Since Caltech (As PI)

  1. Ultrafast Formation of Charge Transfer Trions at Molecular-Doped 2D MoS2 Interfaces. Y. Jinga, K. Liangb, N. S. Muira, H. Zhoub, Z. Lib, J. M. Palasza, J. Sorbiea, C. Wanga, S. K. Cushing†, C. P. Kubiak, Z. Sofer, S. Li, W. Xiong. Angew. Chem. Int. Ed. Engl. (2024) DOI:10.1002/anie.202405123

  2. Investigation of nanophotonic lithium niobate waveguides for on-chip evanescent wave sensing. N. A. Harper, E. Y. Hwang, P. A. Kocheril, S. K. Cushing† (2024) https://arxiv.org/abs/2403.04174

  3. Experimental Upper Bounds for Resonance-Enhanced Entangled Two-Photon Absorption Cross Section of Indocyanine Green. M. He, B. P. Hickam, N. Harper, S. K. Cushing† J. Chem. Phys. 160, 094305 (2024). https://doi.org/10.1063/5.0193311
    -Emerging Investigator

  4. Laser-driven ultrafast impedance spectroscopy for measuring complex ion hopping processes, K. H. Pham, S. K. Cushing† (2023), https://arxiv.org/abs/2310.09359

  5. Highly efficient visible and near-IR photon pair generation with thin-film lithium niobate, N. Harper, E. Hwang, R. Sekine, L. Ledezma, C. Perez, A. Marandi, S. K. Cushing† Optica Quantum 2(2), 103-109 (2024),
    https://doi.org/10.1364/OPTICAQ.507526

  6. Time-resolved chemically-selective spectroscopic investigation of the α-Fe2O3/Al redox reaction, E. Paltanin, J. S. Pelli Cresi, E. Principi, W. Lee, F. Bencivenga, D. De Angelis, L. Foglia, D. Garzella, G. Kurdi, M. Manfredda, N. Denys, A. Simoncig, S. K. Cushing†, R. Mincigrucci, C. Masciovecchio (2023), https://doi.org/10.21203/rs.3.rs-3328823/v1

  7. Determining Quasi-Equilibrium Electron and Hole Distributions from Plasmonic Photocatalysts using Photomodulated X-ray Absorption Spectroscopy. L. D. Palmer, W. Lee, C. L. Dong, R.-S. Liu, N. Wu, S. K. Cushing† ACS Nano (2023), doi/10.1021/acsnano.3c08181

  8. Antiadiabatic Small Polaron Formation in the Charge Transfer Insulator ErFeO3. Y.-J. Kim, J. L. Mendes, Y. J. Choi, S. K. Cushing† Science Advances, 10 (2023), DOI: 10.1126/sciadv.adk4282

  9. Entangled Photon Correlations Allow a Continuous-Wave Laser Diode to Measure Single Photon, Time-Resolved Fluorescence, N. Harper, B. P. Hickam, M. He, S. K. Cushing†, Journal of Physical Chemistry Letters (2023), doi.org/10.1021/acs.jpclett.3c01266

  10. Many-body phonon-ion conduction in solid electrolyte driven by THz modes, K. H. Pham, K. Gordiz, J. M. Michelsen, H. Liu, D. Vivona, Y. Shao-Horn, A. Henry, K. A. See, S. K. Cushing† (2023), https://arxiv.org/abs/2305.01632

  11. Using Electron Energy-Loss Spectroscopy to Measure Nanoscale Electronic and Vibrational Dynamics in a TEM, Y.-J. Kim, L. D. Palmer, W. Lee, N. J. Heller, S. K. Cushing†, Journal of Chemical Physics (2023), doi:10.1063/5.0147356
    -Cover Article

  12. Advancing Chemistry and Quantum Information Science: An Assessment of Research Opportunities at the Interface of Chemistry and Quantum Information Science in the United States. S. K. Cushing, Contributor to National Academies of Sciences, Engineering, and Medicine (2023). https://doi.org/10.17226/26850.

