Mg-modified graphitic carbon nitride/converter slag composites as an efficient photocatalyst for sugar conversion

Srikhaow, Assadawoot; Chuaicham, Chitiphon; Trakulmututa, Jirawat; Shu, Kaiqian; Sasaki, Keiko

doi:10.1039/d4se00209a

Sustainable Energy Fuels

2024

DOI: 10.1039/d4se00209a

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Mg-modified graphitic carbon nitride/converter slag composites as an efficient photocatalyst for sugar conversion

Assadawoot Srikhaow,

Chitiphon Chuaicham,

Jirawat Trakulmututa

et al.

Abstract: The development of a strategy for the resource utilisation of converter slag (CS) in the photocatalysis of biomass for high-value chemical production is essential for the application in advanced purposes...

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Cited by 2 publications

References 62 publications

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Transforming temperature effects on TiO2/iron oxide composite derived from copper slag as a photocatalyst for glucose conversion

Trakulmututa,

Chuaicham,

Srikhaow

et al. 2024

Sustainable Materials and Technologies

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Transforming temperature effects on TiO2/iron oxide composite derived from copper slag as a photocatalyst for glucose conversion

Trakulmututa,

Chuaicham,

Srikhaow

et al. 2024

Sustainable Materials and Technologies

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Exploring the Photocatalytic Efficiency of Gold Nanoparticles Deposited on Ni-Al-Zr-Layered Double Hydroxides for Selective Glucose Oxidation

Dib,

Sauvage,

Quéhon

et al. 2024

Molecules

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Confronting escalating challenges in energy security and environmental sustainability has intensified interest in renewable sources for fuels and chemicals. Among the most promising alternatives, sugars derived from biomass are emerging as a cornerstone in advancing an environmentally sustainable economy. Within this framework, the development of sunlight-driven carbohydrate oxidation is of significant interest, as it enables the production of a broad spectrum of high-value, bio-sourced chemicals through eco-friendly processes. Gold nanoparticles (Au NPs) immobilized on inorganic supports have demonstrated considerable potential in this area, although the methodology still requires further exploration. In this study, we explored the selective oxidation of glucose into the corresponding gluconic acid salt in presence of a novel Au/Ni-Al-Zr-layered double hydroxide (LDH) photocatalyst under standardized A.M. 1.5 G light illumination. To optimize the photocatalytic conditions, an experimental plan is herein proposed, highlighting the critical influences of both catalyst loading and pH. In optimal conditions, the Au catalyst demonstrated a high efficiency, achieving 87% glucose conversion and 100% selectivity towards gluconic acid in only 90 min. By means of long-pass filters to select the incident light energy to the photocatalytic reactor, we evidenced that the charge transfer processes were occurring from the Ni-Al-Zr LDH support to the gold nanoparticles, thus opening new directions towards further photocatalyst modifications. This work underlines the potential of Au/LDH materials for sunlight-driven photocatalysis and provides a pathway for the sustainable production of high-value chemicals from renewable biomass sources.

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Mg-modified graphitic carbon nitride/converter slag composites as an efficient photocatalyst for sugar conversion

Abstract: The development of a strategy for the resource utilisation of converter slag (CS) in the photocatalysis of biomass for high-value chemical production is essential for the application in advanced purposes...

Cited by 2 publications

References 62 publications

Transforming temperature effects on TiO2/iron oxide composite derived from copper slag as a photocatalyst for glucose conversion

Transforming temperature effects on TiO2/iron oxide composite derived from copper slag as a photocatalyst for glucose conversion

Exploring the Photocatalytic Efficiency of Gold Nanoparticles Deposited on Ni-Al-Zr-Layered Double Hydroxides for Selective Glucose Oxidation

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