Abstract
The Biomass photoreforming is emerging as an alternative and promising technology to simultaneously produce value-added chemicals and solar fuels. However, photoreforming of the biomass macromolecular remains a great challenge due to the lack of bifunctional photocatalyst and insight of detailed mechanism. Herein, we design the Ni2P onto the two-dimension Zn0.3Cd0.7S (Ni2P/ZCS) as the electron migration layer to realize the spatial separation of photogenerated carrier, which facilitates the depth investigation on the redox reaction. As a result, the Ni2P/ZCS exhibited dually catalytic performance (9.16 mmol g−1h−1 of H2 generation along with 1.48 mmol g−1h−1 of lactic acid production) from cellulose photoreforming. Systematic experiments and density functional theory (DFT) were performed to reveal the bifunctionality and detailed mechanism. This work demonstrates a well concept on biomass photoreforming with the rational design of bifunctional photocatalysts.
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