Hollow multishelled structure(HoMS),a promising and complex multifunctional structural system,features at least two shells that are separated by internal voids.The unique structure endows it with numerous advantages i...Hollow multishelled structure(HoMS),a promising and complex multifunctional structural system,features at least two shells that are separated by internal voids.The unique structure endows it with numerous advantages including low density,high loading capacity,large specific surface area,facilitated mass transport,and multiple spatial confinement effect.In the past twenty years,benefiting from the booming development of synthesis methods,various HoMS materials have been prepared and show promising applications in diverse areas.展开更多
Ordered mesoporous aluminosilicate Al-SBA-15 materials with cage-like macropores have been synthesized by using micrometer-sized aluminum balls as an Al source,tetraethyl orthosilicate(TEOS) as a silica source,and tri...Ordered mesoporous aluminosilicate Al-SBA-15 materials with cage-like macropores have been synthesized by using micrometer-sized aluminum balls as an Al source,tetraethyl orthosilicate(TEOS) as a silica source,and triblock copolymer Pluronic P123 as a template.The resulting materials were fully characterized by XRD,N2 adsorption,SEM,TEM,ICP-AES,and 27Al MAS-NMR.The products(Al-SBA-15) have ordered two-dimensional(2-D) hexagonal mesostructures(space group p6mm).The calcined Al-SBA-15 materials exhibit disordered macropores with diameters of about 70―80 nm and ordered mesopores with a diameter of ～5 nm,a BET surface area of about 500 m2/g,Si/Al ratio of 40―80,and a ratio of tetrahedral Al to octahedral Al sites of about 2:1.This combination of properties gives these materials potential applications in areas such as adsorption,catalysis and separation.展开更多
The past decade has witnessed the significantly increasing impact of the Chinese chemical community worldwide and the Chinese chemists are playing an irreplaceable important role.This is reflected by not only the incr...The past decade has witnessed the significantly increasing impact of the Chinese chemical community worldwide and the Chinese chemists are playing an irreplaceable important role.This is reflected by not only the increased number but also the improved quality of scientific publications.Some top level original works have opened new展开更多
Professor Ruren Xu of Jilin University is a leader in the Chinese,Asian and worldwide zeolite communities as well as the founder of the inorganic synthesis discipline in China,the first proposer of the scientific syst...Professor Ruren Xu of Jilin University is a leader in the Chinese,Asian and worldwide zeolite communities as well as the founder of the inorganic synthesis discipline in China,the first proposer of the scientific system of modem inorganic chemistry in the world.He has been working at Jilin University for 70 years since 1952.He was elected a member of the Chinese Academy of Sciences in 1991 and a Fellow of the Academy of Sciences for the Developing World(TWAS)in 2003.He served as an associate editor of Chemical Journal of Chinese Universities and Chemical Research in Chinese Universities for over 20 years.He was a member of the International Advisory Board of Microporous Materials(1992-1997)and Microporous and Mesoporous Materials(since 1998),a Councilor of the International Zeolite Association(IZA,1998-2004),the chairman of the 15th International Zeolite Conference held in Beijing(2007),and the honoraiy chairman of the first Europe-Asia Zeolite Conference(EAZC)in Macao(2013).展开更多
基金This work was supported by the National Natural Science Foundation of China(Nos.21931012,21821005,92163209,52272097,52202354,22293043,52261160573,52072369,and 52301296)the Zhongke-Yuneng Joint R&D Center Program,China(No.ZKYN2022008).
文摘Hollow multishelled structure(HoMS),a promising and complex multifunctional structural system,features at least two shells that are separated by internal voids.The unique structure endows it with numerous advantages including low density,high loading capacity,large specific surface area,facilitated mass transport,and multiple spatial confinement effect.In the past twenty years,benefiting from the booming development of synthesis methods,various HoMS materials have been prepared and show promising applications in diverse areas.
基金Supported by the National Natural Science Foundation of China (Grant Nos. 20890123 & 20721063)Shanghai Science & Technology Committee (08DZ2270500)Shanghai Leading Academic Discipline Project (No.B108)
文摘Ordered mesoporous aluminosilicate Al-SBA-15 materials with cage-like macropores have been synthesized by using micrometer-sized aluminum balls as an Al source,tetraethyl orthosilicate(TEOS) as a silica source,and triblock copolymer Pluronic P123 as a template.The resulting materials were fully characterized by XRD,N2 adsorption,SEM,TEM,ICP-AES,and 27Al MAS-NMR.The products(Al-SBA-15) have ordered two-dimensional(2-D) hexagonal mesostructures(space group p6mm).The calcined Al-SBA-15 materials exhibit disordered macropores with diameters of about 70―80 nm and ordered mesopores with a diameter of ～5 nm,a BET surface area of about 500 m2/g,Si/Al ratio of 40―80,and a ratio of tetrahedral Al to octahedral Al sites of about 2:1.This combination of properties gives these materials potential applications in areas such as adsorption,catalysis and separation.
文摘The past decade has witnessed the significantly increasing impact of the Chinese chemical community worldwide and the Chinese chemists are playing an irreplaceable important role.This is reflected by not only the increased number but also the improved quality of scientific publications.Some top level original works have opened new
文摘Professor Ruren Xu of Jilin University is a leader in the Chinese,Asian and worldwide zeolite communities as well as the founder of the inorganic synthesis discipline in China,the first proposer of the scientific system of modem inorganic chemistry in the world.He has been working at Jilin University for 70 years since 1952.He was elected a member of the Chinese Academy of Sciences in 1991 and a Fellow of the Academy of Sciences for the Developing World(TWAS)in 2003.He served as an associate editor of Chemical Journal of Chinese Universities and Chemical Research in Chinese Universities for over 20 years.He was a member of the International Advisory Board of Microporous Materials(1992-1997)and Microporous and Mesoporous Materials(since 1998),a Councilor of the International Zeolite Association(IZA,1998-2004),the chairman of the 15th International Zeolite Conference held in Beijing(2007),and the honoraiy chairman of the first Europe-Asia Zeolite Conference(EAZC)in Macao(2013).
