Localized surface plasmon resonance-enhanced MIL-100-Fe-MoO<sub>3</sub> for visible-light-driven CO<sub>2</sub> reduction

摘要: 以MIL-100-Fe为载体, 通过液相灌注法在其孔道中原位生长MoO3纳米颗粒, 构筑了可见光响应的MIL-100-Fe-MoO3复合光催化剂. 孔道限域诱导的氧空位显著增强了MoO3的局域表面等离子体共振(LSPR)效应. 原位X射线光电子能谱(XPS)证实, LSPR激发产生的电子可经复合界面注入MIL-100-Fe的金属节点. 稳态与瞬态荧光分析表明, 复合界面不仅可以抑制载流子复合, 还可以加速电子在两相间的迁移速率. 受益于增强的LSPR效应与界面协同作用, MIL-100-Fe-MoO3-25%在可见光照射下实现了92 μmol·g⁻¹·h⁻¹的CO产率, 并表现出优异的循环稳定性. 本研究揭示了MOF限域作用对纳米氧化物LSPR效应及载流子动力学的调控机制, 为高效可见光CO2还原催化剂的设计提供了新思路.

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Publication Details

Journal
Scientia Sinica Chimica
Published
2025-12-05
DOI
https://doi.org/10.1360/ssc-2025-0279
Primary Topic
Catalytic Processes in Materials Science
Type
article
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article

Localized surface plasmon resonance-enhanced MIL-100-Fe-MoO3 for visible-light-driven CO2 reduction

Zhuo Jiang, Yin Liu
Scientia Sinica Chimica
Catalytic Processes in Materials Science
article

Localized surface plasmon resonance-enhanced MIL-100-Fe-MoO3 for visible-light-driven CO2 reduction

Zhuo Jiang, Yin Liu
article en

Abstract

摘要: 以MIL-100-Fe为载体, 通过液相灌注法在其孔道中原位生长MoO3纳米颗粒, 构筑了可见光响应的MIL-100-Fe-MoO3复合光催化剂. 孔道限域诱导的氧空位显著增强了MoO3的局域表面等离子体共振(LSPR)效应. 原位X射线光电子能谱(XPS)证实, LSPR激发产生的电子可经复合界面注入MIL-100-Fe的金属节点. 稳态与瞬态荧光分析表明, 复合界面不仅可以抑制载流子复合, 还可以加速电子在两相间的迁移速率. 受益于增强的LSPR效应与界面协同作用, MIL-100-Fe-MoO3-25%在可见光照射下实现了92 μmol·g⁻¹·h⁻¹的CO产率, 并表现出优异的循环稳定性. 本研究揭示了MOF限域作用对纳米氧化物LSPR效应及载流子动力学的调控机制, 为高效可见光CO2还原催化剂的设计提供了新思路.

Scientia Sinica ChimicaVol. 56(2)
Openalex Percentile: Top 68%
Catalytic Processes in Materials Science
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Localized surface plasmon resonance-enhanced MIL-100-Fe-MoO<sub>3</sub> for visible-light-driven CO<sub>2</sub> reduction — Zhuo Jiang, Yin Liu · Scientia Sinica Chimica (2025) | TGRS Research Map | TGRS