MIL-53（Al）/Sb2SnO5复合材料用于异丁醇检测的增强催化发光传感

IF 3.4 3区工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY

Measurement Science and Technology Pub Date : 2022-10-25 DOI:10.1088/1361-6501/ac9d58

Qianchun Zhang, Qing Zhou, Yun Wu, Yanxin Li, Fengling Tian, Shan-Shun Tang, Li Jiang

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引用次数: 0

摘要

本研究分别采用水热法和沉淀法合成了MIL-53(Al)和Sb2SnO5。掺杂的MIL-53(Al)/Sb2SnO5表现出优异的催化性能，特别是对异丁醇(IBN)的选择性和敏感性。为评价MIL-53(Al)/Sb2SnO5的催化性能，研制了基于MIL-53(Al)/Sb2SnO5催化发光的IBN气体传感器，该传感器检测IBN具有灵敏度高、特异度高、检测速度快、稳定性好等特点。IBN气体传感器的信号响应时间为0.5 s，恢复时间为6 s，线性关系为0.050 ~ 2.5 μ ml−1 (r2 = 0.9956)，检出限为0.015 μ ml−1。此外，用于实际样品检测的IBN传感器具有令人满意的回收率(90.0% ~ 108%)，相对标准偏差为3.2% ~ 6.7%。研制的MIL-53(Al)/Sb2SnO5传感器在环境分析、安全监测等领域具有广阔的应用前景。

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Enhanced cataluminescence sensing of MIL-53(Al)/Sb2SnO5 composites for isobutanol detection

In this study, MIL-53(Al) and Sb2SnO5 were synthesized by hydrothermal and precipitation methods, respectively. The doped MIL-53(Al)/Sb2SnO5 showed excellent catalytic properties, specifically for selectivity and sensitivity for isobutanol (IBN). To assess the catalytic properties of MIL-53(Al)/Sb2SnO5, an IBN gas sensor based on cataluminescence of MIL-53(Al)/Sb2SnO5 was developed, and it demonstrated detection of IBN with high sensitivity, high specificity, fast detection, and good stability. The signal response and recovery time of IBN gas sensor were 0.5 s and 6 s, respectively, and a good linear relation was 0.050–2.5 μg ml−1 (R 2 = 0.9956) with a low detection limit of 0.015 μg ml−1. Further, the IBN sensor applied in the detection of real samples had satisfactory recoveries (90.0%–108%) with relative standard deviations of 3.2%–6.7%. The developed sensor based on MIL-53(Al)/Sb2SnO5 has great prospects for the practical detection of IBN gas in the fields of environmental analysis, safety monitoring, etc.

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来源期刊

Measurement Science and Technology 工程技术-工程：综合

CiteScore

4.30

自引率

16.70%

发文量

656

审稿时长

4.9 months

期刊介绍： Measurement Science and Technology publishes articles on new measurement techniques and associated instrumentation. Papers that describe experiments must represent an advance in measurement science or measurement technique rather than the application of established experimental technique. Bearing in mind the multidisciplinary nature of the journal, authors must provide an introduction to their work that makes clear the novelty, significance, broader relevance of their work in a measurement context and relevance to the readership of Measurement Science and Technology. All submitted articles should contain consideration of the uncertainty, precision and/or accuracy of the measurements presented. Subject coverage includes the theory, practice and application of measurement in physics, chemistry, engineering and the environmental and life sciences from inception to commercial exploitation. Publications in the journal should emphasize the novelty of reported methods, characterize them and demonstrate their performance using examples or applications.