  13. Tunable and efficient ultraviolet generation in nanophotonic lithium niobate, E. Hwang, N. Harper, R. Sekine, L. Ledezma, A. Marandi, S. K. Cushing†, Optics Letters, 48, 3917-3920 (2023). doi.org/10.1364/OL.491528
    - Optica “Spotlight on Optics”

  14. Measuring photoexcited electron and hole dynamics in ZnTe and modeling excited state core-valence effects in transient XUV reflection spectroscopy, H. Liu, J. M. Michelsen, J. L. Mendes, I. M. Klein, S. R. Bauers, J. M. Evans, Andriy Zakutayev, S. K. Cushing†, Journal of Physical Chemistry Letters 10.1021/acs.jpclett.2c03894 (2023)

  15. Ab Initio Calculations of XUV Ground and Excited States for First-Row Transition Metal Oxides, I. M. Klein, A. Krotz, W. Lee, J. M. Michelsen, S. K. Cushing†, Journal of Physical Chemistry C (2022) 10.1021/acs.jpcc.2c06548
    - Invited Special Issue

  16. Ab Initio Prediction of Excited State and Polaron Effects in Transient XUV Measurements of α-Fe2O3,
    I. M. Klein, H. Liu, D. Nimlos, A. Krotz, S. K. Cushing†, Journal of the American Chemical Society (2022), 10.1021/jacs.2c03994

  17. Single-Photon Scattering Can Account for the Discrepancies among Entangled Two-Photon Measurement Techniques, B. P. Hickam, M. He, N. Harper, S. Szoke, S. K. Cushing†, Journal of Physical Chemistry Letters (2022) 10.1021/acs.jpclett.2c00865

  18. Quantum Science Concepts in Enhancing Sensing and Imaging Technologies: Applications for Biology, edited by A. F. Johnson, S. M. Moss, A. Bremer, F. Sharples; S.K. Cushing† as a contributor, ISBN 978-0-309-46534-2 (2021), DOI 10.17226/26139

  19. Element-specific electronic and structural dynamics using transient X-ray spectroscopy, H. Liu, I. M. Kelin, J. M. Michelsen, S. K. Cushing†, Chem, 10  (2021), 2569-2584.
    -Invited Perspective

  20. Designing high-power, octave spanning entangled photon sources for quantum spectroscopy,
    S. Szoke, M. He, B. P. Hickam, S. K. Cushing†, Journal of Chemical Physics, 154 (2021), 244201.
    - Invited Special Issue on Quantum Light

  21. Entangled Light-Matter Interactions and Spectroscopy,
    S. Szoke, H. Liu, B. P. Hickam, M. He, S. K. Cushing†, Journal of Materials Chemistry C, 8 (2020), 10732.
    - JMCC Early Investigator Issue

  22. Layer-Resolved Ultrafast XUV Measurement of Hole Transport in a Ni-TiO2-Si Photoanode,
    S. K. Cushing†, I. J. Porter, B. R. Lamoureux, A. Lee, B. M. Marsh, S. Szoke, M. E. Vaida, S. R. Leone, Science Advances, 6 (2020), eaay6650.

  23. Molecular hot spots in surface-enhanced Raman scattering,
    M. Li*, S. K. Cushing*†, G. Zhou, N. Wu, Nanoscale, 12 (2020), 22036
    - 2020 Hot Paper

  24. Transient extreme ultraviolet measurement of element-specific charge transfer dynamics in multiple-material junctions,
    J. M. Michelsen, W. T. Denman, S. K. Cushing†, SPIE Photonics West, 10926 (2019), 109262A.

  25. Characterization of Carrier Cooling Bottleneck in Silicon Nanoparticles by Extreme Ultraviolet (XUV) Transient Absorption Spectroscopy,
    J. Porter, A. Lee, S. K. Cushing†, H.-T. Chang, J. C. Ondry, A. P. Alivisatos, S. R. Leone, J. Phys. Chem. C, 125, 17 (2021), 9319–9329.

  26. Electron thermalization and relaxation in laser-heated nickel by few-femtosecond core-level transient absorption spectroscopy,
    H.-T. Chang, A. Guggenmos, S. K. Cushing†, Y. Cui, N. U. Din, S. R. Acharya, I. J. Porter, U. Kleineberg, V. Turkowski, T. S. Rahman, D. M. Neumark, S. R. Leone, Physical Review B, 103 (2020), 064305.

