polymeric ion-exchange membranes.