Search Results - "DuChene, Joseph S"
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Quantifying the role of surface plasmon excitation and hot carrier transport in plasmonic devices
Published in Nature communications (23-08-2018)“…Harnessing photoexcited “hot” carriers in metallic nanostructures could define a new phase of non-equilibrium optoelectronics for photodetection and…”
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Ultrafast hot-hole injection modifies hot-electron dynamics in Au/p-GaN heterostructures
Published in Nature materials (01-12-2020)“…A fundamental understanding of hot-carrier dynamics in photo-excited metal nanostructures is needed to unlock their potential for photodetection and…”
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3
Hot-Hole versus Hot-Electron Transport at Cu/GaN Heterojunction Interfaces
Published in ACS nano (26-05-2020)“…Among all plasmonic metals, copper (Cu) has the greatest potential for realizing optoelectronic and photochemical hot-carrier devices, thanks to its CMOS…”
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Optical Excitation of a Nanoparticle Cu/p-NiO Photocathode Improves Reaction Selectivity for CO2 Reduction in Aqueous Electrolytes
Published in Nano letters (08-04-2020)“…We report the light-induced modification of catalytic selectivity for photoelectrochemical CO2 reduction in aqueous media using copper (Cu) nanoparticles…”
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5
Imparting functionality to a metal–organic framework material by controlled nanoparticle encapsulation
Published in Nature chemistry (19-02-2012)“…Microporous metal–organic frameworks (MOFs) that display permanent porosity show great promise for a myriad of purposes. The potential applications of MOFs can…”
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6
Surface Plasmon-Driven Water Reduction: Gold Nanoparticle Size Matters
Published in Journal of the American Chemical Society (16-07-2014)“…Water reduction under two different visible-light ranges (λ > 400 nm and λ > 435 nm) was investigated in gold-loaded titanium dioxide (Au-TiO2)…”
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Halide Anions as Shape-Directing Agents for Obtaining High-Quality Anisotropic Gold Nanostructures
Published in Chemistry of materials (23-04-2013)“…The fundamental role of halide anions in the seed-mediated synthesis of anisotropic noble metal nanostructures has been a subject of debate within the…”
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8
Nanoporous Gold as a Highly Selective and Active Carbon Dioxide Reduction Catalyst
Published in ACS applied energy materials (28-01-2019)“…Electrochemical conversion of CO2 into useful chemicals is a promising approach for transforming CO2 into sustainably produced fuels and/or chemical feedstocks…”
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9
Hot Hole Collection and Photoelectrochemical CO2 Reduction with Plasmonic Au/p-GaN Photocathodes
Published in Nano letters (11-04-2018)“…Harvesting nonequilibrium hot carriers from plasmonic-metal nanostructures offers unique opportunities for driving photochemical reactions at the nanoscale…”
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10
Prolonged Hot Electron Dynamics in Plasmonic-Metal/Semiconductor Heterostructures with Implications for Solar Photocatalysis
Published in Angewandte Chemie International Edition (21-07-2014)“…Ideal solar‐to‐fuel photocatalysts must effectively harvest sunlight to generate significant quantities of long‐lived charge carriers necessary for chemical…”
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11
Polyvinylpyrrolidone-induced anisotropic growth of gold nanoprisms in plasmon-driven synthesis
Published in Nature materials (01-08-2016)“…After more than a decade, it is still unknown whether the plasmon-mediated growth of silver nanostructures can be extended to the synthesis of other noble…”
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12
Bicarbonate or Carbonate Processes for Coupling Carbon Dioxide Capture and Electrochemical Conversion
Published in ACS energy letters (13-03-2020)“…Not provided…”
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13
Operando Local pH Measurement within Gas Diffusion Electrodes Performing Electrochemical Carbon Dioxide Reduction
Published in Journal of physical chemistry. C (30-09-2021)“…The local pH near the surface of a CO2 reduction electrocatalyst strongly impacts catalytic selectivity and activity. Here, confocal fluorescence microscopy…”
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14
Unassisted Highly Selective Gas-Phase CO2 Reduction with a Plasmonic Au/p-GaN Photocatalyst Using H2O as an Electron Donor
Published in ACS energy letters (14-05-2021)“…Surface plasmon resonances in metal nanostructures enable the generation of nonequilibrium hot electron–hole pairs, which has received wide interest as a means…”
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15
Optical Excitation of a Nanoparticle Cu/p-NiO Photocathode Improves Reaction Selectivity for CO 2 Reduction in Aqueous Electrolytes
Published in Nano letters (08-04-2020)“…We report the light-induced modification of catalytic selectivity for photoelectrochemical CO reduction in aqueous media using copper (Cu) nanoparticles…”
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16
Band Edge Tailoring in Few-Layer Two-Dimensional Molybdenum Sulfide/Selenide Alloys
Published in Journal of physical chemistry. C (22-10-2020)“…Chemical alloying is a powerful approach to tune the electronic structure of semiconductors and has led to the synthesis of ternary and quaternary…”
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17
Dose-rate-dependent damage of cerium dioxide in the scanning transmission electron microscope
Published in Ultramicroscopy (01-11-2016)“…Beam damage caused by energetic electrons in the transmission electron microscope is a fundamental constraint limiting the collection of artifact-free…”
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18
A Facile Solvothermal Synthesis of Octahedral Fe3O4 Nanoparticles
Published in Small (Weinheim an der Bergstrasse, Germany) (01-06-2015)“…Anisotropic Fe3O4 octahedrons are obtained via a simple solvothermal synthesis with appropriate sizes for various technological applications. A complete suite…”
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19
Surface Plasmon-Mediated Chemical Solution Deposition of Cu Nanoparticle Films
Published in Journal of physical chemistry. C (22-09-2016)“…The photothermal heating of plasmonic metal nanostructures can be exploited for bottom-up nanofabrication via surface plasmon-mediated chemical solution…”
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Probing the Catalytically Active Region in a Nanoporous Gold Gas Diffusion Electrode for Highly Selective Carbon Dioxide Reduction
Published in ACS energy letters (11-02-2022)“…We report the use of a nanoporous gold (np-Au) catalyst for CO2 reduction in a gas diffusion electrode (GDE) and characterize the role of wetting in…”
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