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Issue 76, 2017, Issue in Progress
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Development of low temperature stoichiometric solution combustion derived transparent conductive ternary zinc tin co-doped indium oxide electrodes

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Abstract

Here, the development of transparent conductive zinc tin co-doped indium oxide (IZTO: In1.4Sn0.3Zn0.3O3) ternary electrodes is addressed through low temperature solution combustion processing. Optimization of fuel to oxidizer ratio offers low temperature (∼130 °C) of combustion with balanced redox reaction. The thin films of IZTO annealed at different temperatures showed a decreasing trend in the resistivity with a fixed order of 10−2 Ω cm and the film with a highest Hall mobility of 5.92 cm2 V−1 s−1 resulted at 400 °C. All the films with different temperatures of annealing were smooth (rms ≤ 2.42 nm) in nature and the IZTO film annealed at 200 °C is 83% transparent in the visible spectra. The effective band gap of 0.9 eV determined from first-principles density functional theory gives clear evidence for the conducting nature of IZTO. The thin film transistor fabricated with IZTO as a gate electrode with poly(methyl methacrylate) and pentacene as the dielectric and channel material, respectively, exhibited a saturation mobility of 0.44 cm2 V−1 s−1 and Ion/Ioff ratio of 103. Further, the printability of the IZTO combustible precursor is established which resulted in anti-edge deposition of the printed feature.

Graphical abstract: Development of low temperature stoichiometric solution combustion derived transparent conductive ternary zinc tin co-doped indium oxide electrodes

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Publication details

The article was received on 19 Aug 2017, accepted on 09 Oct 2017 and first published on 13 Oct 2017


Article type: Paper
DOI: 10.1039/C7RA09189C
RSC Adv., 2017,7, 48253-48262
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    Development of low temperature stoichiometric solution combustion derived transparent conductive ternary zinc tin co-doped indium oxide electrodes

    P. Pujar, S. Gandla, M. Singh, B. Gupta, K. Tarafder, D. Gupta, Y. Noh and S. Mandal, RSC Adv., 2017, 7, 48253
    DOI: 10.1039/C7RA09189C

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