205th Meeting of The Electrochemical Society

May 9-May 14, 2004


N1 - Charge Transfer Processes in Semiconductor and Metal Nanostructures

Fullerenes, Nanotubes, and Carbon Nanostructures/Energy Technology

Monday, May 10, 2004

Salon G, Level 3

DSSC I- Photoinduced Electron Transfer

Co-Chair: G. Rumbles

10:00592 Ultrafast Photo-induced Electron Transfer from Aromatic Chromophores into Semiconductors Probed in Ultra-high-vacuum - R. Ernstorfer, L. Gundlach, S. Felber, W. Storck (Hahn-Meitner-Institute), E. Galoppini, Q. Wei (Rutgers University), L. Toeben, C. Zimmermann, R. Eichberger, and F. Willig (Hahn-Meitner-Institute)
10:40593 Ultrafast Direct and Indirect Electron Injection Processes in Photo-Excited Dye-Sensitized Nanocrystalline ZnO Film - A. Furube, R. Katoh, T. Yoshihara, Y. Tamaki, M. Murai, K. Hara, S. Murata, H. Arakawa, and M. Tachiya (National Institute of Advanced Industrial Science and Technology)
11:00594 Inter- and Intra- Component Processes Essential for Interfacial Electron Transfer Dynamics. - A. Yartsev, G. Benko, and V. Sundström (Lund University)
11:20595 Electronic Coupling Calculations for Ultrafast Photoinduced Charge-Transfer Processes from Aromatic Adsorbates to TiO2 Nanocrystals - P. Persson (California Institute of Technology) and M. Lundqvist (Uppsala University)
11:40596 Ultrafast Electron Injection From Adsorbate To Semiconductor Nanoparticles: Dependence On Semiconductors - T. Lian (Emory University)

DSSC II: Electron Transfer Kinetics

Co-Chair: F. Willig

14:00597 Thermodynamic and Kinetic Studies of Dye-Sensitized Nanocrystalline TiO2 Solar Cells - N. Lewis, E. Mayo, K. Kilså Jensen, and H. Gray (California Institute of Technology)
14:20598 Real-Time Ab Initio Simulation of the Ultrafast Photoinduced Electron Transfer from Molecular Donord to the Ti02 Acceptor - O.V. Prezhdo (University of Washington)
14:40599 Modulation of Electron Transfer Kinetics in Dye Sensitized Nanocrystalline Solar Cells - J.R. Durrant (Imperial College London)
15:00600 Theory of Charge Recombination in Dye-Sensitized Nanocrystalline Semiconductors - M. Tachiya and A. Barzykin (National Institute of Advanced Industrial Science and Technology)
15:20601 Optimized Energy Conversion With Dye Sensitized Electrodes. - G. Meyer (Johns Hopkins University)
15:40602 Photoinduced Charge Transfer Dynamics in Quinizarin (Qz) Sensitized TiO2 and ZrO2 Nanoparticles - R. Guda and H. Ghosh (Bhabha Atomic Research Center)
16:00 Twenty-Minute Intermission

DSSC III: Device Performances

Co-Chair: J. Durrant

16:20603 Interfacial Condition of Nanoporous TiO2 Electrode and Charge Transport in Dye-sensitized Solar Cells - S. Yanagida, S. Nakade, T. Kanzaki, T. Kitamura, and Y. Wada (Osaka University)
16:40604 Improvement of Cell Performance in the Dye-sensitized Solid-state Solar Cell - A. Konno, H. Kida, G.R.A. Kumara (Shizuoka University), and K. Tennakone (Institute of Fundamental Studies)
17:00605 Effect of Substrate on Dye-sensitized Solar Cell Performance using Nanocrystalline Titania - S. Ngamsinlapasathian, T. Sreethawong, Y. Suzuki, and S. Yoshikawa (Kyoto University)
17:20606 Highly Efficient Plastic Film Dye-sensitized Electrodes Based on Electrophoretical Deposition and Chemical Binding for TiO2 Mesopores - T. Miyasaka and Y. Kijitori (Toin University of Yokohama)
17:40607 Improvement of Energy Conversion Efficiencies for Quasi-Aolidified Dye Sensitized Solar Cells - M. Fujimoto, T. Kado, T. Katoh, S. Sakaguchi, D. Kosugi, R. Shiratuchi, and S. Hayase (Kyushu Institute of Technology)

