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Symposium Z: Organic and Nanoparticle Hybrid Photovoltaic Devices

April 10 - 13, 2007
Chairs

Michael F. Durstock		Air Force Research Laboratory
Anvar Zakhidov		University of Texas-Dallas
Michael Graetzel		Ecole Polytechnique Federale de Lausanne
Lynne A. Samuelson		U. S. Army RDECOM

---

* Invited paper

SESSION Z1: Polymer-Based Devices I
Tuesday Morning, April 10, 2007
Room 2009 (Moscone West)
8:30 AM *Z1.1
Challenges in Flexible Organic Phovoltaics. Christoph J. Brabec, J. Hauch, S. Choulis, P. Schilinsky, E. Zeira and I. Sokolik; Konarka Technologies Inc., Lowell, Massachusetts.

9:00 AM Z1.2
P3HT:PCBM Bulk Heterojunction Solar Cells: Morphological And Electrical Characterization And Performance Optimization. Tom Aernouts¹, Peter Vanlaeke^1,2,3, Ilse Haeldermans^2,3, Jan D'Haen^2,3, Jean V Manca^2,3, Paul Heremans¹ and Jef Poortmans¹; ¹MCP, IMEC, Leuven, Belgium; ²IMOMEC, IMEC, Diepenbeek, Belgium; ³Institute for Materials Research, Hasselt University, Diepenbeek, Belgium.

9:15 AM Z1.3
Self Assembly of a Donor/Acceptor Block Copolymer and Its Effect to Photovoltaic Property Sam-Shajing Sun, Cheng Zhang, Soobum Choi, Kang Seo and Carl Bonner; Center for Materials Research, Norfolk State University, Norfolk, Virginia.

9:30 AM Z1.4
Optimizing Materials for Bulk-Heterojunction Polymer:Fullerene Photovoltaics Kevin Sivula, Barry C. Thompson, Scott A. Backer, David F. Kavulak, Bumjoon J. Kim and Jean M. J. Fréchet; Departments of Chemistry and Chemical Engineering, University of California, Berkeley, Berkeley, California.

9:45 AM Z1.5
Development of Conjugated Polymers for use in Polymer-Polymer Bulk-Heterojunction Photovoltaic Devices. Barry C Thompson¹, Kevin Sivula², David F Kavulak¹ and Jean M J Frechet^1,2; ¹Chemistry, University of California, Berkeley, Berkeley, California; ²Chemical Engineering, University of California, Berkeley, Berkeley, California.

10:00 AM BREAK

10:30 AM *Z1.6
Spatial Fourier Transform Analysis of the Morphology of Bulk Heterojunction Materials Used in ``Plastic" Solar Cells. Alan Heeger and Wanli Ma; UCSB, Santa Barbara, California.

11:00 AM Z1.7
Chemically Fixed Polymer Homojunction Photovoltaic Cells. Janelle M Leger and Glenn P Bartholomew; Chemistry, University of Washington, Seattle, Washington.

11:15 AM Z1.8
Degradation Kinetics of Polymer/fullerene Bulk Heterojunction Solar Cells. Sabine Bertho¹, Wouter Moons¹, Ilse Haeldermans¹, Ann Swinnen¹, Laurence Lutsen², Jean Manca^1,2 and Dirk Vanderzande^1,2; ¹Institute for Materials Research, Hasselt University, Diepenbeek, Belgium; ²IMOMEC, IMECvzw, Diepenbeek, Belgium.

11:30 AM Z1.9
Air-stable Polymer Solar Cells Kwanghee Lee, Jin Young Kim and A. J. Heeger; Center for Polymers and Organic Solids, University of California at Santa Barbara, Santa Barbara, California.

11:45 AM Z1.10
Microwave Annealing Processes in Polymer Photovoltaic Devices. Fang-Chung Chen¹, Chu-Jung Ko² and Yi-Kai Lin¹; ¹Department of Photonics and Display Institute, National Chiao Tung University, Hsinchu, Taiwan; ²Department of Photonics & Institute of Electro-optical Engineering, National Chiao Tung University, Hsinchu, Taiwan.

SESSION Z2: Polymer-Based Devices II
Tuesday Afternoon, April 10, 2007
Room 2009 (Moscone West)
1:30 PM *Z2.1
A Library of Fullerene Derivatives for Application in Bulk Heterojunctions. Jan C. Hummelen, Molecular Electronics, Materials Science Centre Plus, University of Groningen, Groningen, Netherlands.

