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Louis Brus

MC 3125

work:+1 212-854-4041

leb26@columbia.edu

Brus Research Group
Selected Publications

Research Summary

Our research is in the physical chemistry of materials, interfaces, nanocrystals, and nanotubes, especially in relation to optical and electronic properties. This work can include theoretical modeling, experimental chemical physics, and synthetic chemistry. We try to understand the size evolution of solid-state properties from molecular properties. We also seek to create new materials with nanoscale structure by both kinetic and thermodynamic self-assembly methods. We specialize in Electric Force Microscopy and Laser Optical Microscopy for observation of single nano-objects. In the last several years, we have developed interests in metallic SWNT carbon nanotubes, and in Ag nanocrystals as microscopic antennas for local electromagnetic field enhancement.


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Publications
“Synthesis and Electrical Characterization of Magnetic Bilayer Graphene Intercalate”,  Namdong Kim, Kwang S. Kim, Naeyoung Jung, Louis Brus, and Philip Kim
Nano Lett. 11 (2), 860 (2011)

“Imaging Stacking Order in Few-Layer Graphene”, Chun Hung Lui, Zhiqiang Li;, Zheyuan Chen, Paul V. Klimov, Louis E. Brus, and Tony F. Heinz, Nano Lett. 11 (1), 164 (2011)

“Atmospheric Oxygen Binding and Hole Doping in Deformed Graphene on a SiO2 Substrate”,
Sunmin Ryu, Li Liu, Stephane Berciaud, Young-Jun Yu, Haitao Liu, Philip Kim, George W. Flynn, and Louis E. Brus,  Nano Lett. 10 (12), 4944 (2010)

“Plasmon Induced Photovoltage and Charge Separation in Citrate-Stabilized Gold Nanoparticles”,  
Xiaomu Wu, Elizabeth S. Thrall, Haitao Liu, Michael Steigerwald and Louis Brus, J. Phys. Chem. C 114 (30), 12896 (2010)

“Raman Enhancement on Graphene: Adsorbed and Intercalated Molecular Species”, Naeyoung Jung, Andrew C. Crowther, Namdong Kim, Philip Kim, and Louis Brus, ACS Nano 4 (11), 7005 (2010)

“Magnetic phase transition in V2O3 nanocrystals”, V. A. Blagojevic, J. P. Carlo, L. E. Brus, M. L. Steigerwald, Y. J. Uemura, S. J. L. Billinge, W. Zhou, P. W. Stephens, A. A. Aczel, and G. M. Luke
Phys. Rev. B 82, 094453 (2010)

“Electron and Optical Phonon Temperatures in Electrically Biased Graphene”, Stéphane Berciaud, Melinda Y. Han, Kin Fai Mak, Louis E. Brus, Philip Kim, and Tony F. Heinz, Phys. Rev. Lett. 104, 227401 (2010)

“Anomalous Lattice Vibrations of Single- and Few-Layer MoS2”, Changgu Lee, Hugen Yan, Louis E. Brus, Tony F. Heinz, James Hone and Sunmin Ryu, ACS Nano 4 (5), 2695 (2010)

“Energy Transfer from Individual Semiconductor Nanocrystals to Graphene”, Zheyuan Chen, Stphane Berciaud, Colin Nuckolls, Tony F. Heinz and Louis E. Brus, ACS Nano 4 (5), 2964 (2010)

“Commentary: Carbon Nanotubes, CdSe Nanocrystals, and Electron−Electron Interaction”,
Louis Brus, Nano Lett. 10 (2), 363 (2010)

“Excitons and High-Order Optical Transitions in Individual Carbon Nanotubes:A Rayleigh Scattering Spectroscopy Study,” Stéphane Berciaud, Christophe Voisin, Hugen Yan, Bhupesh Chandra, Robert Caldwell, Yuyao Shan, Louis E. Brus, James Hone, and Tony F. Heinz, Physical Review B 81, 041414(R) (2010)

“Photochemical Reactivity of Graphene,” Haitao Liu, Sunmin Ryu, Zheyuan Chen, Michael L. Steigerwald, Colin Nuckolls and Louis E. Brus , J. Am. Chem. Soc. 131(47), 17099 (2009)

“Charge Transfer Chemical Doping of Few Layer Graphenes: Charge Distribution and Band Gap Formation,” Naeyoung Jung, Namdong Kim, Steffen Jockusch, Nicholas J. Turro, Philip Kim, and Louis Brus, Nano Lett. 9 (12), 4133 (2009)

“Quantum Chemical Investigation of Cluster Models for TiO2 Nanoparticles with Water-Derived Ligand Passivation: Studies of Excess Electron States and Implications for Charge Transport in the Gratzel Cell,” Vladimir Blagojevic, Yiing-Rei Chen, Michael Steigerwald, Louis Brus, and Richard A. Friesner, J. Phys. Chem. C 113 (46), 19806 (2009)

“Tuning the Graphene Work Function by Electric Field Effect,” Young-Jun Yu, Yue Zhao, Sunmin Ryu, Louis E. Brus, Kwang S. Kim, and Philip Kim, Nano Lett. 9 (10), 3430 (2009)

“Surface States in the Photoionization of High-Quality CdSe Core/Shell Nanocrystals,” Shu Li, Michael L. Steigerwald, and Louis E. Brus, ACS Nano 3(5),1267 (2009)

“Probing the Intrinsic Properties of Exfoliated Graphene: Raman Spectroscopy of Free-Standing Monolayers,” Berciaud, Stephane, Ryu, Sunmin, Brus, Louis E., Heinz, Tony F., Nano Letters 9(1), 346 (2009)

“Noble Metal Nanocrystals: Plasmon Electron Transfer Photochemistry and Single-Molecule Raman Spectroscopy,” Louis Brus, Acc. Chem. Res. 41(12),1742 (2008)

“Reversible Basal Plane Hydrogenation of Graphene,” Ryu, Sunmin, Han, Melinda Y., Maultzsch, Janina, Heinz, Tony F., Kim, Philip. Steigerwald, Michael L., Brus, Louis E., Nano Letters 8(12), 4597 (2008)

“Graphene Oxidation: Thickness Dependent Etching and Strong Chemical Doping,” Li Liu, Sunmin Ryu, Michelle R. Tomasik, Elena Stolyarova, Naeyoung Jung, Mark S. Hybertsen, Michael L. Steigerwald, Louis E. Brus, George W. Flynn, Nano Letters 8(7), 1965 (2008)


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