Reactivity of surface species in heterogeneous catalysts probed by in situ X-ray absorption techniques
Starting from the late seventies, the progressively increased availability of synchrotron light
sources allowed the execution of experiments requiring a high X-ray flux in a continuous …
sources allowed the execution of experiments requiring a high X-ray flux in a continuous …
Design of Lewis-acid centres in zeolitic matrices for the conversion of renewables
PY Dapsens, C Mondelli… - Chemical Society Reviews, 2015 - pubs.rsc.org
The catalytic conversion of renewable feedstocks into chemicals is pursued as a means to
sustainably fulfil future societal needs. Due to the oxygen-rich nature of bio-derived …
sustainably fulfil future societal needs. Due to the oxygen-rich nature of bio-derived …
Lewis acid zeolites for biomass conversion: Perspectives and challenges on reactivity, synthesis, and stability
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 …
activation and conversion of oxygenated molecules owing to the unique Lewis acid …
Synthesis, crystallization mechanism, and catalytic properties of titanium-rich TS-1 free of extraframework titanium species
A new route to the synthesis of TS-1 has been developed using (NH4) 2CO3 as a
crystallization-mediating agent. In this way, the framework Ti content can be significantly …
crystallization-mediating agent. In this way, the framework Ti content can be significantly …
A review on titanosilicate-1 (TS-1) catalysts: Research progress of regulating titanium species
B Wang, Y Guo, J Zhu, J Ma, Q Qin - Coordination Chemistry Reviews, 2023 - Elsevier
Abstract Titanosilicate-1 (TS-1) has attracted extensive attention of researchers due to its
unique shape-selective catalytic oxidation performance and excellent hydrothermal stability …
unique shape-selective catalytic oxidation performance and excellent hydrothermal stability …
Evidence of defect-promoted reactivity for epoxidation of propylene in titanosilicate (TS-1) catalysts: a DFT study
DH Wells Jr, WN Delgass Jr… - Journal of the American …, 2004 - ACS Publications
Our density functional theory study of hydroperoxy (OOH) intermediates on various model
titanosilicalite (TS-1) Ti centers explores how microstructural aspects of Ti sites effect …
titanosilicalite (TS-1) Ti centers explores how microstructural aspects of Ti sites effect …
Reactivity of Ti (iv) species hosted in TS-1 towards H 2 O 2–H 2 O solutions investigated by ab initio cluster and periodic approaches combined with experimental …
This work is intended to underline how the most-advanced experimental and theoretical
physical chemistry tools must be used synergistically to understand the reactivity of Ti …
physical chemistry tools must be used synergistically to understand the reactivity of Ti …
Photochemical and FT-IR probing of the active site of hydrogen peroxide in Ti silicalite sieve
W Lin, H Frei - Journal of the American Chemical Society, 2002 - ACS Publications
Upon loading of aqueous hydrogen peroxide into Ti silicalite sieve and removal of the
solvent by evacuation, a thermally stable hydroperoxo species was detected by infrared …
solvent by evacuation, a thermally stable hydroperoxo species was detected by infrared …
Quantitative structural determination of active sites from in situ and operando XANES spectra: From standard ab initio simulations to chemometric and machine …
In the last decade the appearance of progressively more sophisticated codes, together with
the increased computational capabilities, has made XANES a spectroscopic technique able …
the increased computational capabilities, has made XANES a spectroscopic technique able …
Uniform catalytic site in Sn-β-Zeolite determined using x-ray absorption fine structure
The Sn silicate zeolite, Sn-β, has been shown to be an efficient, selective heterogeneous
catalyst for Baeyer− Villiger oxidations. Using primarily a multishell fit to extended X-ray …
catalyst for Baeyer− Villiger oxidations. Using primarily a multishell fit to extended X-ray …