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September 10, 2025The Journal of Physical Chemistry Letters

Facet-Engineered Highly Active and Stable Ag/TiO2 Photocatalysts for Selective Oxidative Coupling of Methane

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YWYachao WangXi'an University of Architecture and Technology YWYaxiong WeiGuangdong Pharmaceutical University GZGuofeng ZhaoChongqing University of Posts and Telecommunications

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Overview

Demonstration reveals enhanced methane oxidation selectivity at 96% using Ag-decorated TiO2 photocatalysts, indicating a novel approach to renewable energy conversion.

Key Points

C2+ production rate of 2.2 mmol g–1 h–1 was achieved with 96% selectivity, reflecting superior catalytic performance.
In situ spectroscopic characterization confirmed that Ag nanoparticles effectively mediate electron extraction and C–C coupling processes.
Dynamic Ti3+ active sites on {001} facets enhance hole trapping and charge separation while preventing uncontrolled methane activation.
The facet-mediated strategy provides insights into efficient photocatalytic systems, potentially advancing solar-driven methane upgrading.

Cite This Study

Wang et al. (2025) studied this question.

synapsesocial.com/papers/68c1d98554b1d3bfb60fb558 https://doi.org/10.1021/acs.jpclett.5c02329

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September 10, 2025The Journal of Physical Chemistry Letters

Facet-Engineered Highly Active and Stable Ag/TiO2 Photocatalysts for Selective Oxidative Coupling of Methane

View Full Paper

Ask AI

Bookmark

Authors

YWYachao WangXi'an University of Architecture and Technology YWYaxiong WeiGuangdong Pharmaceutical University GZGuofeng ZhaoChongqing University of Posts and Telecommunications

Discussion

Member takes

Overview

Demonstration reveals enhanced methane oxidation selectivity at 96% using Ag-decorated TiO2 photocatalysts, indicating a novel approach to renewable energy conversion.

Key Points

C2+ production rate of 2.2 mmol g–1 h–1 was achieved with 96% selectivity, reflecting superior catalytic performance.
In situ spectroscopic characterization confirmed that Ag nanoparticles effectively mediate electron extraction and C–C coupling processes.
Dynamic Ti3+ active sites on {001} facets enhance hole trapping and charge separation while preventing uncontrolled methane activation.
The facet-mediated strategy provides insights into efficient photocatalytic systems, potentially advancing solar-driven methane upgrading.

Cite This Study

Wang et al. (2025) studied this question.

synapsesocial.com/papers/68c1d98554b1d3bfb60fb558 https://doi.org/10.1021/acs.jpclett.5c02329

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