Publications while at CU

A. Clinger, Z.-Y. Yang, L. M. Pellows, P. King, F. Mus, J. W. Peters, G. Dukovic, L. C. Seefeldt. "Hole-scavenging in photo-driven Nreduction catalyzed by a CdS-nitrogenase MoFe protein biohybrid system." Journal of Inorganic Biochemistry, 2024, 253, 112484.

K. E. Shulenberger, S. J. Sherman, M. R. Jilek, H. R. Keller, L. M. Pellows, G. Dukovic. "Exciton and biexciton transient absorption spectra of CdSe quantum dots with varying diameters." Journal of Chemical Physics, 2024, 160, 014708.

L. M. Pellows, G. E. Vansuch, B. Chica, Z.-Y. Yang, J. L. Ruzicka, M. A. Willis, A. Clinger, K. A. Brown, L. C. Seefeldt, J. W. Peters, G. Dukovic, D. W. Mulder, P. W. King. "Low-temperature trapping of N2 reduction reaction intermediates in nitrogenase MoFe protein-CdS quantum dot complexes." Journal of Chemical Physics, 2023, 159, 235102.

L. M. Pellows, M. A. Willis, J. L. Ruzicka, B. P. Jagilinki, D. W. Mulder, Z.-Y. Yang, L. C. Seefeldt, P. W. King, G. Dukovic, J. W. Peters. "High Affinity Electrostatic Interactions Support the Formation of CdS Quantum Dot:Nitrogenase MoFe Protein Complexes." Nano Letters, 2023, 23 (22), 10466-10472.

G. E. Vansuch, D. W. Mulder, B. Chica, J. L. Ruzicka, Z.-Y. Yang, L. M. Pellows, M. A. Willis, K. A. Brown, L. C. Seefeldt, J. W. Peters, G. Dukovic, P. W. King. "Cryo-annealing of Photoreduced CdS Quantum Dot–Nitrogenase MoFe Protein Complexes Reveals the Kinetic Stability of the E4(2N2H) Intermediate." Journal of the American Chemical Society, 2023, 145 (39), 21165-21169.

B. F. Hammel, L. M. G. Hall, L. M. Pellows, O. M. Pearce, P. Tongying, S. Yazdi, G. Dukovic. "Relationships between Compositional Heterogeneity and Electronic Spectra of (Ga1–xZnx)(N1–xOx) Nanocrystals Revealed by Valence Electron Energy Loss Spectroscopy." Journal of Physical Chemistry C, 2023, 127 (16), 7762-7771.

(Invited review) K. E. Shulenberger, M. R. Jilek, S. J. Sherman, B. T. Hohman, G. Dukovic. "Electronic Structure and Excited State Dynamics of Cadmium Chalcogenide Nanorods." Chemical Reviews, 2023, 123 (7), 3852-3903.

J. L. Ruzicka, L. M. Pellows, H. Kallas, K. E. Shulenberger, O. A. Zadvornyy, B. Chica, K. A. Brown, J. W. Peters, P. W. King, L. C. Seefeldt, G. Dukovic. "The Kinetics of Electron Transfer from CdS Nanorods to the MoFe Protein of Nitrogenase." Journal of Physical Chemistry C, 2022, 126 (19), 8425-8435.

B. Chica, J. Ruzicka, L. M. Pellows, H. Kallas, E. Kisgeropoulos, G. E. Vansuch, D. W. Mulder, K. A. Brown, D. Svedruzic, J. W. Peters, G. Dukovic, L. C. Seefeldt, P. W. King. "Dissecting Electronic-Structural Transitions in the Nitrogenase MoFe Protein P-Cluster during Reduction." Journal of the American Chemical Society, 2022, 144 (13), 5708-5712.

K. E. Shulenberger, H. R. Keller, L. M. Pellows, N. L. Brown, G. Dukovic. "Photocharging of Colloidal CdS Nanocrystals." Journal of Physical Chemistry C, 2021, 125 (41), 22650-22659.

