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Unveiling the Dynamic Electronic Structure of CuZn Catalysts for Solar-Driven CO2 Reduction
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DOI：10.1016/j.apcatb.2026.126897.png)
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Abstract
En 中文
• The dynamic electronic structure evolution of CuZn alloy during photoelectrochemical CO2 reduction is unveiled, demonstrating the real-time Cu0 stabilization by Zn under reaction conditions. • Structure‐activity relationships are established for rational alloy design in photoelectrochemical (PEC) systems, identifying Cu88Zn12 as the optimal composition for suppressing HER while enhancing C–O bond activation. • Photoelectrochemical CO2‐to‐CH4 conversion is governed by a plasmon- assisted dual‐electron mechanism, where LSPR hot electrons from Cu nanoparticles synergize with photoexcited carriers from black silicon substrate.
Keywords:
CuZn alloy
photoelectrochemical CO2 reduction
plasmon-assisted mechanism
electronic structure evolution
C–O bond activation
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