  27. Plasmonic hot carriers skip out in femtoseconds,
    S. K. Cushing†, Nature Photonics, 11 (2017), 745
    -Invited News and Views

 

 

 Entangled Light-Matter Interactions

  1. Investigation of nanophotonic lithium niobate waveguides for on-chip evanescent wave sensing. N. A. Harper, E. Y. Hwang, P. A. Kocheril, S. K. Cushing† (2024) https://arxiv.org/abs/2403.04174

  2. Experimental Upper Bounds for Resonance-Enhanced Entangled Two-Photon Absorption Cross Section of Indocyanine Green. M. He, B. P. Hickam, N. Harper, S. K. Cushing† J. Chem. Phys. 160, 094305 (2024). https://doi.org/10.1063/5.0193311
    -Emerging Investigator

  3. Highly efficient visible and near-IR photon pair generation with thin-film lithium niobate, N. Harper, E. Hwang, R. Sekine, L. Ledezma, C. Perez, A. Marandi, S. K. Cushing† Optica Quantum 2(2), 103-109 (2024),
    https://doi.org/10.1364/OPTICAQ.507526

  4. Entangled Photon Correlations Allow a Continuous-Wave Laser Diode to Measure Single Photon, Time-Resolved Fluorescence, N. Harper, B. P. Hickam, M. He, S. K. Cushing†, Journal of Physical Chemistry Letters (2023), doi.org/10.1021/acs.jpclett.3c01266

  5. Advancing Chemistry and Quantum Information Science: An Assessment of Research Opportunities at the Interface of Chemistry and Quantum Information Science in the United States. S. K. Cushing, Contributor to National Academies of Sciences, Engineering, and Medicine (2023). https://doi.org/10.17226/26850.

  6. Tunable and efficient ultraviolet generation in nanophotonic lithium niobate, E. Hwang, N. Harper, R. Sekine, L. Ledezma, A. Marandi, S. K. Cushing†, Optics Letters, 48, 3917-3920 (2023). doi.org/10.1364/OL.491528

  7. Single-Photon Scattering Can Account for the Discrepancies among Entangled Two-Photon Measurement Techniques, B. P. Hickam, M. He, N. Harper, S. Szoke, S. K. Cushing†, Journal of Physical Chemistry Letters (2022) 10.1021/acs.jpclett.2c00865

  8. Quantum Science Concepts in Enhancing Sensing and Imaging Technologies: Applications for Biology, edited by A. F. Johnson, S. M. Moss, A. Bremer, F. Sharples; S.K. Cushing† as a contributor, ISBN 978-0-309-46534-2 (2021), DOI 10.17226/26139

  9. Designing High-Power, Octave Spanning Entangled Photon Sources for Quantum Spectroscopy
    S. Szoke, M. He, B. P. Hickam, S. K. Cushing†, Journal of Chemical Physics, 154 (2021), 244201.

  10. Entangled Light-Matter Interactions and Spectroscopy,
    S. Szoke, H. Liu, B. P. Hickam, M. He, S. K. Cushing†, Journal of Materials Chemistry C, 8 (2020), 10732.

 

Transient XUV/X-Ray Spectroscopy

  1. Time-resolved chemically-selective spectroscopic investigation of the α-Fe2O3/Al redox reaction, E. Paltanin, J. S. Pelli Cresi, E. Principi, W. Lee, F. Bencivenga, D. De Angelis, L. Foglia, D. Garzella, G. Kurdi, M. Manfredda, N. Denys, A. Simoncig, S. K. Cushing†, R. Mincigrucci, C. Masciovecchio (2023), https://doi.org/10.21203/rs.3.rs-3328823/v1

  2. Determining Quasi-Equilibrium Electron and Hole Distributions from Plasmonic Photocatalysts using Photomodulated X-ray Absorption Spectroscopy. L. D. Palmer, W. Lee, C. L. Dong, R.-S. Liu, N. Wu, S. K. Cushing† ACS Nano (2023), doi/10.1021/acsnano.3c08181

  3. Antiadiabatic Small Polaron Formation in the Charge Transfer Insulator ErFeO3. Y.-J. Kim, J. L. Mendes, Y. J. Choi, S. K. Cushing† Science Advances, 10 (2023), DOI: 10.1126/sciadv.adk4282

