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Titanium dioxide-supported silver nanoparticles was synthesized by a facile method and studied as a sorbents for elemental mercury (Hg°). The concentration of deposited silver nanoparticles was in the range of 0.1 – 5.0% weight of titanium dioxide powder. XRD and TEM results confirmed that silver nanoparticles with a diameter size ranging from 2–5 nm were successfully deposited on the surface of titanium...
The Sr-Mg mixed oxides were developed for biodiesel production from transesterification of refined palm olein and methanol. The strong base site was newly formed in Sr-Mg catalysts via partial solid state reaction induced by thermal treatment at 600 °C. The new base site together with the original base site from SrO synergistically catalyzed transesterification reaction at mild conditions. Biodiesel...
New β-pyrrolic functionalized porphyrins with donor-π-acceptor character were synthesized and characterized as dye sensitizers for dye-sensitized solar cells. Two types of π-conjugated spacers, namely benzene and thiophene rings, with cyanoacrylic acid as an acceptor were linked to the porphyrin ring at the β-pyrrolic position. These porphyrins showed high thermal and electrochemical stability. As...
The performance of the ONIOM (Our-own-N-layered Integrated molecular Orbital + molecular Mechanics) approach utilizing 10 combinations of two-layer ONIOM2 schemes has been tested for various sizes of faujasite clusters containing up to 84T tetrahedral atoms and the complexes they form with ethylene, benzene, and ethylbenzene molecules. Interaction energies of the adsorbates with a 3T bare quantum...
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