BMZC改进的ZIF-8/Si纳米孔柱阵列用于高灵敏度湿度检测

IF 2.5 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Applied Physics A Pub Date : 2025-05-08 DOI:10.1007/s00339-025-08548-1

Hongxin Cai, Hang Yu, Lingling Yan, Lingli Wang, Qiang Hu, Xiude Tu

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引用次数: 0

摘要

以离子液体1-丁基-3-甲基咪唑氯（BMZC）修饰的ZIF-8和硅纳米孔柱阵列（Si-NPA）为传感材料和衬底，构建了一系列新型湿度传感器（xBMZC@ZIF-8/Si-NPA）。将BMZC包封在ZIF-8纳米笼内，显著增强了ZIF-8的亲水性，从而提高了传感器的响应和稳定性。此外，Si-NPA独特的纳米通道网络结构作为水分子运输的有效途径，提高了响应/恢复速度。经最佳BMZC修饰制备的30 wt% BMZC@ZIF-8/Si-NPA湿度传感器在0%RH-75%RH范围内的阻抗响应率为7341.86%，平均响应/恢复时间为6.1 s/10.4 s，具有良好的重复性和线性特性。这些发现突出了BMZC@ZIF-8/Si-NPA在湿度传感中的潜在应用。

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BMZC modified ZIF-8/Si nanoporous pillar array for highly sensitive humidity detection

A series of novel humidity sensors (xBMZC@ZIF-8/Si-NPA) were constructed by using ionic liquid 1-butyl-3-methylimidazolium chloride (BMZC) modified ZIF-8 and silicon nanoporous pillar array (Si-NPA) as the sensing material and substrate, respectively. Encapsulation of BMZC within the ZIF-8 nanocage significantly enhanced the hydrophilicity of ZIF-8, thereby improving both sensor response and stability. Moreover, the unique nanochannel network structure of Si-NPA serves as an efficient pathway for water molecule transportation, enhancing response/recovery speed. The 30 wt% BMZC@ZIF-8/Si-NPA humidity sensor prepared with optimal BMZC modification exhibited an impedance responsivity of 7341.86% from 0%RH—75%RH, along with average response/recovery times of 6.1 s/10.4 s, demonstrating excellent repeatability and linearity characteristics. These findings highlight the potential applications for BMZC@ZIF-8/Si-NPA in humidity sensing.

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来源期刊

Applied Physics A 工程技术-材料科学：综合

CiteScore

4.80

自引率

7.40%

发文量

964

审稿时长

38 days

期刊介绍： Applied Physics A publishes experimental and theoretical investigations in applied physics as regular articles, rapid communications, and invited papers. The distinguished 30-member Board of Editors reflects the interdisciplinary approach of the journal and ensures the highest quality of peer review.