(Invited perspective) J. K. Utterback, R. P. Cline, K. E. Shulenberger, J. D. Eaves, G. Dukovic. "The Motion of Trapped Holes on Nanocrystal Surfaces." Journal of Physical Chemistry Letters, 2020, 11 (22), 9876-9885.

O. M. Pearce, J. S. Duncan, B. Lama, G. Dukovic, N. H. Damrauer. "Binding Orientation of a Ruthenium-Based Water Oxidation Catalyst on a CdS QD Surface Revealed by NMR Spectroscopy." Journal of Physical Chemistry Letters, 2020, 11 (22), 9552-9556.

K. A. Brown, J. Ruzicka, H. Kallas, B. Chica, D. W. Mulder, J. W. Peters, L. C. Seefeldt, G. Dukovic, P. W. King. "Excitation-Rate Determines Product Stoichiometry in Photochemical Ammonia Production by CdS Quantum Dot-Nitrogenase MoFe Protein Complexes." ACS Catalysis, 2020, 10 (19), 11147-11152.

B. Chica, J. Ruzicka, H. Kallas, D. W. Mulder, K. A. Brown, J. W. Peters, L. C. Seefeldt, G. Dukovic, P. W. King. "Defining Intermediates of Nitrogenase MoFe Protein During N2 Reduction Under Photochemical Electron Delivery from CdS Quantum Dots." Journal of the American Chemical Society, 2020, 142 (33), 14324-14330.

T. Labrador, G. Dukovic. "Simultaneous Determination of Spectral Signatures and Decay Kinetics of Excited State Species in Semiconductor Nanocrystals Probed by Transient Absorption Spectroscopy." Journal of Physical Chemistry C, 2020, 124 (15), 8439-8447.

(Invited review) J. K. Utterback, J. L. Ruzicka, H. R. Keller, L. M. Pellows, G. Dukovic. "Electron Transfer from Semiconductor Nanocrystals to Redox Enzymes." Annual Review of Physical Chemistry, 2020, 71, 335-359.

H. Hamby, B. Li, K. E. Shinopoulos, H. R. Keller, S. J. Elliott, G. Dukovic. "Light-driven carbon-carbon bond formation via CO2 reduction catalyzed by complexes of CdS nanorods and a 2-oxoacid oxidoreductase." Proceedings of the National Academy of Sciences, 2020, 117 (1), 135-140. 

J. K. Utterback, J. L. Ruzicka, H. Hamby, J. D. Eaves, G. Dukovic. "Temperature-Dependent Transient Absorption Spectroscopy Elucidates Trapped-Hole Dynamics in CdS and CdSe Nanorods." Journal of Physical Chemistry Letters, 201910, 2782−2787.

J. K. Utterback, M. B. Wilker, D. W. Mulder, P. W. King, J. D. Eaves, G. Dukovic. "Quantum Efficiency of Charge Transfer Competing against Nonexponential Processes: The Case of Electron Transfer from CdS Nanorods to Hydrogenase." Journal of Physical Chemistry C2019, 123 (1), 886-896.

O. M. Pearce, J. S. Duncan, N. H. Damrauer, G. Dukovic. "Ultrafast Hole Transfer from CdS Quantum Dots to a Water Oxidation Catalyst." Journal of Physical Chemistry C, 2018, 122 (30), 17559-17565.

J. K. Utterback, H. Hamby, O. M. Pearce, J. D. Eaves, G. Dukovic. "Trapped-Hole Diffusion in Photoexcited CdSe Nanorods." Journal of Physical Chemistry C, 2018, 122 (29), 16974-16982.

R. P. Cline, J. K. Utterback, S. E. Strong, G. Dukovic, J. D. Eaves. "On the Nature of Trapped-Hole States in CdS Nanocrystals and the Mechanism of Their Diffusion." Journal of Physical Chemistry Letters20189, 3532-3537. 

K. J. Schnitzenbaumer, G. Dukovic. "Comparison of Phonon Damping Behavior in Quantum Dots Capped with Organic and Inorganic Ligands." Nano Letters201818 (6), 3667-3674.

J. C. Beimborn II, L. M. G. Hall, P. Tongying, G. Dukovic, J. M. Weber. "Pressure Response of Photoluminescence in Cesium Lead Iodide Perovskite Nanocrystals." Journal of Physical Chemistry C, 2018122 (20), 11024-11030.

