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 a remarkable 45-hour stability in the photocatalytic oxidative coupling of methane.

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