2:00 PM Z2.2
Integrated Organic Photovoltaic Modules with a Scalable Voltage Output. William J. Potscavage, Seunghyup Yoo, Benoit Domercq, Jungbae Kim, Joe Holt and Bernard Kippelen; School of Electrical and Computer Engineering and Center for Organic Photonics and Electronics (COPE), Georgia Institute of Technology, Atlanta, Georgia.

2:15 PM Z2.3
Photovoltaic Performance of Solution Processed Oligoacene:fullerene Bulk Heterojunctions. Matthew Thomas Lloyd¹, Alex C. Mayer^1,3, John E. Anthony² and George G. Malliaras¹; ¹Department of Materials Science and Engineering, Cornell University, Ithaca, New York; ²Department of Chemistry, University of Kentucky, Lexington, Kentucky; ³Department of Materials Science and Engineering, Stanford Univeristy, Palo Alto, California.

2:30 PM *Z2.4
Organic Phototransistors vs. Organic Photodetectors Birendra Thokchom Singh, Nenad Marjanovic and Niyazi Serdar Sariciftci; Physical Chemistry, Johanes Kepler University Linz, Linz Institute of Organic Solar Cells(LIOS), Linz, Linz, Austria.

3:00 PM BREAK

3:30 PM *Z2.5
Charge-Separation and Exciton-Migration Processes in Organic Semiconductors for Solar-Cell Applications Jean-Luc Bredas, Chemistry and Biochemistry, Georgia Tech, Atlanta, Georgia.

4:00 PM Z2.6
Tuning the Photophysical Properties of Polyfluorene by Conformational Engineering of the Single Chain. Enrico Da Como¹, Klaus Becker¹, Manfred J. Walter², John M. Lupton² and Jochen Feldmann¹; ¹Department of Physics, Ludwig-Maximilians-Universität Munich, Munich, Germany; ²Department of Physics, University of Utah, Salt Lake City, Utah.

4:15 PM Z2.7
Transparent Polymer Solar Cells with Invert Structure Gang Li, Chi-Wei Chu, Vishal Shrotriya, Jinsong Huang and Yang Yang; MSE, UCLA, Los Angeles, California.

4:30 PM Z2.8
Optical Enhancement in Semitransparent Organic Photovoltaic Cells. Ging Meng Ng, Elizabeth Lekha Paul, Thomas Kietzke, Li Wei Tan, Pooi Kwan Liew and Furong Zhu; Institute of Materials Research and Engineering, Singapore, Singapore.

4:45 PM Z2.9
Design and Optimization of Organic Photovoltaics with Oxadiazole Containing Poly(p-phenylenevinylene)s [OXA-PPVs]. Changhee Ko¹, Olga Yu Zolotarskaya¹, Yashpal Bhandari¹ and Mary E Galvin²; ¹Materials Science and Engineering, University of Delaware, Newark, Delaware; ²Air Products and Chemicals, Inc., Allentown, Pennsylvania.

SESSION Z3: Variable Bandgap Materials and Nanostructured Devices I
Wednesday Morning, April 11, 2007
Room 2009 (Moscone West)
8:30 AM *Z3.1
Low Band Gap and Multi-junction Polymer Solar Cells. Rene A. J. Janssen, Martijn M. Wienk, Arjan P. Zoombelt, Jan Gilot and Mathieu Turbiez; Molecular Materials and Nanosystems, Eindhoven University of Technology, Eindhoven, Netherlands.

9:00 AM *Z3.2
Functional and Variable Gap Conjugated Polymers in Hybrid Photovoltaic Devices John R Reynolds and Kirk S Schanze; Chemistry, University of Florida, Gainesville, Florida.

9:30 AM Z3.3
A Red-absorbing Polyfluorene as Donor and Acceptor in Hybrid Photovoltaic Devices. Henry Mo Pun Wong¹, Peng Wang¹, Agnese Abrusci¹, Mattias Svensson², Mats R Andersson² and Neil C Greenham¹; ¹Cavendish Laboratory, University of Cambridge, Cambridge, United Kingdom; ²Materials and Surface Chemistry, Chalmers University of Technology, Göteborg, Sweden.

9:45 AM Z3.4
Optimizing Absorption and Transport in APFO3:PCBM Polymer Solar Cells. Fengling Zhang¹, Mats Andersson² and Olle Inganas¹; ¹Linköping University, Linköping, Sweden; ²Chalmers University of Technology, Göteborg, Sweden.

