CeO2-based mixed potential type acetone sensor using MMnO3 (M: Sr, Ca, La and Sm) sensing electrode

CeO2-based mixed potential type acetone sensor using MMnO3 (M: Sr, Ca, La and Sm) sensing electrode The CeO2-based mixed potential type gas sensors attached with MMnO3 (M: Sr, Ca, La and Sm) sensing electrode have been fabricated to detect acetone. All MMnO3 materials were prepared by a simple sol-gel method. The results indicated that the response of the sensor based on SrMnO3 sintered at 1000 °C to 20 ppm acetone was the highest compared with sensors using MMnO3 (M: Ca, La and Sm)-SE, which was −49 mV. The sensor attached with SrMnO3-SE could detect even 1 ppm acetone, and the response value (ΔV) was −3 mV, which was an acceptable value. The ΔV of the sensor was linearly changed with the logarithm of acetone concentration in the range of 1–50 ppm and the sensitivity was −36 mV/decade. Most notably, the typical 90% response and recovery times of the sensor attached with SrMnO3-SE to 20 ppm acetone were only 2 s and 6 s. Moreover, the sensor manifested good repeatability and stability. Besides, the sensing mechanism of the sensor was explained, and polarization curve was measured to further demonstrate the mixed potential mechanism. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Solid State Ionics Elsevier

CeO2-based mixed potential type acetone sensor using MMnO3 (M: Sr, Ca, La and Sm) sensing electrode

Loading next page...
 
/lp/elsevier/ceo2-based-mixed-potential-type-acetone-sensor-using-mmno3-m-sr-ca-la-0gnrxkI8Mw
Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier B.V.
ISSN
0167-2738
eISSN
1872-7689
D.O.I.
10.1016/j.ssi.2018.01.005
Publisher site
See Article on Publisher Site

Abstract

The CeO2-based mixed potential type gas sensors attached with MMnO3 (M: Sr, Ca, La and Sm) sensing electrode have been fabricated to detect acetone. All MMnO3 materials were prepared by a simple sol-gel method. The results indicated that the response of the sensor based on SrMnO3 sintered at 1000 °C to 20 ppm acetone was the highest compared with sensors using MMnO3 (M: Ca, La and Sm)-SE, which was −49 mV. The sensor attached with SrMnO3-SE could detect even 1 ppm acetone, and the response value (ΔV) was −3 mV, which was an acceptable value. The ΔV of the sensor was linearly changed with the logarithm of acetone concentration in the range of 1–50 ppm and the sensitivity was −36 mV/decade. Most notably, the typical 90% response and recovery times of the sensor attached with SrMnO3-SE to 20 ppm acetone were only 2 s and 6 s. Moreover, the sensor manifested good repeatability and stability. Besides, the sensing mechanism of the sensor was explained, and polarization curve was measured to further demonstrate the mixed potential mechanism.

Journal

Solid State IonicsElsevier

Published: Apr 1, 2018

References

You’re reading a free preview. Subscribe to read the entire article.


DeepDyve is your
personal research library

It’s your single place to instantly
discover and read the research
that matters to you.

Enjoy affordable access to
over 12 million articles from more than
10,000 peer-reviewed journals.

All for just $49/month

Explore the DeepDyve Library

Unlimited reading

Read as many articles as you need. Full articles with original layout, charts and figures. Read online, from anywhere.

Stay up to date

Keep up with your field with Personalized Recommendations and Follow Journals to get automatic updates.

Organize your research

It’s easy to organize your research with our built-in tools.

Your journals are on DeepDyve

Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.

All the latest content is available, no embargo periods.

See the journals in your area

DeepDyve Freelancer

DeepDyve Pro

Price
FREE
$49/month

$360/year
Save searches from Google Scholar, PubMed
Create lists to organize your research
Export lists, citations
Read DeepDyve articles
Abstract access only
Unlimited access to over
18 million full-text articles
Print
20 pages/month
PDF Discount
20% off