نتایج جستجو برای: organic materials

تعداد نتایج: 605405  

2013
Giuseppina Roviello Laura Ricciotti Claudio Ferone Francesco Colangelo Raffaele Cioffi Oreste Tarallo

The preparation and the characterization of novel geopolymer-based hybrid composites are reported. These materials have been prepared through an innovative synthetic approach, based on a co-reticulation in mild conditions of commercial epoxy based organic resins and a metakaolin-based geopolymer inorganic matrix. This synthetic strategy allows the obtainment of a homogeneous dispersion of the o...

2016
W. Montgomery G. D. Bromiley M. A. Sephton

Impact ejected rocks are targets for life detection missions to Mars. The Martian subsurface is more favourable to organic preservation than the surface owing to an attenuation of radiation and physical separation from oxidising materials with increasing depth. Impact events bring materials to the surface where they may be accessed without complicated drilling procedures. On Earth, different as...

Journal: :Advanced materials 2011
Xiaowei Zhan Antonio Facchetti Stephen Barlow Tobin J Marks Mark A Ratner Michael R Wasielewski Seth R Marder

Organic electron-transporting materials are essential for the fabrication of organic p-n junctions, photovoltaic cells, n-channel field-effect transistors, and complementary logic circuits. Rylene diimides are a robust, versatile class of polycyclic aromatic electron-transport materials with excellent thermal and oxidative stability, high electron affinities, and, in many cases, high electron m...

2016
Igor Huskić Igor V Pekov Sergey V Krivovichev Tomislav Friščić

Metal-organic frameworks (MOFs) are an increasingly important family of advanced materials based on open, nanometer-scale metal-organic architectures, whose design and synthesis are based on the directed assembly of carefully designed subunits. We now demonstrate an unexpected link between mineralogy and MOF chemistry by discovering that the rare organic minerals stepanovite and zhemchuzhnikovi...

2013
Ling-Hai Xie Su-Hui Yang Jin-Yi Lin Ming-Dong Yi Wei Huang

Author for correspondence: Wei Huang e-mail: [email protected] Fluorene-based macromolecular nanostructures and nanomaterials for organic (opto)electronics Ling-Hai Xie1, Su-Hui Yang1, Jin-Yi Lin1, Ming-Dong Yi1 and Wei Huang1,2 1Key Laboratory for Organic Electronics and Information Displays, Center for Molecular Systems and Organic Devices, Institute of Advanced Materials, Nanjing Univer...

2009
Elbio Dagotto

It is not news that organic polymers have been used as solar cell materials. They have a couple of advantages over conventional semiconductors. However, their efficiency remains relatively low due to limited absorption spectra and poor charge mobility. Among these materials, fullerene derivates shows great potential being effective electron acceptor. A combination of narrow-band donor and fulle...

2009
A. A. D. T. Adikaari D. M. N. M. Dissanayake S. R. P. Silva

Solution processed photovoltaic devices are an attractive alternative to costly inorganic semiconductor based conventional photovoltaics. Solution processable organic photovoltaic systems are affected by low carrier mobility, lifetime issues under ambient conditions and limited optical absorption due to the high bandgaps of organic materials. Nanostructured inorganic materials promise to allevi...

2016
Vitaliy Budarin Ignacio Aracil Stina Jansson

SHREDDERING AND SCREENING EXTRUDER PRESS COMBUSTIBLE FUEL FRACTION (FF) FINE FRACTION (organic matter and recyclable materials) WET ORGANIC FRACTION DRY NON-ORGANIC COMBUSTIBLE FRACTION (EFF) MUNICIPAL SOLID WASTE a r t i c l e i n f o

2016
Keith T. Butler Aron Walsh Anthony K. Cheetham Gregor Kieslich

Entropy is one of the fundamental quantities which links emerging research areas like flexibility and defect engineering in inorganic-organic hybrid materials. Additionally, a delicate balance between entropy and enthalpy can lead to intriguing temperature-driven transitions in such materials. Here, we briefly overview traditional material design principles, highlight the role of entropy in the...

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