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Influence of TiO2's (101) crystal facet exposure on the photoelectroactivity of TiO2nanooctahedra/BiVO4nanocomposite

conference contribution
posted on 2023-06-14, 01:17 authored by F Naumi, TA Ivandini, JY Mulyana, U Pratomo, M Khalil
Abstract This work studies a research regarding the effect of exposing (101) crystal facet of anatase TiO2 to photoelectroactivity of photoanode composed of TiO2 nanooctahedra/BiVO4 nanocomposite film. Here, the photoanode was fabricated by depositing the nanocomposite on the surface of FTO via doctor blade technique. In this study, anatase TiO2 nanooctahedra were synthesized via solvothermal method in the presence of hydrazine hydrate as a directing agent. Furthermore, the as-prepared TiO2 nanooctahedra was characterized using X-Ray Diffractometer (XRD), Transmission Electron Microscopy (TEM), Brunauer-Emmelt-Tellers (BET) and UV-Vis diffuse reflectance spectra (DRS). Based on the result, the diffraction peaks revealed characteristic for the pure anatase phase with exposure (101) crystal facet. Additionally, photoelectrochemical response of the photoanode was also evaluated using a three-electrode system and exhibited a significantly high current density value of 0.26 mA/cm2.

History

Volume

902

Pagination

1-6

Location

Bali, Indonesia

Start date

2019-11-06

End date

2019-11-07

ISSN

1757-8981

eISSN

1757-899X

Language

English

Title of proceedings

Proceedings of the 4th International Symposium on Current Progress in Functional Materials 2019

Event

4th International Symposium on Current Progress in Functional Materials. (4th : 2019 : Bali, Indonesia)

Issue

1

Publisher

IOP Publishing

Place of publication

Bristol, Eng.

Series

IOP Conference Series: Materials Science and Engineering

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