Tuesday, May 11, 2004

Novel Nanomaterials

Co-Chair: K. Murakoshi

08:00608 Laser Fabrication, Spectroscopy, and Patterning of Nanoparticles - H. Masuhara, T. Asahi, T. Sugiyama, S. Ito, and H. Matsune (Osaka Univesity)
08:40609 Development of Visible-Light Active Ti0_2 Photocatalysts And Amphiphilic TiO2 Particles - T. Ohno (Kyushu Institute of Technology)
09:00610 Improved Photocatalytic Hydrogen Evolution over Mesoporous Ni/TiO_2 Prepared by Single-Step Sol-Gel Technique with Surfactant Template - T. Sreethawong, Y. Suzuki, and S. Yoshikawa (Kyoto University)
09:20611 Novel Preparation of Tio2 Photocatalysts by Multi-Gelation and Their Photocatalytic Reactivity for the Degradation of 2-Propanol - N. Bernaurdshaw, H. Yamashita (Osaka Prefecture University), Y. Okada, H. Nishijima (Chiyoda corporation), and M. Anpo (Osaka Prefecture University)
09:40 Twenty-Minute Intermission

Novel Nanoelectrodes

Co-Chair: H. Masuhara

10:00612 Cathodically Electrosynthesized Metal Oxide Films and Nanocomposites for Photoelectrochemical and Solar Cell Applications - K. Rajeshwar, C. Raman Nair, N. de Tacconi (The University of Texas at Arlington), and R. Shiratsuchi (Kyushu Institute of Technology)
10:20613 Devising Photo-rechargeable Electrochemical Cells with Mesoporous TiO2 Photoelectrodes - T. Murakami, N. Kawashima, and T. Miyasaka (Toin University of Yokohama)
10:40614 Characterization of Ultrathin PANI\PAA films on ITO - S. Marikkar, M. Brumbach, C. Carter, B. Beam, S. Saavedra, and N. Armstrong (University of Arizona)
11:00615 Multicolor Photochromism of TiO_2 Films Loaded with Ag Nanoparticles - Y. Ohko, K. Naoi, and T. Tatsuma (University of Tokyo)
11:20616 Laser Deposition and Transformation of Gold Nanospheres and Nanorods - S. Yamada (Kyushu University)
11:40617 A Comparative Study on the Electrochemical Properties of ITO and IZO as Anode Materials - M. Brumbach, N. Armstrong (University of Arizona), D. Paine, H.Y. Yeom (Brown University), S. Marikkar, and C. Carter (University of Arizona)

Carrier Dynamics

Co-Chair: T. Lian

14:00618 Exciton Diffusion and Interfacial Charge Separation in Semiconductor/Antenna Bilayers Studied by FP-TRMC - J.E. Kroeze, T.J. Savenije, L.D.A. Siebbeles, and J.M. Warman (Delft University of Technology-IRI)
14:40619 Transient Photoconductivity in CdSe Nanoparticles and Nanocrystalline TiO2 as Measured by Time-Resolved Terahertz Spectroscopy - C. Schmuttenmaer (Yale University)
15:00620 Molecules at Aqueous Interfaces - X. Shang, K. Nguyen, R. Pompano, J. Liu, and K. Eisenthal (Columbia University)
15:20621 Solid-State Nano-composite Supercapacitors for Optical Modulation - S.-H. Lee, Y. Yan, E. Tracy, R. Pitts, and S. Deb (National Renewable Energy Laboratory)
15:40622 Charge Transfer From Excited Semiconductor to Metal Nanoparticles - T. Hirakawa, V. Subramanian, and P. Kamat (University of Notre Dame)
16:00 Twenty-Minute Intermission

