Strategies for effective nitrous oxide capture: From materials to mechanisms

IF 20.3 1区 化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR Coordination Chemistry Reviews Pub Date : 2025-03-17 DOI:10.1016/j.ccr.2025.216627
Peiwen Xu, Zhe Li, Xuanhao Wu, Zhongbiao Wu
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Abstract

Nitrous oxide (N2O) is a potent greenhouse gas and ozone-depleting substance, with industrial sources particularly nitric acid and adipic acid production being the major anthropogenic contributions to its emissions. Given the environmental risks coupled with its significant potential for economic value, it is essential to explore methods for N2O capture. This review provides a comprehensive assessment of recent advancements in N2O capture, focusing on adsorptive and absorptive materials and their underlying mechanisms. Silica, biochar, activated carbon, metal-organic frameworks (MOFs), and zeolites, are evaluated for their adsorption efficiency, while organic absorbents and ionic liquids are analyzed for their absorption properties. Mechanistic insights reveal the interactions between N2O and metal cations, strong electron donors, frustrated Lewis pairs (FLPs), and physical absorption in ionic liquids. Additionally, mechanisms for selectively separating N2O from CO2, including hydrogen bonding, Lewis acidity tuning, and gate-opening effects, are also explored. Recent research highlights the significance of microenvironment modulation around capture sites in enhancing N2O uptake. Microenvironments into four levels: molecular, nano/microscale confinements, surface and field effects offer new opportunities for rational material design. Advancements in in-situ characterization technologies and computational simulations further facilitate the understanding of N2O capture mechanisms. This detailed analysis offers guidance on selective N2O recovery, enrichment, and valorization, with a focus on improving cost-efficiency and enhancing environmental sustainability. Future directions include advancing material design, cost reduction, and novel capture mechanisms to foster sustainable N2O mitigation strategies.

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来源期刊
Coordination Chemistry Reviews
Coordination Chemistry Reviews 化学-无机化学与核化学
CiteScore
34.30
自引率
5.30%
发文量
457
审稿时长
54 days
期刊介绍: Coordination Chemistry Reviews offers rapid publication of review articles on current and significant topics in coordination chemistry, encompassing organometallic, supramolecular, theoretical, and bioinorganic chemistry. It also covers catalysis, materials chemistry, and metal-organic frameworks from a coordination chemistry perspective. Reviews summarize recent developments or discuss specific techniques, welcoming contributions from both established and emerging researchers. The journal releases special issues on timely subjects, including those featuring contributions from specific regions or conferences. Occasional full-length book articles are also featured. Additionally, special volumes cover annual reviews of main group chemistry, transition metal group chemistry, and organometallic chemistry. These comprehensive reviews are vital resources for those engaged in coordination chemistry, further establishing Coordination Chemistry Reviews as a hub for insightful surveys in inorganic and physical inorganic chemistry.
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