Metal-organic frameworks for NH3 adsorption and separation.
Rui Luo1, Dawei Xu1, Ruirui Liu1
1Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science (Ministry of Education), Advanced Technology Research Institute (Jinan), School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, People's Republic of China. jwzhou@bit.edu.cn.
Metal-organic frameworks (MOFs) show promise as ammonia (NH3) adsorbents for diverse applications, from fertilizers to hydrogen storage. This review evaluates MOF stability, adsorption mechanisms, and interactions for designing efficient NH3 adsorbents.
Area of Science:
- Materials Science
- Chemical Engineering
- Environmental Science
Background:
- Ammonia (NH3) is vital for fertilizers and energy, necessitating effective adsorbents.
- Diverse applications require tailored adsorbent properties.
- Metal-organic frameworks (MOFs) offer tunable structures for NH3 adsorption.
Purpose of the Study:
- To comprehensively review MOFs as ammonia adsorbents.
- To evaluate MOF stability and adsorption mechanisms in NH3 atmospheres.
- To classify MOFs based on application-specific requirements.
Main Methods:
- Literature review of MOF adsorbents for ammonia.
- Analysis of MOF stability and degradation under NH3 exposure.
- Examination of host-guest interactions between MOFs and NH3.
Main Results:
- MOFs exhibit tunable structures suitable for various NH3 applications.
- Stability and adsorption mechanisms of MOFs in NH3 environments are characterized.
- Methods for probing MOF-NH3 interactions are discussed.
Conclusions:
- MOFs are promising for diverse ammonia applications.
- Understanding MOF-NH3 interactions is key to designing advanced adsorbents.
- This review provides a framework for future MOF adsorbent development.
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