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Enhanced Photoelectrochemical Performance of Fe2O3/ZnO Nanocomposite Film
Yudyanto1,2, Putri Nur Aini1, Suriati Sufian3, M. Tommy Hasan Abadi1, Siti Maryam1, Robi Kurniawan1,2, Nandang Mufti1,2,*

UM


Abstract

Fe2O3/ZnO heterojunction has attracted great attention due to the possibility of overcoming the limitation of a single layer of semiconductor electrodes which has a very low Photoelectrochemical (PEC) cell efficiency. It is due to the fact that a combination of Fe2O3 and ZnO can effectively increase the separation of electrons and holes, thus improve the photocatalytic activity of PEC cells based on the structural coordinates of their energy levels. The aim of this study is to investigate the effect of Fe2O3, ZnO and Fe2O3/ZnO films to PEC efficiency. The Fe2O3, ZnO and Fe2O3/ZnO films were fabricated by a spin coating and doctor blade methods, respectively. All the films were characterized by XRD, SEM, and Cyclic Voltammetry (CV). Based on structural results, Fe2O3 and ZnO nanoparticles can grow well on ITO substrate and they exhibit trigonal and hexagonal crystal structures, respectively. Moreover, we found that the PEC efficiency increases after ZnO are coated on Fe2O3 film.

Keywords: photoelectrochemical, photoanode, heterojunction, Fe2O3, ZnO, efficiency

Topic: Smart materials

Link: https://ifory.id/abstract/468GgJMWkebL

Conference: International Conference on Renewable Energy (ICORE 2019)

Plain Format | Corresponding Author (nandang mufti)

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