Effect of calcination temperature on NO 2 sensing properties for quantum size ZnO crystals

Shouli Bai; Jingwei Hu; Dianqing Li; Ruixian Luo; Aifan Chen; Chung Chiun Liu

doi:10.1109/JSEN.2011.2166152

Effect of calcination temperature on NO ₂ sensing properties for quantum size ZnO crystals

Shouli Bai, Jingwei Hu, Dianqing Li, Ruixian Luo, Aifan Chen, Chung Chiun Liu

Graduate Institute of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

Quantum size ZnO crystals have been synthesized successfully by a room temperature sol-gel process using oleic acid (OA) as capping agent to control the particle size. The particle size and structure of ZnO nanocrystals have been charactirized by X-ray diffraction (XRD), transmission electron microscope (TEM) and Raman spectra analysis methods. The sensor based on ZnO powder calcined at 400 °C for 1 h exhibits the highest response of 280 to NO ₂ and the selectivity to CO and CH ₄ at the same concentration reaches 31 and 49 at operating temperature of 290°C. The effect of calcination temperature on the performance of gas sensing has also been studied.

Original language	English
Article number	5999684
Pages (from-to)	1122-1126
Number of pages	5
Journal	IEEE Sensors Journal
Volume	12
Issue number	5
DOIs	https://doi.org/10.1109/JSEN.2011.2166152
State	Published - 2012

Keywords

NO
quantum size
sensing property
ZnO

Access to Document

10.1109/JSEN.2011.2166152

Cite this

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title = "Effect of calcination temperature on NO 2 sensing properties for quantum size ZnO crystals",

abstract = "Quantum size ZnO crystals have been synthesized successfully by a room temperature sol-gel process using oleic acid (OA) as capping agent to control the particle size. The particle size and structure of ZnO nanocrystals have been charactirized by X-ray diffraction (XRD), transmission electron microscope (TEM) and Raman spectra analysis methods. The sensor based on ZnO powder calcined at 400 °C for 1 h exhibits the highest response of 280 to NO 2 and the selectivity to CO and CH 4 at the same concentration reaches 31 and 49 at operating temperature of 290°C. The effect of calcination temperature on the performance of gas sensing has also been studied.",

keywords = "NO, quantum size, sensing property, ZnO",

author = "Shouli Bai and Jingwei Hu and Dianqing Li and Ruixian Luo and Aifan Chen and Liu, {Chung Chiun}",

note = "Funding Information: Manuscript received July 20, 2011; accepted August 17, 2011. Date of publication August 30, 2011; date of current version April 11, 2012. This work was supported by the National Natural Science Foundation of China under Grants 21177007 and 51072014 and Beijing Natural Science Foundation under Grants 8102028 and 8112022. The associate editor coordinating the review of this manuscript and approving it for publication was Prof. Boris Stoeber.",

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AU - Bai, Shouli

AU - Hu, Jingwei

AU - Li, Dianqing

AU - Luo, Ruixian

AU - Chen, Aifan

AU - Liu, Chung Chiun

N1 - Funding Information: Manuscript received July 20, 2011; accepted August 17, 2011. Date of publication August 30, 2011; date of current version April 11, 2012. This work was supported by the National Natural Science Foundation of China under Grants 21177007 and 51072014 and Beijing Natural Science Foundation under Grants 8102028 and 8112022. The associate editor coordinating the review of this manuscript and approving it for publication was Prof. Boris Stoeber.

PY - 2012

Y1 - 2012

N2 - Quantum size ZnO crystals have been synthesized successfully by a room temperature sol-gel process using oleic acid (OA) as capping agent to control the particle size. The particle size and structure of ZnO nanocrystals have been charactirized by X-ray diffraction (XRD), transmission electron microscope (TEM) and Raman spectra analysis methods. The sensor based on ZnO powder calcined at 400 °C for 1 h exhibits the highest response of 280 to NO 2 and the selectivity to CO and CH 4 at the same concentration reaches 31 and 49 at operating temperature of 290°C. The effect of calcination temperature on the performance of gas sensing has also been studied.

AB - Quantum size ZnO crystals have been synthesized successfully by a room temperature sol-gel process using oleic acid (OA) as capping agent to control the particle size. The particle size and structure of ZnO nanocrystals have been charactirized by X-ray diffraction (XRD), transmission electron microscope (TEM) and Raman spectra analysis methods. The sensor based on ZnO powder calcined at 400 °C for 1 h exhibits the highest response of 280 to NO 2 and the selectivity to CO and CH 4 at the same concentration reaches 31 and 49 at operating temperature of 290°C. The effect of calcination temperature on the performance of gas sensing has also been studied.

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