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Semi-Transparent p-Cu₂O/n-ZnO Nanoscale-Film Heterojunctions for Photodetection and Photovoltaic Applications

Abstract : 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.
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https://hal.univ-lorraine.fr/hal-02390743
Contributor : MAUD JULLIEN Connect in order to contact the contributor
Submitted on : Monday, July 5, 2021 - 2:51:18 PM
Last modification on : Sunday, June 26, 2022 - 3:10:41 AM
Long-term archiving on: : Wednesday, October 6, 2021 - 6:36:32 PM

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Claudia de Melo, Maud Jullien, yann Battie, Aotmane En Naciri, Jaafar Ghanbaja, et al.. Semi-Transparent p-Cu₂O/n-ZnO Nanoscale-Film Heterojunctions for Photodetection and Photovoltaic Applications. ACS Applied Nano Materials, American Chemical Society, 2019, 2 (7), pp.4358-4366. ⟨10.1021/acsanm.9b00808⟩. ⟨hal-02390743⟩

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