M. B. Wilker, J. K. Utterback, S. Greene, K. A. Brown, D. W. Mulder, P. W. King, G. Dukovic. "Role of Surface-Capping Ligands in Photoexcited Electron Transfer between CdS Nanorods and [FeFe] Hydrogenase and the Subsequent HGeneration." Journal of Physical Chemistry C, 2018122 (1), 741-750.

M. W. Ratzloff, M. B. Wilker, D. W. Mulder, C. E. Lubner, H. Hamby, K. A. Brown, G. Dukovic, P. W. King. "Activation Thermodynamics and H/D Kinetic Isotope Effect of the Hox to HredH+ Transition in [FeFe] Hydrogenase." Journal of the American Chemical Society, 2017139 (37), 12879-12882.

P. Tongying, Y.-G. Lu, L. M. G. Hall, K. Lee, M. Sulima, J. Ciston, G. Dukovic. "Control of Elemental Distribution in the Nanoscale Solid-State Reaction That Produces (Ga1–xZnx)(N1–xOx) Nanocrystals." ACS Nano201711 (8), 8401-8412.

A. N. Grennell, J. K. Utterback, O. M. Pearce, M. B. Wilker, G. Dukovic. "Relationships between Exciton Dissociation and Slow Recombination within ZnSe/CdS and CdSe/CdS Dot-in-Rod Heterostructures." Nano Letters2017, 17, 3764-3774. 

J. K. Utterback, A. N. Grennell, M. B. Wilker, O. M. Pearce, J. D. Eaves, G. Dukovic. "Observation of trapped-hole diffusion on the surfaces of CdS nanorods." Nature Chemistry, 2016, 8, 1061-1066.

K. A. Brown, D. F. Harris, M. B. Wilker, A. Rasmussen, N. Khadka, H. Hamby, S. Keable, G. Dukovic, J. W. Peters, L. C. Seefeldt, P. W. King. "Light-driven dinitrogen reduction catalyzed by a CdS:nitrogenase MoFe protein biohybrid." Science2016352, 448-450.

K. A. Brown, M. B. Wilker, M. Boehm, H. Hamby, G. Dukovic, P. W. King. "Photocatalytic Regeneration of Nicotinamide Cofactors by Quantum Dot–Enzyme Biohybrid Complexes." ACS Catalysis20166 (4), 2201-2204.

J. L. Ellis, D. D. Hickstein, W. Xiong, F. Dollar, B. B. Palm, K. E. Keister, K. M. Dorney, C. Ding T. Fan, M. B. Wilker, K. J. Schnitzenbaumer, G. Dukovic, J. L. Jimenez, H. C. Kapteyn, M. M. Murnane. "Materials Properties and Solvated Electron Dynamics of Isolated Nanoparticles and Nanodroplets Probed with Ultrafast Extreme Ultraviolet Beams." Journal of Physical Chemistry Letters, 20167, 609-615.

K. Lee, Y.-G. Lu, C.-H. Chuang, J. Ciston, G. Dukovic. "Synthesis and Characterization of (Ga1-xZnx)(N1-xOx) Nanocrystals with a Wide Range of Compositions." Journal of Materials Chemistry A, 2016, 4, 2927-2935.

K. J. Schnitzenbaumer, T. Labrador, G. Dukovic. "Impact of Chalcogenide Ligands on Excited State Dynamics in CdSe Quantum Dots." Journal of Physical Chemistry C, 2015119 (23), 13314-13324.

C.-H. Chuang, Y.-G. Lu, K. Lee, J. Ciston, G. Dukovic. "Strong Visible Absorption and Broad Timescale Excited State Relaxation in (Ga1-xZnx)(N1-xOx) Nanocrystals." Journal of the American Chemical Society, 2015137 (20), 6452-6455.

J. L. Ellis, D. D. Hickstein, K. J. Schnitzenbaumer, M. B. Wilker, B. B. Palm, J. L. Jimenez, G. Dukovic, H. C. Kapteyn, M. Murnane and W. Xiong. "Solvents effects on charge transfer from quantum dots." Journal of the American Chemical Society, 2015137, 3759-3762.

