Malkeshkumar Patel

aPhotoelectric and Energy Device Application Lab (PEDAL), Multidisciplinary bộ vi xử lý core Institute for Future Energies (MCIFE), Incheon National University, 119 Academy Rd. Yeonsu, Incheon 22012, Republic of Korea

bDepartment of Electrical Engineering, Incheon National University, 119 Academy Rd. Yeonsu, Incheon 22012, Republic of Korea


Joondong Kim

aPhotoelectric & Energy Device Application Lab (PEDAL), Multidisciplinary chip core Institute for Future Energies (MCIFE), Incheon National University, 119 Academy Rd. Yeonsu, Incheon 22012, Republic of Korea

bDepartment of Electrical Engineering, Incheon National University, 119 Academy Rd. Yeonsu, Incheon 22012, Republic of Korea


aPhotoelectric and Energy Device Application Lab (PEDAL), Multidisciplinary core Institute for Future Energies (MCIFE), Incheon National University, 119 Academy Rd. Yeonsu, Incheon 22012, Republic of Korea
bDepartment of Electrical Engineering, Incheon National University, 119 Academy Rd. Yeonsu, Incheon 22012, Republic of Korea
This is an mở cửa access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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The data presented in this article are related to lớn the research article entitled “CuO photocathode-embedded semitransparent photoelectrochemical cell” (Patel et al., 2016) <1>. This article describes the growth of Cu oxides films using reactive sputtering & application of CuO photocathode in semitransparent photoelectrochemical cell (PEC). In this data article, physical, optical & electrical properties, and PEC performances data set of the reactively sputtered semitransparent CuO samples are made publicly available lớn enable extended analyses.


Subject areaMaterials Engineering, Physics, Electrochemistry
More specific subject areaSolar Energy
Type of dataFigures, Table
How data was acquiredField emission scanning electron microscope (FESEM; JSM-7800F, JEOL Ltd., Tokyo, Japan) Surface profiler (Dektak XT-E, Veeco, Plainview, New York)
UV-visible spectrophotometer (UV-2600, Shimadzu Corporation, Seoul, South Korea),
Potentiostat/Galvanostat (ZIVE SP1, WonA Tech, Korea)
PEC cells (Copper oxide-coated FTO, Ag/AgCl, and platinum gauze were connected lớn the working, reference, & counter electrodes of the PG-stat, respectively, Aqueous 0.1 M NaOH solution was used as electrolyte)
Data formatAnalyzed
Experimental factorsPrepared CuO samples were treated under rapid thermal processing khổng lồ observe the morphologies before & after air annealing
Surface profiler: liên hệ mode, scanning length 2 mm, & force 5 mg.
Optical Reflectance: CuO photocathode on glass substrate
Mott–Schottky: Frequency500 Hz lớn 5 kHz
Bias range0.4 V to lớn − 0.6 V vs. Ag/AgCl
Experimental featuresPhase and stoichiometry tunable growth of CuO samples using the reactive sputtering of Cu target, và application in semitransparent photocathode
Data source locationIncheon National University, Incheon-406772, Korea
Data accessibilityThe data are with this article

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Value of the data



Performance comparisons of semitransparent CuO photocathode khổng lồ other Cu oxides (CuOx) based materials. This comparison includes photoelectrochemical (PEC) cell measurement & performance parameters, such as band gaps of CuO materials, types of the electrolyte, light sources, photocurrent density, and methods of CuO fabrication. Readers can easily summarize the progress of CuO PEC cells.

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Approaches to lớn modulate the morphologies of CuOx films. A simple and powerful reactive sputtering method can be applied khổng lồ tune the CuOx films. The surface morphology of various Cu oxides was obtained by changing the oxygen flow rate during the sputtering process.