Istvan Robel
Expertise in: nanotechnology, remote sensing, quantum information, laser spectroscopy, solar energy, quantum dots
Research Expertise
About
Publications
Quantum Dot Solar Cells. Harvesting Light Energy with CdSe Nanocrystals Molecularly Linked to Mesoscopic TiO2 Films
Journal of the American Chemical Society / Jan 31, 2006
Robel, I., Subramanian, V., Kuno, M., & Kamat, P. V. (2006). Quantum Dot Solar Cells. Harvesting Light Energy with CdSe Nanocrystals Molecularly Linked to Mesoscopic TiO2 Films. Journal of the American Chemical Society, 128(7), 2385–2393. https://doi.org/10.1021/ja056494n
Size-Dependent Electron Injection from Excited CdSe Quantum Dots into TiO2 Nanoparticles
Journal of the American Chemical Society / Mar 21, 2007
Robel, I., Kuno, M., & Kamat, P. V. (2007). Size-Dependent Electron Injection from Excited CdSe Quantum Dots into TiO2 Nanoparticles. Journal of the American Chemical Society, 129(14), 4136–4137. https://doi.org/10.1021/ja070099a
Mn2+-Doped Lead Halide Perovskite Nanocrystals with Dual-Color Emission Controlled by Halide Content
Journal of the American Chemical Society / Nov 07, 2016
Liu, W., Lin, Q., Li, H., Wu, K., Robel, I., Pietryga, J. M., & Klimov, V. I. (2016). Mn2+-Doped Lead Halide Perovskite Nanocrystals with Dual-Color Emission Controlled by Halide Content. Journal of the American Chemical Society, 138(45), 14954–14961. https://doi.org/10.1021/jacs.6b08085
Controlling the influence of Auger recombination on the performance of quantum-dot light-emitting diodes
Nature Communications / Oct 25, 2013
Bae, W. K., Park, Y.-S., Lim, J., Lee, D., Padilha, L. A., McDaniel, H., Robel, I., Lee, C., Pietryga, J. M., & Klimov, V. I. (2013). Controlling the influence of Auger recombination on the performance of quantum-dot light-emitting diodes. Nature Communications, 4(1). https://doi.org/10.1038/ncomms3661
Spectral and Dynamical Properties of Single Excitons, Biexcitons, and Trions in Cesium–Lead-Halide Perovskite Quantum Dots
Nano Letters / Mar 01, 2016
Makarov, N. S., Guo, S., Isaienko, O., Liu, W., Robel, I., & Klimov, V. I. (2016). Spectral and Dynamical Properties of Single Excitons, Biexcitons, and Trions in Cesium–Lead-Halide Perovskite Quantum Dots. Nano Letters, 16(4), 2349–2362. https://doi.org/10.1021/acs.nanolett.5b05077
Single‐Walled Carbon Nanotube–CdS Nanocomposites as Light‐Harvesting Assemblies: Photoinduced Charge‐Transfer Interactions
Advanced Materials / Sep 06, 2005
Robel, I., Bunker, B. A., & Kamat, P. V. (2005). Single‐Walled Carbon Nanotube–CdS Nanocomposites as Light‐Harvesting Assemblies: Photoinduced Charge‐Transfer Interactions. Advanced Materials, 17(20), 2458–2463. Portico. https://doi.org/10.1002/adma.200500418
Controlled Alloying of the Core–Shell Interface in CdSe/CdS Quantum Dots for Suppression of Auger Recombination
ACS Nano / Apr 12, 2013
Bae, W. K., Padilha, L. A., Park, Y.-S., McDaniel, H., Robel, I., Pietryga, J. M., & Klimov, V. I. (2013). Controlled Alloying of the Core–Shell Interface in CdSe/CdS Quantum Dots for Suppression of Auger Recombination. ACS Nano, 7(4), 3411–3419. https://doi.org/10.1021/nn4002825
Universal Size-Dependent Trend in Auger Recombination in Direct-Gap and Indirect-Gap Semiconductor Nanocrystals
Physical Review Letters / May 01, 2009
Robel, I., Gresback, R., Kortshagen, U., Schaller, R. D., & Klimov, V. I. (2009). Universal Size-Dependent Trend in Auger Recombination in Direct-Gap and Indirect-Gap Semiconductor Nanocrystals. Physical Review Letters, 102(17). https://doi.org/10.1103/physrevlett.102.177404
Colloidal Synthesis of Infrared-Emitting Germanium Nanocrystals
Journal of the American Chemical Society / Feb 23, 2009
Lee, D. C., Pietryga, J. M., Robel, I., Werder, D. J., Schaller, R. D., & Klimov, V. I. (2009). Colloidal Synthesis of Infrared-Emitting Germanium Nanocrystals. Journal of the American Chemical Society, 131(10), 3436–3437. https://doi.org/10.1021/ja809218s
