用于增强三乙胺检测的珊瑚状 Co 掺杂氧化锌纳米结构

IF 5.3 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Materials Research Bulletin Pub Date : 2024-10-06 DOI:10.1016/j.materresbull.2024.113131

Xingtai Chen , Tao Liu , Xi-Tao Yin , Jingkun Yu

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引用次数: 0

摘要

本研究采用简单的沉淀法和水热法获得了珊瑚状 Co 掺杂氧化锌纳米结构。钴掺杂使复合粒径减小到 20 nm，可控的生长方向形成了更大的吸附面积。气体传感器的研究结果表明，当掺杂量为 5 摩尔%时，在 200 °C 温度下对三乙胺的响应达到最大。该传感器在 30 天的稳定性测试中也表现良好，显示出卓越的选择性和可重复性。此外，5CZO 的响应-恢复时间为 52/70 秒，对不同浓度的气体都有良好的响应。对三乙胺掺杂提高气体传感性能的机理进行了深入研究。

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Coral-like Co-doped ZnO nanostructures for enhanced triethylamine detection

In this work, coral-like Co-doped ZnO nanostructures were obtained using simple precipitation and hydrothermal methods. Co-doping reduced the composite particle size to 20 nm, and the controlled growth direction formed a larger adsorption area. The gas sensor results suggest that the maximum response to triethylamine at 200 °C was achieved at 5 mol% doping content. The sensor also performed well for the 30-day stability test, displaying excellent selectivity and repeatability. Besides, 5CZO showed a response-recovery time of 52/70 s and a good response to different gas concentrations. The doping mechanism for the improved gas sensing performance with triethylamine was thoroughly investigated.

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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.