  4. Ab Initio Calculations of XUV Ground and Excited States for First-Row Transition Metal Oxides, I. M. Klein, A. Krotz, J. M. Michelsen, S. K. Cushing†, Journal of Physical Chemistry C (2022) 10.1021/acs.jpcc.2c06548
    - Invited Special Issue

  5. Ab Initio Prediction of Excited State and Polaron Effects in Transient XUV Measurements of α-Fe2O3,
    I. M. Klein, H. Liu, D. Nimlos, A. Krotz, S. K. Cushing†, Journal of the American Chemical Society (2022), 10.1021/jacs.2c03994

  6. Measuring photoexcited electron and hole dynamics in ZnTe and modeling excited state core-valence effects in transient XUV reflection spectroscopy, H. Liu, J. M. Michelsen, I. M. Klein, S. K. Cushing†, Journal of Physical Chemistry Letters, 10.1021/acs.jpclett.2c03894 (2023)

  7. Element-specific electronic and structural dynamics using transient X-ray spectroscopy, H. Liu, I. M. Kelin, J. M. Michelsen, S. K. Cushing†, Chem, 10  (2021), 2569-2584.
    -Invited Perspective

  8. Layer-Resolved Ultrafast XUV Measurement of Hole Transport in a Ni-TiO2-Si Photoanode,
    S. K. Cushing†, I. J. Porter, B. R. Lamoureux, A. Lee, B. M. Marsh, S. Szoke, M. E. Vaida, S. R. Leone, Science Advances, 6 (2020), eaay6650.

  9. Characterization of Carrier Cooling Bottleneck in Silicon Nanoparticles by Extreme Ultraviolet (XUV) Transient Absorption Spectroscopy,
    I. J. Porter, A. Lee, S. K. Cushing†, H.-T. Chang, J. C. Ondry, A. P. Alivisatos, S. R. Leone, J. Phys. Chem. C, 125, 17 (2021), 9319–9329.

  10. Electron thermalization and relaxation in laser-heated nickel by few-femtosecond core-level transient absorption spectroscopy,
    H.T. Chang, A. Guggenmos, S. K. Cushing†, Y. Cui, N. U. Din, S. R. Acharya, I. J. Porter, U. Kleineberg, V. Turkowski, T. S. Rahman, D. M. Neumark, S. R. Leone, Physical Review B, 103 (2020), 064305.

  11. Transient extreme ultraviolet measurement of element-specific charge transfer dynamics in multiple-material junctions,
    J. M. Michelsen, W. T. Denman, S. K. Cushing†, SPIE Photonics West, 10926 (2019), 109262A.

  12. Differentiating Photoexcited Carrier and Phonon Dynamics in the Δ, L, and Γ Valleys of Si (100) with Transient Extreme Ultraviolet Spectroscopy,
    S. K. Cushing, A. Lee, I. J. Porter, L. M.o Carneiro, H.-T. Chang, M. Zuerch, S. R. L
    eone, Journal of Physical Chemistry C, 123 (2019), 3343-3352.

  13. Retrieval of the complex-valued refractive index of germanium near the M4, 5 absorption edge,
    C. J. Kaplan, P. M. Kraus, E. M. Gullikson, L. J. Borja, S. K. Cushing, M. Zürch, H.T. Chang, D. M. Neumark, S. R. Leone, Journal of the Optical Society of America B, 36 (2019), 1716-1720.

  14. Hot Phonon and Carrier Relaxation in Si(100) Determined by Transient Extreme Ultraviolet Spectroscopy,
    S. K. Cushing, M. Zürch, P. M. Kraus, L. M. Carneiro, A. Lee, H.-T. Chang, C. J. Kaplan, S. R. Leone, Structural Dynamics, 5 (2018), 054302.

  15. Photoexcited Small Polaron Formation in Goethite (α-FeOOH) Nanorods Probed by Transient Extreme Ultraviolet Spectroscopy,
    I. J. Porter, S. K. Cushing, L. M. Carneiro, A. Lee, J. C. Ondry, J. C. Dahl, H. T. Chang, A. P. Alivisatos, S. R. Leone, Journal of Physical Chemistry Letters, 9 (2018), 4120-4124.

