异质结
材料科学
光催化
表面等离子共振
纳米技术
半导体
光电子学
纳米颗粒
等离子体子
催化作用
化学
生物化学
作者
Bo Ma,Qian Xu,H. H. Yao,Yalin Chen,Sheng Wang,Y. Yang,Hongfang Shen,Youjun Lu
标识
DOI:10.1016/j.jphotochem.2023.115100
摘要
As a promising strategy, Localized surface plasmon resonance (LSPR) is applied to improve the efficiency of metal–semiconductor photocatalysts. However, current research have focused on maximizing the LSPR effect in a single structure, rather than the simultaneous consideration of the synergy between integrated structural characteristics and LSPR effect. Here we designed an integrated structure of Cu2O@Au/Cu2O heterostructure particles (HPs), which were provided with both the core–shell heterostructure (Cu2O@Au) and the inter-embedded heterostructure (Au/Cu2O). Cu2O@Au/Cu2O HPs showed much enhanced photocatalytic performance than pure Cu2O and other heterostructures with single structural characteristics. Experimental characterization and theoretical simulation confirm that the integrated heterostructure follows the three-in-one synergy, which include the LSPR effect of Au nanoparticles, the light scattering based on core–shell heterostructure, and the effective charge separation based on inter-embedded heterostructure. The concept of integrated heterostructure cooperated with LSPR effect provides a new strategy to design future catalysts.
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