Interface engineering enhanced g-C3N4/rGO/Pd composites synergetic localized surface plasmon resonance effect for boosting photocatalytic CO2 reduction

Wan, Yang; Liu, Qi; Xu, Zenghui; Li, Jinze; Wang, Huijie; Xu, Mengyang; Yan, Chenlong; Song, Xianghai; Liu, Xin; Wang, Huiqin; Zhou, Weiqiang; Huo, Pengwei

doi:10.1007/s42823-023-00683-0

Carbon Lett.

2024

DOI: 10.1007/s42823-023-00683-0

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Interface engineering enhanced g-C3N4/rGO/Pd composites synergetic localized surface plasmon resonance effect for boosting photocatalytic CO2 reduction

Yang Wan,

Qi Liu,

Zenghui Xu

et al.

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2024

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Hot Electrons Induced by Localized Surface Plasmon Resonance in Ag/g-C3N4 Schottky Junction for Photothermal Catalytic CO2 Reduction

Jiang,

Wang,

Liu

et al. 2024

Polymers

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Converting carbon dioxide (CO2) into high-value-added chemicals using solar energy is a promising approach to reducing carbon dioxide emissions; however, single photocatalysts suffer from quick the recombination of photogenerated electron–hole pairs and poor photoredox ability. Herein, silver (Ag) nanoparticles featuring with localized surface plasmon resonance (LSPR) are combined with g-C3N4 to form a Schottky junction for photothermal catalytic CO2 reduction. The Ag/g-C3N4 exhibits higher photocatalytic CO2 reduction activity under UV-vis light; the CH4 and CO evolution rates are 10.44 and 88.79 µmol·h−1·g−1, respectively. Enhanced photocatalytic CO2 reduction performances are attributed to efficient hot electron transfer in the Ag/g-C3N4 Schottky junction. LSPR-induced hot electrons from Ag nanoparticles improve the local reaction temperature and promote the separation and transfer of photogenerated electron–hole pairs. The charge carrier transfer route was investigated by in situ irradiated X-ray photoelectron spectroscopy (XPS). The three-dimensional finite-difference time-domain (3D-FDTD) method verified the strong electromagnetic field at the interface between Ag and g-C3N4. The photothermal catalytic CO2 reduction pathway of Ag/g-C3N4 was investigated using in situ diffuse reflectance infrared Fourier transform spectra (DRIFTS). This study examines hot electron transfer in the Ag/g-C3N4 Schottky junction and provides a feasible way to design a plasmonic metal/polymer semiconductor Schottky junction for photothermal catalytic CO2 reduction.

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Hot Electrons Induced by Localized Surface Plasmon Resonance in Ag/g-C3N4 Schottky Junction for Photothermal Catalytic CO2 Reduction

Jiang,

Wang,

Liu

et al. 2024

Polymers

View full text Add to dashboard Cite

show abstract

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Interface engineering enhanced g-C3N4/rGO/Pd composites synergetic localized surface plasmon resonance effect for boosting photocatalytic CO2 reduction

Cited by 1 publication

References 74 publications

Hot Electrons Induced by Localized Surface Plasmon Resonance in Ag/g-C3N4 Schottky Junction for Photothermal Catalytic CO2 Reduction

Hot Electrons Induced by Localized Surface Plasmon Resonance in Ag/g-C3N4 Schottky Junction for Photothermal Catalytic CO2 Reduction

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