Search Results - "Christopher, Phillip"

Hot Charge Carrier Transmission from Plasmonic Nanostructures by Christopher, Phillip, Moskovits, Martin

“…Surface plasmons have recently been harnessed to carry out processes such as photovoltaic current generation, redox photochemistry, photocatalysis, and…”
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Approaches for Understanding and Controlling Interfacial Effects in Oxide-Supported Metal Catalysts by Ro, Insoo, Resasco, Joaquin, Christopher, Phillip

“…Heterogeneous supported metal catalysts are critical for a wide range of chemical conversion technologies. While the fundamental properties of extended metal…”
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Singular characteristics and unique chemical bond activation mechanisms of photocatalytic reactions on plasmonic nanostructures by Christopher, Phillip, Xin, Hongliang, Marimuthu, Andiappan, Linic, Suljo

“…The field of heterogeneous photocatalysis has almost exclusively focused on semiconductor photocatalysts. Herein, we show that plasmonic metallic…”
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Visible-light-enhanced catalytic oxidation reactions on plasmonic silver nanostructures by Christopher, Phillip, Xin, Hongliang, Linic, Suljo

“…Catalysis plays a critical role in chemical conversion, energy production and pollution mitigation. High activation barriers associated with rate-limiting…”
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Utilizing Quantitative in Situ FTIR Spectroscopy To Identify Well-Coordinated Pt Atoms as the Active Site for CO Oxidation on Al2O3‑Supported Pt Catalysts by Kale, Matthew J, Christopher, Phillip

“…Relationships between geometric structures of active metallic sites and areal rates of reaction (structure sensitivity) are extensively studied for supported…”
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Nature of stable single atom Pt catalysts dispersed on anatase TiO2 by Thang, Ho Viet, Pacchioni, Gianfranco, DeRita, Leo, Christopher, Phillip

“…[Display omitted] •The atomistic nature of Pt single atom catalysts on anatase TiO2 is demonstrated.•The isolated Ptiso species consist of a PtO2…”
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Direct Photocatalysis by Plasmonic Nanostructures by Kale, Matthew J, Avanesian, Talin, Christopher, Phillip

“…Recent reports have shown that plasmonic nanostructures can be used to drive direct photocatalysis with visible photons, where nanostructures act as the light…”
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Isolated Metal Active Site Concentration and Stability Control Catalytic CO2 Reduction Selectivity by Matsubu, John C, Yang, Vanessa N, Christopher, Phillip

“…CO2 reduction by H2 on heterogeneous catalysts is an important class of reactions that has been studied for decades. However, atomic scale details of…”
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Catalyst Architecture for Stable Single Atom Dispersion Enables Site-Specific Spectroscopic and Reactivity Measurements of CO Adsorbed to Pt Atoms, Oxidized Pt Clusters, and Metallic Pt Clusters on TiO2 by DeRita, Leo, Dai, Sheng, Lopez-Zepeda, Kimberly, Pham, Nicholas, Graham, George W, Pan, Xiaoqing, Christopher, Phillip

“…Oxide-supported precious metal nanoparticles are widely used industrial catalysts. Due to expense and rarity, developing synthetic protocols that reduce…”
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Engineering Selectivity in Heterogeneous Catalysis: Ag Nanowires as Selective Ethylene Epoxidation Catalysts by Christopher, Phillip, Linic, Suljo

“…Controlling selectivity in heterogeneous catalysis is critical for the design of environmentally friendly catalytic processes that minimize the production of…”
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Rh single atoms on TiO2 dynamically respond to reaction conditions by adapting their site by Tang, Yan, Asokan, Chithra, Xu, Mingjie, Graham, George W., Pan, Xiaoqing, Christopher, Phillip, Li, Jun, Sautet, Philippe

“…Single-atom catalysts are widely investigated heterogeneous catalysts; however, the identification of the local environment of single atoms under experimental…”
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Quantifying hot carrier and thermal contributions in plasmonic photocatalysis by Zhou, Linan, Swearer, Dayne F, Zhang, Chao, Robatjazi, Hossein, Zhao, Hangqi, Henderson, Luke, Dong, Liangliang, Christopher, Phillip, Carter, Emily A, Nordlander, Peter, Halas, Naomi J

“…Photocatalysis based on optically active, "plasmonic" metal nanoparticles has emerged as a promising approach to facilitate light-driven chemical conversions…”
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Mechanism of CO2 reduction by H2 on Ru(0001) and general selectivity descriptors for late-transition metal catalysts by Avanesian, Talin, Gusmão, Gabriel S., Christopher, Phillip

“…[Display omitted] •CO2 reduction by H2 on Ru studied with DFT calculations and microkinetic modeling.•CO∗ is common intermediate for competing CH4 and CO…”
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Adsorbate Specificity in Hot Electron Driven Photochemistry on Catalytic Metal Surfaces by Avanesian, Talin, Christopher, Phillip

“…Visible light driven catalysis on metal surfaces and nanoparticles has attracted significant attention in recent years as a potential route for driving…”
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Balancing Near-Field Enhancement, Absorption, and Scattering for Effective Antenna–Reactor Plasmonic Photocatalysis by Li, Kun, Hogan, Nathaniel J, Kale, Matthew J, Halas, Naomi J, Nordlander, Peter, Christopher, Phillip

“…Efficient photocatalysis requires multifunctional materials that absorb photons and generate energetic charge carriers at catalytic active sites to facilitate…”
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Plasmons at the interface by Kale, Matthew J, Christopher, Phillip

“…Extraction of light-induced electrons is enhanced by interface control [Also see Report by Wu et al. ] Absorption of photons by solid materials is critical for…”
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Structural evolution of atomically dispersed Pt catalysts dictates reactivity by DeRita, Leo, Resasco, Joaquin, Dai, Sheng, Boubnov, Alexey, Thang, Ho Viet, Hoffman, Adam S., Ro, Insoo, Graham, George W., Bare, Simon R., Pacchioni, Gianfranco, Pan, Xiaoqing, Christopher, Phillip

“…The use of oxide-supported isolated Pt-group metal atoms as catalytic active sites is of interest due to their unique reactivity and efficient metal…”
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Support Induced Control of Surface Composition in Cu–Ni/TiO2 Catalysts Enables High Yield Co-Conversion of HMF and Furfural to Methylated Furans by Seemala, Bhogeswararao, Cai, Charles M, Wyman, Charles E, Christopher, Phillip

“…5-(Hydroxymethyl)­furfural (HMF) and furfural (FF) have been identified as valuable biomass-derived fuel precursors suitable for catalytic hydrodeoxygenation…”
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Controlling Catalytic Selectivity on Metal Nanoparticles by Direct Photoexcitation of Adsorbate–Metal Bonds by Kale, Matthew J, Avanesian, Talin, Xin, Hongliang, Yan, Jun, Christopher, Phillip

“…Engineering heterogeneous metal catalysts for high selectivity in thermal driven reactions typically involves the synthesis of nanostructures with…”
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Shape- and Size-Specific Chemistry of Ag Nanostructures in Catalytic Ethylene Epoxidation by Christopher, Phillip, Linic, Suljo

“…Catalytic selectivity in the epoxidation of ethylene to form ethylene oxide on alumina‐supported silver catalysts is dependent on the geometric structure of…”
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