Hierarchical flowerlike magnesium oxide hollow spheres with extremely high surface area for adsorption and catalysis

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Adsorption sites of individual metal atoms on ultrathin MgO(100) films

Harald Brune, François Patthey, Fabio Donati, Edgar Fernandes, Zeljko Sljivancanin

We use Ca doping during growth of one- and two-monolayer-thick MgO films on Ag(100) to identify the adsorption sites of individual adatoms with scanning tunnelingmicroscopy. For thiswe combine atomic resolution images of the bare MgO layer with images of t ...

Amer Physical Soc2017

Effect of Boron Doping On Graphene Oxide for Ammonia Adsorption

Andreas Züttel, Heena Yang, Youngdon Ko

Boron doped graphene oxide (B-GO) is a highly effective adsorbent for ammonia due to the high density of strong Lewis acid sites arising from the boron. GO was doped by various amounts of boron described as xB-GO (x= 1.0, 3.0, and 5.0). B-GO was successful ...

Wiley-V C H Verlag Gmbh2017

Impact of the strength and spatial distribution of adsorption sites on methane deliverable capacity in nanoporous materials

Berend Smit, Cory Matthew Simon

The methane deliverable capacity of adsorbent materials is a critical performance metric that will determine the viability of using adsorbed natural gas (ANG) technology in vehicular applications. ARPA-E recently set a target deliverable capacity of 315 cc ...

Elsevier2017

Quantum State–Resolved Studies of Chemisorption Reactions

Rainer Beck, Helen Jane Chadwick

Chemical reactions at the gas–surface interface are ubiquitous in the chemical industry as well as in nature. Investigating these processes at a microscopic, quantum state–resolved level helps develop a predictive understanding of this important class of r ...

Annual Reviews2017

High-throughput computational screening of nanoporous adsorbents for CO2 capture from natural gas

Berend Smit, Efrem Daniel Braun, Sondre Kvalvag Schnell

With the growth of natural gas as an energy source, upgrading CO2-contaminated supplies has become increasingly important. Here we develop a single metric that captures how well an adsorbent performs the separation of CH4 and CO2, and we then use this metr ...

Royal Soc Chemistry2016

Atomistic Simulations of Silicate Species Interaction with Portlandite Surfaces

Paul Bowen, Sandra Caroline Galmarini, Aslam Kunhi Mohamed

Portlandite (Ca(OH)(2), CH) is the second most abundant hydrate formed in the reaction of Portland cement with water, making it an important component in the built environment. Formation of CH is closely linked to the growth of the main hydrate phase, calc ...

American Chemical Society2016

Activated carbon fibers modified by metal oxide as effective structured adsorbents for acetaldehyde

Lioubov Kiwi, Guillaume Bastien Baur

Novel efficient adsorbents for acetaldehyde removal from diluted gas streams (similar to 1300 ppmv) have been developed. The adsorbents combine the properties of activated carbon fibers (ACF) and nanoparticles (NPs) of basic metal oxides (La2O3, CaO, MgO, ...

Elsevier Science Bv2015

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Impact of the strength and spatial distribution of adsorption sites on methane deliverable capacity in nanoporous materials

Berend Smit, Cory Matthew Simon

Elsevier2017