Defects tune the acidic strength of amorphous aluminosilicates

R Verma, C Singhvi, A Venkatesh… - Nature …, 2024 - nature.com
Crystalline zeolites have high acidity but limited utility due to microporosity, whereas
mesoporous amorphous aluminosilicates offer better porosity but lack sufficient acidity. In …

Observing the Surface Termination of LaScO3 Perovskite Using Solid-State Nuclear Magnetic Resonance

TY Zhao, EP Greenstein, IL Peczak… - Journal of the …, 2024 - ACS Publications
Materials with well-defined surfaces are drawing increased attention for the design of
bespoke catalysts and nanomaterials. Gaining a detailed understanding of the surfaces of …

Enhanced Activity from Coordinatively Unsaturated and Dynamic Zeolite-Bound Organoscandium Species

SA Southern, Y Li, DJ Liu, AD Sadow, L Qi… - ACS …, 2024 - ACS Publications
Scandium borohydride grafted into the micropores of the faujasite zeolite HY30 catalyzes
the C–H borylation of benzene, whereas silica-grafted species are inactive. This catalytic …

Structural characterization of surface immobilized platinum hydrides by sensitivity-enhanced 195 Pt solid state NMR spectroscopy and DFT calculations

BA Atterberry, EJ Wimmer, S Klostermann, W Frey… - Chemical …, 2025 - pubs.rsc.org
Supported single-site platinum hydride compounds are promising heterogeneous catalysts
for organic transformations. Few methods exist to describe the structures of single-site Pt …

Contribution of Malang quartzite-based silica in K2O/zeolite Y catalyst for methyl ester synthesis of off grade crude palm oil

S Sumari, S Arni, A Santoso, LP Sholikah, MR Asrori… - Heliyon, 2024 - cell.com
Malang quartzite contains a highly silica content. The silica changes the structural
composition of Zeolite Y. Currently, a heterogeneous catalyst is developed to optimize …

ПЕРСПЕКТИВЫ ИСПОЛЬЗОВАНИЯ КОБАЛЬТОВОГО КАТАЛИЗАТОРА СИНТЕЗА ФИШЕРА–ТРОПША НА ОСНОВЕ СИНТЕТИЧЕСКОГО АЛЮМОСИЛИКАТА

LV Sineva, EY Asalieva, KO Gryaznov… - … . СЕРИЯ «ХИМИЯ И …, 2024 - ctj-isuct.ru
Аннотация В работе изучали возможность использования коммерчески доступного
алюмосиликата Siral-40, содержащего 40 мас.% SiO 2, в составе кобальтового …