Influence mechanism of Pd, Pt, Rh/γ-Al2O3 on NH3 formation for NO reduction by CO

Wang, Houlin; Peng, Yue; Si, Wenzhe; Gao, Chuan; Wang, Yunlong; Wang, Rong; Yuan, Jin; Zhou, Bin; Li, Junhua

doi:10.1016/j.apcatb.2024.124009

Applied Catalysis B: Environment and Energy

2024

DOI: 10.1016/j.apcatb.2024.124009

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Influence mechanism of Pd, Pt, Rh/γ-Al2O3 on NH3 formation for NO reduction by CO

Houlin Wang,

Yue Peng,

Wenzhe Si

et al.

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Cited by 4 publications

References 32 publications

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Temperature-dependent frequency control of TWC operation for efficient CH4 and NOx abatement of stoichiometric natural gas engines

Hodonj,

Thiele,

Deutschmann

et al. 2024

Chemical Engineering Journal

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Temperature-dependent frequency control of TWC operation for efficient CH4 and NOx abatement of stoichiometric natural gas engines

Hodonj,

Thiele,

Deutschmann

et al. 2024

Chemical Engineering Journal

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Promoting C–Cl Bond Activation via a Preoccupied Anchoring Strategy on Vanadia-Based Catalysts for Multi-Pollutant Control of NO_x and Chlorinated Aromatics

Yuan,

Wang,

Zhu

et al. 2024

Environ. Sci. Technol.

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Inhibiting Emulative Oxygen Adsorption via Introducing Pt-Segregated Sites into the Pd Surface for Enhanced H₂ Sensing in Air

Li,

Cao,

Jia

et al. 2024

ACS Sens.

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Pd-modified metal sulfide gas sensors exhibit excellent hydrogen (H 2 ) sensing activity through spillover effects. However, the emulative oxygen adsorption often occupies an exposed Pd surface and thus limits the effective Pd−H interaction, impeding the H 2 sensing performance in air. Herein, we develop an edge-rich Pt-shell/ Pd-core structure to adjust the selective adsorption between oxygen and hydrogen for effective H 2 sensing in an air atmosphere. Detailedly, through accurately regulating the rate of Pt deposition onto the icosahedron Pd surface, an edge-rich Pt-shell/Pd-core structure can be first achieved. It has been found that marginal Pt aggregations can segregate the oxygen molecules around the Pt species and induce easier Pt−O bonding, further guiding accessible Pd surfaces for effective Pd−H interactions, which can be verified by 1 H ssNMR, in-situ Raman, ex-situ XPS, and density functional theory analyses. The final ZnS/PdPt sensor exhibits an ultrasensitive response (8608 to 4% H 2 ) and a wide detected range (0.5 ppm-4%) in air, exceeding most reported hydrogen sensors.

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Influence mechanism of Pd, Pt, Rh/γ-Al2O3 on NH3 formation for NO reduction by CO

Cited by 4 publications

References 32 publications

Temperature-dependent frequency control of TWC operation for efficient CH4 and NOx abatement of stoichiometric natural gas engines

Temperature-dependent frequency control of TWC operation for efficient CH4 and NOx abatement of stoichiometric natural gas engines

Promoting C–Cl Bond Activation via a Preoccupied Anchoring Strategy on Vanadia-Based Catalysts for Multi-Pollutant Control of NO_x and Chlorinated Aromatics

Inhibiting Emulative Oxygen Adsorption via Introducing Pt-Segregated Sites into the Pd Surface for Enhanced H₂ Sensing in Air

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Product

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About

Influence mechanism of Pd, Pt, Rh/γ-Al2O3 on NH3 formation for NO reduction by CO

Cited by 4 publications

References 32 publications

Temperature-dependent frequency control of TWC operation for efficient CH4 and NOx abatement of stoichiometric natural gas engines

Temperature-dependent frequency control of TWC operation for efficient CH4 and NOx abatement of stoichiometric natural gas engines

Promoting C–Cl Bond Activation via a Preoccupied Anchoring Strategy on Vanadia-Based Catalysts for Multi-Pollutant Control of NOx and Chlorinated Aromatics

Inhibiting Emulative Oxygen Adsorption via Introducing Pt-Segregated Sites into the Pd Surface for Enhanced H2 Sensing in Air

Contact Info

Product

Resources

About

Promoting C–Cl Bond Activation via a Preoccupied Anchoring Strategy on Vanadia-Based Catalysts for Multi-Pollutant Control of NO_x and Chlorinated Aromatics

Inhibiting Emulative Oxygen Adsorption via Introducing Pt-Segregated Sites into the Pd Surface for Enhanced H₂ Sensing in Air