Research Topics
| David J NorrisSummaryAffiliation: University of Minnesota Country: USA Publications
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Detail Information
Publications
Doped nanocrystalsDavid J Norris
Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, MN 55455, USA
Science 319:1776-9. 2008..Because impurities can be used to alter the properties of nanoscale materials in desirable and controllable ways, doped nanocrystals can address key problems in applications from solar cells to bioimaging...
Engineering metallic nanostructures for plasmonics and nanophotonicsNathan C Lindquist
Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN, USA
Rep Prog Phys 75:036501. 2012..This review focuses on top-down nanofabrication techniques for engineering metallic nanostructures, along with computational and experimental characterization techniques. A variety of current and emerging applications are also covered...
Size- and temperature-dependent charge transport in PbSe nanocrystal thin filmsMoon Sung Kang
Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Avenue SE, Minneapolis, Minnesota 55455, United States
Nano Lett 11:3887-92. 2011..The activation energy from the NNH regime was also size-dependent, which is attributed both to size-dependent Coulomb effects and the size-distribution of nanocrystals...
Monolithic integration of continuously tunable plasmonic nanostructuresNathan C Lindquist
Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
Nano Lett 11:3526-30. 2011..Furthermore, we demonstrate a pick-and-place template stripping method in situ, enabling versatile three-dimensional micromanipulation, imaging, and characterization of nanoscale devices...
Three-dimensional plasmonic nanofocusingNathan C Lindquist
Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, USA
Nano Lett 10:1369-73. 2010..Because these structures are easily and reproducibly fabricated, our results could benefit many applications, including imaging, sensing, lithography, and nonlinear spectroscopy...
Template-stripped smooth Ag nanohole arrays with silica shells for surface plasmon resonance biosensingHyungsoon Im
Department of Electrical and Computer Engineering, University of Minnesota, Twin Cities, Minneapolis, Minnesota 55455, USA
ACS Nano 5:6244-53. 2011....
Hot-electron transfer from semiconductor nanocrystalsWilliam A Tisdale
Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, MN 55455, USA
Science 328:1543-7. 2010..Moreover, the electric field resulting from sub-50-femtosecond charge separation across the PbSe-TiO2 interface excited coherent vibrations of the TiO2 surface atoms, whose motions could be followed in real time...
The role of thickness transitions in convective assemblyLinli Meng
Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Avenue SE, Minneapolis, Minnesota 55455, USA
Nano Lett 6:2249-53. 2006..In thicker crystals, the crystallization is more complicated, but the transition regions must still be considered before a complete understanding of convective assembly can be obtained...
Ultrasmooth patterned metals for plasmonics and metamaterialsPrashant Nagpal
Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, MN 55455, USA
Science 325:594-7. 2009..With the use of our method, we demonstrated structures that exhibit Raman scattering enhancements above 10(7) for sensing applications and multilayer films for optical metamaterials...
Influence of silver doping on electron transport in thin films of PbSe nanocrystalsMoon Sung Kang
Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, 55455, USA
Adv Mater 25:725-31. 2013..Data is collected as a function of nanocrystal size, dopant concentration, and temperature. Changes in the Fermi level and transport parameters indicate that Ag is acting as a p-type dopant (acceptor)...
Single-crystalline silver films for plasmonicsJong Hyuk Park
Optical Materials Engineering Laboratory, ETH Zurich, Switzerland
Adv Mater 24:3988-92. 2012..The films exhibit improved dielectric properties and allow more precise patterning of high-quality nanostructures for plasmonic applications...
Impact of ripening on manganese-doped ZnSe nanocrystalsLijun Zu
University of Minnesota, 421 Washington Avenue Southeast, Minneapolis, Minnesota 55455, USA
Nano Lett 6:334-40. 2006..We consider several explanations and conclude that intraparticle ripening, in which material is redistributed on the same nanocrystal due to evolution of the particle shape, is the most consistent with experimental observations...
Strong Electronic Coupling in Two-Dimensional Assemblies of Colloidal PbSe Quantum DotsKenrick J Williams
Department of Chemistry, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455
ACS Nano 3:1532-8. 2009..The strongly coupled quantum dot assemblies serve as both charge and energy sinks. The existence of such coupling has serious implications for electronic devices, such as photovoltaic cells, that utilize quantum dots...
Photosensitization of ZnO nanowires with CdSe quantum dots for photovoltaic devicesKurtis S Leschkies
Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Avenue SE, Minneapolis, Minnesota 55455, USA
Nano Lett 7:1793-8. 2007..5-0.6 V when illuminated with 100 mW/cm2 simulated AM1.5 spectrum. Internal quantum efficiencies as high as 50-60% were also obtained...
Size control and quantum confinement in Cu2ZnSnS4 nanocrystalsAnkur Khare
Department of Chemical Engineering and Materials Science, 421 Washington Avenue SE, Minneapolis, Minnesota 55455, USA
Chem Commun (Camb) 47:11721-3. 2011..The optical absorption spectra of nanocrystals with diameters less than 3 nm show a shift to higher energy due to quantum confinement...
Imaging "invisible" dopant atoms in semiconductor nanocrystalsAloysius A Gunawan
Department of Chemical Engineering and Materials Science and Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
Nano Lett 11:5553-7. 2011..Thus, a general path is demonstrated for atomic-scale imaging and identification of individual dopants in a variety of semiconductor nanostructures...
In vivo imaging of quantum dots encapsulated in phospholipid micellesBenoit Dubertret
Center for Studies in Physics and Biology, Laboratory of Molecular Embryology, The Rockefeller University, 1230 York Avenue, New York, NY 10021, USA
Science 298:1759-62. 2002..Nanocrystal fluorescence could be followed to the tadpole stage, allowing lineage-tracing experiments in embryogenesis...
