The characterization of Zn1-xCoxO thin films synthesized by ultrasonic spray deposition with controlled visible light absorption

• Autorzy: Charef Azzeddine , Zitouni Karima , Benramache Said , Kadri Abderrahmane

Identyfikatory

DOI

10.2478/adms-2024-0012

• Języki publikacji: EN

Abstrakty

EN

This work examines the grown of Zn1-xCoxO films at different Co concentrations at 420°C by ultrasonic spray deposition. The effect of Co concentration of Zn1-xCoxO films on optical characterization, structure crystallinity and electrical conductivity was studied. Transmission spectra of Zn1-xCoxO films presented three edges in the visible region, it was observed in the range of 541 and 656 nm of wavelengths, which related to the d-d transitions of Co2+ ion with 3d7 high-spin configurations in a tetrahedral crystal field formed by neighboring O2−ions. The gap energy was found increases after doping by Co to maximum value of 3.373 eV at x=0.04. The Urbach energy minimum was 0.083eV, it is obtained for x=0.01. The sprayed Zn1-xCoxO films exhibit a wurtzite structure with preferred orientation in the (002) direction. The maximum crystallite size of Zn1-xCoxO films was 95.61 nm at x=0.06. The maximum electrical conductivity of the Co doped ZnO films was located at x=0.06.

Słowa kluczowe

EN

Zn1-xCoxO; thin films; transparent conducting oxides; TCO; ultrasonic spray method

PL

Zn1-xCoxO; cienkie warstwy; transparentne warstwy przewodzące; ultradźwiękowa metoda natryskiwania

• Wydawca: Politechnika Gdańska
• Czasopismo: Advances in Materials Science
• Rocznik: 2024
• Tom: Vol. 24, nr 2(80)
• Strony: 61--69
• Opis fizyczny: Bibliogr. 20 poz., wykr.

Twórcy

autor

Charef Azzeddine

• LEMOP Laboratory, Laboratoire d'Etude des Matériaux Optoélectronique et Polymères, Oran University, Algeria
• Laboratoire de Physique Photonique et Nanomatériaux Multifonctionnels, LPPNM, Biskra University, Algeria

autor

Zitouni Karima

• LEMOP Laboratory, Laboratoire d'Etude des Matériaux Optoélectronique et Polymères, Oran University, Algeria

autor

Benramache Said

• Laboratoire de Physique Photonique et Nanomatériaux Multifonctionnels, LPPNM, Biskra University, Algeria

autor

Kadri Abderrahmane

• LEMOP Laboratory, Laboratoire d'Etude des Matériaux Optoélectronique et Polymères, Oran University, Algeria

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025).