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

被引：49

作者：

de Melo, Claudia ^{[1
,2
]}

Jullien, Maud ^{[1
]}

Battie, Yann ^{[3
]}

Naciri, Aotmane En ^{[3
]}

Ghanbaja, Jaafar ^{[1
]}

Montaigne, Francois ^{[1
]}

Pierson, Jean-Francois ^{[1
]}

Rigoni, Federica ^{[4
]}

Almqvist, Nils ^{[4
]}

Vomiero, Alberto ^{[4
]}

Migot, Sylvie ^{[2
]}

Muecklich, Frank ^{[2
]}

Honwat, David ^{[1
]}

机构：

[1] Univ Lorraine, CNRS, IJL, F-54000 Nancy, France

[2] Saarland Univ, Dept Mat Sci & Engn, D-66123 Saarbrucken, Germany

[3] Univ Lorraine, Inst Jean Barriol, LCP A2MC, 1 Bd Arago, F-57070 Metz, France

[4] Lulea Univ Technol, Dept Engn Sci & Math, Div Mat Sci, S-97187 Lulea, Sweden

来源：

ACS APPLIED NANO MATERIALS | 2019年 / 2卷 / 07期

关键词：

copper oxide; atomic layer deposition; local epitaxy; heterojunction; transparent electronics; photodetectors; THIN-FILMS; OXIDE; CU2O; ZNO; WAVELENGTH; COMPOSITE; CUO;

D O I：

10.1021/acsanm.9b00808

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

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 parallel to [001] ZnO and [001] Cu2O parallel to [010] ZnO as evidenced by high resolution transmission electron microscopy and. Cu2O films show very low resistivity and high mobility values of 9-150 Omega cm and 19 cm(2)/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.

引用

页码：4358 / +

页数：17

共 45 条

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