Enhanced Emission Properties of Anodized Polar ZnO Crystals

Zalamai Victor; Kolibaba Gleb; Monaico Elena; Monaico Eduard

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ZALAMAI, Victor, KOLIBABA, Gleb, MONAICO, Elena, MONAICO, Eduard. Enhanced Emission Properties of Anodized Polar ZnO Crystals. In: Surface Engineering and Applied Electrochemistry, 2021, nr. 1(57), pp. 117-123. ISSN 1068-3755. DOI: https://doi.org/10.3103/S1068375521010166

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Surface Engineering and Applied Electrochemistry

Numărul 1(57) / 2021 / ISSN 1068-3755 /ISSNe 1934-8002

Enhanced Emission Properties of Anodized Polar ZnO Crystals

DOI:https://doi.org/10.3103/S1068375521010166

Pag. 117-123

Zalamai Victor¹, Kolibaba Gleb², Monaico Elena¹, Monaico Eduard¹

¹ Technical University of Moldova,
² Moldova State University

Disponibil în IBN: 6 aprilie 2021

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Polar ZnO single crystals were microstructured in a controlled fashion by electrochemical etching. Surfaces with pyramids and inversed pyramids on oxygen and zinc faces, respectively, were received. Photoluminescence spectra of bulk and anodized ZnO samples were investigated at room and low temperatures. Cathodoluminescence images were also recorded from areas with different structures. A significant enhancement of light emission of the prepared microstructures was achieved after anodization. This allows to use such microstructures in light emitting devices and solar cells.

Cuvinte-cheie
Anodization, cathodoluminescence, morphology, photoluminescence, pyramidal structures, zinc oxide

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