Metal substitution of molecular sieve systems is a major driving force in develo** novel
catalytic processes to meet current demands of green chemistry concepts and to achieve …

The development of efficient catalysts to break down and convert woody biomass will be a
paradigm shift in delivering the global target of sustainable economy and environment via …

Encapsulation of metal nanoparticles in a zeolite matrix is a promising route to integrate
multiple sequential reactions into a one-pot and one-step tandem catalytic reaction. We …

Methods to quantify framework Lewis acidic Sn 4+ sites in zeolite Beta (Sn-Beta) with four
Lewis base titrants (pyridine, deuterated acetonitrile, n-propylamine, ammonia) were …

Zeolites containing Sn, Ti, Zr, Hf, Nb, or Ta heteroatoms are versatile catalysts for the
activation and conversion of oxygenated molecules owing to the unique Lewis acid …

A variety of Sn-containing Beta zeolites possessing framework or extraframework Sn sites
were prepared by a two-step postsynthesis procedure. The nature of these Sn species was …

Aluminosilicate zeolite as a versatile material is of great importance for industrial catalysis,
whose noumenal Brønsted and Lewis acid sites generally determine the activity, selectivity …

The incorporation of isolated Sn (IV) and Zr (IV) ions into silica frameworks is attracting
widespread attention, which exhibits remarkable catalytic performance (conversion …

Heteroatom (such as Ti, Sn, Zr, Hf and others) Lewis acid zeolites contain Lewis acid site
(LAS) centers with tetrahedral coordination confined in micropores of zeolites with varied …

Tetrahedral Sn built into microporous silica frameworks such as zeolites and structured
mesoporous silica can be used as heterogeneous Lewis acid catalysts. These materials …