Bias dependent sensitivity in metal-oxide gas sensors

Sensors and Actuators, B: Chemical

Volumn 131, Issue 1, 2008, Pages 134-142

  Varpula, A ^a   Novikov, S ^a   Sinkkonen, J ^a   Utriainen, M ^b  

^a AALTO UNIVERSITY   (Finland)

^b Environics Oy   (Finland)

Author keywords

Bias voltage; Conduction model; Metal oxide gas sensor; Sensitivity; Surface state model; Tungsten trioxide

Indexed keywords

BIAS VOLTAGE; GRAIN BOUNDARIES; IONIZATION; OXIDES; SENSITIVITY ANALYSIS;

METAL-OXIDE GAS SENSOR; THERMODYNAMICAL EQUILIBRIUM;

CHEMICAL SENSORS;

EID: 41449116252     PISSN: 09254005     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.snb.2007.12.013     Document Type: Article

References (21)

1. Barsan N., and Weimar U. Conduction model of metal oxide gas sensors. J. Electroceram. 7 (2001) 143-167
2. Kohl D. Function and applications of gas sensors. J. Phys. D Appl. Phys. 34 (2001) R125-R149
3. 2 gas sensors: a status report. Fresenius J. Anal. Chem. 365 (1999) 287-304
4. 2 sensors in the presence of humidity. J. Phys. Condens. Matter 15 (2003) R813-R839
5. 2-based microhotplate sensors. Sens. Actuators B Chem. 77 (2001) 597-613
6. 2-based thick film sensors: Surface state model for conductance responses during thermal-modulation. Sens. Actuators B Chem. 116 (2006) 43-48
7. 2-based thick film sensors. Part I. Model derivation. IEEE Trans. Instrum. Meas. 55 6 (2006) 2102-2106
8. 2-based thick film sensors. Part II. Experimental verification. IEEE Trans. Instrum. Meas. 55 6 (2006) 2107-2117
9. Lüth H. Solid Surfaces, Interfaces and Thin Films. fourth ed. (2001), Springer, Berlin, Germany 271
10. Sinkkonen J. DC conductivity of a random barrier network. Phys. Status Solidi (b) 102 (1980) 621-627
11. Greuter F., and Blatter G. Electrical properties of grain boundaries in polycrystalline compound semiconductors. Semicond. Sci. Technol. 5 (1990) 111-137
12. Råde L., and Westergren B. Mathematics Handbook for Science and Engineering. fourth ed. (1998), Studentlitteratur, Lund, Sweden 196
13. 2 thin films for ethanol sensors. Sens. Actuators B Chem. 73 (2001) 27-34
14. 3 sensors under ethanol vapors. Sens. Actuators B Chem. 119 (2006) 374-379
15. 3 thin film as ozone sensor. Sens. Actuators B Chem. 119 (2006) 327-334
16. 2 gas sensor operated in the dynamic regime. Sens. Actuators B Chem. 106 (2005) 691-699
17. Park C.O., and Akbar S.A. Ceramics for chemical sensing. J. Mater. Sci. 38 (2003) 4611-4637
18. Environics Oy, http://www.environics.fi/.
19. Simon I., Bârsan N., Bauer M., and Weimar U. Micromachined metal oxide gas sensors: opportunities to improve sensor performance. Sens. Actuators B Chem. 73 (2001) 1-26
20. Williams D.E., Aliwell S.R., Pratt K.F.E., Caruana D.J., Jones R.L., Cox R.A., Hansford G.M., and Halsall J. Modelling the response of a tungsten oxide semiconductor as a gas sensor for the measurement of ozone. Meas. Sci. Technol. 13 (2002) 923-931
21. 2 thin film CO sensor. Sensors 6 (2006) 1153-1160