Nanostructured CuO with a thin g-C3N4 layer as a highly efficient photocathode for solar water splitting

Hyojung Bae; Vishal Burungale; Wonkyeong Na; Hokyun Rho; Soon Hyung Kang; Sang-Wan Ryu; Jun-Seok Ha

doi:10.1039/D1RA02193A

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Nanostructured CuO with a thin g-C₃N₄ layer as a highly efficient photocathode for solar water splitting†

Hyojung Bae,^ab Vishal Burungale,^b Wonkyeong Na,^b Hokyun Rho,^c Soon Hyung Kang,^a Sang-Wan Ryu

^a and Jun-Seok Ha

*^abc

Author affiliations

* Corresponding authors

^a Optoelectronics Convergence Research Center, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Korea
E-mail: jsha@jnu.ac.kr

^b School of Chemical Engineering, Chonnam National University, 77 Yongbong-ro, Gwangju 61186, Korea

^c Energy Convergence Core Facility, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea

Abstract

A g-C₃N₄/CuO nanostructure featuring improved photoelectrochemical properties was successfully prepared using a facile and cost-effective method involving electrodeposition and thermal oxidation. The improved photoelectrochemical properties were mainly ascribed to the increased surface area and improved charge transportation of the g-C₃N₄/CuO photocathode. This photocathode can be used in novel strategies for resolving problems associated with low-efficiency CuO photocathodes.

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Article information

DOI: https://doi.org/10.1039/D1RA02193A
Article type: Paper
Submitted: 19 Mar 2021
Accepted: 24 Apr 2021
First published: 30 Apr 2021
This article is Open Access

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RSC Adv., 2021,11, 16083-16089

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Nanostructured CuO with a thin g-C₃N₄ layer as a highly efficient photocathode for solar water splitting

H. Bae, V. Burungale, W. Na, H. Rho, S. H. Kang, S. Ryu and J. Ha, RSC Adv., 2021, 11, 16083 DOI: 10.1039/D1RA02193A

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