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Optical and sensing properties of Fe doped ZnO nanocrystalline thin films

Materials Science-Poland
Volume 34 (2016): Issue 2 (June 2016)
By:
Open Access
|Jun 2016

Figures & Tables

Fig. 1

XRD patterns of undoped and Fe doped ZnO thin film samples. Here, (a), (b), (c) and (d) correspond to samples Z1, Z1F1, Z1F2 and Z1F3, respectively.
XRD patterns of undoped and Fe doped ZnO thin film samples. Here, (a), (b), (c) and (d) correspond to samples Z1, Z1F1, Z1F2 and Z1F3, respectively.

Fig. 2

XRD patterns of undoped and Fe doped ZnO thin film samples. Here, (a), (b), (c) and (d) correspond to samples Z2, Z2F1, Z2F2 and Z2F3, respectively.
XRD patterns of undoped and Fe doped ZnO thin film samples. Here, (a), (b), (c) and (d) correspond to samples Z2, Z2F1, Z2F2 and Z2F3, respectively.

Fig. 3

Transmission spectra of undoped and Fe doped ZnO thin film samples. Here, (a), (b), (c) and (d) correspond to samples Z1, Z1F1, Z1F2 and Z1F3, respectively.
Transmission spectra of undoped and Fe doped ZnO thin film samples. Here, (a), (b), (c) and (d) correspond to samples Z1, Z1F1, Z1F2 and Z1F3, respectively.

Fig. 4

Transmission spectra of undoped and Fe doped ZnO thin film samples. Here, (a), (b), (c) and (d) correspond to samples Z2, Z2F1, Z2F2 and Z2F3, respectively.
Transmission spectra of undoped and Fe doped ZnO thin film samples. Here, (a), (b), (c) and (d) correspond to samples Z2, Z2F1, Z2F2 and Z2F3, respectively.

Fig. 5

The variation in band gap of undoped and Fe doped ZnO. Here, the black and red lines correspond to the samples prepared using precursor solution of molarity 0.1 M and 0.15 M, respectively.
The variation in band gap of undoped and Fe doped ZnO. Here, the black and red lines correspond to the samples prepared using precursor solution of molarity 0.1 M and 0.15 M, respectively.

Fig. 6

SEM of undoped and Fe doped ZnO thin films. Here, (a), (b), (c) and (d) correspond to samples Z1, Z1F1, Z1F2 and Z1F3, respectively.
SEM of undoped and Fe doped ZnO thin films. Here, (a), (b), (c) and (d) correspond to samples Z1, Z1F1, Z1F2 and Z1F3, respectively.

Fig. 7

Variation of sensitivity of undoped and Fe doped ZnO thin film samples at various CO2 concentrations with temperature. Here, (a), (b), (c) and (d) correspond to samples Z1, Z1F1, Z1F2 and Z1F3, respectively.
Variation of sensitivity of undoped and Fe doped ZnO thin film samples at various CO2 concentrations with temperature. Here, (a), (b), (c) and (d) correspond to samples Z1, Z1F1, Z1F2 and Z1F3, respectively.

Fig. 8

Variation of sensitivity of undoped and Fe doped ZnO thin film samples at various CO2 concentrations with temperature. Here, (a), (b), (c) and (d) correspond to samples Z2, Z2F1, Z2F2 and Z2F3, respectively.
Variation of sensitivity of undoped and Fe doped ZnO thin film samples at various CO2 concentrations with temperature. Here, (a), (b), (c) and (d) correspond to samples Z2, Z2F1, Z2F2 and Z2F3, respectively.

Variation of optical band gap with Fe dopant concentration_

SampleCompositionOptical band gap [eV]
Z1 0.1MZnO3.28
Z1F10.1 M ZnO + 1 % FeCl33.20
Z1F20.1 M ZnO + 2 % FeCl33.18
Z1F20.1 M ZnO + 3 % FeCl33.17
Z2 0.15M ZnO3.20
Z2F10.15 M ZnO + 1 % FeCl33.24
Z2F20.15 M ZnO + 2 % FeCl33.22
Z2F30.15 M ZnO + 3 % FeCl33.21
DOI: https://doi.org/10.1515/msp-2016-0039 | Journal eISSN: 2083-134X | Journal ISSN: 2083-1331
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Language: English
Page range: 354 - 361
Submitted on: Sep 17, 2015
Accepted on: Jan 25, 2016
Published on: Jun 7, 2016
Published by: Wroclaw University of Science and Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
thin films,
spray pyrolysis,
ZnO,
iron,
band gap,
gas sensing
Related subjects:
Materials sciences,
Materials sciences, other,
Nanomaterials,
Functional and smart materials,
Materials characterization and properties

© 2016 R.K. Shukla, Anchal Srivastava, Nishant Kumar, Akhilesh Pandey, Mamta Pandey, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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