Propane dehydrogenation catalyzed by isolated Pt atoms in≡ SiOZn–OH nests in dealuminated zeolite Beta

L Qi, M Babucci, Y Zhang, A Lund, L Liu… - Journal of the …, 2021 - ACS Publications
Atomically dispersed noble metal catalysts have drawn wide attention as candidates to
replace supported metal clusters and metal nanoparticles. Atomic dispersion can offer …

Dehydrogenation of Propane and n-Butane Catalyzed by Isolated PtZn4 Sites Supported on Self-Pillared Zeolite Pentasil Nanosheets

L Qi, Y Zhang, M Babucci, C Chen, P Lu, J Li… - ACS …, 2022 - ACS Publications
Propene and 1, 3-butadiene are important building-block chemicals that can be produced by
dehydrogenation of propane and butane on Pt catalysts. A challenge is to develop highly …

Mechanism and Kinetics of Acetone Conversion to Isobutene over Isolated Hf Sites Grafted to Silicalite-1 and SiO2

Y Zhang, L Qi, A Lund, P Lu, AT Bell - Journal of the American …, 2021 - ACS Publications
Isolated hafnium (Hf) sites were prepared on Silicalite-1 and SiO2 and investigated for
acetone conversion to isobutene. Characterization by IR, 1H MAS NMR, and UV–vis …

Rapid sonochemical synthesis of spherical silica nanoparticles derived from brown rice husk

S Sankar, N Kaur, S Lee, DY Kim - Ceramics International, 2018 - Elsevier
The nanoparticles of silica (SiO 2) were synthesized from brown rice husk via the
sonochemical process, during which the sonication time was varied from 0 to 50 min so as to …

Synthesis and formation mechanism of amorphous silica particles via sol–gel process with tetraethylorthosilicate

X Jiang, X Tang, L Tang, B Zhang, H Mao - Ceramics International, 2019 - Elsevier
Silica microspheres with narrow particle size distribution and average diameter of 80–200
nm were prepared by hydrolysis and condensation of tetraethylorthosilicate (TEOS) in …

Mechanism and Kinetics of Propane and n-Butane Dehydrogenation over Isolated and Nested ≡SiOZn–OH Sites Grafted onto Silanol Nests of Dealuminated Beta …

Y Zhang, L Qi, D Nozik, C Dun, JJ Urban, AT Bell - ACS Catalysis, 2024 - ACS Publications
Zn Lewis acid centers were grafted onto the silanol nest created by dealumination of H-BEA
zeolite (DeAlBEA). The resulting material was characterized and investigated for propane …

Development of clove oil based nanoencapsulated biopesticide employing mesoporous nanosilica synthesized from paddy straw via bioinspired sol-gel route

G Singh, H Arora, P Hariprasad, S Sharma - Environmental Research, 2023 - Elsevier
Paddy straw (PS) burning is a concerning issue in South Asian countries, clamoring for
exploring alternative management strategies. Being a rich source of silica, PS can be a …

Green Synthesis, Characterization and Antibacterial Activity of SiO2–ZnO Nanocomposite by Dictyota bartayresiana Extract and Its Cytotoxic Effect on HT29 Cell Line

DS Bharathi, A Boopathyraja, S Nachimuthu… - Journal of Cluster …, 2022 - Springer
This study elucidates the biosynthesis of two various metal nanoparticles using brown
seaweed algae from the southeast coast region of Tamil Nadu. The synthesized SiO 2–ZnO …

Silver nanoparticles embedded mesoporous SiO2 nanosphere: An effective anticandidal agent against Candida albicans 077

M Qasim, BR Singh, AH Naqvi, P Paik, D Das - Nanotechnology, 2015 - iopscience.iop.org
Candida albicans is a diploid fungus that causes common infections such as denture
stomatitis, thrush, urinary tract infections, etc. Immunocompromised patients can become …

Microstructural and phase evolution in metakaolin geopolymers with different activators and added aluminosilicate fillers

M Sarkar, K Dana, S Das - Journal of Molecular Structure, 2015 - Elsevier
This work aims to investigate the microstructural and phase evolution of alkali activated
metakaolin products with different activators and added aluminosilicate filler phases. The …