  16. The Ultrafast X-ray Spectroscopic Revolution in Chemical Dynamics,
    P. M. Kraus, M. Zürch, S. K. Cushing, D. M. Neumark, S. R. Leone, Nature Reviews Chemistry, 2 (2018), 82.
    - Invited Review
     

  17. Femtosecond tracking of carrier relaxation in Germanium with extreme ultraviolet transient reflectivity,
    C. J. Kaplan, P. M. Krauss, A. D. Ross, M. Zürch, S. K. Cushing, M. F. Jager, H.T. Chang, E. M. Gullikson, D. M. Neumark, S. R. Leone, Physical Review B, 97 (2018), 205202.
     

  18. Excitation wavelength dependent small polaron trapping of photoexcited carriers in α-Fe2O3,
    L. M. Carneiro*, S. K. Cushing*, C. Liu, Y. Su, P. Yang, A. P. Alivisatos, S. R. Leone, Nature Materials 16 (2017), 819.
     

  19. Direct and simultaneous observation of ultrafast electron and hole dynamics in germanium,
    M. Zürch, H.-T. Chang, L. J. Borja, P. M. Kraus, S. K. Cushing, A. Gandman, C. J. Kaplan, M. H. Oh, J. S. Prell, D. Prendergast, C. D. Pemmaraju, D. M. Neumark, S. R. Leone, Nature Communications 8 (2017), 15734.
     

  20. Ultrafast carrier thermalization and trapping in silicon-germanium alloy probed by extreme ultraviolet transient absorption spectroscopy,
    M. Zürch, H.-T. Chang, P. M. Kraus, S. K. Cushing, L. J. Borja, A. Gandman, C. J. Kaplan, M. H. Oh, J. S. Prell, D. Prendergast, C. D. Pemmaraju, D. M. Neumark, S. R. Leone, Structural Dynamics, 4 (2017), 044029.
     

  21. Measuring the Surface Photovoltage of a Schottky Barrier Under Intense Light Conditions: Zn/p-Si(100) by Laser Time-Resolved Extreme Ultraviolet Photoelectron Spectroscopy,
    B. M. Marsh, M. E. Vaida, S. K. Cushing, B. R. Lamoureux, S. R. Leone, Journal of Physical Chemistry C, 121 (2017) 21904.
     

  22. Valley-dependent carrier and lattice dynamics in silicon measured by transient XUV spectroscopy,
    S. K. Cushing, L. M. Carneiro, M. Zürch, P. M. Kraus, C. J. Kaplan, H. T. Chang, S. R. Leone, CLEO: Applications and Technology, ATh3C-5 (2017).

 

Ultrafast Electron and Battery Spectroscopy

  1. Laser-driven ultrafast impedance spectroscopy for measuring complex ion hopping processes, K. H. Pham, S. K. Cushing† (2023), https://arxiv.org/abs/2310.09359

  2. Many-body phonon-ion conduction in solid electrolyte driven by THz modes, K. H. Pham, K. Gordiz, J. M. Michelsen, H. Liu, D. Vivona, Y. Shao-Horn, A. Henry, K. A. See, S. K. Cushing (2023), https://arxiv.org/abs/2305.01632

  3. Using Electron Energy-Loss Spectroscopy to Measure Nanoscale Electronic and Vibrational Dynamics in a TEM, Y.-J. Kim, L. D. Palmer, W. Lee, N. J. Heller, S. K. Cushing†, Journal of Chemical Physics (2023), doi:10.1063/5.0147356
    -Cover Article

Plasmon-Semiconductor Interactions

  1. Ultrafast Formation of Charge Transfer Trions at Molecular-Doped 2D MoS2 Interfaces. Y. Jinga, K. Liangb, N. S. Muira, H. Zhoub, Z. Lib, J. M. Palasza, J. Sorbiea, C. Wanga, S. K. Cushing†, C. P. Kubiak, Z. Sofer, S. Li, W. Xiong. Angew. Chem. Int. Ed. Engl. (2024) DOI:10.1002/anie.202405123