10:00 AM BREAK

10:30 AM Z3.5
Abstract Withdrawn

10:45 AM Z3.6
Photocurrent Enhancement by 3-D Transparent Carbon Nanotube Charge Collectors in Polymeric Solar Cells. Anvar A Zakhidov, Kamil Mielczarek, Sergey B. Lee, Mei Zhang, Shaoli Fang and Ray H. Baughman; Physics, University of Texas at Dallas, Richardson, Texas.

11:00 AM Z3.7
Ordered Structures for Photovoltaic Devices Michael Durstock¹, Adam P. Smith^2,1, Britt Minch^2,1, Tae-Sik Kang¹ and Barney E. Taylor^3,1; ¹The Air Force Research Laboratory, Wright-Patterson Air Force Base, Ohio; ²UES, Inc., Beavercreek, Ohio; ³Universal Technology Corp., Dayton, Ohio.

11:15 AM Z3.8
Optimization of ZnO Nanorod Array Morphology and Chemistry for Polymer Hybrid Photovoltaic Devices Yun-Ju Lee, Dana C. Olson, David A. Scrymgeour, Darren R. Dunphy, James A. Voigt and Julia W. P. Hsu; Sandia National Laboratories, Albuquerque, New Mexico.

11:30 AM Z3.9
Holographically Patterned Organic Photovoltaic Devices Adam P. Smith^2,1, Eric R. Beckel^3,1, Augustine M. Urbas¹, Vincent P. Tondiglia^4,1, Barney E. Taylor^5,1, Timothy J. Bunning¹ and Michael F. Durstock¹; ¹Wright Patterson Air Force Base, Wright Patterson AFB, Ohio; ²UES, Inc., Beavercreek, Ohio; ³General Dynamics Information Technology, Dayton, Ohio; ⁴SAIC, Dayton, Ohio; ⁵Universal Technology Corporation, Dayton, Ohio.

11:45 AM Z3.10
Engineering Vertical Composition Variations in Spin-Coated Thin Films of Low-Bandgap Polyfluorene Copolymers and PCBM for Solar Cell Applications. Cecilia Bjorstrom¹, Jakub Rysz², Adrzej Bernasik³, Andrzej Budkowski² and Ellen Moons¹; ¹Department of Physics, Karlstad University, Karlstad, Sweden; ²Institute of Physics, Jagiellonian University, Kraków, Poland; ³Faculty of Physics and Applied Computer Science, AGH- University of Science and Technology, Kraków, Poland.

SESSION Z4: Small Molecule-Based Devices
Wednesday Afternoon, April 11, 2007
Room 2009 (Moscone West)
1:30 PM *Z4.1
Solution Processed Photovoltaic Cells from Small Molecules. George Malliaras¹, Matt T. Lloyd¹ and John E. Anthony²; ¹Materials Science, Cornell University, Ithaca, New York; ²Department of Chemistry, University of Kentucky, Lexington, Kentucky.

2:00 PM Z4.2
Synthesis and Photovoltaic Applications of Discotic Liquid Crystalline Phthalocyanines. Britt A. Minch^1,2, Adam P. Smith^1,2, Barney E. Taylor^1,3, James R. Deneault^1,3 and Michael F. Durstock¹; ¹MLBP, AFRL, Wright-Patterson AFB, Ohio; ²UES, Dayton, Ohio; ³UTC, Beavercreek, Ohio.

2:15 PM Z4.3
Enhancing the Absorption of Organic Solar Cells by Photon Harvesting Antenna Systems Robert Koeppe¹, Olivia Bossart², Gion Calzaferri² and Niyazi Serdar Sariciftci¹; ¹LIOS, JKU Linz, Linz, Austria; ²Department of Chemistry and Biochemistry, University of Berne, Bern, Switzerland.

2:30 PM Z4.4
Hydrogen-bonded Phthalocyanine Molecular Assemblies Demonstrating Homeotropic Alignment: Studies of Molecular Order and Electrical Properties Niranjani Kumaran¹, Alexander Veneman¹, Britt Minch², Wei Xia³ and Neal Armstrong¹; ¹Department of Chemistry, University of Arizona, Tucson, Arizona; ²Air Force Research Laboratories, Wright-Patterson AFB, Ohio; ³Veeco Metrology, Inc, Santa Barbara, California.

2:45 PM Z4.5
One-Dimensional Morphology and Controlled Orientation of Donor-Acceptor Blends Made of Self-Assembled Phthalocyanine-Based Molecular Fibers. Volodimyr Duzhko and Kenneth D. Singer; Physics, Case Western Reserve University, Cleveland, Ohio.

