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- W2768332912 abstract "The nanomaterial are of great interest in several technological fields, particularly nanotechnologies, and among these nanomaterials, transparent conductive oxides (TCO), combining electrical conductivity and transmittance in the visible range. Cuprous oxide (Cu 2 O) is a material of this large family of TCO. Considered as one of the promising TCO materials in the manufacture of solar cells. With a direct band gap of 2.0 eV, non-toxicity, and abundance of source materials, is known as a suitable material for photovoltaic energy conversion [1]–[3]. Although the theoretical efficiency of Cu 2 O solar cells is about 19 %, the best-reported efficiency is only between 1 % and 2 %. The low efficiency was attributed to the natural p-type conduction in Cu 2 O [4], which prevented a p-n homo-junction in Cu 2 O. In this works, the electrochemical deposition method has been used to prepare pure Cu 2 O n-type nanostructures onto fluorine tin oxide (FTO) substrates from an aqueous cupric sulphate solution, and different concentrations of CuCl 2 to change the conduction type from p type to n type for solar cell application was studied. The effects of CuCl 2 on Cu 2 O thin films were investigated by X-ray diffraction (XRD), atomic force microscopy (AFM), UV-Vis spectrophotometry, Mott-Schottky (M-S) plots and photocurrent. The measurements of X-rays diffraction (XRD) confirms that the films are pure Cu 2 O with polycrystalline structure and (111) phase which is strong out of plane texture for Cu 2 O films with 0.0125 M CuCl 2 . The M-S plot and photocurrent measurement shows that the conduction type changes from p-type to n-type with increasing of carrier density. The optical measurements show a direct band gap depending on the concentration of CuCl 2 ." @default.
- W2768332912 created "2017-12-04" @default.
- W2768332912 creator A5058940132 @default.
- W2768332912 date "2017-08-26" @default.
- W2768332912 modified "2023-09-23" @default.
- W2768332912 title "Nanostructured cuprous oxide n-type semiconductors by electrochemical deposition for photovoltaic application" @default.
- W2768332912 hasPublicationYear "2017" @default.
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