Molecular orientation effects in a surface-confined, free-radical reaction

Article Abstract:

Pyrolysis of silica-immobilized 1,3-diphenylpropane (DPP) is examined in the presence of a series of isomeric co-attached hydroaromatic spacer molecules to explore the role of molecular orientation on a free-radical reaction under surface confinement. The DPP pyrolysis rate is found to be sensitive to both the structure of the spacer and its attachment orientation to the surface.

Science & research, Research, Methods, Molecular dynamics, Pyrolysis

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Morphology control of phase-separation-induced alumina-slica macroporous gels for rare-earth-doped scattering media

Article Abstract:

Phase-separation behavior in the sol-gel system of alumina-silica in the presence of poly(ethylene oxide) is investigated. The reduction of Sm(super 3+) to Sm(super 2+) is accomplished in Al2O3-SiO2 macroporous glasses by heat treatment in a reducing atmosphere.

All Other Basic Organic Chemical Manufacturing, Industrial organic chemicals, not elsewhere classified, Ethylene Oxide, Aluminum

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