Dynamics in Metal Nanostructures

Co-Chair: J. Warman

16:20623 Electron Transport at Metal-molecule Junctions - X. Zhu (University of Minnesota)
16:40624 Construction and Electrochemical Properties of Multilayer Assemblies of Metal and Semiconductor Nanoclusters - K. Uosaki (Hokkaido University)
17:00625 Variable Single Electron Charging Energies and Percolation Effects in Molecularly Linked Nanoparticle Films - P. Trudeau and A.-A. Dhirani (University of Toronto)
17:20626 Control of Near Infrared Surface-Enhanced Raman Scattering Activity of Metal Nanostructured Film on Glass Substrate - K. Murakoshi (Hokkaido University)
17:40627 Excitation of Photofunctional Molecules by Plasmon Field Localized in Nanospace - A. Ishida, H. Takedatsu, and A. Fujii (Kyoto Prefecture University)

Salons E and F, Level 3

Poster Session

Co-Chairs: G. Rumbles, K. Murakoshi, and T. Lian

o628 Nanocomposite Ion-Gel Electrolytes with TiO_2 for Dye-Sensitized Solar Cells - H. Usui, H. Mastui, N. Tanabe (Fujikura Ltd.), and S. Yanagida (Osaka University)
o629 Fabrication of High-Efficiency Dye-sensitized Plastic Photocells by Low-Temperature Electrode Preparation Using a Binder-Free Nanocrystalline TiO2 coating Paste - Y. Kijitori, T. Murakami, N. Kawashima, and T. Miyasaka (Toin University of Yokohama)
o630 Diffraction Gratings on Au Surfaces Created by Micro-Contact Printing and Electropolymerization at Sub-Micron Length Scales - S. Marikkar, C. Carter, and N. Armstrong (University of Arizona)
o631 Dynamics of Charge Transfer in Strongly Coupled Porphyrin Sensitized Wide Bandgap Semiconductor Nanoparticles - R. Guda and H. Ghosh (Bhabha Atomic Research Center)

Wednesday, May 12, 2004

Salon G, Level 3

Dynamics in Semiconductor Quantum Dots

Co-Chair: T. Lian

10:00632 Relaxation Dynamics and Electron Transfer Dynamics of Photogenerated Electrons and Holes in Quantum Dots and Quantum Dot Arrays and Applications to Photo Conversion - A.J. Nozik, R.J. Ellingson, J.L. Blackburn, O.I. Micic, and J. Murphy (National Renewable Energy Laboratory)
10:40633 Femtosecond Spectroscopic Study of Digenite Quantum Dots. Discrimination of the Electron and Hole Dynamics - C. Burda, Y. Lou, and X. Chen (Case Western Reserve University)
11:00634 Electron and Hole Transfer Across Semiconductor Quantum Dot Interfaces Studied by Transient Absorption Spectroscopy - J. Blackburn, A. Nozik, R. Ellingson, and D. Selmarten (National Renewable Energy Laboratory)
11:20635 Exciton Dynamics in GaSe Nanoparticles and Nanoparticle Aggregates - D. Kelley, H. Tu, and S. Yang (University of California, Merced)
11:40636 Functionalized and Organized Europium Sulfide Semiconductor Nanoparticles - G. Scholes, T. Mirkovic, and M. Hines (University of Toronto)

Surface Modification of Colloidal Quantum Dots

Co-Chair: A. Nozik

14:00637 Semiconductor Nanoparticles Sensitization: Effect of Saturated and Unsaturated Bridging Units - E. Galoppini (Rutgers University)
14:20638 Photochemical Preparation of Jingle Bell-shaped Cadmium Selenide Core – Silica Shell Nanoparticles - T. Torimoto, S.-Y. Murakami, K. Iwasaki, and B. Ohtani (Hokkaido University)
14:40639 Easy Method to Prepare Q-Cds Emitting Intense Band-Gap Fluorenscence - S. Kuwabata (Osaka University) and T. Torimoto (Hokkaido University)
15:00640 Surface States of Titanium Dioxide Nanoparticles Modified with Enediol Ligands - L. de la Garza, Z.V. Saponjic, N.M. Dimitrijevic, T. Rajh, and M.C. Thurnauer (Argonne National Laboratory)
15:20641 Stabilization of Ordered (CdSe)ZnS Core/Shell Quantum Dot Assemblies in Water using Amino Acids, Polypeptides and Proteins - M. Jones, S.-Y. Ding, M. Himmel, and G. Rumbles (National Renewable Energy Laboratory)
15:40642 Toward Electronically Coupled Bio-Inorganic Conjugates - D. Gosztola, Z. Saponjic, L. Chen, L. De La Garza, N. Dimitrijevic, and T. Rajh (Argonne National Laboratory)
16:00 Twenty-Minute Intermission