Enhanced carrier multiplication in engineered quasi-type-II quantum dots
Nature Communications / Jun 18, 2014
Cirloganu, C. M., Padilha, L. A., Lin, Q., Makarov, N. S., Velizhanin, K. A., Luo, H., Robel, I., Pietryga, J. M., & Klimov, V. I. (2014). Enhanced carrier multiplication in engineered quasi-type-II quantum dots. Nature Communications, 5(1). https://doi.org/10.1038/ncomms5148
Electronic structure of multiquantum giant vortex states in mesoscopic superconducting disks
Proceedings of the National Academy of Sciences / Apr 16, 2002
Tanaka, K., Robel, I., & Jankó, B. (2002). Electronic structure of multiquantum giant vortex states in mesoscopic superconducting disks. Proceedings of the National Academy of Sciences, 99(8), 5233–5236. https://doi.org/10.1073/pnas.082096799
Perspectives on Designer Photocathodes for X-ray Free-Electron Lasers: Influencing Emission Properties with Heterostructures and Nanoengineered Electronic States
Physical Review Applied / Oct 17, 2018
Moody, N. A., Jensen, K. L., Shabaev, A., Lambrakos, S. G., Smedley, J., Finkenstadt, D., Pietryga, J. M., Anisimov, P. M., Pavlenko, V., Batista, E. R., Lewellen, J. W., Liu, F., Gupta, G., Mohite, A., Yamaguchi, H., Hoffbauer, M. A., & Robel, I. (2018). Perspectives on Designer Photocathodes for X-ray Free-Electron Lasers: Influencing Emission Properties with Heterostructures and Nanoengineered Electronic States. Physical Review Applied, 10(4). https://doi.org/10.1103/physrevapplied.10.047002
Hot-electron dynamics in quantum dots manipulated by spin-exchange Auger interactions
Nature Nanotechnology / Oct 07, 2019
Singh, R., Liu, W., Lim, J., Robel, I., & Klimov, V. I. (2019). Hot-electron dynamics in quantum dots manipulated by spin-exchange Auger interactions. Nature Nanotechnology, 14(11), 1035–1041. https://doi.org/10.1038/s41565-019-0548-1
Quantum Dot Thin-Films as Rugged, High-Performance Photocathodes
Nano Letters / Mar 14, 2017
Makarov, N. S., Lim, J., Lin, Q., Lewellen, J. W., Moody, N. A., Robel, I., & Pietryga, J. M. (2017). Quantum Dot Thin-Films as Rugged, High-Performance Photocathodes. Nano Letters, 17(4), 2319–2327. https://doi.org/10.1021/acs.nanolett.6b05175
Auger Up-Conversion of Low-Intensity Infrared Light in Engineered Quantum Dots
ACS Nano / Dec 12, 2016
Makarov, N. S., Lin, Q., Pietryga, J. M., Robel, I., & Klimov, V. I. (2016). Auger Up-Conversion of Low-Intensity Infrared Light in Engineered Quantum Dots. ACS Nano, 10(12), 10829–10841. https://doi.org/10.1021/acsnano.6b04928
Phonon-assisted nonlinear optical processes in ultrashort-pulse pumped optical parametric amplifiers
Scientific Reports / Mar 15, 2016
Isaienko, O., & Robel, I. (2016). Phonon-assisted nonlinear optical processes in ultrashort-pulse pumped optical parametric amplifiers. Scientific Reports, 6(1). https://doi.org/10.1038/srep23031
Temperature and Magnetic-Field Dependence of Radiative Decay in Colloidal Germanium Quantum Dots
Nano Letters / Mar 27, 2015
Robel, I., Shabaev, A., Lee, D. C., Schaller, R. D., Pietryga, J. M., Crooker, S. A., L. Efros, A., & Klimov, V. I. (2015). Temperature and Magnetic-Field Dependence of Radiative Decay in Colloidal Germanium Quantum Dots. Nano Letters, 15(4), 2685–2692. https://doi.org/10.1021/acs.nanolett.5b00344
Tuning the Redox Coupling between Quantum Dots and Dopamine in Hybrid Nanoscale Assemblies
The Journal of Physical Chemistry C / Jan 29, 2015
Ji, X., Makarov, N. S., Wang, W., Palui, G., Robel, I., & Mattoussi, H. (2015). Tuning the Redox Coupling between Quantum Dots and Dopamine in Hybrid Nanoscale Assemblies. The Journal of Physical Chemistry C, 119(6), 3388–3399. https://doi.org/10.1021/jp511178u
Photocharging Artifacts in Measurements of Electron Transfer in Quantum-Dot-Sensitized Mesoporous Titania Films
The Journal of Physical Chemistry Letters / Dec 12, 2013