  2. Determining Quasi-Equilibrium Electron and Hole Distributions from Plasmonic Photocatalysts using Photomodulated X-ray Absorption Spectroscopy. L. D. Palmer, W. Lee, C. L. Dong, R.-S. Liu, N. Wu, S. K. Cushing† (2023), https://arxiv.org/abs/2308.15771

  3. Plasmonic hot carriers skip out in femtoseconds,
    S. K. Cushing, Nature Photonics, 11 (2017), 745
    -Invited News and Views
     

  4. Tunable Nonthermal Distribution of Hot Electrons in a Semiconductor Injected from a Plasmonic Gold Nanostructure,
    S. K. Cushing, C. J. Chen, C. L. Dong, X. T. Kong, A. O. Govorov, R. S. Liu, N. Wu, ACS Nano, 12 (2018), 7117.
     

  5. Progress and Perspectives of Plasmon-Enhanced Solar Energy Conversion,
    S. K. Cushing and N. Wu, Journal Physical Chemistry Letters, 7 (2016), 666-675.
    - Invited Perspective, Journal Front Cover
     

  6. Distinguishing surface effects of gold nanoparticles from plasmonic effect on photoelectrochemical water splitting by hematite,
    J. Li, S. K. Cushing, D. Chu, P. Zheng, J. Bright, C. Castle, A. Manivannan, N. Q. Wu,  Journal of Materials Research, 31 (2016), 1608-1615.
     

  7. Investigation of Plasmonic Effect in Air-processed PbS/CdS Core-shell Quantum Dot based Solar Cells
    B. A. Gonfa, M. R. Kim, P. Zheng, S. K. Cushing, Q. Qiao, N. Wu, M. A. El Khakani and D. Ma, Journal of Materials Chemistry A, 4 (2016), 13071-13080.
     

  8. Plasmon-induced resonance energy transfer for solar energy conversion,
    J. Li*, S. K. Cushing*, F. Meng, T. R. Senty, A. D. Bristow, N. Wu, Nature Photonics, 9 (2015), 601-607.
    - Featured at Ars Technica
     

  9. Theoretical maximum efficiency of solar energy conversion in plasmonic metal-semiconductor heterojunctions,
    S. K. Cushing, A. D. Bristow, N. Wu, Phys. Chem. Chem. Physics, 17 (2015), 30010-30022.
     

  10. Controlling Plasmon-Induced Resonance Energy Transfer and Hot Electron Injection Processes in Metal@TiO2 Core-Shell Nanoparticles,
    S. K. Cushing, J. Li, J. Bright, B. Yost, P. Zheng, A. D. Bristow, N. Wu, Journal Physical Chemistry C, 119 (2015), 16239–16244.
     

  11. Above and Below Band Edge Light Recovery with Plasmonics,
    S. K. Cushing, J. Li, A. D. Bristow, N. Q. Wu, SPIE Proceedings Photonic West, (2015), 935811.
    - Green Photonics Best Paper Award
     

  12. Solar Hydrogen Generation by a CdS-Au-TiO2 Sandwich Nanorod Array Enhanced with Au Nanoparticle as Electron Relay and Plasmonic Photosensitizer,
    J. Li*, S. K. Cushing*, P. Zheng, T. Senty, F. Meng, A. D. Bristow, A. Manivannan, N. Q. Wu, Journal of the American Chemical Society, 136 (2014), 8438–8449.
     

  13. Plasmon-induced photonic and energy transfer enhancement of solar water splitting by a hematite nanorod array,
    J. Li*, S. K. Cushing*, P. Zheng, F. Meng, D. Chu, N. Q. Wu, Nature Communications, 4 (2013), 2651.
     

  14. Enhancing charge separation in semiconductors through plasmon induced resonant energy transfer,
    S. K. Cushing and N. Q. Wu, Interface, 22(2) (2013), 63-67.
    - Invited Feature Article
     

  15. Asymmetric silver “nanocarrot” structures: solution synthesis and their asymmetric plasmonic resonances, H. Liang, D. Rossouw, H. Zhao, S. K. Cushing, H. Shi, A. Korinek, H. Xu, F. Rosei, W. Wang, N. Q. Wu, G. A. Botton, D. Ma, Journal of the American Chemical Society, 135 (2013), 9616-9619.
     