ET in Nanostrctures

Co-Chair: T. Rajh

16:20643 Conducting Probe Atomic Force Microscopy of Conducting Polymers Grafted to Metals - A. Tivanski and G. Walker (University of Pittsburgh)
16:40644 Effect of Peptide Ligands on the Quantized Charging Behavior of Monolayer-Protected Au38 Clusters - R.L. Donkers, S. Antonella, L. Fabris, and F. Maran (Universita di Padova)
17:00645 Control of Electron Tunneling by Manipulation of Molecular Structure and Functionality - D. Waldeck (University of Pittsburgh)
17:20646 Site-Specific Spectroscopy Studies on the Single-Molecule Interfacial Chemical Dynamics of Nanoparticles - H.P. Lu (Pacific Northwest National Laboratory)
17:40647 Electrochemical Responses and Surface Structure of Gold Electrodes Modified with Nucleic Acid Base Derivatives - Y. Sato (National Institute of Advances Industrial Science and Technology), M. Osawa (Hokkaido Univeresity), and F. Mizutani (National Institute of Advances Industrial Science and Technology)

Thursday, May 13, 2004

Conference Rooms 1 and 2, Level 3

Exciton Dissociation in Molecular Materials I

Co-Chair: G. Rumbles

08:00648 Discotic Mesophase Materials: Their Potential Use in Organic Field Effect Transistors and Organic Photovoltaics - N. Armstrong, B. Minch, W. Xia, C. Donley, A. Simmonds, and C. Carter (University of Arizona)
08:40649 Influence of Codeposition and Molecular Architecture on the Properties and Photovoltaic Performance of CuPc-C60 Heterojunction Devices - T. Jones, S. Heutz, P. Sullivan, B. Sanderson, and S. Schultes (Imperial College London)
09:00650 Porous Porphyrinic Dye Multilayer Structures for Light-to-Electrical Energy Conversion - A. Massari, K. Splan, and J. Hupp (Northwestern University)
09:20651 Fullerene Containing Polymeric Donor-Acceptor Systems for Photoelectrochemical Energy Conversion - A. Cravino, A. Gusenbauer (Johannes Kepler University Linz), G. Possamai (University of Padova), H. Neugebauer (Johannes Kepler University Linz), M. Maggini (University of Padova), and N.S. Sariciftci (Johannes Kepler University Linz)
09:40 Twenty-Minute Intermission

Exciton Dissociation in Molecular Materials II

Co-Chair: N. Armstrong

10:00652 Discrete Models of Bulk Heterojunction and Nanostructured Photovoltaic Device Operation - S. Shaheen, B. Gregg, G. Rumbles, and D. Ginley (National Renewable Energy Laboratory)
10:20653 Charge Injection and Photooxidation of Single Conjugated Polymer Molecules - S.-J. Park, A. Gesquiere, and P. Barbara (University of Texas, Austin)
10:40654 Luminescence Quenching by Charge Transfer in Conjugated Polymers - I. Samuel and A. Ruseckas (University of St Andrews)
11:00655 Ultrafast Transient Absorption Studies of Coupled Single-Walled Carbon Nanotubes - R. Ellingson, C. Engtrakul, A. Nozik, and M. Heben (National Renewable Energy Laboratory)
11:20656 Tailoring Carbon Nanofibers for Improved Chemical Reactivity: Determination of Hydrogen Peroxide Decomposition Rate Constants at Nitrogen Doped Carbon Nanofiber Surfaces - S. Maldonado and K. Stevenson (University of Texas at Austin)
11:40657 Nanoelectronics and Nanosensing using Carbon Nanotubes - L. Nagahara (Motorola Labs - Microelectronics and Physical Science Laboratory)