3:00 PM BREAK

3:30 PM *Z4.6
Fullerene-Based Organic Photovoltaics Using Various Hole Transporters. Zakya H Kafafi, Naval Research Laboratory, Washington, District of Columbia.

4:00 PM Z4.7
Synthesis and Characterization of Electropolymerized Porphyrin Nanofibers Carl C. Wamser and Michael G. Walter; Chemistry, Portland State University, Portland, Oregon.

4:15 PM Z4.8
Role of the Metal Center in Determining the Electrical Characteristics of Metallophthalocyanine-based Organic Photovoltaics. Gary Kushto, Mason Wolak and Zakya Kafafi; U.S. Naval Research Laboratory, Washington, District of Columbia.

4:30 PM Z4.9
Electrical and Photoelectrical Properties of Nanostructured ZnO Thin Films for Photovoltaic Applications. Stefan Antohe¹, Lucian Ion¹, Cezar Tazlaoanu¹, Gabriel Socol², Larisa Magherusan¹, Ion Mihailescu² and Vlad-Andrei Antohe¹; ¹Faculty of Physics, University of Bucharest, Bucharest-Magurele, Romania; ²National Institute for Plasma Physics, Bucharest-Magurele, Romania.

SESSION Z5: Nanostructured Devices II and Dye-Sensitized Cells
Thursday Morning, April 12, 2007
Room 2009 (Moscone West)

8:15 AM *Z5.1
Outstanding Young Investigator Award Talk:  Nanostructured Polymer-titania Solar Cells. Michael David McGehee, Materials Science and Engineering, Stanford University, Stanford, California.

9:00 AM Z5.2
The Importance of Relating Charge Transport and Recombination Rates to Charge Carrier Density in Nano-material Based Photovoltaics (and Other Electronics). Brian C O'Regan, Chris Shuttle and James Durrant; Imperial College London, London, United Kingdom.

9:15 AM Z5.3
Dye Ssensitized Solar Cells using Well- Aligned ZnO Nanotips Arrays on Transparent Conducting Substrates. Aurelien Du Pasquier¹, Hanhong Chen² and Yicheng Lu²; ¹MSE, Rutgers, The State University of New Jersey, Piscataway, New Jersey; ²ECE, Rutgers, The State University of New Jersey, Piscataway, New Jersey.

9:30 AM Z5.4
Nanostructured Hybrid Solar Cells. Vignesh Gowrishankar¹, Albert T. Chan¹, Shawn R. Scully¹, Michael D. McGehee¹, Qi Wang² and Howard M. Branz²; ¹Materials Science, Stanford University, Stanford, California; ²National Renewable Energy Laboratory, Golden, Colorado.

9:45 AM Z5.5
A New Strategy to Fabricate a Colloidal Array Templated TiO2 Photoelectrode for Dye-sensitized Solar Cells. Su-Chul Yang, Eun-sik Kwak, Il-doo Kim, Junkyung Kim and Hyunjung Lee; KIST, Seoul, South Korea.

10:00 AM BREAK

10:30 AM *Z5.6
Solid-state and Fully Electronic ``liquid" Hole-transporter-based Dye-sensitized Solar Cells. Henry James Snaith^1,2 and Michael Grätzel¹; ¹Institute of Chemical Science and Engineering, Ecole Polytechnique Federale de Lausanne, Lausanne, Vaud, Switzerland; ²Department of Physics, University of Cambridge, Cambridge, United Kingdom.

11:00 AM Z5.7
Abstract Withdrawn

11:15 AM Z5.8
Solid State Dye-Sensitized Solar Cells using Polydiacetylene for Hole Conduction. Yanping Wang¹, Lian Li¹, Fadong Yan¹, Ke Yang¹, Lynne A. Samuelson² and Jayant Kumar¹; ¹Center for Advanced Materials, University of Massachusetts Lowell, Lowell, Massachusetts; ²Nanomaterials Science Team, U.S. Army Natick Soldier, RDECOM, Natick, Massachusetts.

11:30 AM Z5.9
Towards `Green' Solid-state Polythiophene-sensitized Solar Cells using a Fully Water Based Preparation Method. Ilse Haeldermans^1,2, Koen Vandewal¹, Wouter Moons¹, Ine Truijen², Marlies Van Bael^2,3, Jan D’Haen¹, Jean Manca^1,3 and Jules Mullens²; ¹Institute for Materials Research, Hasselt University, Diepenbeek, Belgium; ²Inorganic and Physical Chemistry, Hasselt University, Diepenbeek, Belgium; ³IMECvzw, division IMOMEC, Hasselt University, Diepenbeek, Belgium.

