Next Article in Journal
Investigation on Single-Molecule Junctions Based on Current–Voltage Characteristics
Previous Article in Journal
Strategy for Monitoring Cardiac Interventions with an Intelligent Robotic Ultrasound Device
Article Menu
Issue 2 (February) cover image

Export Article

Open AccessArticle
Micromachines 2018, 9(2), 66; doi:10.3390/mi9020066

Electrospray Deposition of ZnO Thin Films and Its Application to Gas Sensors

1
School of Mechanical and Automotive Engineering, Xiamen University of Technology, Xiamen 361024, China
2
Department of Instrumental and Electrical Engineering, Xiamen University, Xiamen 361005, China
3
Xiamen Key Laboratory of Optoelectronic Transducer Technology, Xiamen 361005, China
4
Fujian Key Laboratory of Universities and Colleges for Transducer Technology, Xiamen 361005, China
5
School of Mathematical Sciences, Xiamen University, Xiamen 361005, China
*
Authors to whom correspondence should be addressed.
Received: 24 December 2017 / Revised: 18 January 2018 / Accepted: 1 February 2018 / Published: 2 February 2018
(This article belongs to the Special Issue Nanostructure Based Sensors for Gas Sensing: from Devices to Systems)
View Full-Text   |   Download PDF [3380 KB, uploaded 2 February 2018]   |  

Abstract

Electrospray is a simple and cost-effective method to fabricate micro-structured thin films. This work investigates the electrospray process of ZnO patterns. The effects of experimental parameters on jet characteristics and electrosprayed patterns are studied. The length of stable jets increases with increasing applied voltage and flow rate, and decreases with increasing nozzle-to-substrate distance, while electrospray angles exhibit an opposite trend with respect to the stable jet lengths. The diameter of electrosprayed particles decreases with increasing applied voltage, and increases with flow rate. Furthermore, an alcohol gas sensor is presented. The ZnAc is calcined into ZnO, which reveals good repeatability and stability of response in target gas. The sensing response, defined as the resistance ratio of R0/Rg, where R0 and Rg are resistance of ZnO in air and alcohol gas, increases with the concentration of alcohol vapors and electrospray deposition time. View Full-Text
Keywords: electrospray; ZnO; gas sensor; semiconductor electrospray; ZnO; gas sensor; semiconductor
Figures

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

Scifeed alert for new publications

Never miss any articles matching your research from any publisher
  • Get alerts for new papers matching your research
  • Find out the new papers from selected authors
  • Updated daily for 49'000+ journals and 6000+ publishers
  • Define your Scifeed now

SciFeed Share & Cite This Article

MDPI and ACS Style

Li, W.; Lin, J.; Wang, X.; Jiang, J.; Guo, S.; Zheng, G. Electrospray Deposition of ZnO Thin Films and Its Application to Gas Sensors. Micromachines 2018, 9, 66.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Micromachines EISSN 2072-666X Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top