Argonne National Laboratory

Science Highlights

Date Postedsort ascending
Interface details for a self-assembled peptide/Zn-porphyrin/TiO2 array
Photo-Initiated Charge Separation in Nanobiohybrid Complex

In natural systems, electron flow is mediated by proteins that spatially organize donor and acceptor molecules with great precision.

September 19, 2014
Inhomogeneous Surface Plasmon Polaritons

Researchers in the CNM's Theory & Modeling and Nanophotonics groups have discovered a new way to control light.

August 29, 2014
An STM study has called into question the existence of silicene, thought to be a new miracle two-dimensional nanomaterial. Pictured are researchers (clockwise from bottom left) Nathan Guisinger, Andrew J. Mannix, Brian Kiraly and Brandon L. Fisher. Photo credit: Wes Agresta, Argonne National Laboratory.
Silicene? Silicon at the Two-Dimensional Limit

A thorough investigation of silicon deposition on Ag(111) was performed by researchers in the CNM's' Electronic & Magnetic Materials & Devices Group and Northwestern University using advanced surface science characterization methods.

August 1, 2014
Argonne materials scientists Seungbum Hong (left) and Andreas Roelofs (CNM Interim Facility Director) adjust an atomic force microscope. Click to enlarge. Photo credit: Wes Agresta/Argonne National Laboratory.
Microscopy Charges Ahead

Polarization charges in ferroelectric materials are screened by equal amounts of surface charges with opposite polarity under ambient conditions.

July 1, 2014
The thin-film transistor is flexible, transparent and performs just as well as commercial versions. Displayed is an array of transistors – each of which are just 10 atomic layers thick. Photo by Mark Lopez/Argonne National Laboratory.
New Flexible Transparent Thin-Film Transistors

Users from Argonne's HEP Division, working with CNM researchers, report 10-atomic-layer-thick, high-mobility, transparent thin film transistors with ambipolar device characteristics fabricated on both a conventional silicon platform as well as on a flexible polyethylene terephthalate substrate.

June 1, 2014
Hybrid metal-semiconductor nanorod cluster that can promote photocatalytic multiple-electron reduction reactions. The energy diagram highlights the band edges of CdSe and the Fermi level of Au (from Chem. Comm. 2014, 50, 1411).
Catalysis with Au-Tipped CdSe Nanorod Clusters

Clusters of gold (Au)-tipped CdSe nanorods were synthesized by researchers in the CNM Nanophotonics Group through nanorod polymerization driven by the controlled welding of the Au tips.

May 1, 2014
Photonic curing process of CuInSe2 nanocrystal film showing removal of capping ligands where multiexciton transport occurs.
New Solar Cell Technology Efficiently Captures High-Energy Photons

Transient absorption spectroscopy measurements performed at the CNM by users from the University of Texas at Austin, together with the CNM Nanophotonics Group, played a critical role in the detection of multiexcitons in the inexpensive model thin-film semiconductor CuInSe2.

April 1, 2014
Self-Assembled Active Bio-Inspired Materials

Self-assembled tunable structures of polymer fibers ranging from wavy colloidal "fur" to highly interconnected networks were created dynamically by Center for Nanoscale Materials (CNM) users from A

March 1, 2014
Thermotropic Phase Boundaries in Classic Ferroelectrics

Novel monoclinic subphases in ferroelectric BaTiO3 were observed by CNMs users from The Pennsylvania State University in collaboration with CNM's X-Ray Microscopy Group and scientists from the Center for Nanophase Materials Sciences.

February 1, 2014
Graphene Growth on Silver

Users from Northwestern University, working with the Center for Nanoscale Materials EMMD Group, have demonstrated the first growth of graphene on a sil

January 1, 2014