Eur. Phys. J. Appl. Phys.
Volume 93, Number 2, February 2021
|Number of page(s)||9|
|Published online||02 March 2021|
Enhanced photoelectrochemical performance of TiO2 nanofiber arrays decorated with CdS nanoparticles via SILAR method
Laboratory of Nanomaterials and Renewable Energy Systems, Research and Technology Center of Energy, Borj-Cedria Science and Technology Park, BP 95, Hammam-Lif 2050, Tunisia
2 UNESCO-UNISA Africa Chair in Nanosciences-Nanotechnology, College of Graduate Studies, University of South Africa, Muckleneuk Ridge, PO Box 392, Pretoria, South Africa
3 Nanosciences African Network (NANOAFNET), iThemba LABS-National Research Foundation, 1 Old Faure Road, Somerset West 7129, PO Box 722, Somerset West, Western Cape Province, South Africa
* e-mail: email@example.com
Accepted: 7 January 2021
Published online: 2 March 2021
In this paper, we report the photoelectrochemical performances of CdS nanoparticles (NPs) decorated TiO2 photoanodes. The TiO2 nanofiber arrays (NFAs) were fabricated into Titanium substrate by a hydrothermal method. Afterwards, the deposited TiO2 NFAs were decorated with CdS NPs by employing a successive ionic layer adsorption and reaction (SILAR) method. The obtained samples of CdS covered and uncovered TiO2 NFAs were characterized by X-ray diffraction, Scanning Electron Microscopy and UV-visible Diffuse Reflectance Spectroscopy. The size of the CdS nanoparticles increases with the number of SILAR cycles and leads to an additional broad absorption peak in the visible part of the spectrum. Consequently, the photo-electrochemical performance of the CdS decorated TiO2 was enhanced substantially resulting in a better electron-hole separation and transport. This enhancement has been discussed and assigned to a better sun light harvesting and an efficient charge transfer between the CdS nanoparticles and the TiO2 NFAs.
© EDP Sciences, 2021
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.