Search Results - "Hughes, Robert A."

Catalytic Reduction of 4‑Nitrophenol: A Quantitative Assessment of the Role of Dissolved Oxygen in Determining the Induction Time by Menumerov, Eredzhep, Hughes, Robert A, Neretina, Svetlana

“…The reduction of 4-nitrophenol to 4-aminophenol by borohydride is one of the foremost model catalytic reactions because it allows for a straightforward…”
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Effect of Nanoparticle Ligands on 4‑Nitrophenol Reduction: Reaction Rate, Induction Time, and Ligand Desorption by Neal, Robert D, Hughes, Robert A, Sapkota, Pitambar, Ptasinska, Sylwia, Neretina, Svetlana

“…Ligands are the quintessential synthesis tool in the preparation of colloidal metal catalysts, allowing for the rational design of nanostructured surfaces with…”
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Noble Metal Nanostructure Synthesis at the Liquid–Substrate Interface: New Structures, New Insights, and New Possibilities by Neretina, Svetlana, Hughes, Robert A, Gilroy, Kyle D, Hajfathalian, Maryam

“…Modern technologically driven societies could not exist in their current form if it were not for a great many synthetic achievements reliant on solution-based…”
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Light-Mediated Growth of Noble Metal Nanostructures (Au, Ag, Cu, Pt, Pd, Ru, Ir, Rh) From Micro- and Nanoscale ZnO Tetrapodal Backbones by Demille, Trevor B, Hughes, Robert A, Preston, Arin S, Adelung, Rainer, Mishra, Yogendra Kumar, Neretina, Svetlana

“…Micro- and nanoscale ZnO tetrapods provide an attractive support for metallic nanostructures since they can be inexpensively produced using the flame transport…”
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Mechanistic study of substrate-based galvanic replacement reactions by Gilroy, Kyle D., Sundar, Aarthi, Farzinpour, Pouyan, Hughes, Robert A., Neretina, Svetlana

“…The sacrificial templates used in galvanic replacement reactions dictate the properties of the hollow metal nanostructures formed. Here, we demonstrate that…”
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Catalytic Reduction of 4‑Nitrophenol by Gold Catalysts: The Influence of Borohydride Concentration on the Induction Time by Neal, Robert D, Inoue, Yuko, Hughes, Robert A, Neretina, Svetlana

“…A comprehensive mechanistic framework is key to the effective utilization of model catalytic reactions. Although the reduction of 4-nitrophenol by borohydride…”
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Substrate-based galvanic replacement reactions carried out on heteroepitaxially formed silver templates by Gilroy, Kyle D., Farzinpour, Pouyan, Sundar, Aarthi, Tan, Teng, Hughes, Robert A., Neretina, Svetlana

“…Galvanic replacement reactions have been widely used to transform solution dispersed silver template structures into intricate nanoshell geometries. Here, we…”
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Site-Selective Deposition of Silica Nanoframes and Nanocages onto Faceted Gold Nanostructures Using a Primer-free Tetraethyl Orthosilicate Synthesis by Nieukirk, Brendan D., Tang, Runze, Hughes, Robert A., Neretina, Svetlana

“…The Stöber method for forming spherical silica colloids is well-established as one of the pillars of colloidal synthesis. In a modified form, it has been…”
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Plasmon Field Effects on the Nonradiative Relaxation of Hot Electrons in an Electronically Quantized System: CdTe−Au Core−Shell Nanowires by Neretina, Svetlana, Qian, Wei, Dreaden, Erik, El-Sayed, Mostafa A, Hughes, Robert A, Preston, John S, Mascher, Peter

“…The intense electromagnetic fields of plasmonic nanoparticles, resulting from the excitation of their localized surface plasmon oscillations, are known to…”
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Plasmon-Mediated Synthesis of Periodic Arrays of Gold Nanoplates Using Substrate-Immobilized Seeds Lined with Planar Defects by Golze, Spencer D, Hughes, Robert A, Rouvimov, Sergei, Neal, Robert D, Demille, Trevor B, Neretina, Svetlana

