Joseph A. Singh
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View article: Understanding Selectivity in CO2 Hydrogenation to Methanol for MoP Nanoparticle Catalysts Using In Situ Techniques
Understanding Selectivity in CO2 Hydrogenation to Methanol for MoP Nanoparticle Catalysts Using In Situ Techniques Open
Molybdenum phosphide (MoP) catalyzes the hydrogenation of CO, CO2, and their mixtures to methanol, and it is investigated as a high-activity catalyst that overcomes deactivation issues (e.g., formate poisoning) faced by conventional transi…
View article: Understanding Support Effects of ZnO‐Promoted Co Catalysts for Syngas Conversion to Alcohols Using Atomic Layer Deposition
Understanding Support Effects of ZnO‐Promoted Co Catalysts for Syngas Conversion to Alcohols Using Atomic Layer Deposition Open
Co 2 C, an emerging catalyst for the conversion of syngas to oxygenates, shows support‐sensitive behavior that has not yet been fully explained. Here, we characterize Co catalysts modified with ZnO atomic layer deposition on SiO 2 , carbon…
View article: Synthesis of a Hybrid Nanostructure of ZnO-Decorated MoS<sub>2</sub> by Atomic Layer Deposition
Synthesis of a Hybrid Nanostructure of ZnO-Decorated MoS<sub>2</sub> by Atomic Layer Deposition Open
We introduce the synthesis of hybrid nanostructures comprised of ZnO nanocrystals (NCs) decorating nanosheets and nanowires (NWs) of MoS2 prepared by atomic layer deposition (ALD). The concentration, size, and surface-to-volume …
View article: Understanding Structure–Property Relationships of MoO<sub>3</sub>-Promoted Rh Catalysts for Syngas Conversion to Alcohols
Understanding Structure–Property Relationships of MoO<sub>3</sub>-Promoted Rh Catalysts for Syngas Conversion to Alcohols Open
Rh-based catalysts have shown promise for the direct conversion of syngas to higher oxygenates. Although improvements in higher oxygenate yield have been achieved by combining Rh with metal oxide promoters, details of the structure of the …
View article: Role of Co<sub>2</sub>C in ZnO‐promoted Co Catalysts for Alcohol Synthesis from Syngas
Role of Co<sub>2</sub>C in ZnO‐promoted Co Catalysts for Alcohol Synthesis from Syngas Open
Controlling selectivity is a key goal in the design of a heterogeneous catalyst. Herein, we present detailed characterization and activity of silica‐supported cobalt catalysts modified by atomic layer deposition of ZnO. After reduction, th…
View article: <i>In situ</i> observation of phase changes of a silica-supported cobalt catalyst for the Fischer–Tropsch process by the development of a synchrotron-compatible <i>in situ/operando</i> powder X-ray diffraction cell
<i>In situ</i> observation of phase changes of a silica-supported cobalt catalyst for the Fischer–Tropsch process by the development of a synchrotron-compatible <i>in situ/operando</i> powder X-ray diffraction cell Open
In situ characterization of catalysts gives direct insight into the working state of the material. Here, the design and performance characteristics of a universal in situ synchrotron-compatible X-ray diffraction cell capable of operation a…
View article: Theoretical and Experimental Studies of CoGa Catalysts for the Hydrogenation of CO2 to Methanol
Theoretical and Experimental Studies of CoGa Catalysts for the Hydrogenation of CO2 to Methanol Open
View article: A Highly Active Molybdenum Phosphide Catalyst for Methanol Synthesis from CO and CO<sub>2</sub>
A Highly Active Molybdenum Phosphide Catalyst for Methanol Synthesis from CO and CO<sub>2</sub> Open
Methanol is a major fuel and chemical feedstock currently produced from syngas, a CO/CO 2 /H 2 mixture. Herein we identify formate binding strength as a key parameter limiting the activity and stability of known catalysts for methanol synt…
View article: A Highly Active Molybdenum Phosphide Catalyst for Methanol Synthesis from CO and CO<sub>2</sub>
A Highly Active Molybdenum Phosphide Catalyst for Methanol Synthesis from CO and CO<sub>2</sub> Open
Methanol is a major fuel and chemical feedstock currently produced from syngas, a CO/CO 2 /H 2 mixture. Herein we identify formate binding strength as a key parameter limiting the activity and stability of known catalysts for methanol synt…
View article: Understanding the Active Sites of CO Hydrogenation on Pt–Co Catalysts Prepared Using Atomic Layer Deposition
Understanding the Active Sites of CO Hydrogenation on Pt–Co Catalysts Prepared Using Atomic Layer Deposition Open
The production of liquid fuels and industrial feedstocks from renewable carbon sources is an ongoing scientific challenge. By using atomic layer deposition together with conventional techniques, we synthesize Pt–Co bimetallic catalysts tha…
View article: Area-Selective Atomic Layer Deposition of Metal Oxides on Noble Metals through Catalytic Oxygen Activation
Area-Selective Atomic Layer Deposition of Metal Oxides on Noble Metals through Catalytic Oxygen Activation Open
Area-selective atomic layer deposition (ALD) is envisioned to play a key role in next-generation semiconductor processing and can also provide new opportunities in the field of catalysis. In this work, we developed an approach for the area…
View article: Nanoengineering Heterogeneous Catalysts by Atomic Layer Deposition
Nanoengineering Heterogeneous Catalysts by Atomic Layer Deposition Open
A new generation of catalysts is needed to meet society's energy and resource requirements. Current catalyst synthesis does not fully achieve optimum control of composition, size, and structure. Atomic layer deposition (ALD) is an emerging…