Nature research paper: Solar-to-hydrogen efficiency of more than 9% in photocatalytic water splitting
, Thermodynamic parameters of the reaction system without and with a heat-insulating layer. The heat-insulating layer consisted of ordinary A4 printing paper. The wall thickness of the Prexy chamber was approximately 0.3 cm., Synergetic effect mechanism of promoting forward hydrogen–oxygen evolution and inhibiting the reverse hydrogen–oxygen recombination in the photocatalytic OWS.
In this mechanism, the infrared light indirectly, but substantially improved the utilization efficiency of UV-vis light by enhancing the surface catalytic hydrogen/oxygen production, which finally contributed to the maximizing of STH. A thermal transfer balance existed in our system during photocatalytic reaction, which was influenced by the thermal conductivity coefficients of materials used in the reaction system.
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