  16. Ag@Cu2O core-shell nanoparticles as visible-light plasmonic photocatalysts,
    J. Li*, S. K. Cushing*, J. Bright, F. Meng, T. R. Senty, P. Zheng, A. D. Bristow, N. Q. Wu, ACS Catalysis, 3(2013), 47-51
     

  17. Photocatalytic activity enhanced by plasmonic resonant energy transfer from metal to semiconductor,
    S. K. Cushing, J. Li, F. Meng, T. R. Senty, S. Suri, M. Zhi, M. Li, A. D. Bristow, N. Q. Wu, Journal of the American Chemical Society, 134 (2012), 15033–15041.
     

  18. Size-dependent energy transfer between CdSe/ZnS quantum dots and gold nanoparticles,
    M. Li, S. K. Cushing, Q. Wang, X. Shi, L. A. Hornak, Z. Hong, N. Q. Wu, The Journal of Physical Chemistry Letters, 2 (2011), 2125–2129.
     

  19. Origin of localized surface plasmon resonances in thin silver film over nanosphere patterns,
    S. K. Cushing, L. A. Hornak, J. Lankford, Y. Liu, N.Q. Wu, Applied Physics A, 103 (2011), 955-958.

 

Semiconductor Photocatalysis

  1. Effects of Defects on Photocatalytic Activity of Hydrogen-Treated Titanium Oxide Nanobelts,
    S. K. Cushing, F. Meng, J. Zhang, B. Ding, C. K. Chen, C.J. Chen, R.S. Liu, A. D. Bristow, J. Bright, P. Zheng, and N. Wu, ACS Catalysis, 7 (2017), 1742-1748
     
  2. Inverting Transient Absorption Data to Determine Transfer Rates in Quantum Dot–TiO2 Heterostructures, T. R. Senty*, S. K. Cushing*, C. Wang, C. Matranga, A. D. Bristow, Journal of Physical Chemistry C, 119 (2015), 6337–6343.
     

  3. Enhancement of Solar Hydrogen Generation by Synergistic Interaction of La2Ti2O7 Photocatalyst with Plasmonic Gold Nanoparticles and Reduced Graphene Oxide Nanosheets,
    F. Meng, S. K. Cushing, J. Li, S. Hao, N. Wu, ACS Catalysis, 5 (2015), 1949-1955.
     

  4. Investigation of band gap narrowing in nitrogen-doped La2Ti2O7 with transient absorption spectroscopy,
    B. T. Yost, S. K. Cushing, F. Meng, J. Bright, D. A. Bas, N. Q. Wu and A. D. Bristow, Physical Chemistry Chemical Physics, 17 (2015), 31039-31043.
     

  5. Band gap narrowing in nitrogen-doped La2Ti2O7 predicated by density-functional theory calculation,
    J. Zhang, W. Dang, Z. Ao, S. K. Cushing, N. Q. Wu, Physical Chemistry Chemical Physics, 17 (2015), 8994-9000.
     

  6. Solar hydrogen generation by nanoscale p-n junction of p-type molybdenum disulfide/n-type nitrogen-doped reduced graphene oxide,
    F. Meng, J. Li, S. K. Cushing, M. Zhi, N. Q. Wu, Journal of the American Chemical Society, 135 (2013), 10286-10289.
     

  7. Photocatalytic hydrogen generation enhanced by band gap narrowing and improved charge carrier mobility in AgTaO3 by compensated co-doping,
    M. Li, J. Zhang, W. Dang, S. K. Cushing, D. Guo, N. Q. Wu, P. Yin, Physical Chemistry Chemical Physics, 15 (2013), 16220-16226.
     

  8. Photocatalytic water oxidation by hematite/reduced graphene oxide composites,
    F. Meng, J. Li, S. K. Cushing, J. Bright, M. Zhi, J. Rowley, Z. Hong, A. Manivannan, A. D. Bristow, N. Q. Wu, ACS Catalysis, 3 (2013), 746.

