Efficient photoactivated hydrogen evolution promoted by CuxO–gCN–TiO2–Au (x = 1,2) nanoarchitectures

Benedet, Mattia; Rizzi, Gian Andrea; Gasparotto, Alberto; Zeng, Lunjie; Pagot, Gioele; Olsson, Eva; Di Noto, Vito; Maccato, Chiara; Barreca, Davide

doi:10.1039/d4ra00773e

RSC Adv.

2024

DOI: 10.1039/d4ra00773e

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Efficient photoactivated hydrogen evolution promoted by Cu_xO–gCN–TiO₂–Au (x = 1,2) nanoarchitectures

Mattia Benedet,

Gian Andrea Rizzi,

Alberto Gasparotto

et al.

Abstract: Attractive performances in photoassisted hydrogen evolution via water splitting are featured by green CuxO–gCN–TiO2–Au nanoarchitectures, of key interest for the eventual sustainable production of solar fuels.

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Graphitic Carbon Nitride as a Promising Visible‐Light‐Activated Support Boosting Platinum Nanoparticle Activity in Ethanol Electrooxidation

Brugia,

Benedet,

Rizzi

et al. 2024

ChemSusChem

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In the present work, exfoliated graphitic carbon nitride (g‐CN) is immobilized on carbon paper substrates by a simple electrophoretic route, and subsequently decorated with ultra‐low amounts (≈μg/cm2) of Pt nanoparticles (NPs) by cold plasma sputtering. Optimization of preparative conditions allowed a fine tuning of Pt NPs size, loading and distribution and thus a controlled tailoring of g‐CN/Pt interfacial interactions. Modulation of such features yielded g‐CN‐Pt‐based anode materials with appealing activity and stability towards the ethanol oxidation reaction (EOR) in alkaline aqueous solutions, as revealed by electrochemical tests both in the dark and under irradiation. The present results provide new insights on the design of nano‐engineered heterocomposites featuring improved performances thanks to Pt coupling with g‐CN, a low‐cost and environmentally friendly visible light‐active semiconductor. Overall, this work might open attractive avenues for the generation of green hydrogen via aqueous ethanol electrolysis and the photo‐promoted alcohol electrooxidation in fuel cells.

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Graphitic Carbon Nitride as a Promising Visible‐Light‐Activated Support Boosting Platinum Nanoparticle Activity in Ethanol Electrooxidation

Brugia,

Benedet,

Rizzi

et al. 2024

ChemSusChem

View full text Add to dashboard Cite

show abstract

In-situ Growth of CuO Nanoflakes on Graphitic Carbon Nitride Sheets: An Electro‐active Interface for Electrocatalytic Oxidation and Detection of Riboflavin in Food and Nutritional Supplements

Singh,

Yadav,

Singh

et al. 2024

Nano-Structures & Nano-Objects

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Self-catalysed breakdown of titanate nanotubes by graphitic carbon nitride resulting in enhanced hydrogen production

Liu,

Zhao,

Cheng

et al. 2025

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Efficient photoactivated hydrogen evolution promoted by Cu_xO–gCN–TiO₂–Au (x = 1,2) nanoarchitectures

Abstract: Attractive performances in photoassisted hydrogen evolution via water splitting are featured by green CuxO–gCN–TiO2–Au nanoarchitectures, of key interest for the eventual sustainable production of solar fuels.

Cited by 5 publications

References 53 publications

Graphitic Carbon Nitride as a Promising Visible‐Light‐Activated Support Boosting Platinum Nanoparticle Activity in Ethanol Electrooxidation

Graphitic Carbon Nitride as a Promising Visible‐Light‐Activated Support Boosting Platinum Nanoparticle Activity in Ethanol Electrooxidation

In-situ Growth of CuO Nanoflakes on Graphitic Carbon Nitride Sheets: An Electro‐active Interface for Electrocatalytic Oxidation and Detection of Riboflavin in Food and Nutritional Supplements

Self-catalysed breakdown of titanate nanotubes by graphitic carbon nitride resulting in enhanced hydrogen production

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