scholarly journals Ionic Liquids Mediated Ionothermal Process for the One-Step Synthesis of High Surface Area Alumina Supported Noble Metals

2013 ◽  
Vol 02 (02) ◽  
pp. 28-35 ◽  
Author(s):  
Magali Bonne ◽  
Pierrick Gaudin ◽  
Yanlong Gu ◽  
François Jérôme ◽  
Yannick Pouilloux ◽  
...  
Keyword(s):  
Ionic Liquids ◽  
Surface Area ◽  
Noble Metals ◽  
High Surface ◽  
High Surface Area ◽  
One Step ◽  
Supported Noble Metals ◽  
The One

Supercritical flow synthesis of PtPdFe alloyed nanoparticles with enhanced low-temperature activity and thermal stability for propene oxidation under lean exhaust gas conditions

2019 ◽  
Vol 9 (23) ◽  
pp. 6691-6699
Author(s):  
Hugo Silva ◽  
Patricia Hernandez-Fernandez ◽  
Ane K. Baden ◽  
Henrik L. Hellstern ◽  
Anton Kovyakh ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Low Temperature ◽  
Surface Area ◽  
High Surface ◽  
High Surface Area ◽  
Exhaust Gas ◽  
Propene Oxidation ◽  
Supercritical Flow ◽  
One Step ◽  
The One

Supercritical flow technology was used for the one step production of PtPd and PtPdFe nanoparticles supported on high surface area γ-Al2O3.

scholarly journals High-surface-area α-Fe2O3/carbon nanocomposite: one-step synthesis and its highly reversible and enhanced high-rate lithium storage properties

2010 ◽  
Vol 20 (11) ◽  
pp. 2092 ◽  
Author(s):  
Shu-Lei Chou ◽  
Jia-Zhao Wang ◽  
David Wexler ◽  
Konstantin Konstantinov ◽  
Chao Zhong ◽  
...  
Keyword(s):  
Surface Area ◽  
High Surface ◽  
High Surface Area ◽  
High Rate ◽  
Lithium Storage ◽  
One Step ◽  
Storage Properties ◽  
Carbon Nanocomposite

HSA-Cercanam®: A New Material with a Continuous Nanopore Network

2003 ◽  
Vol 788 ◽  
Author(s):  
A. Akash ◽  
B. Nair ◽  
K. Minnick ◽  
M. Wilson ◽  
J. Hartvigsen
Keyword(s):  
Surface Area ◽  
High Surface ◽  
High Surface Area ◽  
Unique Nature ◽  
Catalyst Type ◽  
Reaction Chambers ◽  
New Material ◽  
One Step ◽  
Very High ◽  
Functional Ceramic

ABSTRACTA novel nano-ceramic material, called HSA-CERCANAM®, which has a very high surface area with a nanopore network has been developed. HSA-CERCANAM® can be casted in various shapes and forms resulting in a monolithic piece that has surface area as high as 80–100 m2/g. The surface area and the nanopore network of HSA-CERCANAM® remains stable at temperatures as high as 1000°C. Furthermore, the unique nature of HSA-CERCANAM® allows it to be casted on and around features, either sacrificial or permanent. Using sacrificial features, microchannels can be incorporated internally into the monolithic HSA-CERCANAM® piece in a simple, one-step process. Further, this monolithic ceramic component, which has an intrinsically high surface area and a nanopore network, can be infiltrated with a desired catalyst. This could offer clear technological advantages over currently available microreactors. The surface area, porosity, catalyst type and infiltration levels are some of the ways in which tailored microstructures can be realized in components such as mixers, heat exchangers, extractors, filters or reaction chambers thereby leading to highly efficient, multi-functional ceramic micro-devices.

One-pot aerobic oxidative sulfonamidation of aromatic thiols with ammonia by a dual-functional β-MnO2 nanocatalyst

2020 ◽  
Vol 56 (14) ◽  
pp. 2095-2098 ◽  
Author(s):  
Eri Hayashi ◽  
Yui Yamaguchi ◽  
Yusuke Kita ◽  
Keigo Kamata ◽  
Michikazu Hara
Keyword(s):  
High Activity ◽  
Surface Area ◽  
High Surface ◽  
High Surface Area ◽  
One Pot ◽  
Dual Functional ◽  
Aromatic Thiols ◽  
The One

High-surface-area β-MnO2 nanoparticles exhibited high activity for the one-pot oxidative sulfonamidation of thiols to sulfonamides using O2 and NH3.

Synthesis of Nanoporous Materials Al-MCM-41 from Natural Halloysite

NANO ◽  
2015 ◽  
Vol 10 (01) ◽  
pp. 1550005 ◽  
Author(s):  
Yaling Xie ◽  
Aidong Tang ◽  
Huaming Yang
Keyword(s):  
Surface Area ◽  
High Surface ◽  
High Surface Area ◽  
Halloysite Nanotubes ◽  
Nanoporous Materials ◽  
Molar Ratio ◽  
Molar Ratios ◽  
Naoh Solution ◽  
The One ◽  
Mcm 41

Nanoporous materials Al -MCM-41 with varying Si / Al molar ratios have been successfully synthesized from natural clay mineral halloysite nanotubes (HNTs). Hydrothermal treatment of acid-pretreated HNTs and NaOH solution resulted in the one-step synthesis of final nanoporous products by using surfactant. The effects of Si / Al molar ratios (7.7, 61.0 and 176.5) on the surface area, porosity and degree of structural order of Al -MCM-41 materials have been investigated by X-ray diffraction (XRD), transmission electron microscopy (TEM), N 2 adsorption–desorption measurements and Fourier transform infrared (FTIR) spectra techniques. The results indicated that Si / Al molar ratio had important effect on the characteristics of nanoporous materials, and Al -MCM-41 with an intermediate Si / Al molar ratio of 61.0 exhibited excellent characteristics with high degree of order, high surface area (S BET ) of 1033 m2/g and pore volume of 0.92 mL/g.

scholarly journals Enzyme immobilised novel core–shell superparamagnetic nanocomposites for enantioselective formation of 4-(R)-hydroxycyclopent-2-en-1-(S)-acetate

2014 ◽  
Vol 50 (76) ◽  
pp. 11185-11187 ◽  
Author(s):  
Maneea Eizadi Sharifabad ◽  
Ben Hodgson ◽  
Mourad Jellite ◽  
Tim Mercer ◽  
Tapas Sen
Keyword(s):  
Surface Area ◽  
High Surface ◽  
High Surface Area ◽  
Superparamagnetic Nanoparticles ◽  
Core Shell ◽  
One Step

One step conversion of meso-cyclopent-2-en-1,4-diacetate to pharmaceutically important chiral isomers using enzymes immobilised novel high surface area core–shell superparamagnetic nanoparticles.

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