ZnO/Chalcogenides Semiconductor Heterostructures for Photoelectrochemical Water Splitting

Исаев, А. Б.; Shabanov, N. S.; Sobola, Dinara; Kaviyarasu, K.; Ismailov, A. M.; Omarov, G. M.

doi:10.1007/978-981-19-2639-6_1

Cited by 4 publications

(1 citation statement)

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“…NiO acts as a water oxidation cocatalyst, suppressing the recombination of induced electron and hole pairs, resulting in increased catalytic activity in the system [25]. ZnO generally has n-type conductivity, and the difficulty in preparing p-type to form stable p-n junctions limits its commercial application [26,27]. The nanocomposite demonstrated a superior current density of 10 mA/cm 2 at a reduced working potential of 365 mV vs RHE.…”

Section: Introductionmentioning

confidence: 99%

An Advanced Quaternary Composite for Efficient Water Splitting

et al. 2023

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Electrochemical water splitting is a promising pathway for effective hydrogen (H2) evolution in energy conversion and storage, with electrocatalysis playing a key role. Developing efficient, cost-effective and stable catalysts or electrocatalysts is critical for hydrogen evolution from water splitting. Herein, we evaluated a graphene-modified nanoparticle catalyst for hydrogen evolution reaction (HER). The electrocatalytic H2 production rate of reduced graphene oxide-titanium oxide-nickel oxide-zinc oxide (rGO–TiO2–NiO–ZnO) is high and exceeds that obtained on components alone. This improvement is due to the presence of rGO as an electron collector and transporter. Moreover, a current density of 10 mA/cm2 was recorded at a reduced working potential of 365 mV for the nanocomposite. The electronic coupling effect between the nanoparticle components at the interface causes the nanoparticle's hydrogen evolution reaction catalytic activity. Graphical Abstract

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Section: Introductionmentioning

confidence: 99%