Electrical and photoelectrical properties of zn1&minus;xMgxO Thin Films Obtained by Spin Coating and Aerosol Deposition Method

Morari Vadim; Postolache Vitalie; Mihai G.; Rusu Emil; Monaico Eduard; Ursachi Veaceslav; Nielsch Kornelius; Tiginyanu Ion

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2021-12-27 14:34

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MORARI, Vadim, POSTOLACHE, Vitalie, MIHAI, G., RUSU, Emil, MONAICO, Eduard, URSACHI, Veaceslav, NIELSCH, Kornelius, TIGINYANU, Ion. Electrical and photoelectrical properties of zn1−xMgxO Thin Films Obtained by Spin Coating and Aerosol Deposition Method. In: IFMBE Proceedings: . 4th International Conference on Nanotechnologies and Biomedical Engineering, Ed. 4, 18-21 septembrie 2019, Chişinău. Switzerland: Springer Nature Switzerland AG, 2020, Ediția 4, Vol.77, pp. 105-109. ISBN 978-303031865-9. ISSN 16800737. DOI: https://doi.org/10.1007/978-3-030-31866-6_23

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IFMBE Proceedings
Ediția 4, Vol.77, 2020

Conferința "Conference on Nanotechnologies and Biomedical Engineering"
4, Chişinău, Moldova, 18-21 septembrie 2019

Electrical and photoelectrical properties of zn_1−xMg_xO Thin Films Obtained by Spin Coating and Aerosol Deposition Method

DOI:https://doi.org/10.1007/978-3-030-31866-6_23

CZU: 538.9+621.315.592

Pag. 105-109

Morari Vadim¹, Postolache Vitalie², Mihai G.³, Rusu Emil¹, Monaico Eduard², Ursachi Veaceslav¹, Nielsch Kornelius⁴, Tiginyanu Ion¹²

¹ Institute of the Electronic Engineering and Nanotechnologies "D. Ghitu",
² Technical University of Moldova,
³ University Politehnica of Bucharest,
⁴ Leibniz Institute for Solid State and Materials Reseach, Dresden

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Menționat în lucrare: GA 810652

Promoting smart specialization at the Technical University of Moldova by developing the field of Novel Nanomaterials for BioMedical Applications through excellence in research and twinning

GA 810652

Promoting smart specialization at the Technical University of Moldova by developing the field of Novel Nanomaterials for BioMedical Applications through excellence in research and twinning

Disponibil în IBN: 31 octombrie 2020

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Rezumat

Zn_1−xMg_xO thin films were prepared by aerosol deposition and spin-coating method, using zinc acetate and magnesium acetate as precursors. The obtained films were investigated by scanning electron microscopy (SEM), electrical and photoelectrical characterization. SEM and energy dispersive x-ray (EDX) analysis has shown that the produced thin films are homogeneous in morphology and composition. The relaxation of photoconductivity under UV illumination was investigated in vacuum as a function of temperature. It was found that the thin films produced by spin-coating exhibit much higher photosensitivity and long duration relaxation of photoconductivity, in contrast to the films obtained by aerosol deposition. The investigation of photosensitivity in a wider spectral range demonstrated that the films are also sensitive to the visible and infrared irradiation.

Cuvinte-cheie
I-V characterization, SEM, Semiconductors, UV radiation, ZnMgO