What question did this study set out to answer?

This study aims to explore how the size of gold nanoparticles affects photocatalytic methane coupling on TiO2.

March 8, 2026Chemical Communications

Face-Rich Au Nanoparticles Govern the Size Dependence of Photocatalytic Methane Coupling on TiO ₂

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This study aims to explore how the size of gold nanoparticles affects photocatalytic methane coupling on TiO2.
Synthesis of Au/TiO2 photocatalysts with varying Au nanoparticle sizes.
Conducting photocatalytic experiments to measure methane coupling rates.
Employing structural and spectroscopic analyses for characterization.
Achieved a maximum methane coupling rate of 14.9 mmol g−1 h−1.
Observed a selectivity of 89.1% near Au sizes of 7.8 nm.
Found a rise-to-plateau trend in activity depending on nanoparticle size.

Implication

This research demonstrates size-dependent photocatalytic methane coupling in TiO2 with implications for energy conversion.

Abstract

Au/TiO 2 photocatalysts with controlled Au sizes show a rise-to-plateau dependence in photocatalytic methane coupling, reaching 14.9 mmol g −1 h −1 C 2 + at 89.1% selectivity near 7.8 nm. Structural and spectroscopic analyses...

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Cite This Study

Lu et al. (2026) studied this question.

synapsesocial.com/papers/69ada8c2bc08abd80d5bc0a5 https://doi.org/10.1039/d6cc00574h

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Implication

This research demonstrates size-dependent photocatalytic methane coupling in TiO2 with implications for energy conversion.

Face-Rich Au Nanoparticles Govern the Size Dependence of Photocatalytic Methane Coupling on TiO ₂

Key Points

Implication

Abstract

Discussion

Cite This Study

Face-Rich Au Nanoparticles Govern the Size Dependence of Photocatalytic Methane Coupling on TiO ₂

Key Points

Implication

Abstract

Discussion

Cite This Study

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