Enhancing the activity of Pd/Zn–Al–O catalysts for esterification of CO to dimethyl oxalate <i>via</i> increasing oxygen defects by tuning the Zn/Al ratio

Zhang, Zi-Qun; Lin, Xiao-Qi; Jiang, Haiyong; Yang, Zhihui; Xu, Yu-Ping; Sun, Jing; Xu, Zhusheng

doi:10.1039/d2cy00369d

Catal. Sci. Technol.

2022

DOI: 10.1039/d2cy00369d

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Enhancing the activity of Pd/Zn–Al–O catalysts for esterification of CO to dimethyl oxalate via increasing oxygen defects by tuning the Zn/Al ratio

Zi-Qun Zhang

Xiao-Qi Lin

Haiyong Jiang

et al.

Abstract: Pd-based heterogeneous catalysts possess excellent activity for CO direct esterification to dimethyl oxalate (DMO), and lots of investigations have been conducted on the active component Pd. Nevertheless, there are few...

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A Derivative of ZnIn₂S₄ Nanosheet Supported Pd Boosts Selective CO₂ Hydrogenation

Wang

Zhu

et al. 2023

Adv Funct Materials

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CO2 hydrogenation to value‐added chemicals has been considered as a promising way to reduce CO2 emission and alleviate energy crisis. However, the high‐efficiency CO2 hydrogenation process is driven by the current drawbacks of low activity and/or selectivity. Herein, it is demonstrated that 2D S‐doped ZnInOx, which evolves from the calcination of ZnIn2S4 nanosheets (ZIS NSs), can serve as a functional support for Pd nanoparticles (NPs) to promote the selective CO2 hydrogenation to CH3OH. Detailed investigations show that ZnIn2S4 will evolve into In2O3 and amorphous S‐doped ZnO, on which Pd NPs are preferentially located due to the strong electrophilicity of S. Consequently, the strong interaction between Pd NPs and amorphous S‐doped ZnO prevents Pd NPs from sintering and facilitates the selective CO2 hydrogenation to produce CH3OH. The optimal catalyst shows a CO2 conversion of 12.7% with a CH3OH selectivity of 87.4% at 280 °C. This study provides a facile route to regulate catalytic supports and controllably load active species, which may attract great research interests in the fields of heterogeneous catalysis.

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A Derivative of ZnIn₂S₄ Nanosheet Supported Pd Boosts Selective CO₂ Hydrogenation

Wang

Zhu

et al. 2023

Adv Funct Materials

View full text Add to dashboard Cite

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Oxidative coupling of carbon monoxide to dimethyl oxalate: catalysts design, reaction mechanism and process intensification

Wang,

Li,

Yuan

et al. 2024

Catalysis Reviews

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Enhancing the activity of Pd/Zn–Al–O catalysts for esterification of CO to dimethyl oxalate via increasing oxygen defects by tuning the Zn/Al ratio

Abstract: Pd-based heterogeneous catalysts possess excellent activity for CO direct esterification to dimethyl oxalate (DMO), and lots of investigations have been conducted on the active component Pd. Nevertheless, there are few...

Cited by 2 publications

References 42 publications

A Derivative of ZnIn₂S₄ Nanosheet Supported Pd Boosts Selective CO₂ Hydrogenation

A Derivative of ZnIn₂S₄ Nanosheet Supported Pd Boosts Selective CO₂ Hydrogenation

Oxidative coupling of carbon monoxide to dimethyl oxalate: catalysts design, reaction mechanism and process intensification

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Enhancing the activity of Pd/Zn–Al–O catalysts for esterification of CO to dimethyl oxalate via increasing oxygen defects by tuning the Zn/Al ratio

Abstract: Pd-based heterogeneous catalysts possess excellent activity for CO direct esterification to dimethyl oxalate (DMO), and lots of investigations have been conducted on the active component Pd. Nevertheless, there are few...

Cited by 2 publications

References 42 publications

A Derivative of ZnIn2S4 Nanosheet Supported Pd Boosts Selective CO2 Hydrogenation

A Derivative of ZnIn2S4 Nanosheet Supported Pd Boosts Selective CO2 Hydrogenation

Oxidative coupling of carbon monoxide to dimethyl oxalate: catalysts design, reaction mechanism and process intensification

Contact Info

Product

Resources

About

A Derivative of ZnIn₂S₄ Nanosheet Supported Pd Boosts Selective CO₂ Hydrogenation

A Derivative of ZnIn₂S₄ Nanosheet Supported Pd Boosts Selective CO₂ Hydrogenation