publications

Visualization of dry or wetgold gas diffusion electrodee

Probing the Catalytically Active Region in a Nanoporous Gold Gas Diffusion Electrode for Highly Selective Carbon Dioxide Reduction

A. Q. Fenwick, A. J. Welch, X. Li, I. Sullivan, J. S. DuChene, C. Xiang, H. A. Atwater, ACS Energy Letters, 2022, 2, 871-879.

pH heat map via confocal fluorescence micropscopy

Operando Local pH Measurement within Gas Diffusion Electrodes Performing Electrochemical Carbon Dioxide Reduction

A. J. Welch, A. Q. Fenwick, A. Bohme, H.-Y. Chen, I. Sullivan, X. Li, J. S. DuChene, C. Xiang, H. A. Atwater, The Journal of Physical Chemistry C, 2021, 125 (38), 20896-20904.

Electron-hole pair separation via gold / p-type gallium nitride interface

Unassisted Highly Selective Gas-Phase CO₂ Reduction with a Plasmonic Au/p-GaN Photocatalyst Using H₂O as an Electron Donor

R. Li, W. H. Cheng, M. H. Richter, J. S. DuChene, W. Tian, C. Li, H. A. Atwater, ACS Energy Letters, 2021, 6 (5), 1849-1856.

hot hole vs hot electron excitation via p- or n-type Schottky junctions.

Ultrafast hot-hole injection modifies hot-electron dynamics in Au/p-GaN heterostructures

G. Tagliabue, J. S. DuChene, M. Abdellah, A. Habib, D. J. Gosztola, Y. Hattori, W.-H. Cheng, K. Zheng, S. E. Canton, R. Sundararaman, J. Sá, H. A. Atwater, Nature Materials, 2021, 19 (12), 1312-1318.

Figure demonstrating that varying the selenide to sulfide contact cahnges reduction potentials of reaction intermediates.

Band edge tailoring in few-layer two-dimensional molybdenum sulfide/selenide alloys

Y.-R. Lin, W.-H. Cheng, M. H. Richter, J. S. DuChene, E. A. Peterson, C. M. Went, Z. Y. Al Balushi, D. Jariwala, J. B. Neaton, L.-C. Chen, H. A. Atwater, The Journal of Physical Chemistry C, 2020, 124 (42), 22893-22902.

Figure demonstraing the internal quantum efficiency for a copper p-type gallium nitride system vs a copper n-type gallium nitride system.

Hot-Hole versus Hot-Electron Transport at Cu/GaN Heterojunction Interfaces,

G. Tagliabue, J. S. DuChene, A. Habib, R. Sundararaman, H. A. Atwater, ACS Nano, 2020, 14 (5),5788-5797.

Figure demonstraing CO<sub>2</sub> photoreduction on a copper p-type nickel oxide interface

Optical Excitation of a Nanoparticle Cu/p-NiO Photocathode Improves Reaction Selectivity for CO2 Reduction in Aqueous Electrolytes,

J. S. DuChene, G. Tagliabue, A.J. Welch, X. Li, W. H. Cheng, H. A. Atwater, Nano Letters, 2020, 20 (4), 2348-2358.

Figure demonstrating the possible paths of carbonate and bicarbonate coupling for CO<sub>2</sub> reduction.

Bicarbonate or carbonate processes for coupling carbon dioxide capture and electrochemical conversion

A. J. Welch, E. Dunn, J. S. DuChene, H. A. Atwater, ACS Energy Letters, 2020, 5 (3), 940-945.

Figure demonstrating the nanoporous gold and the proton concentration gradient.

Nanoporous gold as a highly selective and active carbon dioxide reduction catalyst

AJ Welch, JS DuChene, G Tagliabue, A Davoyan, WH Cheng, HA Atwater, ACS Applied Energy Materials, 2018, 2 (1), 164-170.

Figure depicting photoresponse and optimized bismuth-doped iron tungstonate.

Bi-Containing n-FeWO₄ Thin Films Provide the Largest Photovoltage and Highest Stability for a Sub-2 eV Band Gap Photoanode

L. Zhou, A. Shinde, S. K. Suram, H. S. Stein, S. R. Bauers, A. Zakutayev, J. S. DuChene, G. Liu, E. A. Peterson, J. B. Neaton, J. M. Gregoire, ACS Energy Letters, 2018, 3 (11), 2769-2774.

Figure demonstrating the hot electron pathway from excitation to injection.

Quantifying the role of surface plasmon excitation and hot carrier transport in plasmonic devices

G. Tagliabue, A. S. Jermyn, R. Sundararaman, A. J. Welch, J. S. DuChene, R. Pala, A. R. Davoyan, P. Narang, H. A. Atwater, Nature Communications, 2018, 9 (1), 1-8.

Figure depicting the photo-activated paramagnetism of iron oxide nanoparticles

Persistent Photomagnetism in Superparamagnetic Iron Oxide Nanoparticles

S. He, J. S. DuChene, J. Qiu, A. A. Puretzky, Z. Gai, W. D. Wei, Advanced Electronic Materials, 2018, 4 (7), 1700661.

Figure demonstrating hot hole extraction via a gold p-type gallium nitride Schottky junction.