11:45 AM Z5.10
Improvement of Efficiency in DSCs by using the Combination of N719 and P3HT as Sensitizers. Osamu Yoshikawa, Supachai Ngamsinlapasathian, Takashi Sagawa and Susumu Yoshikawa; Institute of Advanced Energy, Kyoto Univeristy, Kyoto, Japan.

SESSION Z6: Dye-Sensitized Cells II and Nanoparticle Hybrid Cells I
Thursday Afternoon, April 12, 2007
Room 2009 (Moscone West)
1:30 PM Z6.1
Electrolyte Effects on the Thermodynamics and Kinetics of Interfacial Electron Transfer in TiO₂ Dye-Sensitized Solar Cells. Jordan Katz¹, Amanda L. Smeigh², Bruce S. Brunschwig¹, James K. McCusker² and Nathan S. Lewis¹; ¹Chemistry, California Institute of Technology, Pasadena, California; ²Chemistry, Michigan State University, East Lansing, Michigan.

1:45 PM Z6.2
A Novel Efficient, Iodide-free Redox Mediator for Dye-sensitized Solar Cells. Zhipan Zhang, Peter. Chao-Yu Chen, Shaik Mohammed Zakeeruddin, Jacques-Edouard Moser and Michael Grätzel; Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland.

2:00 PM Z6.3
Stepwise Synthesis of a Multifunctional Strong π-electron Acceptor for Solar Cell Applications Dinesh G. Patel, Janelle M. Leger, Nick M. Bastianon and Glenn P. Bartholomew; Chemistry, University of Washington, Seattle, Washington.

2:15 PM Z6.4
Origin of Enhanced Light Harvesting in Photonic-Crystal-Based Dye-Sensitised Solar Cells. Hernan Miguez, Agustin Mihi, Francisco Javier Lopez-Alcaraz, Manuel Ocaña and Silvia Colodrero; Institute of Materials Science of Seville, Spanish Research Council, Sevilla, Spain.

2:30 PM Z6.5
Porous Nanocrystalline TiO2 Thin Films for Dye-sensitized Solar Cells. Xiaojuan Fan¹, Claudia H. Swanson¹, David L. Rogow¹, Akhilesh Tripathi² and Scott R. J. Oliver¹; ¹Chemistry & Biochemistry, UC at Santa Cruz, Santa Cruz, California; ²Rigaku Americas Corporation, The Woodlands, Texas.

2:45 PM Z6.6
A Potential of Large Scale of Dye Sensitized Solar Cells using Metallic Titanium Sheet as the Substrate for Photoelectrode. Kinji Onoda, Supachai Ngamsinlapasathian, Takuya Fujieda and Susumu Yoshikawa; Kyoto University, Uji, Japan.

3:00 PM BREAK

3:30 PM *Z6.7
Hybrid-Nanorod Polymer Solar Cells. Paul Alivisatos, Chemistry, U.C. Berkeley, Berkeley, California.

4:00 PM Z6.8
Photoelectrochemical and Photovoltaic Cells Based on CdSe Nanoparticles: Electron-Rich Thiophene Capping Agents which Provide for Incorporation Into Textured Photoelectrodes and Blended Heterojunctions. R. Clayton Shallcross, Gemma D'Ambruoso, Jeffrey Pyun and Neal Armstrong; Chemistry, University of Arizona, Tucson, Arizona.

4:15 PM Z6.9
Quantum Dot-Sensitized Nanowires for Photovoltaic Devices. Kurtis S. Leschkies¹, Divakar Ramachandran¹, Joysurya Basu¹, C. Barry Carter¹, Uwe R. Kortshagen², David J. Norris¹ and Eray S. Aydil¹; ¹Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, Minnesota; ²Department of Mechanical Engineering, University of Minnesota, Minneapolis, Minnesota.

4:30 PM Z6.10
Nanostructured Heterojunction Photovoltaic Devices Fabricated in Porous Aluminum Oxide (PAO) Templates. Martin Schierhorn¹, Shannon Boettcher¹, Nicholas Strandwitz², Emily Norvell³, Galen D. Stucky^1,2 and Martin Moskovits¹; ¹Department of Chemistry and Biochemistry, UCSB, Santa Barbara, California; ²Department of Materials, UCSB, Santa Barbara, California; ³Department of Materials Engineering, California Polytechnic State University, San Louis Obispo, California.


SESSION Z7: Poster Session
Thursday Evening, April 12, 2007
8:00 PM
Salon Level (Marriott)

Z7.1
Organic-Inorganic Nanohybrids in Complex Media. Zhiqun Lin and Jun Xu; Materials Science and Engineering, Iowa State University, Ames, Iowa.

