نتایج جستجو برای: nanocarbons

تعداد نتایج: 199  

Journal: :ChemEngineering 2022

The synthesis and applications of composites based on layered double hydroxides (LDHs) nanocarbons have recently seen great development. On the one hand, LDHs are versatile 2D compounds that present a plethora applications, from medicine to energy conversion, environmental remediation, heterogeneous catalysis. other, unique physical chemical properties owing their low-dimensional structure sp2 ...

Journal: :Nature Synthesis 2022

Abstract Technologies for the creation of topological carbon nanostructures have greatly advanced synthetic organic chemistry and materials science. Although simple molecular nanocarbons with a belt topology been constructed, analogous nanobelts twist—more specifically, Möbius (MCNBs)—have not yet synthesized owing to their high intrinsic strain. Here we report synthesis, isolation characteriza...

2004
Chi-Young Lee

Halides were used as the precursors to prepare various kinds of materials by stripped off the halogens. Metals, metal silicides and carbon related materials could be prepared by using metal halides, silicon halides and carbon halides as the precursors. Some active metals and active meta stable species were used as stripping reagents.

2010
Han Hu Zongbin Zhao Quan Zhou Jieshan Qiu

Introduction Nanocarbons have attracted worldwide attention in nanoscience and nanotechnology communities during the past two decade because of their unique mechanical and electrical properties, which make them great potential in catalysis, electrochemical devices, field emission devices and composites[1-2]. However, the high cost and low yield for production of these materials remains the bott...

2014
S. de Llobet I. Suelves J. Arroyo A. Ramos N. Cuesta Miguel Luesma María de Luna Francisco Pintado

Catalytic Decomposition of Biogas (CDB), producing simultaneously syngases (SG), with high hydrogen contents, for spark ignition (SI) engines and bio-carbon nanofibers (BCNFs) to be further used as precursor of synthetic graphite, is presented as an alternative to the usual direct combustion. Synthetic biogas mixtures were decomposed in the presence of a Ni catalyst at different temperatures an...

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