Construction of ZnO-Nanoflowers Photoanode for Photoelectrochemical Cell

ZnO-nanoflowers on a transparent conductive tin-doped In2O3 (ITO) glass substrate have been successfully prepared via a simple and efficient growth approach that is combining of dip coating and hydrothermal processes. One thin layer of ZnO nanoparticles is prepared by dip coating method followed by...

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Bibliographic Details
Published in:Journal of physics. Conference series 2019-07, Vol.1234 (1), p.12056
Main Authors: Mebdir Holi, Araa, Kadim Ayal, Asmaa, Ali Baqer, Anwar
Format: Article
Language:English
Subjects:
Glass substrates
Holes (electron deficiencies)
Immersion coating
Indium oxides
Indium tin oxides
Low temperature
Morphology
Nanoparticles
Photoanodes
Photoelectric effect
Photoelectric emission
Photoelectrochemical devices
Photoluminescence
Photovoltaic cells
Physics
Solar energy
Tin
Zinc oxide
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Summary:ZnO-nanoflowers on a transparent conductive tin-doped In2O3 (ITO) glass substrate have been successfully prepared via a simple and efficient growth approach that is combining of dip coating and hydrothermal processes. One thin layer of ZnO nanoparticles is prepared by dip coating method followed by hydrothermally grown of ZnO nanoflowers at low temperature. The morphology and structure of ZnO-nanoflowers were inspected by field-emission scanning electron microscopy (FE-SEM) and X-ray diffraction (XRD), respectively. The optical absorption and photoluminescence spectra of ZnO-nanoflowers are also investigated. The ZnO-nanoflowers photoanode shows dramatically contributed to the separation of electron-hole pairs and enhanced the photoresponse. The photocurrent density is 0.44 mA/cm2 indicated that the PEC cells based on ZnO-nanoflowers photoanode have promising application potential in overall solar energy.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1234/1/012056