Tuning the microporosity of crystalline microporous materials is critical for achieving good application performance.Zeolitic iron molybdate shows both redox properties and microporosity,and a redox-triggered micropor...Tuning the microporosity of crystalline microporous materials is critical for achieving good application performance.Zeolitic iron molybdate shows both redox properties and microporosity,and a redox-triggered microporosity change is investigated.The micropores of the material are adjusted at the sub-atomic scale by redox reactions,enabling tuning of the adsorption and separation performances of the material based on the redox of the material.The adsorption capacities of CO_(2) and CH_(4) increase and decrease with the reduction and oxidation of the material,respectively.The separation performance for CO_(2)/CH_(4) of the material is enhanced and weakened when the material is reduced and oxidized.The robust material is able to separate CO_(2)/CH_(4) at high temperatures and humidities and can be reused without changing the structure.展开更多
基金supported by the National Natural Science Foundation of China(grant nos 22075153,22006077 and 21622607)Major Special Projects of the Plan“Science and Technology Innovation 2025”in Ningbo(no.2018B10016)the K.C.Wong Magna Fund in Ningbo University.
文摘Tuning the microporosity of crystalline microporous materials is critical for achieving good application performance.Zeolitic iron molybdate shows both redox properties and microporosity,and a redox-triggered microporosity change is investigated.The micropores of the material are adjusted at the sub-atomic scale by redox reactions,enabling tuning of the adsorption and separation performances of the material based on the redox of the material.The adsorption capacities of CO_(2) and CH_(4) increase and decrease with the reduction and oxidation of the material,respectively.The separation performance for CO_(2)/CH_(4) of the material is enhanced and weakened when the material is reduced and oxidized.The robust material is able to separate CO_(2)/CH_(4) at high temperatures and humidities and can be reused without changing the structure.
