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Author: lee richter

Displaying records 51 to 60 of 89 records.
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51. Variations in semiconducting polymer microstructure and hole mobility with spin coating speed
Published: 11/15/2005
Authors: Daniel A Fischer, S Sambasivan, Lee J Richter, Eric K Lin

52. IR Spectroscopic Characterization of the Buried Metal Interface of Metal-Molecule-Silicon Vertical Diodes
Published: 9/28/2005
Authors: Christina Ann Hacker, Curt A Richter, Lee J Richter
Abstract: We have developed and utilized p-polarized backside reflection absorption infrared spectroscopy (pb-RAIRS) to examine dielectrics between silicon substrates and metallic overlayers. The technique has been used to investigate oxides, organic layers on ...

53. In Situ Ellipsometric Study of PEG/Cl^u-^ Coadsorption on Cu, Ag, and Au
Published: 5/1/2005
Authors: Marlon L Walker, Lee J Richter, Thomas P Moffat
Abstract: Spectroscopic ellipsometry was used to examine the adsorption of polyethylene glycol (PEG) and Cl- on polycrystalline Cu, Ag and Au electrodes in sulfuric acid. In halide-free sulfuric acid, PEG adsorption on Cu and Ag is minimal at potentials positi ...

54. Comparison of Si-O-C interfacial bonding of alcohols and aldehydes on Si(111) formed from dilute solution with ultraviolet irradiation
Published: 10/8/2004
Authors: Christina Ann Hacker, Kelly A Anderson, Lee J Richter, Curt A Richter
Abstract: Aliphatic alcohols and aldehydes were reacted with the Si(111)-H surface to form Si-O-C interfacial bonds from dilute solution using ultraviolet light. The monolayers were characterized by using transmission infrared spectroscopy, spectroscopic ellip ...

55. Structure of Polystyrene at the Interface With Various Liquids
Published: 9/4/2004
Authors: Clayton S. Yang, P T. Wilson, Lee J Richter
Abstract: Vibrationally resonant sum frequency generation (VR-SFG) is used to determine the structure of the phenyl side groups of deuterated polystyrene at the liquid/solid interface for the nonsolvent liquids: hexane, methanol, ethanol, glycerol, and water. ...

56. Template Fabrication of Protein-Functionalized Gold-Polypyrrole-Gold Segmented Nanowires
Published: 9/1/2004
Authors: R M Hernandez, Lee J Richter, Stephen Semancik, Stephan J Stranick, Thomas E. Mallouk
Abstract: Gold nanowires containing protein-modified poly(pyrrole) (Ppy) junctions were synthesized electrochemically using porous aluminum oxide as a template. The effects of the conditions of electrochemical synthesis on Ppy growth and protein (avidin or st ...

57. Optical Characterization of Oligo(phenylene-ethynlyene) Self-Assembled Monolayers on Gold
Published: 8/19/2004
Authors: Lee J Richter, C S. Yang, P T Wilson, Christina Ann Hacker, Roger D van Zee, J J. Stapleton, D L. Allara, J M. Tour

58. Optical Characterization of Oligo (phenylene-ethynylene) Self-Assembled Monolayers on GoldMonolayers on Gold
Published: 7/27/2004
Authors: Lee J Richter, Clayton S. Yang, P T. Wilson, Christina Ann Hacker, Roger D van Zee, J J Stapleton, D L Allara, Yuxing Yao, J M Tour
Abstract: Vibrationally resonant sum frequency generation (VR-SFG) and spectroscopic ellipsometry (SE) have been used to characterize self-assembled monolayer films of unsubstituted and mononitro substituted oligo(phenylene-ethynylene) molecules on vapor depos ...

59. Structure and Chemical Characterization of Self-Assembled Mono-Fluoro-Substituted Oligo(phenylene-ethynlyene) Monolayers on Gold
Published: 6/22/2004
Authors: Christina Ann Hacker, James D Batteas, J C. Garno, Manuel Marquez, Curt A Richter, Lee J Richter, Roger D van Zee, Christopher D Zangmeister
Abstract: Monolayers of oligo(phenylene-ethynylene) (OPE) molecules have exhibited promise in molecular electronic test structures. This paper discusses films formed from novel molecules within this class, 2-fluoro-4-phenylethynyl-1-[(4-acetylthio)-phenylethyn ...

60. Molecular Devices Formed by Direct Monolayer Attachment to Silicon
Published: 6/17/2004
Authors: Curt A Richter, Christina Ann Hacker, Lee J Richter, Eric M. Vogel
Abstract: We present the results of studies of solution-based attachment of long-chain aliphatic molecules to hydrogen-terminated Si<111> surfaces formed to determine the electrical properties of hybrid silicon-molecular nanoelectronic devices. We have applied ...

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