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Fabrication of Cu2O nanostructured thin film by anodizing

Identyfikatory
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Cuprous oxide, a narrow bandgap p-type semiconductor, has been known as a potential material for applications in supercapacitors, hydrogen production, sensors, and energy conversion due to its properties such as non-toxicity, easy availability, cost effectiveness, high absorption coefficient in the visible region and large minority carriers diffusion length. In this study, Cu2O nanostructured thin film was fabricated by anodizing of Cu plates in ethylene glycol containing 0.15 M KOH, 0.1 M NH4F and 3 wt.% deionized water. The effects of anodizing voltage and temperature of electrolyte were investigated and reported. It was found that nanoporous Cu2O thin film was formed when anodizing voltages of 50 V and 70 V were used while a dense Cu2O thin film was formed due to the aggregation of smaller nanoparticles when 30 V anodizing voltage was used. Nanoplatelets thin film was formed when the temperature of electrolyte was reduced to 15 °C and 5 °C. X-ray diffraction confirmed the presence of Cu2O phase in thin film formed during anodizing of Cu plates, regardless of the anodizing voltage and temperature of electrolyte. Photoluminescence spectroscopy showed the presence of Cu2O peak at 630 nm corresponding to band gap of 1.97 eV. A mechanism of the formation of Cu2O thin film was proposed. This study reported the ease of tailoring Cu2O nanostructures of different morphologies using anodizing that may help widen the applications of this material.
Słowa kluczowe
Wydawca
Rocznik
Strony
209--216
Opis fizyczny
Bibliogr. 30 poz., rys.
Twórcy
autor
  • Institute of Nano Electronic Engineering (INEE), Universiti Malaysia Perlis, 01000, Kangar, Perlis, Malaysia
autor
  • School of Materials Engineering, Universiti Malaysia Perlis, Jejawi, 02600 Arau, Perlis, Malaysia
  • Institute of Nano Electronic Engineering (INEE), Universiti Malaysia Perlis, 01000, Kangar, Perlis, Malaysia
  • School of Bioprocess Engineering, Universiti Malaysia Perlis, 02600 Arau, Perlis, Malaysia
autor
  • Nanotechnology and Catalysis Research Center (NANOCAT), University of Malaya, 50603 Kuala Lumpur, Malaysia
  • Physics Department, Faculty of Science, University of Sidi-Bel-Abbes, 22000, Algeria
autor
  • Institute of Nano Electronic Engineering (INEE), Universiti Malaysia Perlis, 01000, Kangar, Perlis, Malaysia
  • Institute of Nano Electronic Engineering (INEE), Universiti Malaysia Perlis, 01000, Kangar, Perlis, Malaysia
autor
  • Malaysian Agricultural Research And Development Institute, Serdang 43400, Malaysia
  • Institute of Nano Electronic Engineering (INEE), Universiti Malaysia Perlis, 01000, Kangar, Perlis, Malaysia
autor
  • Institute of Nano Electronic Engineering (INEE), Universiti Malaysia Perlis, 01000, Kangar, Perlis, Malaysia
  • Institute of Nano Electronic Engineering (INEE), Universiti Malaysia Perlis, 01000, Kangar, Perlis, Malaysia
Bibliografia
  • [1] DONG X., WANG K., ZHAO C., QIAN X., CHEN S., LI Z., LIU H., DOU S., J. Alloy. Compd., 586 (2014), 745.
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  • [5] LUO J., STEIER L., SON M.-K., SCHREIER M., MAYER M.T., GRATZEL M., Nano Lett., 16 (2016), 1848.
  • [6] WANG Q., JIA Y., WANG M., QI W., PANG Y., CUI X., JI W., YI J., J. Phys. Chem. C., 119 (2015), 22066.
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  • [10] KHAN R., AHMAD R., RAI P., JANG L.-W., YUN J.-H., YU Y.-T., HAHN Y.-B., LEE I.-H., Sensor. Actuat. B-Chem., 203 (2014), 471.
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  • [13] SHU X., ZHENG H., XU G., ZHAO J., CUI L., CUI J., QIN Y., WANG Y., ZHANG Y., WU Y., Appl. Surf. Sci., 412 (2017), 505.
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  • [16] VOON C.H., DERMAN M.N., HASHIM U., AHMAD K.R., HO L.N., J. Exp. Nanosci., 9 (2014), 106.
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  • [18] VOON C.H., DERMAN M.N., HASHIM U., FOO K.L., ADAM T., Adv. Mat. Res., 832 (2014), 101.
  • [19] VOON C.H., DERMAN M.N., HASHIM U., J. Nanomater., 2012 (2012), 8.
  • [20] LEE S.-L., HO L.-N., ONG S.-A., WONG Y.-S., VOON C.-H., KHALIK W.F., YUSOFF N.A., NORDIN N., Chemosphere., 166 (2017), 118.
  • [21] LEE S.-L., HO L.-N., ONG S.-A., WONG Y.-S., VOON C.-H., KHALIK W.F., YUSOFF N.A., NORDIN N., J. Clean. Prod., 127 (2016), 579.
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  • [23] WU L., WEN C., ZHANG G., LIU J., MA K., Vacuum., 140 (2017), 176.
  • [24] VOON C.H., DERMAN M.N., HASHIM U., AHMAD K.R., FOO K.L., J. Nanomater., 2013 (2013), 8.
  • [25] WANG C., XU J., SHI S., ZHANG Y., LIU Z., ZHANG X., YIN S., LI L., RSC Adv., 6 (2016), 4422.
  • [26] YANG D.-J., KIM H.-G., CHO S.-J., CHOI W.-Y., Mater. Lett., 62 (2008), 775.
  • [27] SU Z., ZHOU W., JIANG F., HONG M., J. Mater. Chem., 22 (2012), 535.
  • [28] ROZANA M., SOAID N.I., KAWAMURA G., KIAN T.W., MATSUDA A., LOCKMAN Z., AIP Conf. Proc., 1733 (2016), 020024.
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Uwagi
Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-d1bf7bf0-49b2-447d-b085-4056ad7028f4
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