Devi Indrawati Syafei, Setia Budi, Mutiah Arum, Yusmaniar
In this paper, the photocatalytic responses of thin film Cu2O are reported terms of photocurrent and photodegradation performance. Cu2O was synthesised using an electrodeposition technique with different deposition times. The morphological and elemental analysis of Cu2O growth were performed using a field-emission scanning electron microscope and an energy dispersive X-ray spectrometer, respectively. The photoelectrochemical response, which were determined using a linear sweep voltammetry technique, showed that the onset of the initial current photocurrent was at a lower potential and the photocurrent density of the deposit was higher with longer deposition times. A high photocurrent of 15.3 mA.cm-2 at a potential of 0.794 V was obtained from Cu2O prepared with 120 minutes of deposition. The catalytic impact of Cu2O on methylene blue photodegradation was highest, with degradation of 42.73%, at a deposition time of 120 minutes. © 2022 Author(s).
Pusat Inovasi Sains, Jakarta Timur, 13120, Indonesia; Department of Chemistry, Faculty of Mathematics and Sciences, Universitas Negeri Jakarta, Jl. Rawamangun Muka, Jakarta, 13220, Indonesia
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