Recent advances in direct air capture by adsorption

Chemical Society Reviews, Journal Year: 2022, Volume and Issue: 51(15), P. 6574 - 6651

Published: Jan. 1, 2022

This review provides exhaustive insights into material and process design of adsorption-based direct air capture in the past five years.

Language: Английский

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Role of oxygen vacancy in metal oxides for photocatalytic CO2 reduction

Applied Catalysis B Environment and Energy, Journal Year: 2022, Volume and Issue: 321, P. 122079 - 122079

Published: Oct. 17, 2022

Language: Английский

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Strain enhances the activity of molecular electrocatalysts via carbon nanotube supports

Nature Catalysis, Journal Year: 2023, Volume and Issue: 6(9), P. 818 - 828

Published: Aug. 14, 2023

Abstract Support-induced strain engineering is useful for modulating the properties of two-dimensional materials. However, controlling planar molecules technically challenging due to their sub-2 nm lateral size. Additionally, effect on molecular remains poorly understood. Here we show that carbon nanotubes (CNTs) are ideal substrates inducing optimum through curvature. In a tandem-flow electrolyser with monodispersed cobalt phthalocyanine (CoPc) single-walled CNTs (CoPc/SWCNTs) CO 2 reduction, achieve methanol partial current density >90 mA cm −2 >60% selectivity, surpassing wide multiwalled at 16.6%. We report vibronic and X-ray spectroscopies unravel distinct local geometries electronic structures induced by strong molecule–support interactions. Grand canonical functional theory confirms curved CoPc/SWCNTs improve *CO binding enable subsequent whereas favour desorption. Our results important role SWCNTs beyond catalyst dispersion electron conduction.

Language: Английский

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Current Progress in 2D Metal–Organic Frameworks for Electrocatalysis

Small Structures, Journal Year: 2022, Volume and Issue: 4(6)

Published: Sept. 16, 2022

The 2D nanosheets of metal–organic frameworks (MOFs) have recently emerged as a promising material that makes them valuable in widespread electrocatalytic fields due to their atomic‐level thickness, abundant active sites, and large surface area. Efficient electrocatalysts for hydrogen evolution reaction (HER), oxygen (OER), overall water splitting are highly desired with low overpotentials promote the industrial applications energy conversion devices. MOF nanostructures provide long‐term stability high electrical conductivity enhance catalyst activity durability. This review briefly summarizes synthesis HER/OER/water splitting. More attention is focused on synthetic strategies derivatives. catalytic performance superior properties these materials highlighted. outperformance originates from rational design, myriad thickness. current future challenges this field scientific perspectives overcome It suggested construction can develop state‐of‐the‐art electrocatalyst environmental division.

Language: Английский

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Delocalization state-induced selective bond breaking for efficient methanol electrosynthesis from CO2

Nature Catalysis, Journal Year: 2022, Volume and Issue: 6(1), P. 6 - 15

Published: Dec. 12, 2022

Language: Английский

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Constructing Cu−C Bonds in a Graphdiyne‐Regulated Cu Single‐Atom Electrocatalyst for CO₂ Reduction to CH₄

Angewandte Chemie International Edition, Journal Year: 2022, Volume and Issue: 61(23)

Published: March 18, 2022

Regulating intermediates through elaborate catalyst design to control the reaction direction is crucial for promoting selectivity of electrocatalytic CO2 -to-CH4 . M-C (M=metal) bonds are particularly important tuning multi-electron reaction; however, its construction in nanomaterials challenging. Here, via rational situ anchoring Cu SAs (single atoms) on unique platform graphdiyne, we firstly realize a chemical bond Cu-C (GDY). In Raman spectroelectrochemistry and DFT calculations confirm that due fabrication bond, during reduction, formation *OCHO dominant rather than *COOH atoms, facilitating CH4 Therefore, find constructing SAs/GDY can supply an efficient charge transfer channel, but most importantly guide more facile pathway , thereby significantly boosting catalytic performance. This work provides new insights enhancing RR at atomic level.

Language: Английский

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Highly porous nanostructures: Rational fabrication and promising application in energy electrocatalysis

Coordination Chemistry Reviews, Journal Year: 2022, Volume and Issue: 466, P. 214604 - 214604

Published: May 13, 2022

Language: Английский

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Active and conductive layer stacked superlattices for highly selective CO2 electroreduction

Nature Communications, Journal Year: 2022, Volume and Issue: 13(1)

Published: April 19, 2022

Metal oxides are archetypal CO

Language: Английский

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Engine emissions with air pollutants and greenhouse gases and their control technologies

Journal of Cleaner Production, Journal Year: 2022, Volume and Issue: 376, P. 134260 - 134260

Published: Sept. 22, 2022

Language: Английский

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Accessing parity-forbidden d-d transitions for photocatalytic CO2 reduction driven by infrared light

Nature Communications, Journal Year: 2023, Volume and Issue: 14(1)

Published: July 7, 2023

Abstract A general approach to promote IR light-driven CO 2 reduction within ultrathin Cu-based hydrotalcite-like hydroxy salts is presented. Associated band structures and optical properties of the materials are first predicted by theory. Subsequently, Cu 4 (SO )(OH) 6 nanosheets were synthesized found undergo cascaded electron transfer processes based on d - orbital transitions under infrared light irradiation. The obtained samples exhibit excellent activity for reduction, with a production rate 21.95 4.11 μmol g −1 h CH , respectively, surpassing most reported catalysts same reaction conditions. X-ray absorption spectroscopy in situ Fourier-transform used track evolution catalytic sites intermediates understand photocatalytic mechanism. Similar also investigated explore generality proposed approach. Our findings illustrate that abundant transition metal complexes hold great promise light-responsive photocatalysis.

Language: Английский

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