Hot Hole Collection and Photoelectrochemical CO2 Reduction with Plasmonic Au/p-GaN Photocathodes

J. S. DuChene, G. Tagliabue, A. J. Welch, W.-H. Cheng, H. A. Atwater, Nano Letters, 2018, 18 (4), 2545-2550.

Dose-rate-dependent damage of cerium dioxide in the scanning transmission electron microscope

A. C. Johnston-Peck, J. S. DuChene, A. D. Roberts, W. D. Wei, A. A. Herzing, Ultramicroscopy, 2016, 170, 1-9.

Surface plasmon-mediated chemical solution deposition of Cu nanoparticle films

J. Qiu, N. E. Richey, J. S. DuChene, Y. Zhai, Y. Zhang, L. McElwee-White, W. D. Wei, The Journal of Physical Chemistry C, 2016, 120 (37), 20775-20780.

Polyvinylpyrrolidone-induced anisotropic growth of gold nanoprisms in plasmon-driven synthesis

Y Zhai, J. S. DuChene, Y.-C. Wang, J. Qiu, A. C. Johnston-Peck, B. You, W. Guo, Be. DiCiaccio, K. Qian, E. W. Zhao, F. Ooi, D. Hu, D. Su, E. A. Stach, Z. Zhu, W. D. Wei, Nature Materials, 2016, 15 (8), 889-895.

Scanning tunneling electron microscopy images of a cerium dioxide cube and truncated octahedron.

Oxidation-state sensitive imaging of cerium dioxide by atomic-resolution low-angle annular dark field scanning transmission electron microscopy

A. C. Johnston-Peck, J. P. Winterstein, A. D. Roberts, J. S. DuChene, K. Qian, B. C. Sweeny, W. D. Wei, Renu Sharma, Eric A Stach, Andrew A Herzing, Ultramicroscopy, 2016, 162, 52-60.

Transmissoin electrom microscopy and electron energy loss spectroscopy of Cu<sub>2</sub>O nanowires.

Elucidating the Sole Contribution from Electromagnetic Near-Fields in Plasmon-Enhanced Cu2O Photocathodes

J. S. DuChene, B. P. Williams, A. C. Johnston‐Peck, J. Qiu, M. Gomes, M. Amilhau, D. Bejleri, J. Weng, D. Su, F. Huo, E. A. Stach, W. D. Wei, Advanced Energy Materials, 2016, 6 (1), 1501250.

Scanning electron microscopy images of Fe<sub>3</sub>O<sub>4</sub> octahedra.

A Facile Solvothermal Synthesis of Octahedral Fe₃O₄ Nanoparticles

F. Ooi, J. S. DuChene, J. Qiu, J. O. Graham, M. H. Engelhard, G. Cao, Z. Gai, W. D. Wei Small, 2015, 11 (22), 2649-2953

Figure depicting plamson excitatio within gold nanoparticles for hot electron transfer to titanium dioxide.

Prolonged hot electron dynamics in plasmonic‐metal/semiconductor heterostructures with implications for solar photocatalysis

J. S. DuChene, B. C. Sweeny, A. C. Johnston‐Peck, D. Su, E. A. Stach, W. D. Wei, Angewandte Chemie International Edition, 2014, 2014, 53 (30), 7887-7891

Figure depicting how gold nanoparticle size impacts the ability fo hot electrons to transfer to titanium dioxide for water reduction.

Surface plasmon-driven water reduction: gold nanoparticle size matters

K. Qian, B. C. Sweeny, A. C. Johnston-Peck, W. Niu, J. O. Graham, J. S. DuChene, J. Qiu, Y.-C. Wang, M. H. Engelhard, D. Su, E. A. Stach, W. D. Wei, Journal of the American Chemical Society, 2014,136 (28), 9842-9845.

Figure demonstrating the surface-enhanced Raman spectroscopy substrate ad subsequent Raman spectra of 4-aminobenzenethiol.

An in situ approach for facile fabrication of robust and scalable SERS substrates

Y.-C. Wang, J. S. DuChene, F. Huo, W. D. Wei, Nanoscale, 2014, 6 (13), 7232-7236.

Figure demonstrating the optical and trasmission electron microscopy images of gold nanorods and nanoprisms.

Halide anions as shape-directing agents for obtaining high-quality anisotropic gold nanostructures

J. S. DuChene, W. Niu, J. M. Abendroth, Q. Sun, W. Zhao, F. Huo, W. D. Wei, Chemistry of Materials, 2013, 15 (8), 1392-1399.

Schematic demonstrating how nanoparticles can be encapsulated into metal-organic frameworks.

Imparting functionality to a metal–organic framework material by controlled nanoparticle encapsulation

G. Lu, S. Li, Z. Guo, O. K. Farha, B. G. Hauser, X. Qi, Y. Wang, X. Wang, S. Han, X. Liu, J. S. DuChene, H. Zhang, Q. Zhang, X. Chen, J. Ma, S. Chye J. Loo, W. D. Wei, Y. Yang, J. T. Hupp, F. Nature Chemistry, 2012, 4 (4), 310-316Huo, Nature Chemistry, 2012, 4 (4), 310-316.

Transmission electron microscopy images of gold nanoparticles with silicon dioxide layer.

Facile synthesis of anisotropic Au@SiO2 core–shell nanostructures

J. S. DuChene, R. P. Almeida, W. D. Wei, Dalton Transactions, 2012, 41, 7879-7882.

Publications

2022

Probing the Catalytically Active Region in a Nanoporous Gold Gas Diffusion Electrode for Highly Selective Carbon Dioxide Reduction

2021