Z7.2
Abstract Withdrawn

Z7.3
Effects of C70 Derivative in Low band Gap Polymer Photovoltaic Devices: Spectral Complementation and Morphology Optimization. Yan Yao, Gang Li, Qibing Pei and Yang Yang; Materials Science and Engineering, University of California, Los Angeles, Los Angeles, California.

Z7.4
Abstract Withdrawn

Z7.5
Template-Assisted Large Scale Vertical Implantation of Crystalline Titania Nanotube Arrays. Svetlana V. Khvan, Junkyung Kim and Sang-Soo Lee; Polymer Hybrid Research Center, Korea Institute of Science and Technology, Seoul, South Korea.

Z7.6
Silicon Nanoparticles for Photovoltaic Applications. Cedrik Meier¹, Nadine v.d. Schoot¹, Hartmut Wiggers¹, Andre Ebbers² and Axel Lorke¹; ¹Physics and Engineering Departments, University of Duisburg-Essen, Duisburg, Germany; ²Degussa AG, Duisburg, Germany.

Z7.7
Abstract Withdrawn

Z7.8
Modeling-Based Optimization of the Ordered Quantum Dot Superlattices for the Photovoltaic Efficiency Enhancement. Qinghui Shao¹, Alexander Balandin¹, A. Fedoseyev², M. Turowski² and S. Bailey³; ¹Nano-Device Laboratory, Department of Electrical Engineering, University of California, Riverside, Riverside, California; ²CFD Research Corporation, Huntsville, Alabama; ³John H. Glenn Research Center, National Aeronautics and Space Administration, Cleveland, Ohio.

Z7.9
Tuning the Morphology of Organic Bulk-Hetero Junction Photovoltaic Devices for a more Balanced Charge Transport. Lacramioara M Popescu, Harry T Jonkman and Jan C Hummelen; Materials Science Center, University of Groningen, Groningen, Netherlands.

Z7.10
Effect of Surface Modification by Solvent Exchange on Hybrid Bulk Heterojunction Solar Cell Performance. Matthew L. Monroe¹, Young Wook Kim², Truong Nguyen Tam Nguyen², Bou-hye Kim², Jaeseung Seol³, Timothy J. Anderson¹ and Chinho Park²; ¹Chemical Engineering Department, University of Florida, Gainesville, Florida; ²School of Display and Chemical Engineering, Yeungnam University, Kyeongsan, Kyeongsangbukdo, South Korea; ³LGMicron Co, Ltd, Gumi, South Korea.

Z7.11
Materials Aspects of Laminated Flexible Dye Sensitized Solar Cells. Aurelien Du Pasquier, Rutgers, The State University of New Jersey, North Brunswick, New Jersey.

Z7.12
Size-Controlled Synthesis of ZnS-Nanoparticles in an Organic Solvent and their Application in Photovoltaic Devices. Thomas Rath¹, Monika Piber¹, Thomas Griesser¹, Robert Saf¹, Dieter Meissner², Gregor Trimmel¹ and Franz Stelzer¹; ¹Graz University of Technology, Institute for Chemistry and Technology of Organic Materials, Graz, Austria; ²Upper Austrian University of Applied Sciences, co: Energy Engineering, Wels, Austria.

Z7.13
Growth and Characterisation of α-Fe2O3 Nanowires for Photovoltaic Applications. Pritesh Hiralal¹, U. Wijayantha³, H. Emrah Unalan¹, J. Driscoll² and G. Amaratunga¹; ¹Engineering, University of Cambridge, Cambridge, United Kingdom; ²Materials Science, University of Cambridge, Cambridge, United Kingdom; ³Department of Chemistry, University of Loughborough, Loughborough, United Kingdom.

Z7.14
Controlled Growth of Novel Platinum Nanostructures on Silicon and their Application to Photoelectrochemical Catalysis. Arnold J. Forman¹, Galen D. Stucky^1,2 and Eric W. McFarland³; ¹Department of Chemisty, University of California, Santa Barbara, Santa Barbara, California; ²Materials Department, University of California, Santa Barbara, Santa Barbara, California; ³Department of Chemical Engineering, University of California, Santa Barbara, Santa Barbara, California.

Z7.15
Doped Polyaniline/Crystalline Silicon pn Heterostructure Solar Cells. Weining Wang and Eric Schiff; Physics, Syracuse University, Syracuse, New York.

