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Tunning of Templated CuWO4 Nanorods Arrays Thickness to Improve Photoanode Water Splitting



Author(s): Nasori, N (Nasori, Nasori); Cao, DW (Cao, Dawei); Wang, ZJ (Wang, Zhijie); Farahdina, U (Farahdina, Ulya); Rubiyanto, A (Rubiyanto, Agus); Lei, Y (Lei, Yong)

Source: MOLECULES Volume: 26 Issue: 10 Article Number: 2900 DOI: 10.3390/molecules26102900 Published: MAY 2021

Abstract: The fabrication of the photoanode of the n-type CuWO4 nanorod arrays was successfully carried out through electrochemical deposition using anodic aluminum oxide (AAO) control templates and for the first time produced distinct gaps between the nanorod arrays. The effectiveness and efficiency of the resulting deposition was shown by the performance of the photoelectrochemical (PEC) procedure with a current density of 1.02 mA cm(-2) with irradiation using standard AM 1.5G solar simulator and electron changed radiation of 0.72% with a bias potential of 0.71 V (vs. Ag/AgCl). The gap between each nanorod indicated an optimization of the electrolyte penetration on the interface, which resulted in the expansion of the current density as much as 0.5 x 10(24) cm(-3) with a flat band potential of 0.14 V vs. Ag/AgCl and also a peak quantum efficiency of wavelength 410 nm. Thus, also indicating the gaps between the nanorod arrays is a promising structure to optimize the performance of the PEC water splitting procedure as a sustainable energy source.

Accession Number: WOS:000655203900001

PubMed ID: 34068326

Author Identifiers:

Author        Web of Science ResearcherID        ORCID Number

Nasori, Nasori                  0000-0002-9293-530X

eISSN: 1420-3049

Full Text:


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