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使用旋涂碳气凝胶-聚苯胺复合材料的叉指电极进行的HS传感研究。

HS-Sensing Studies Using Interdigitated Electrode with Spin-Coated Carbon Aerogel-Polyaniline Composites.

作者信息

Bibi Aamna, Rubio Yuola Rose M, Santiago Karen S, Jia His-Wei, Ahmed Mahmoud M M, Lin Yi-Feng, Yeh Jui-Ming

机构信息

Center for Nanotechnology, Department of Chemistry, Chung Yuan Christian University (CYCU), Chung Li District, Tao-Yuan City 32023, Taiwan.

Department of Chemistry, College of Science, University of Santo Tomas, Espana, Manila 1015, Philippines.

出版信息

Polymers (Basel). 2021 Apr 30;13(9):1457. doi: 10.3390/polym13091457.

DOI:10.3390/polym13091457
PMID:33946296
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8124192/
Abstract

In this paper, carbon aerogel (CA)-polyaniline (PANI) composites were prepared and first applied in the study of HS gas sensing. Here, 1 and 3 wt% of as-obtained CA powder were blended with PANI to produce composites, which are denoted by PANI-CA-1 and PANI-CA-3, respectively. For the HS gas-sensing studies, the interdigitated electrode (IDE) was spin-coated by performing PANI and PANI-CA composite dispersion. The HS gas-sensing properties were studied in terms of the sensor's sensitivity, selectivity and repeatability. IDE coated with PANI-CA composites, as compared with pristine PANI, achieved higher sensor sensitivity, higher selectivity and good repeatability. Moreover, composites that contain higher loading of CA (e.g., 3 wt%) perform better than composites with lower loading of CA. At 1 ppm, PANI-CA-3 displayed increased sensitivity of 452% at relative humidity of 60% with a fast average response time of 1 s compared to PANI.

摘要

在本文中，制备了碳气凝胶（CA）-聚苯胺（PANI）复合材料，并首次将其应用于HS气敏研究。在此，将1 wt%和3 wt%的所得CA粉末与PANI混合以制备复合材料，分别记为PANI-CA-1和PANI-CA-3。对于HS气敏研究，通过旋涂PANI和PANI-CA复合分散体来制备叉指电极（IDE）。从传感器的灵敏度、选择性和重复性方面研究了HS气敏性能。与原始PANI相比，涂覆有PANI-CA复合材料的IDE具有更高的传感器灵敏度、更高的选择性和良好的重复性。此外，含有较高CA负载量（例如3 wt%）的复合材料比含有较低CA负载量的复合材料表现更好。在1 ppm时，与PANI相比，PANI-CA-3在60%相对湿度下显示出452%的灵敏度增加，平均响应时间快至1 s。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/73ea/8124192/eb3968b401ea/polymers-13-01457-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/73ea/8124192/abae3cbec476/polymers-13-01457-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/73ea/8124192/36c373fd6da1/polymers-13-01457-sch002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/73ea/8124192/b93b33fafa11/polymers-13-01457-sch003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/73ea/8124192/0c8344069f03/polymers-13-01457-g001a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/73ea/8124192/03684c2e218b/polymers-13-01457-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/73ea/8124192/932e9cf63f90/polymers-13-01457-g003a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/73ea/8124192/93b1037b883e/polymers-13-01457-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/73ea/8124192/3f8048d7b028/polymers-13-01457-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/73ea/8124192/bd1c426eee5a/polymers-13-01457-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/73ea/8124192/74ea7da706fa/polymers-13-01457-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/73ea/8124192/eb3968b401ea/polymers-13-01457-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/73ea/8124192/abae3cbec476/polymers-13-01457-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/73ea/8124192/36c373fd6da1/polymers-13-01457-sch002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/73ea/8124192/b93b33fafa11/polymers-13-01457-sch003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/73ea/8124192/0c8344069f03/polymers-13-01457-g001a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/73ea/8124192/03684c2e218b/polymers-13-01457-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/73ea/8124192/932e9cf63f90/polymers-13-01457-g003a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/73ea/8124192/93b1037b883e/polymers-13-01457-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/73ea/8124192/3f8048d7b028/polymers-13-01457-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/73ea/8124192/bd1c426eee5a/polymers-13-01457-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/73ea/8124192/74ea7da706fa/polymers-13-01457-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/73ea/8124192/eb3968b401ea/polymers-13-01457-g008.jpg

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