K. Lee, D. A. Ruddy, G. Dukovic, N. R. Neale. "Synthesis, Optical, and Photocatalytic Properties of Cobalt Mixed-Metal Spinel Oxides Co(Al1-xGax)2O4." Journal of Materials Chemistry A, 20153, 8115-8122.

J. K. Utterback, M. B. Wilker, K. A. Brown, P. W. King, J. D. Eaves and G. Dukovic. "Competition between electron transfer, trapping, and recombination in CdS nanorod-hydrogenase complexes.Physical Chemistry Chemical Physics, 201517, 5538-5542.

K. J. Schnitzenbaumer, G. Dukovic. "Chalcogenide-Ligand Passivated CdTe Quantum Dots Can Be Treated as as Core/Shell Semiconductor Nanostructures.Journal of Physical Chemistry C, 2014118, 28170–28178.

D. D. Hickstein, F. Dollar, J. L. Ellis, K. J. Schnitzenbaumer, K. E. Keister, G. M. Petrov, C. Ding, B. B.Palm, J. A. Gaffney, M. E. Foord, S. B. Libby, G. Dukovic, J. L. Jimenez, H. C. Kapteyn, M. M. Murnane,W. Xiong. "Mapping Nanoscale Absorption of Femtosecond Laser Pulses Using Plasma Explosion Imaging.ACS Nano, 20148, 8810-8818.

M. B. Wilker, K.E. Shinopoulos, K. A. Brown, D. W. Mulder, P. W. King, G. Dukovic. "Electron transfer kinetics in CdS nanorod-[FeFe] hydrogenase complexes and implications for photochemical H2 generation.Journal of the American Chemical Society, 2014136, 4316–4324. 

This manuscript was featured in JACS Spotlights. Journal of the American Chemical Society2014136,4795–4796: http://pubs.acs.org/doi/full/10.1021/ja5028452

B. M. Tienes, R. J. Perkins, R. K. Shoemaker, G. Dukovic. "Layered Phosphonates in Colloidal Synthesis of Anisotropic ZnO Nanocrystals.Chemistry of Materials, 2013, 25, 4321-4329. 

W. Xiong, D. D. Hickstein, K. J. Schnitzenbaumer, J. L. Ellis, B. B. Palm, K. E. Keister, C. Ding, L. Miaja-Avila, G. Dukovic, J. L. Jimenez, M. M. Murnane, H. C. Kapteyn. "Photoelectron Spectroscopy of CdSe Nanocrystals in the Gas Phase: A Direct Measure of the Evanescent Electron Wave Function of Quantum Dots.Nano Letters, 2013,13, 2924–2930.

H. W. Tseng , M. B. Wilker , N. H. Damrauer, G. Dukovic. "Charge Transfer Dynamics between Photoexcited CdS Nanorods and Mononuclear Ru Water-Oxidation Catalysts.Journal of the American Chemical Society, 2013, 135, 3383–3386. 

(Invited review) M. B. Wilker, K. J. Schnitzenbaumer, G. Dukovic. "Recent progress in photocatalysis mediated by colloidal II-VI nanocrystals.Israel Journal of Chemistry, 201252, 1002–1015 (special issue "Nanochemistry: Wolf Prize for A. Paul Alivisatos and Charles M. Lieber") 

K. Lee, B. M. Tienes, M. B. Wilker, K. J. Schnitzenbaumer, G. Dukovic. "(Ga1–xZnx)(N1–xOx) Nanocrystals: Visible Absorbers with Tunable Composition and Absorption Spectra.Nano Letters, 201212, 3268–3272. 

K. A. Brown, M. B. Wilker, M. Boehm, G. Dukovic, P. W. King. “Characterization of Photochemical Processes for H2 Production by CdS Nanorod–[FeFe] Hydrogenase Complexes.Journal of the American Chemical Society, 2012134, 5627-5636.

