Dual Heterojunction Engineering on TiO2 for Spatial Active-Site Decoupling toward Efficient Photocatalytic Methane Coupling
Abstract
Dual heterojunction engineering on TiO2 enables the spatial decoupling of active sites, where holes mediate C-H activation and electrons drive O2 activation. This synergistic strategy achieves a remarkable C₂ hydrocarbon production rate of 1.7 mmol g⁻¹ h⁻¹ with 83% selectivity and remarkable 45-hour stability in the photocatalytic oxidative coupling of methane.
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