نتایج جستجو برای: bimetallic deposits

تعداد نتایج: 32559  

Journal: :Chemical communications 2008
Ben Conway David V Graham Eva Hevia Alan R Kennedy Jan Klett Robert E Mulvey

The new synergic base [PMDETA.K(TMP)(Et)Zn(Et)] selectively zincates 4-(dimethylamino)pyridine at the 2-position and 4-methoxypyridine at the 3-position, to afford bimetallic potassium pyridylzinc complexes each displaying a novel, but remarkably different, structure.

Journal: :Chemical communications 2006
Aaron M Brown Maxim V Ovchinnikov Charlotte L Stern Chad A Mirkin

The reaction of a heteroligated Rh(I) bimetallic macrocycle with rigid ditopic ligands (1,4-dicyanobenzene, 4-4'-dicyanobiphenyl, or dipyridyl terminated salen ligand 5) results in the formation of tetrametallic rectangular box complexes.

Journal: :Chemical communications 2013
Alexandre Hervé Nicolas Garin Pierre Thuéry Michel Ephritikhine Jean-Claude Berthet

Reaction of the linear thorocene with NC(-), N3(-) and H(-) led to the bent derivatives [(Cot)2Th(X)](-) (X = CN, N3) and the bimetallic [{(Cot)2Th}2(μ-H)](-), whereas only [(Cot)2U(CN)](-) could be formed from (Cot)2U.

Journal: :Chemical communications 2016
Chao Li Xiaoshi Hu Xiaobing Lou Qun Chen Bingwen Hu

Bimetallic coordination polymers (BiCPs) with Zn and Co were synthesized and applied as anode materials. When the rate was increased to 2 A g(-1), a capacity of 622 mA h g(-1) after 500 cycles could still be maintained.

Journal: :Chemical communications 2009
Rudrajit Mal Nisha Mittal Thomas J Emge Daniel Seidel

A facile synthesis of a new bisoxazoline ligand is described. This ligand contains a urea bridging unit and is capable of stabilizing bimetallic complexes. An X-ray crystal structure of a bis-copper complex is reported.

2015
Thuan Minh Huynh Udo Armbruster Luong Huu Nguyen Duc Anh Nguyen Andreas Martin

Two series of bimetallic Ni-Co catalysts and corresponding monometallic catalysts with ca. 20 wt% metal loading were evaluated in hydrodeoxygenation (HDO) of phenol as a model compound for bio-oil. The bimetallic catalysts outperformed the corresponding monometallic catalyst in terms of conversion and cyclohexane selectivity. This could be attributed to the formation of Ni-Co alloy, which cause...

2012
Kevin Deplanche Mohamed L. Merroun Merixtell Casadesus Dung T. Tran Iryna P. Mikheenko James A. Bennett Ju Zhu Ian P. Jones Gary A. Attard J. Wood Sonja Selenska-Pobell Lynne E. Macaskie

We report a novel biochemical method based on the sacrificial hydrogen strategy to synthesize bimetallic gold (Au)-palladium (Pd) nanoparticles (NPs) with a core/shell configuration. The ability of Escherichia coli cells supplied with H(2) as electron donor to rapidly precipitate Pd(II) ions from solution is used to promote the reduction of soluble Au(III). Pre-coating cells with Pd(0) (bioPd) ...

2013
Wen-Yueh Yu Gregory M. Mullen Buddie Mullins

Pd−Au bimetallic catalysts have shown promising performance in numerous reactions that involve hydrogen. Fundamental studies of hydrogen interactions with Pd−Au surfaces could provide useful insights into the reaction mechanisms over Pd−Au catalysts, which may, in turn, guide future catalyst design. In this study, the interactions of hydrogen (i.e., adsorption, absorption, diffusion, and desorp...

2014
Shuai He Malvin Wei Cherng Kang E Kirubha P K Palanisamy

In recent years there has been excessive progress in the ‘green’ chemistry approach for the synthesis of gold and silver nanoparticles. Bimetallic nanoparticles have gained special significance due to their unique tunable optical properties. Herein we report a facile one-pot, ecofriendly synthesis of Au–Ag bimetallic core–shell nanoparticles using gripe water as reducing as well as stabilizing ...

Journal: :Dalton transactions 2013
Yu Chen Qihua Wang Tingmei Wang

A general method has been developed for the fabrication of highly dispersed and thermally stable bimetallic Au-Ag nanoparticles (NPs) stabilized on the inner wall of a mesoporous silica shell. In our approach, gold particles were formed in the first step on carbon spheres decorated with Sn(2+) cations. Upon Ag(+) adsorption and reduction by l-ascorbic acid in the second step, specific nanoparti...

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