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Improved efficiency of electrodeposited p-CuO/n-Cu2O heterojunction solar cell
Univ Colombo, Dept Phys, Colombo 3, Sri Lanka.;Univ Kelaniya, Dept Phys, Kelaniya, Sri Lanka..
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Physics.
Univ Kelaniya, Dept Phys, Kelaniya, Sri Lanka..
Univ Colombo, Dept Phys, Colombo 3, Sri Lanka..
2015 (English)In: Applied Physics Express, ISSN 1882-0778, Vol. 8, no 6, 065503Article in journal (Refereed) PublishedText
Abstract [en]

We report electrodeposition of n-type cuprous oxide (Cu2O) films on p-type CuO films electrodeposited on Ti substrates for forming p-CuO/n-Cu2O heterostructures. X-ray diffraction (XRD) and scanning electron microscopy (SEM) analysis revealed that the films had good structural quality, with substrates being well-covered by the films. The p-CuO/n-Cu2O heterojunctions exhibited good photovoltaic properties and diode characteristics. The surfaces of Cu2O films subject to ammonium sulfide treatment exhibited enhanced photocurrents. Under AM 1.5 illumniation, the obtained sulfur-treated and annealed Ti/p-CuO/n-Cu2O/Au solar cell structure yielded energy conversion efficiency of 0.64%, with V-oc = 220mV and J(sc) = 6.8 mAcm(-2).

Place, publisher, year, edition, pages
2015. Vol. 8, no 6, 065503
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-269766DOI: 10.7567/APEX.8.065503ISI: 000358071400047OAI: oai:DiVA.org:uu-269766DiVA: diva2:885454
Available from: 2015-12-18 Created: 2015-12-18 Last updated: 2015-12-18Bibliographically approved

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Kapaklis, Vassilios
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