Z7.16
Network Structure Polymer/PCBM Organic Photovoltaic Devices So Yeon Kim², Kwang Hee Lee², Byung Doo Chin¹, Jai Kyeong Kim¹ and Jae-Woong Yu¹; ¹Optoelectronic Materials Research Center, Korea Institute of Science and Technology, Seoul, South Korea; ²Deparment of Polymer Science & Engineering, Inha University, Incheon, South Korea.

Z7.17
Optical and Electrical Properties of Composite Mesoporous Titania-P3HT films on Anodic Alumina Template Hyun Jung Her¹, Jung-Min Kim¹, Chi-Jung Kang¹, Yung-Jin Choi¹ and Yong-Sang Kim^1,2; ¹Nano Science and Engineering, Myong-Ji Univ., Yong-In, South Korea; ²Electrical Engineering, Myong-Ji Univ., Yong-In, South Korea.

Z7.18
Spray Coated Dye Solar Cell with CNT Counter Electrode. Won Jae Lee¹, Easwaramoorthi Ramasamy^1,2, Dong Yoon Lee¹ and Jae Sung Song¹; ¹Electric and Magnetic Devices Research Group, Korea Electrotechnology Research Institute, Changwon, Gyeongnam-do, South Korea; ²University of Science & Technology, Daejeon, South Korea.

Z7.19
Abstract Withdrawn

Z7.20
Abstract Withdrawn

Z7.21
Investigation of Device Optimization of Organic Bi-layer Solar Cells Young Wook Kim¹, Matthew L. Monroe², Jiyoun Seol¹, Jaeseung Seol³, Do-Hoon Kim¹, Timothy J. Anderson² and Chinho Park¹; ¹School of Display and Chemical Engineering, Yeungnam University, Kyeongsan, Kyeongsangbukdo, South Korea; ²Department of Chemical Engineering, University of Florida, Gainesville, Florida; ³LGMicron, Co, Ltd, Gumi, South Korea.

Z7.22
Two Dimensional X-shaped Oligothiophenes for Optoelectronic Applications. Olga Yu Zolotarskaya¹, Yashpal Bhandari¹ and Mary E Galvin²; ¹Materials Science and Engineering, University of Delaware, Newark, Delaware; ²Air Products and Chemicals, Allentown, Pennsylvania.

Z7.23
Abstract Withdrawn

Z7.24
Electric-Field-Assisted Aerosol Deposition of Metal Nanoparticles for Metal Nanostructure-Enhanced Organic Photovoltaic Cells Shigeo Fujimori^1,2, Rostam Dinyari¹ and Peter Peumans¹; ¹Electrical Engineering, Stanford University, Stanford, California; ²Electronic & Imaging Materials Research Labs., Toray Industries, Inc., Otsu, Shiga, Japan.

Z7.25
Direct Deposition of PbSe Nanoparticles in a Polymer Matrix by an Integrated Microwave Plasma-spin Coating Process. Sarath Witanachchi, Gayan Dedigamuwa, Marek Merlak, Pritish Mukherjee and Xiaomei Jiang; Department of Physics, University of South Florida, Tampa, Florida.

Z7.26
Swollen Polymers for the Synthesis of Photovoltaic Devices Claudia Heide Swanson, David L. Rogow, Xiaojuan Fan and Scott R.J. Oliver; Chemistry and Biochemistry, University of California, Santa Cruz, Santa Cruz, California.

Z7.27
Synthesis and Self-assembled Nanostructure of Polythiophenes Grafted Copolymers. Xiwen Chen, Xu Han, George Vamvounis and Steven Holdcroft; Chemistry, SFU, Burnaby, British Columbia, Canada.

Z7.28
Enhanced Open Circuit Voltage in SWCNTs/P3HT Nanocomposite Photovoltaics Tingying Zeng and Jianxin Geng; Chemistry, Western Kentucky University, Bowling Green, Kentucky.

Z7.29
The role of DNA thin film in PCBM/P3HT Bulk Heterojunction Solar cells. Vidyalakshmi Kolachure and Michael Jin; Materials Science and Engineering, University of Texas at Arlington, Arlington, Texas.

Z7.30
Colloidal III-V Quantum Dots for Polymer Photovoltaics Annick Anctil, Brian Landi, James Worman and Ryne Raffaelle; Physics, Rochester Institute of Technology, Rochester, New York.

Z7.31
Hybrid Monolithic Tandems of CIGS and DSSC with Transparent Carbon Nanotube Recombination Layer Anvar A Zakhidov¹, Hasan Shodiev¹ and William Shafarman²; ¹Physics, University of Texas at Dallas, Richardson, Texas; ²Institute of Energy Conversion, University of Delaware, Newark, Delaware.

