Diverse Pathways for the Palladium(II)-Mediated Oxidation of Olefins bytert-Butylhydroperoxide

2002 ◽  
Vol 4 (16) ◽  
pp. 2727-2730 ◽  
Author(s):  
Jin-Quan Yu ◽  
E. J. Corey
Keyword(s):  
Oxidation Of Olefins ◽  
Mediated Oxidation

Cation controlled singlet oxygen mediated oxidation of olefins within zeolites

2002 ◽  
Vol 153 (1-3) ◽  
pp. 55-65 ◽  
Author(s):  
Lakshmi S Kaanumalle ◽  
J Shailaja ◽  
Rebecca J Robbins ◽  
V Ramamurthy
Keyword(s):  
Singlet Oxygen ◽  
Oxidation Of Olefins ◽  
Mediated Oxidation

Singlet Oxygen Mediated Oxidation of Olefins within Zeolites: Selectivity and Complexities

Tetrahedron ◽  
2000 ◽  
Vol 56 (36) ◽  
pp. 6927-6943 ◽  
Author(s):  
J. Shailaja ◽  
J. Sivaguru ◽  
Rebecca J. Robbins ◽  
V. Ramamurthy ◽  
R.B. Sunoj ◽  
...  
Keyword(s):  
Singlet Oxygen ◽  
Oxidation Of Olefins ◽  
Mediated Oxidation

ChemInform Abstract: Singlet Oxygen Mediated Oxidation of Olefins within Zeolites: Selectivity and Complexities.

ChemInform ◽  
2000 ◽  
Vol 31 (49) ◽  
pp. no-no
Author(s):  
J. Shailaja ◽  
J. Sivaguru ◽  
Rebecca J. Robbins ◽  
V. Ramamurthy ◽  
R. B. Sunoj ◽  
...  
Keyword(s):  
Singlet Oxygen ◽  
Oxidation Of Olefins ◽  
Mediated Oxidation

Effect of Polyethylene Glycol in Nanocellulose/PLA Composites

2019 ◽  
Vol 821 ◽  
pp. 89-95
Author(s):  
Wanasorn Somphol ◽  
Thipjak Na Lampang ◽  
Paweena Prapainainar ◽  
Pongdhorn Sae-Oui ◽  
Surapich Loykulnant ◽  
...  
Keyword(s):  
Tensile Strength ◽  
Lactic Acid ◽  
Polyethylene Glycol ◽  
Aspect Ratio ◽  
Mechanical Performance ◽  
Tensile Modulus ◽  
Poly Lactic Acid ◽  
Solvent Casting ◽  
Casting Method ◽  
Mediated Oxidation

Poly (lactic acid) or PLA was reinforced by nanocellulose and polyethylene glycol (PEG), which were introduced into PLA matrix from 0 to 3 wt.% to enhance compatibility and strength of the PLA. The nanocellulose was prepared by TEMPO-mediated oxidation from microcrystalline cellulose (MCC) powder and characterized by TEM, AFM, and XRD to reveal rod-like shaped nanocellulose with nanosized dimensions, high aspect ratio and high crystallinity. Films of nanocellulose/PEG/PLA nanocomposites were prepared by solvent casting method to evaluate the mechanical performance. It was found that the addition of PEG in nanocellulose-containing PLA films resulted in an increase in tensile modulus with only 1 wt% of PEG, where higher PEG concentrations negatively impacted the tensile strength. Furthermore, the tensile strength and modulus of nanocellulose/PEG/PLA nanocomposites were higher than the PLA/PEG composites due to the existence of nanocellulose chains. Visual traces of crazing were detailed to describe the deformation mechanism.

scholarly journals Plasmon-Mediated Oxidation Reaction on Au/p-Cu2O: The Origin of Hot Holes

Physchem ◽  
2021 ◽  
Vol 1 (2) ◽  
pp. 163-175
Author(s):  
Philipp Hawe ◽  
Vitor R. R. Silveira ◽  
Robert Bericat Vadell ◽  
Erik Lewin ◽  
Jacinto Sá
Keyword(s):  
Optical Absorption ◽  
Small Molecules ◽  
Photocatalytic Efficiency ◽  
Sustainable Solutions ◽  
Hot Carrier ◽  
Mitigate Climate Change ◽  
Underlying Processes ◽  
Direct Use ◽  
Mediated Oxidation ◽  
High Optical Absorption

More sustainable solutions are needed to produce chemicals and fuels, mainly to face rising demands and mitigate climate change. Light, as a reagent, has emerged as a route to activate small molecules, e.g., H2O, CO2, N2, and make complex chemicals in a process called photocatalysis. Several photosystems have been proposed, with plasmonic technology emerging as one the most promising technologies due to its high optical absorption and hot-carrier formation. However, the lifetime of hot carriers is unsuitable for direct use; therefore, they are normally coupled with suitable charge-accepting materials, such as semiconductors. Herein, a system is reported consisting of Au supported in p-Cu2O. The combination of p-Cu2O intrinsic photoactivity with the plasmonic properties of Au extended the system’s optical absorption range, increasing photocatalytic efficiency. More importantly, the system enabled us to study the underlying processes responsible for hot-hole transfer to p-Cu2O. Based on photocatalytic studies, it was concluded that most of the holes involved in aniline photo-oxidation come from hot-carrier injections, not from the PIRET process.

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