|
Computational Screening of Near-Surface Alloys for CO2 Electroreduction
10.1021/acscatal.7b03705 2018-04-03 Electrochemical conversion of carbon dioxide (CO2) into chemical feedstocks provides an attractive solution to our pressing energy and environment problems. Here, we report that transition metal near-surface alloys (NSAs) are promising catalysts for CO2 elect... |
|
|
Bioinspired Engineering of Cobalt-Phosphonate Nanosheets for Robust Hydrogen Evolution Reaction
10.1021/acscatal.7b04276 2018-04-03 The conversion of water to hydrogen (hydrogen evolution reaction, HER) in regenerative fuel cells promises an environmentally friendly framework for smoothing out the energy crisis. However, addressing this issue depends on the development of efficient electr... |
|
|
Experimental and Theoretical Investigation of Mesoporous MnO2 Nanosheets with Oxygen Vacancies for High-Efficiency Catalytic DeNOx
10.1021/acscatal.8b00267 2018-04-03 A solvent-free synthetic method was employed for the construction of mesoporous α-MnO2 nanosheets. Benefiting from a solid interface reaction, the obtained MnO2 nanosheets with large oxygen vacancies exhibit a high surface area of up to 339 m2/g and a mesopor... |
|
|
Atomically Dispersed Co and Cu on N-Doped Carbon for Reactions Involving C–H Activation
10.1021/acscatal.8b00141 2018-04-03 Atomically dispersed Co(II) cations coordinated to nitrogen in a carbon matrix (Co-N-C) catalyze oxidative dehydrogenation of benzyl alcohol in water with a specific activity approaching that of supported Pt nanoparticles. Whereas Cu(II) cations in N-doped ca... |
|
|
The Selective Species in Ethylene Epoxidation on Silver
10.1021/acscatal.8b00660 2018-04-03 Silver’s unique ability to selectively oxidize ethylene to ethylene oxide under an oxygen atmosphere has long been known. Today it is the foundation of ethylene oxide manufacturing. Yet, the mechanism of selective epoxide production is unknown. Here we use a ... |
|
|
Elucidating the Roles of the Electric Fields in Catalysis: A Perspective
10.1021/acscatal.7b02899 2018-04-02 This Perspective illustrates how the presence of internal and external electric fields can affect catalytic activity and selectivity, with a focus on heterogeneous catalysts. Specifically, experimental investigations of the electric field influence on catalys... |
|
|
Ethanol partial oxidation over VOx/TiO2 catalysts: the role of titania surface oxygen on the vanadia reoxidation in the Mars-van Krevelen mechanism
10.1021/acscatal.7b03327 2018-04-02 The mechanism for the reoxidation step in the Mars-van Krevelen mechanism for ethanol partial oxidation over vanadia anchored on titanium oxide is examined. Kinetic parameters such as ethanol heat of adsorption, the activation energy for the rate-limiting ste... |
|
|
Role of Carbonaceous Aerosols in Catalyzing Sulfate Formation
10.1021/acscatal.7b04195 2018-04-02 The persistent and fast formation of sulfate is a primary factor driving the explosive growth of fine particles and exacerbating China’s severe haze development. However, the underlying mechanism for the persistent production of sulfate remains highly uncerta... |
|
|
Anion Resistant Oxygen Reduction Electrocatalyst in Phosphoric Acid Fuel Cell
10.1021/acscatal.8b00390 2018-04-02 Phosphoric acid fuel cells are successfully used as energy conversion technologies in stationary power applications. However, decreased proton conductivity and lower oxygen permeability of phosphoric-acid-imbibed membranes require prohibitive loadings of the ... |
|
|
Engineering Cobalt Defects in Cobalt Oxide for Highly Efficient Electrocatalytic Oxygen Evolution
10.1021/acscatal.8b01046 2018-04-02 Defect engineering is an effective way to modulate the electric states and provide active sites for electrocatalytic reactions. However, most studied oxygen vacancies are unstable and susceptible under the oxygen circumstance. Here, we fabricated cobalt-defec... |