Skip to main content Accessibility help
×
Home

ZnO and Al-doped ZnO thin films prepared by spray pyrolysis for ethanol gas sensing

  • Y. Bakha (a1), K.M. Bendimerad (a1) and S. Hamzaoui (a1)

Abstract

Chemically sprayed aluminum-doped ZnO (1% Al) and undoped ZnO thin films were deposited on glass substrates at T = 420 °C. The thin films are characterized by X-ray diffraction and scanning electron microscopy. The characterization results show that all the compounds are wurtzite with hexagonal structure (0 0 2). They are well crystallized and the grain size is (e = 0.1 μm) for undoped ZnO and (e = 0.13 μm) for Al-doped ZnO. The prepared Al-doped ZnO showed good gas responses to ethanol for two concentrations 200 ppm and 400 ppm. Short response time is given by Al-doped ZnO comparing with undoped ZnO films, its estimate at (~10 s) and recovery time (~15 s) to 200 ppm at T = 220 °C.

Copyright

Corresponding author

References

Hide All
[1]Fortunato, E., Raniero, L., Silva, L., Goncalves, A., Pimentel, A., Barquinha, P., Aguas, H., Pereira, L., Goncalves, G., Ferreira, I., Elangovan, E., Martins, R., Sol. Energy Mater. Sol. Cells 92, 1605 (2008)
[2]Lim, H.J., Lee, D.Y., Oh, Y.J., Sens. Actuators A 125, 405 (2006)
[3]Cheng, H.M., Chiu, W.H., Lee, C.H., Tsai, S.Y., Hsieh, W.F., J. Phys. Chem. C 112, 16359 (2008)
[4]Zakia, A., Elsimarya, H., Zaghloul, M., Microelectron. J. 38, 426 (2007)
[5]Yawale, S.P., Yawale, S.S., Lamdhade, G.T., Sens. Actuators A 135, 388 (2007)
[6]Nunes, P., Fortunato, E., Lopes, A., Martins, R., Int. J. Inorg. Mater. 3, 1129 (2001)
[7]Gómez, H., Maldonado, A., Castanedo-Pérez, R., Torres-Delgado, G., Mater. Charact. 58, 708 (2007)
[8]Yang, Z., Huangb, Y., Chena, G., Guoc, Z., Chengb, S., Huange, S., Sens. Actuators B 140, 549 (2009)
[9]Morales, A., Zaldivar, M.H., Pal, U., Opt. Mater. 29, 100 (2006)
[10]Fortunato, E., Gonçalves, A., Pimentel, A., Barquinha, P., Gonçalves, G., Pereira, L., Ferreira, I., Martins, R., Appl. Phys. A 96, 197 (2009)
[11]Scherrer, P., G. Nachr. 2, 98 (1918)
[12]Senthilkumaar, S., Rajendran, K., Banerjee, S., Chini, T.K., Sengodan, V., Mater. Sci. Semicond. Process. 11, 6 (2008)
[13]Zhang, C.Y., Li, X.M., Bian, J.M., Yu, W.D., Gao, X.D., Mater. Sci. Semicond. Process. 10, 215 (2007)
[14]Li, Y., Gong, J., Deng, Y., Sens. Actuators A 158, 176 (2010)
[15]Liu, H.X., Cui, D., Li, M., Jiang, M., Sens. Actuators B 114, 301 (2006)
[16]Wang, X., Song, J., Liu, J., Lin Wang, Z., Science 316, 102 (2007)

Related content

Powered by UNSILO

ZnO and Al-doped ZnO thin films prepared by spray pyrolysis for ethanol gas sensing

  • Y. Bakha (a1), K.M. Bendimerad (a1) and S. Hamzaoui (a1)

Metrics

Full text views

Total number of HTML views: 0
Total number of PDF views: 0 *
Loading metrics...

Abstract views

Total abstract views: 0 *
Loading metrics...

* Views captured on Cambridge Core between <date>. This data will be updated every 24 hours.

Usage data cannot currently be displayed.