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Semi-Transparent p‑Cu2O/n-ZnO Nanoscale-Film Heterojunctions for Photodetection and Photovoltaic Applications
Universitéde Lorraine, CNRS, IJL, Nancy, France.
Universitéde Lorraine, CNRS, IJL, Nancy, France.
LCP-A2MC, Institut Jean Barriol, Universitéde Lorraine, Metz, France.
LCP-A2MC, Institut Jean Barriol, Universitéde Lorraine, Metz, France.
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2019 (English)In: ACS Applied Nano Materials, ISSN 2574-0970, Vol. 2, no 7, p. 4358-4366Article in journal (Refereed) Published
Abstract [en]

Transparent nanoscale-film heterojunctions based on Cu2O and ZnO were fabricated by atomic layer deposition and reactive magnetron sputtering. The constitutive layers exhibit high crystalline quality and a local epitaxial relation between Cu2O and ZnO was achieved with [110] Cu2O || [001] ZnO and [001] Cu2O || [010] ZnO as evidenced by high resolution transmission electron microscopy and. Cu2O films show very low resistivity and high mobility values of 9–150 Ω cm and 19 cm2/V s, respectively. The Cu2O/ZnO heterojunctions exhibit a nonlinear rectifying behavior characteristic of a p–n junction, self-powered photoresponse under 1 Sun illumination and an average transmittance of 73% in the visible region of the electromagnetic spectrum. These results are promising for all-oxide transparent electronics, photodetection and photovoltaic applications.

Place, publisher, year, edition, pages
American Chemical Society (ACS), 2019. Vol. 2, no 7, p. 4358-4366
Keywords [en]
copper oxide, atomic layer deposition, local epitaxy, heterojunction, transparent electronics, photodetectors
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Experimental Physics
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URN: urn:nbn:se:ltu:diva-75600DOI: 10.1021/acsanm.9b00808ISI: 000477917700037Scopus ID: 2-s2.0-85068417554OAI: oai:DiVA.org:ltu-75600DiVA, id: diva2:1344272
Note

Validerad;2019;Nivå 2;2019-08-20 (johcin)

Available from: 2019-08-20 Created: 2019-08-20 Last updated: 2019-08-20Bibliographically approved

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Rigoni, FedericaAlmqvist, NilsVomiero, Alberto

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