Harnessing energetic charge carriers in plasmonic Au: towards multi-electron CO2-to-C2+ photoreduction

Key Points

Enhanced CO2-to-C2+ photoreduction efficiency results from optimized hot electron injection methods.
Key evidence includes using plasmonic Au NPs, demonstrating improved charge carrier generation.
Analysis of Au/p-type semiconductor heterojunctions shows promise for effective hot hole extraction processes.
Future directions focus on developing size-controlled nanostructures and enhancing surface engineering techniques.

Abstract

• A comparison of energetic charge carriers generation via IIT vs. LNRD for driving multi-electron CO 2 –C 2+ reduction. • In-depth discussion of constructing Au/p-type semiconductor heterojunctions for effective hot hole extraction in IIT pathway. • Spectral regulation of Au NPs to steer LNRD pathway toward intraband excitaion and improve hot electron injection efficiency. • Future directions: size-controlled anisotropic nanostructures, dual heterojunctions, interface and surface engineering.

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Cite This Study

Li et al. (Fri,) studied this question.

synapsesocial.com/papers/69a75f07c6e9836116a2a203 https://doi.org/https://doi.org/10.1016/j.jmat.2026.101181

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