Precursor-Derived Sensing Interdigitated Electrode Microstructures Based on Platinum and Nano Porous Carbon.

IF 2.5 4区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY ChemistryOpen Pub Date : 2024-08-19 DOI:10.1002/open.202400179
Lukas Mielewczyk, Lydia Galle, Nick Niese, Julia Grothe, Stefan Kaskel
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Abstract

Interdigital electrodes were prepared using nanoimprint lithography and piezoelectric inkjet printing. These processes are simpler and more cost-effective than the industrially used electron beam lithography because of their purely mechanical process step. For the investigation of material dependence, platinum as well as carbon electrodes were fabricated. Afterwards electrodes with various line widths and spacings were tested for the application as a chemiresistive sensor for ferrocenyl-methanol and the influence of the gap-width and conductor cross-section on the sensitivity was investigated. The general suitability of the systems for the production of such structures could be confirmed. Structures with a limit of detection (LOD) down to 1.2 μM and 35.9 μM could be produced for carbon and platinum, respectively, as well as a response time of 3.6 s was achieved.

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基于铂和纳米多孔碳的前驱体衍生传感交错电极微结构。
采用纳米压印光刻和压电喷墨打印技术制备了数字间电极。与工业上使用的电子束光刻法相比,这些工艺更简单,成本效益更高,因为其工艺步骤纯粹是机械操作。为了研究材料依赖性,我们制作了铂电极和碳电极。随后,对具有不同线宽和间距的电极进行了测试,以用作二茂铁甲醇的化学电阻传感器,并研究了间隙宽度和导体横截面对灵敏度的影响。这些系统对生产此类结构的总体适用性得到了证实。碳和铂的检测限(LOD)分别低至 1.2 μM 和 35.9 μM,响应时间也达到了 3.6 秒。
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来源期刊
ChemistryOpen
ChemistryOpen CHEMISTRY, MULTIDISCIPLINARY-
CiteScore
4.80
自引率
4.30%
发文量
143
审稿时长
1 months
期刊介绍: ChemistryOpen is a multidisciplinary, gold-road open-access, international forum for the publication of outstanding Reviews, Full Papers, and Communications from all areas of chemistry and related fields. It is co-owned by 16 continental European Chemical Societies, who have banded together in the alliance called ChemPubSoc Europe for the purpose of publishing high-quality journals in the field of chemistry and its border disciplines. As some of the governments of the countries represented in ChemPubSoc Europe have strongly recommended that the research conducted with their funding is freely accessible for all readers (Open Access), ChemPubSoc Europe was concerned that no journal for which the ethical standards were monitored by a chemical society was available for such papers. ChemistryOpen fills this gap.
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