Pt糊剂和丝网印刷电极焙烧温度对脉冲极化法检测NO的影响

IF 0.8 Q4 INSTRUMENTS & INSTRUMENTATION

Journal of Sensors and Sensor Systems Pub Date : 2020-09-17 DOI:10.5194/JSSS-9-293-2020

N. Donker, A. Ruchets, D. Schönauer-Kamin, J. Zosel, U. Guth, R. Moos

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引用次数: 0

摘要

摘要用含玻璃料和无玻璃料的Pt浆通过丝网印刷制备了对称的Pt|YSZ|Pt传感器，并在950、1100和1300下烧制 ∘ C.随后，通过脉冲极化操作传感器，并研究NO的灵敏度。使用无玻璃料浆料的传感器的灵敏度显著更高。烧成温度的影响比浆料的影响小。含rit电极的低NO敏感性归因于可能发生在三相边界的阻断效应。因此，通过传感器的氧气传输被抑制，然而，这似乎是传感器效果所必需的。

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Influence of Pt paste and the firing temperature of screen-printed electrodes on the NO detection by pulsed polarization

Abstract. Symmetrical Pt | YSZ | Pt sensors were produced by screen printing with frit-containing and fritless Pt pastes and fired at 950, 1100, and 1300 ∘ C. Subsequently, the sensors were operated by pulsed polarization, and the NO sensitivity was investigated. The sensitivity of the sensors with fritless pastes was found to be significantly higher. The influence of the firing temperature was low in contrast to the influence of the paste. The low NO sensitivity of the frit-containing electrodes was attributed to a blocking effect that probably occurs at the triple-phase boundaries. Therefore, the oxygen transport through the sensor is inhibited, which, however, seems to be necessary for the sensor effect.

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来源期刊

Journal of Sensors and Sensor Systems INSTRUMENTS & INSTRUMENTATION-

CiteScore

2.30

自引率

10.00%

发文量

审稿时长

23 weeks

期刊介绍： Journal of Sensors and Sensor Systems (JSSS) is an international open-access journal dedicated to science, application, and advancement of sensors and sensors as part of measurement systems. The emphasis is on sensor principles and phenomena, measuring systems, sensor technologies, and applications. The goal of JSSS is to provide a platform for scientists and professionals in academia – as well as for developers, engineers, and users – to discuss new developments and advancements in sensors and sensor systems.