Results 231 to 240 of about 552,566 (266)

Modeling DNA oxidation in water

Physical Chemistry Chemical Physics, 2017
We report a novel set of hole energies and electronic coupling parameters that reproduce quantitatively experimental oxidation free energies of DNA.
CAPOBIANCO, AMEDEO, LANDI, ALESSANDRO, PELUSO, Andrea   +2 more
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Dual‐Templated Cobalt Oxide for Photochemical Water Oxidation

ChemSusChem, 2015
AbstractMesoporous Co3O4 was prepared using a dual templating approach whereby mesopores inside SiO2 nanospheres, as well as the void spaces between the nanospheres, were used as templates. The effect of calcination temperature on the crystallinity, morphology, and textural parameters of the Co3O4 replica was investigated.
Deng, X., Bongard, H., Chan, C., Tüysüz, H.   +3 more
openaire   +3 more sources

Biomimetic Water-Oxidation Catalysts: Manganese Oxides

2015
The catalytic oxidation of water to molecular oxygen is a key process for the production of solar fuels. Inspired by the biological manganese-based active site for this reaction in the enzyme Photosystem II, researchers have made impressive progress in the last decades regarding the development of synthetic manganese catalysts for water oxidation.
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Visible light-driven water oxidation with a subporphyrin sensitizer and a water oxidation catalyst

Chemical Communications, 2016
A newly designed contracted porphyrin achieved efficient visible light absorption and interfacial electron transfer for water oxidation in artificial photosynthesis.
Masanori Yamamoto, Yusuke Nishizawa, Pavel Chábera, Fusheng Li, Torbjörn Pascher, Villy Sundström, Licheng Sun, Hiroshi Imahori   +7 more
openaire   +2 more sources

Manganese oxides supported on nano-sized metal oxides as water-oxidizing catalysts for water splitting systems: 2-Water-oxidizing activities

International Journal of Hydrogen Energy, 2016
Abstract Synthesis and characterization of Mn oxides on the surface of nanoparticles such as KAl3(SO4)2(OH)6, Co3O4, CuO, Fe3O4, MgO, NiO, SiO2, SnO2, TiO2, WO3, zeolite, ZnO, and ZrO2 have been reported previously. Herein, we reported the effect of support on the water-oxidizing activity of amorphous Mn oxides in the presence of cerium(IV) ammonium ...
Mohammad Mahdi Najafpour, Foad Ebrahimi, Mahnaz Abasi, Seyedeh Maedeh Hosseini   +3 more
openaire   +1 more source

The Ru−Hbpp Water Oxidation Catalyst

Journal of the American Chemical Society, 2009
A thorough characterization of the Ru-Hbpp (in,in-{[Ru(II)(trpy)(H(2)O)](2)(mu-bpp)}(3+) (trpy is 2,2':6',2''-terpyridine, bpp is bis(2-pyridyl)-3,5-pyrazolate)) water oxidation catalyst has been carried out employing structural (single crystal X-ray), spectroscopic (UV-vis and NMR), kinetic, and electrochemical (cyclic voltammetry) analyses.
Bozoglian, Fernando, Romain, Sophie, Ertem, Mehmed Z., Todorova, Tanya Kumanova, Sens, Christina, Mola, Joaquim, Rodriguez, Montserrat, Romero, Isabel, Benet-Buchholz, Jordi, Fontrodona, Xavier, Cramer, Christopher J., Gagliardi, Laura, Llobet, Antoni   +12 more
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Sodium Periodate as a Primary Oxidant for Water-Oxidation Catalysts

Inorganic Chemistry, 2012
Sodium periodate was characterized as a primary chemical oxidant for the catalytic evolution of oxygen at neutral pH using a variety of water-oxidation catalysts. The visible spectra of solutions formed from Cp*Ir(bpy)SO(4) during oxygen-evolution catalysis were measured.
Alexander R, Parent, Timothy P, Brewster, Wendy, De Wolf, Robert H, Crabtree, Gary W, Brudvig   +4 more
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The Importance of Oxides and Oxide–Water Reactions

2016
Earth is composed primarily of oxides (Fig. 1.1, Plate 1, Table 1.1). The interior is a iron-nickel core that represents 35% of the planetary mass. The core is encapsulated within a plastic zone called the mantle. Floating on top of the mantle, like the slag on top of a blast furnace, is a thin skin called the crust.
Bruce C. Bunker, William H. Casey
openaire   +1 more source

Single-Site, Catalytic Water Oxidation on Oxide Surfaces

Journal of the American Chemical Society, 2009
Electrocatalytic water oxidation occurs through the use of the phosphonate-derivatized single-site catalyst [Ru(Mebimpy)(4,4'-((HO)(2)OPCH(2))(2)bpy)(OH(2))](2+) [Mebimpy = 2,6-bis(1-methylbenzimidazol-2-yl)pyridine; bpy = 2,2'-bipyridine] at pH 1 and 5 on fluorine-doped SnO(2) or Sn(IV)-doped In(2)O(3) electrodes or on nanocrystalline TiO(2).
Zuofeng, Chen, Javier J, Concepcion, Jonah W, Jurss, Thomas J, Meyer   +3 more
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Surfactant-mediated electrodeposition of a water-oxidizing manganese oxide

Dalton Transactions, 2015
Use of sodium dodecyl sulfate (SDS) during electrodeposition improves the mechanical stability and catalytic activity of manganese dioxide for electrocatalytic water oxidation.
Wojciech T, Osowiecki, Stafford W, Sheehan, Karin J, Young, Alec C, Durrell, Brandon Q, Mercado, Gary W, Brudvig   +5 more
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