“…The seed-mediated growth of noble metal nanostructures with planar geometries requires the use of seeds lined with parallel stacking faults so as to provide a…”
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Ion Beam Milling as a Symmetry-Breaking Control in the Synthesis of Periodic Arrays of Identically Aligned Bimetallic Janus Nanocrystals by Tuff, Walker J, Hughes, Robert A, Golze, Spencer D, Neretina, Svetlana

“…Bimetallic Janus nanostructures represent a highly functional class of nanomaterials due to important physicochemical properties stemming from the union of two…”
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Low-Cost Nanostructures from Nanoparticle-Assisted Large-Scale Lithography Significantly Enhance Thermal Energy Transport across Solid Interfaces by Lee, Eungkyu, Menumerov, Eredzhep, Hughes, Robert A, Neretina, Svetlana, Luo, Tengfei

“…Enhancing thermal energy transport across solid interfaces is of critical importance to a wide variety of applications ranging from energy systems and lighting…”
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Plasmonics under Attack: Protecting Copper Nanostructures from Harsh Environments by Preston, Arin S, Hughes, Robert A, Demille, Trevor B, Neretina, Svetlana

“…The functionality of well-tailored nanomaterials can only be retained if they are robust to the environmental factors in which they operate. The inability of…”
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Periodic Arrays of Dewetted Silver Nanostructures on Sapphire and Quartz: Effect of Substrate Truncation on the Localized Surface Plasmon Resonance and Near-Field Enhancement by Demille, Trevor B, Hughes, Robert A, Neretina, Svetlana

“…Substrate-supported plasmonic nanostructures are distinct from their colloidal counterparts, in that they are surrounded by an asymmetric dielectric…”
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Kinetically Controlled Nucleation of Silver on Surfactant-Free Gold Seeds by Gilroy, Kyle D, Hughes, Robert A, Neretina, Svetlana

“…We report on the heterogeneous nucleation of Ag on Au seeds using a surfactant-free synthesis where nanoparticle aggregation is nullified through the…”
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Sacrificial Templates for Galvanic Replacement Reactions: Design Criteria for the Synthesis of Pure Pt Nanoshells with a Smooth Surface Morphology by Gilroy, Kyle D, Farzinpour, Pouyan, Sundar, Aarthi, Hughes, Robert A, Neretina, Svetlana

“…The galvanic replacement of sacrificial templates offers one of the most synthetically viable approaches for generating platinum-based nanostructures with…”
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Photocatalytic Enhancements to the Reduction of 4‑Nitrophenol by Resonantly Excited Triangular Gold–Copper Nanostructures by Hajfathalian, Maryam, Gilroy, Kyle D, Yaghoubzade, Ali, Sundar, Aarthi, Tan, Teng, Hughes, Robert A, Neretina, Svetlana

“…The reduction of 4-nitrophenol to 4-aminophenol by sodium borohydride serves as a well-established model reaction for assessing the catalytic activity of metal…”
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Stabilization of Plasmonic Silver Nanostructures with Ultrathin Oxide Coatings Formed Using Atomic Layer Deposition by Preston, Arin S, Hughes, Robert A, Dominique, Nathaniel L, Camden, Jon P, Neretina, Svetlana

“…Even though performance metrics position silver as the preeminent plasmonic material in the visible and near-infrared regions of the electromagnetic spectrum,…”
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Citrate-Induced Nanocubes: A Re-Examination of the Role of Citrate as a Shape-Directing Capping Agent for Ag-Based Nanostructures by Hajfathalian, Maryam, Gilroy, Kyle D., Hughes, Robert A., Neretina, Svetlana

“…Seed‐mediated syntheses utilizing facet‐selective surface passivation provide the necessary chemical controls to direct noble metal nanostructure formation to…”
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Sequential Symmetry-Breaking Events as a Synthetic Pathway for Chiral Gold Nanostructures with Spiral Geometries by Golze, Spencer D, Porcu, Stefania, Zhu, Chen, Sutter, Eli, Ricci, Pier Carlo, Kinzel, Edward C, Hughes, Robert A, Neretina, Svetlana

“…Symmetry-breaking synthetic controls allow for nanostructure geometries that are counter to the underlying crystal symmetry of a material. If suitably applied,…”
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