Z7.32
Solar Cells from Colloidal Type-1 Quantum Dots and Type-2 Quantum Dots. Jiwon Bang, Postech, Pohang, South Korea.

Z7.33
Hybrid Solar Cells from Polymers and Silicon Nanocrystals Chin-Yi Liu and Uwe R. Kortshagen; Mechanical Engineering, University of Minnesota, Minneapolis, Minnesota.

SESSION Z8: Nanoparticle Hybrid Cells II and Surfaces & Interfaces
Friday Morning, April 13, 2007
Room 2009 (Moscone West)
8:30 AM *Z8.1
Carrier-Multiplication and Field-Enhancement Effects From the Perspective of Solar Energy Conversion. Victor I. Klimov, Chemistry Division, Los Alamos National Laboratory, Los Alamos, New Mexico.

9:00 AM Z8.2
Germanium Nanocrystals for Thin-Film Photovoltaic Devices Zak Holman, Ryan Gresback and Uwe R. Kortshagen; Mechanical Engineering, University of Minnesota, Minneapolis, Minnesota.

9:15 AM Z8.3
Surface Plasmons as a Route to Light Concentration: The Case of Quantum Dots in Self-Assembled Hybrid Nanostructures. Manuel J Romero, Jao van de Lagemaat, Garry Rumbles and Mowafak M Al-Jassim; National Renewable Energy Laboratory, Golden, Colorado.

9:30 AM Z8.4
Hybrid Gold/Silica/Nanocrystal-Quantum-Dot Superstructures: Synthesis and Analysis of Semiconductor-Metal Interactions. Bradley Scott Prall, Nanguo Liu and Victor I Klimov; Los Alamos National Lab, Los Alamos, New Mexico.

9:45 AM Z8.5
Photocatalytic Assemblies Based on CdSe Nanocrystal Quantum Dots and Surface Adsorbed Ru-polypyridine complexes. Milan Sykora¹, Melissa A. Petruska¹, James Alstrum-Acevedo², Ilya Bezel¹, Jason Leonard¹, Thomas J. Meyer² and Victor I. Klimov¹; ¹C-PCS, LANL, Los Alamos, New Mexico; ²Chemistry, University of North Carolina, Chapel Hill, North Carolina.

10:00 AM BREAK

10:30 AM Z8.6
Interfacial Studies of Polymer/ZnO Hybrid Solar Cells Dana C. Olson¹, Yun-Ju Lee¹, Erik D. Spoerke¹, Matthew S. White^2,3, Sean E. Shaheen², David S. Ginley², Terry R. Guilinger¹, William A. Steen¹, James A. Voigt¹ and Julia W. P. Hsu¹; ¹Sandia National Laboratories, Albuquerque, New Mexico; ²National Renewable Energy Laboratory, Golden, Colorado; ³Physics, University of Colorado, Boulder, Colorado.

10:45 AM Z8.7
Understanding Blended Solar Cell Performance with Electrical Scanning Probes David C Coffey, Obadiah Reid and David S Ginger; Chemistry, University of Washington, Seattle, Washington.

11:00 AM Z8.8
Scanning Probe Microscopy on Operational Organic Solar Cells. Klara Maturova, Martijn Kemerink and René A.J. Janssen; Molecular Materials and Nanosystems, Eindhoven University of Technology, Eindhoven, Netherlands.

11:15 AM Z8.9
ITO Electrical Non-Uniformity and the Diode Quality Factor: A Conducting-Tip Atomic Force Microscope Study Alexander Veneman, Michael Brumbach, Thomas Schulmeyer and Neal R Armstrong; Chemistry, University of Arizona, Tucson, Arizona.

11:30 AM Z8.10
Surface Functionalization and Passivation of GaAs Nanocrystals. Matthew Traub¹, Bruce S. Brunschwig² and Nathan S. Lewis¹; ¹Chemistry, California Institute of Technology, Pasadena, California; ²Molecular Materials Research Center, California Institute of Technology, Pasadena, California.

11:45 AM Z8.11
Surface Plasmons Increase Absorption in Thin Film Polymer Photovoltaic Cells. Kristofer Tvingstedt^1,3, Aliaksandr Rahachou^2,3, Igor Zozoulenko^2,3 and Olle Inganäs^1,3; ¹IFM, Linköpings University, Linköping, Sweden; ²ITN, Linköpings University, Norrköping, Sweden; ³Center of organic electronics, Linköping, Sweden.