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Gas sensing performance of hydrothermally grown CeO2-ZnO composites
- Authors
- Rajgure, A. V.; Tarwal, Nilesh L.; Patil, Jayashree Y.; Chikhale, L. P.; Pawar, Rajendra C.; Lee, Sunyong Caroline; Mulla, Imtiaz S.; Suryavanshi, Shankar S.
- Issue Date
- May-2014
- Publisher
- Pergamon Press Ltd.
- Keywords
- Composite; Zinc oxide; Gas sensor; Hydrothermal route; TEM
- Citation
- Ceramics International, v.40, no.4, pp 5837 - 5842
- Pages
- 6
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- Ceramics International
- Volume
- 40
- Number
- 4
- Start Page
- 5837
- End Page
- 5842
- ISSN
- 0272-8842
1873-3956
- Abstract
- The sensors based on cerium oxide zinc oxide (CeO2-ZnO) composites were fabricated by using thick-film screen printing of hydrotherrnally grown powders. The structural, morphological investigations were carried out by using XRD, FESEM and TEM and these studies revealed that the synthesized products were grown in high-density and possessed well-crystallinity. Furthermore, the gas responses were evaluated towards the ethanol, acetone, liquid petroleum gas (LPG) and ammonia gases. The 2 wt% CeO2-ZnO composite exhibited excellent response of 94% at 325 degrees C and better selectivity towards ethanol with low response and recovery time as compared to pure ZnO and can stand as reliable sensor element for ethanol sensor related applications. (C) 2013 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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Related Researcher
- Lee, Sunyong Caroline
- ERICA 첨단융합대학 (ERICA 신소재·반도체공학전공)