Istvan Robel

Expertise in: nanotechnology, remote sensing, quantum information, laser spectroscopy, solar energy, quantum dots

Research Expertise

condensed matter physics
nanotechnology
solar energy
ultrafast spectroscopy
semiconductor nanocrystals

About

Istvan has a research background in quantum dots, nanotechnology, laser spectroscopy, photovoltaics, photonics, and remote sensing. He worked in a U.S. National Laboratory environment for 16+ years and enjoys good explanations of beautiful physics concepts.

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Publications

Quantum Dot Solar Cells. Harvesting Light Energy with CdSe Nanocrystals Molecularly Linked to Mesoscopic TiO2 Films
Journal of the American Chemical Society
2006
Size-Dependent Electron Injection from Excited CdSe Quantum Dots into TiO2 Nanoparticles
Journal of the American Chemical Society
2007
Mn2+-Doped Lead Halide Perovskite Nanocrystals with Dual-Color Emission Controlled by Halide Content
Journal of the American Chemical Society
2016
Controlling the influence of Auger recombination on the performance of quantum-dot light-emitting diodes
Nature Communications
2013
Spectral and Dynamical Properties of Single Excitons, Biexcitons, and Trions in Cesium–Lead-Halide Perovskite Quantum Dots
Nano Letters
2016
Single‐Walled Carbon Nanotube–CdS Nanocomposites as Light‐Harvesting Assemblies: Photoinduced Charge‐Transfer Interactions
Advanced Materials
2005
Controlled Alloying of the Core–Shell Interface in CdSe/CdS Quantum Dots for Suppression of Auger Recombination
ACS Nano
2013
Universal Size-Dependent Trend in Auger Recombination in Direct-Gap and Indirect-Gap Semiconductor Nanocrystals
Physical Review Letters
2009
Colloidal Synthesis of Infrared-Emitting Germanium Nanocrystals
Journal of the American Chemical Society
2009
Enhanced carrier multiplication in engineered quasi-type-II quantum dots
Nature Communications
2014
Electronic structure of multiquantum giant vortex states in mesoscopic superconducting disks
Proceedings of the National Academy of Sciences
2002
Perspectives on Designer Photocathodes for X-ray Free-Electron Lasers: Influencing Emission Properties with Heterostructures and Nanoengineered Electronic States
Physical Review Applied
2018
Hot-electron dynamics in quantum dots manipulated by spin-exchange Auger interactions
Nature Nanotechnology
2019
Quantum Dot Thin-Films as Rugged, High-Performance Photocathodes
Nano Letters
2017
Auger Up-Conversion of Low-Intensity Infrared Light in Engineered Quantum Dots
ACS Nano
2016
Phonon-assisted nonlinear optical processes in ultrashort-pulse pumped optical parametric amplifiers
Scientific Reports
2016
Temperature and Magnetic-Field Dependence of Radiative Decay in Colloidal Germanium Quantum Dots
Nano Letters
2015
Tuning the Redox Coupling between Quantum Dots and Dopamine in Hybrid Nanoscale Assemblies
The Journal of Physical Chemistry C
2015
Photocharging Artifacts in Measurements of Electron Transfer in Quantum-Dot-Sensitized Mesoporous Titania Films
The Journal of Physical Chemistry Letters
2013
Heavily doped n-type PbSe and PbS nanocrystals using ground-state charge transfer from cobaltocene
Scientific Reports
2013
High‐Sensitivity p–n Junction Photodiodes Based on PbS Nanocrystal Quantum Dots
Advanced Functional Materials
2012
Spectral Dependence of Nanocrystal Photoionization Probability: The Role of Hot-Carrier Transfer
ACS Nano
2011
Infrared-Active Heterostructured Nanocrystals with Ultralong Carrier Lifetimes
Journal of the American Chemical Society
2010
Spectroscopic Signatures of Photocharging due to Hot-Carrier Transfer in Solutions of Semiconductor Nanocrystals under Low-Intensity Ultraviolet Excitation
ACS Nano
2010
Thermal stability of two-dimensional gold nanocrystal superlattices
Journal of Physics: Condensed Matter
2009
Exciton Recombination Dynamics in CdSe Nanowires:  Bimolecular to Three-Carrier Auger Kinetics
Nano Letters
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
2006
Terahertz All‐Optical Molecule‐ Plasmon Modulation
Advanced Materials
2006

Education

University of Notre Dame

Ph.D., Physics

Notre Dame, Indiana, United States of America

Experience

Los Alamos National Laboratory

Argonne National Laboratory

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