 

Optical Biosensors

  1. Molecular hot spots in surface-enhanced Raman scattering,
    M. Li*, S. K. Cushing*†, G. Zhou, N. Wu, Nanoscale, 12 (2020), 22036

  2. A Surface-Enhanced Raman Scattering Sensor Integrated with Battery-Controlled Fluidic Device for Capture and Detection of Trace Small Molecules
    Q. Zhou, G. Meng, P. Zheng, S. K. Cushing, N. Wu, Q. Huang, C. Zhu, Z. Zhang, Z. Wang, Scientific Reports, 5 (2015), 1-10.

  3. A Gold Nanohole Array Based Surface-Enhanced Raman Scattering (SERS) Biosensor for Detection of Ag(I) and Mercury(II) in Human Saliva,
    P. Zheng, M. Li, R. Jurevic, S. K. Cushing, Y. Liu, N. Wu, Nanoscale, 7 (2015), 11005-11012.
    - “Hot Article” List Nanotechnology

  4. Tailoring plasmonic properties of gold nanohole arrays for surface-enhanced Raman scattering,
    P. Zheng, S. K. Cushing, S. Suri, N. Wu, Physical Chemistry Chemical Physics, 17 (2015), 21211-21219.  
    - Invited Theme Issue Article
     

  5. Plasmon-enhanced optical sensors: a review,
     M. Li, S. K. Cushing, N. Q. Wu,  Analyst, 140 (2014), 386-406.
    - Invited Critical Review
     

  6. Three-dimensional hierarchical plasmonic nano-architecture enhanced surface-enhanced Raman scattering immuno-sensor for cancer biomarker detection in blood plasma,
    M. Li, S. K. Cushing, J. Zhang, S. Suri, R. Evans, W. P. Petros, L. F. Gibson, D. Ma, Y. Liu, and N. Q. Wu, ACS Nano, 7 (2013), 4967-4976.
     

  7. Plasmonic nanorice antenna on triangle nano-array for surface-enhanced Raman scattering detection of hepatitis B virus DNA,
    M. Li, S. K. Cushing, H. Liang, S. Suri, D. Ma, N. Q. Wu, Analytical Chemistry, 85 (2013), 2072.

  8. Shape-dependent surface-enhanced Raman scattering in gold-Raman-probe-silica sandwiched nanoparticles for biocompatible applications,
    M. Li, S. K. Cushing, J. Zhang, J. Lankford, Z. P. Aguilar, D. Ma, N. Q. Wu, Nanotechnology, 23 (2012), 115501.
    - Nanotechnology: Best of 2012 Selection
    - Nanotechnology Weekly by VerticalNews
     

  9. Controlling Plasmon-Induced Resonance Energy Transfer and Hot Electron Injection Processes in Metal@TiO2 Core-Shell Nanoparticles,
    S. K. Cushing, J. Li, J. Bright, B. Yost, P. Zheng, A. D. Bristow, N. Wu, Journal Physical Chemistry C, 119 (2015), 16239–16244.
     

  10. Electrodeposition of Poly(phenylene oxide) Nanoscale Patterns with Nanosphere Lithography,
    J. Kang, H. Li, S. K. Cushing, J. Wang, and N. Wu, ECS Trans., 19 (2009), 159.

 

Fluorescence Mechanisms

  1. Excitation Wavelength Dependent Fluorescence of Graphene Oxide Controlled by Strain,
    S. K. Cushing, W. Ding, G. Chen, C. Wang, F. Yang, F. Huang, and N. Wu, Nanoscale, 9 (2017), 2240-2245.
     
  2. Origin of strong excitation wavelength dependent fluorescence of graphene oxide,
    S. K. Cushing, J. Li, F. Huang, N. Q. Wu, ACS Nano, 8 (2014), 1002-1013.
     

  3. Photoluminescence spectroscopy of YVO4:Eu3+ nanoparticles with aromatic linker molecules: A precursor to biomedical functionalization,
    T. R. Senty, M. Yalamanchi, Y. Zhang, S. K. Cushing, M. S. Seehra, X. Shi, A. D. Bristow, Journal of Applied Physics, 115  (2014), 163107.
     

  4. Fingerprinting photoluminescence of functional groups in graphene oxide,
    M. Li, S. K. Cushing, X. Zhou, S. Guo and N. Q. Wu, Journal of Materials Chemistry, 22 (2012), 23374-23379.