نتایج جستجو برای: inorganic nanoparticles

تعداد نتایج: 179608  

Journal: :Chemical communications 2013
Min Wang Feng Wang Jiping Ma Chen Chen Song Shi Jie Xu

A superhydrophobic catalyst was prepared by immobilizing Pt nanoparticles on superhydrophobic organic-inorganic hybrid silicas, which showed high activity and selectivity in the oxidation of aliphatic alcohols to carboxylic acids.

2016
Mohamed Gamal Mohamed

Abstract: The organic/inorganic hybrid materials from polyhedral oligomeric silsesquioxane (POSS, inorganic nanoparticles) and polybenzoxazine (PBZ) have received much interesting recently due to their excellent thermal and mechanical properties, flame retardance, low dielectric constant, well-defined inorganic framework at nanosized scale level, and higher performance relative to those of non-...

Journal: :Chemical communications 2012
Avinash J Patil Ravinash Krishna Kumar Nicholas J Barron Stephen Mann

Hybrid supramolecular hydrogels are prepared by non-enzymatic dephosphorylation of N-fluorenylmethyloxycarbonyl tyrosine-(O)-phosphate (FMOC-Tyr-P) using catalytic cerium oxide nanoparticles. The organic-inorganic hydrogels exhibit enhanced viscoelastic properties compared with analogous materials prepared using alkaline phosphatase.

Journal: :Chemical communications 2008
Fabrice Goubard Pierre-Henri Aubert Kada Boukerma Emmanuel Pauthe Claude Chevrot

A method for the elaboration of a heterojunction composed on n-type inorganic semiconducting nanoparticles, TiO(2), and a p-type organic semiconducting polymer poly(3,4-ethylene dioxythiophene) by UV illumination is described.

Journal: :ACS applied materials & interfaces 2010
Lynell R Skewis Björn M Reinhard

Here we describe a simple yet efficient gel-matrix-assisted preparation method that improves synthetic control over the interface between inorganic nanomaterials and biopolymers and yields stable biofunctionalized silver nanoparticles. Covalent functionalization of the noble metal surface is aided by the confinement of polyethylene glycol acetic acid functionalized silver nanoparticles in thin ...

Journal: :Dalton transactions 2016
Emmanuel Ruggiero Silvia Alonso-de Castro Abraha Habtemariam Luca Salassa

The article highlights the emergent use of upconverting nanoparticles as tools for the near infrared photoactivation of transition metal complexes, identifying opportunities and challenges of this approach in the context of medicinal inorganic chemistry.

2009
Yu-Zhi Hao Yu-Long Zhang Li-Hua Wang Xiao-Yan Ju

The supported palladium nanoparticles catalyst with uniform-sized Pd particles distribution and without nitrogen or chlorine atoms present in catalyst was prepared by calcination of the supported [Pd(lysine·HCl)(Cl)2] complex as precursor and characterized by TEM. Moreover the supported [Pd(lysine·HCl)(Cl)2] complex was from cation exchanging [Pd(lysine·HCl)(Cl)2] complex with inorganic support...

Journal: :Nanoscale 2009
Grégory Franc Elena Badetti Vincent Collière Jean-Pierre Majoral Rosa María Sebastián Anne-Marie Caminade

15-Membered tri-olefinic azamacrocycles as end-groups of phosphorus-containing dendrimers from generation 1 to 4 are used for obtaining Pt nanoparticles in mild conditions; remarkable and unprecedented branched supramolecular assemblies composed of dendrimers and coalesced Pt nanoparticles are obtained, which become larger for higher dendrimer generations, affording for the first time a very un...

Journal: :Chemphyschem : a European journal of chemical physics and physical chemistry 2014
Doru Constantin Patrick Davidson

The development of nanostructured hybrid systems is a flourishing area of research, which brings together chemistry, physics and materials science. These systems are composed of nanoparticles with interesting properties (e.g. optical, magnetic, catalytic) dispersed within an organic matrix. Control of both the position and orientation of the particles in a precise and reproducible way is an imp...

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