This manuscript was featured in JACS Spotlights. Journal of the American Chemical Society2012, 1345005: http://pubs.acs.org/doi/full/10.1021/ja302470c

D. Song, F. Wang, G. Dukovic, M. Zheng, E. D. Semke, L. E. Brus, T. F. Heinz. "Measurement of the optical Stark effect in semiconducting carbon nanotubes.Applied Physics A, 200996, 283-287.

G. Dukovic, M. G. Merkle, J. H. Nelson, S. M. Hughes, A. P. Alivisatos. “Photodeposition of Pt on Colloidal CdS and CdSe/CdS Semiconductor Nanostructures.Advanced Materials, 200820, 4306-4311.

D. Song, F. Wang, G. Dukovic, M. Zheng, E. D. Semke, L. E. Brus, T. F. Heinz. “Direct Measurement of the Lifetime of Optical Phonons in Single-Walled Carbon Nanotubes.” Physical Review Letters, 2008100, 225503.

F. Wang, G. Dukovic, Y. Wu, M. S. Hybertsen, L. E. Brus, T. F. Heinz. "Auger recombination of excitons in semiconducting carbon nanotubes.Springer Series in Chemical Physics, 200788, 683-685.

D. Song, F. Wang, G. Dukovic, M. Zheng, E. D. Semke, L. E. Brus, T. F. Heinz. “Observation of the optical Stark effect in semiconducting carbon nanotubes.” Springer Series in Chemical Physics, 200888, 674-676.

G. Dukovic, M. Balaz, P. Doak, N. D. Berova, M. Zheng, R. S. McLean, L. E. Brus. "Racemic single-walled carbon nanotubes exhibit circular dichroism when wrapped with DNA.Journal of the American Chemical Society, 2006128, 9004-9005.

F. Wang, G. Dukovic, L. E. Brus, T. F. Heinz."The optical resonances in carbon nanotubes arise from excitons." Science, 2005308, 838-841.

G. Dukovic, F. Wang, D. Song, M. Y. Sfeir, T. F. Heinz, L. E. Brus. "Structural dependence of excitonic optical transitions and band gap energy in carbon nanotubes.Nano Letters, 20055, 2314-2318.

G. Dukovic, B. E. White, Z. Zhou, F. Wang, S. Jockusch, M. L. Steigerwald, T. F. Heinz, R. A. Friesner, N. J. Turro, L. E. Brus. "Reversible surface oxidation and efficient luminescence quenching in semiconductor single-walled carbon nanotubes.Journal of the American Chemical Society, 2004, 126, 15269-15276.

F. Wang, G. Dukovic, E. Knoesel, L. E. Brus, T. F. Heinz. "Observation of rapid Auger recombination in optically excited semiconducting carbon nanotubes.Physical Review B, 2004, 70, 241403.

F. Wang, G. Dukovic, L. E. Brus, T. F. Heinz. "Time-resolved fluorescence of carbon nanotubes and its implication for radiative lifetimes.Physical Review Letters, 200492, 177401.

L. Huang, X. Cui, G. Dukovic, S. O’Brien. "Self-organizing high-density single-walled carbon nanotube arrays from surfactant suspensions.Nanotechnology, 200415, 1450-1454.

K. Schmalenberg, G. Dukovic, L. Garfias, K. E. Uhrich. "Spectroscopic and microscopic analysis of micropatterned polymer substrates for directing cell growth." Polymeric Materials Science and Engineering, 2001, 84, 285.

T. J. Emge, A. Agrawal, J. Dalessio, G. Dukovic, J. A. Inghrim, K. Janjua, M. Macaluso, L. Robertson, T. J. Stiglic, Y. Volovik, M. M. Georgiadis. "Alaninyltryptophan hydrate, glycyltryptophan dehydrate and tryptophylglycine hydrate.Acta Crystallographica, 2000C56, E469-E471.

K. Patterson, M. Yamachika, R. Hung, C. N. Brodsky, S. Yamada, M. Somervell, B. Osborn, D. Hall, G. Dukovic, J. Byers, W. Conley, C. G. Willson. "Polymers for 157-nm photoresist applications: a progress report.Proceedings of the SPIE, 20003999, 365-374.