Makarov, N. S., McDaniel, H., Fuke, N., Robel, I., & Klimov, V. I. (2013). Photocharging Artifacts in Measurements of Electron Transfer in Quantum-Dot-Sensitized Mesoporous Titania Films. The Journal of Physical Chemistry Letters, 5(1), 111–118. https://doi.org/10.1021/jz402338b
Heavily doped n-type PbSe and PbS nanocrystals using ground-state charge transfer from cobaltocene
Scientific Reports / Jun 18, 2013
Koh, W., Koposov, A. Y., Stewart, J. T., Pal, B. N., Robel, I., Pietryga, J. M., & Klimov, V. I. (2013). Heavily doped n-type PbSe and PbS nanocrystals using ground-state charge transfer from cobaltocene. Scientific Reports, 3(1). https://doi.org/10.1038/srep02004
High‐Sensitivity p–n Junction Photodiodes Based on PbS Nanocrystal Quantum Dots
Advanced Functional Materials / Feb 13, 2012
Pal, B. N., Robel, I., Mohite, A., Laocharoensuk, R., Werder, D. J., & Klimov, V. I. (2012). High‐Sensitivity p–n Junction Photodiodes Based on PbS Nanocrystal Quantum Dots. Advanced Functional Materials, 22(8), 1741–1748. Portico. https://doi.org/10.1002/adfm.201102532
Spectral Dependence of Nanocrystal Photoionization Probability: The Role of Hot-Carrier Transfer
ACS Nano / Jun 10, 2011
Padilha, L. A., Robel, I., Lee, D. C., Nagpal, P., Pietryga, J. M., & Klimov, V. I. (2011). Spectral Dependence of Nanocrystal Photoionization Probability: The Role of Hot-Carrier Transfer. ACS Nano, 5(6), 5045–5055. https://doi.org/10.1021/nn201135k
Infrared-Active Heterostructured Nanocrystals with Ultralong Carrier Lifetimes
Journal of the American Chemical Society / Jul 01, 2010
Lee, D. C., Robel, I., Pietryga, J. M., & Klimov, V. I. (2010). Infrared-Active Heterostructured Nanocrystals with Ultralong Carrier Lifetimes. Journal of the American Chemical Society, 132(29), 9960–9962. https://doi.org/10.1021/ja102716p
Spectroscopic Signatures of Photocharging due to Hot-Carrier Transfer in Solutions of Semiconductor Nanocrystals under Low-Intensity Ultraviolet Excitation
ACS Nano / Oct 12, 2010
McGuire, J. A., Sykora, M., Robel, I., Padilha, L. A., Joo, J., Pietryga, J. M., & Klimov, V. I. (2010). Spectroscopic Signatures of Photocharging due to Hot-Carrier Transfer in Solutions of Semiconductor Nanocrystals under Low-Intensity Ultraviolet Excitation. ACS Nano, 4(10), 6087–6097. https://doi.org/10.1021/nn1016296
Thermal stability of two-dimensional gold nanocrystal superlattices
Journal of Physics: Condensed Matter / Jun 11, 2009
Robel, I., Lin, X.-M., Sprung, M., & Wang, J. (2009). Thermal stability of two-dimensional gold nanocrystal superlattices. Journal of Physics: Condensed Matter, 21(26), 264011. https://doi.org/10.1088/0953-8984/21/26/264011
Exciton Recombination Dynamics in CdSe Nanowires: Bimolecular to Three-Carrier Auger Kinetics
Nano Letters / Jun 02, 2006
Robel, I., Bunker, B. A., Kamat, P. V., & Kuno, M. (2006). Exciton Recombination Dynamics in CdSe Nanowires: Bimolecular to Three-Carrier Auger Kinetics. Nano Letters, 6(7), 1344–1349. https://doi.org/10.1021/nl060199z
Structural changes and catalytic activity of platinum nanoparticles supported on C60 and carbon nanotube films during the operation of direct methanol fuel cells
Applied Physics Letters / Feb 13, 2006
Robel, I., Girishkumar, G., Bunker, B. A., Kamat, P. V., & Vinodgopal, K. (2006). Structural changes and catalytic activity of platinum nanoparticles supported on C60 and carbon nanotube films during the operation of direct methanol fuel cells. Applied Physics Letters, 88(7). https://doi.org/10.1063/1.2177354
Terahertz All‐Optical Molecule‐ Plasmon Modulation
Advanced Materials / Jun 27, 2006
Dintinger, J., Robel, I., Kamat, P. V., Genet, C., & Ebbesen, T. W. (2006). Terahertz All‐Optical Molecule‐ Plasmon Modulation. Advanced Materials, 18(13), 1645–1648. Portico. https://doi.org/10.1002/adma.200600366
Education
University of Notre Dame
Ph.D., Physics
Experience
Los Alamos National Laboratory
Argonne National Laboratory
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