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2011 MRS Fall Meeting & Exhibit

November 28-December 2, 2011 | Boston

Meeting Chairs: Cammy R. Abernathy, Paul V. Braun, Masashi Kawsaki, Kathyn J. Wahl

Symposium I : Fundamental Processes of Solar Harvesting in Excitonic Solar Cells

2011-11-28   Show All Abstracts

Symposium Organizers

Venkat Bommisetty South Dakota State University
Mario Leclerc Universite Laval
Vladimir Dyakonov Julius-Maximilians University of Wuerzburg
Garry Rumbles National Renewable Energy Laboratory
Niyazi Serdar Sariciftci Johannes Kepler University of Linz
I1: Recombination
Session Chairs
Venkat Bommisetty
Vladimir Dyakonov
Monday PM, November 28, 2011
Liberty (Sheraton)

9:30 AM - **I1.1
Lessons from Nature about Solar Light Harvesting.

Gregory Scholes 1
1 Department of Chemistry, Univesity of Toronto, Toronto, Ontario, Canada

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10:00 AM - I1.2
Generation and Recombination of Polaron Pairs in Low-Bandgap Copolymers for Photovoltaics.

Enrico Da Como 1 , Raphael Tautz 1 , Jochen Feldmann 1 , Ullrich Scherf 2
1 Department of Physics and CeNS, LMU Munich, Munich Germany, 2 Department of Chemistry, University of Wuppertal, Wuppertal Germany

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10:15 AM - I1.3
Reciprocal Carrier Collection in Organic Photovoltaics.

Christopher Renshaw 1 , Cody Schlenker 2 , Mark Thompson 2 , Stephen Forrest 1 3 4
1 Physics, University of Michigan, Ann Arbor, Michigan, United States, 2 Chemistry, University of Southern California, Los Angeles, California, United States, 3 Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, Michigan, United States, 4 Materials Science and Engineering, University of Michigan, Ann Arbor, Michigan, United States

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10:30 AM - I1.4
Charge Carriers and Charge-Transfer Excitons in Realistic Organic Solar Cells Probed by Electrically Detected Magnetic Resonance.

Wolfgang Harneit 1 2 , Sebastian Schaefer 3 2
1 Institut fuer Physikalische Chemie, Johannes Gutenberg-Univeritaet Mainz, Mainz Germany, 2 Institut fuer Experimentalphysik, Freie Universitaet Berlin, Berlin Germany, 3 Physik der Weichen Materie, Universitaet Potsdam, Potsdam-Golm Germany

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10:45 AM - I1.5
Localized State Spectroscopy in Organic Solar Cells.

Robert Street 1 , Katherine Song 1 , Alexa Krakaris 1
1 , Palo Alto Research Center, Palo Alto, California, United States

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11:00 AM - *
Coffee Break

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11:30 AM - **I1.6
Charge Photogeneration and Recombination in Organic Solar Cells.

James Durrant 1
1 Chemistry, Imperial College London, London United Kingdom

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12:00 PM - I1.7
Recombination Processes in Disordered Organic Bulk–Heterojunction Solar Cells.

Alexander Wagenpfahl 1 , Craig Peters 2 , Eric Hoke 2 , Zach Beiley 2 , Michael McGehee 2 , Carsten Deibel 1 , Vladimir Dyakonov 1 3
1 Experimental Physics VI, Julius-Maximilians-University of Würzburg, Würzburg Germany, 2 Department of Material Science and Engineering, Stanford University, Stanford, California, United States, 3 Functional Materials for Energy Technology, Bavarian Centre for Applied Energy Research (ZAE Bayern), Würzburg Germany

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12:15 PM - **I1.8
Understanding and Affecting the Mechanisms in Excitonic Solar Cells.

Nir Tessler 1 , Lior Tzabari 1 , Nir Nir Yaacobi-Gross 1 , Israel Ravia 1
1 Electrical Engineering, Technion, Haifa Israel

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12:45 PM - I1.9
Studies of Transport and Recombination in Polymer:Fullerene Bulk Heterojunction Systems.

Jao van de Lagemaat 1 4 , Anthony Morfa 2 , Alexandre Nardes 2 , Sean Shaheen 3 1 , Nikos Kopidakis 1 , Brian Gregg 1 , Ziqi Liang 1 , Jian Li 5
1 Chemical and Materials Sciences Center, NREL, Golden, Colorado, United States, 4 Renewable and Sustainable Energy Institute, University of Colorado Boulder, Boulder, Colorado, United States, 2 School of Chemistry & Bio21 Institute, University of Melbourne, Melbourne, Victoria, Australia, 3 Department of Physics and Astronomy, University of Denver, Denver, Colorado, United States, 5 National Center for Photovoltaics, NREL, Golden, Colorado, United States

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I2: Morphology I
Session Chairs
Venkat Bommisetty
NiyaziSerdar Sariciftci
Monday PM, November 28, 2011
Liberty (Sheraton)

2:30 PM - **I2.1
Origin of Open-Circuit Voltage in Organic Solar Cells Elucidated by Photoconductive Atomic Force Microscopy.

Thuc-Quyen Nguyen 1 , Xuan-Dung Dang 1 , Yuan Zhang 1 , Sarah Cowan 2 , Chunki Kim 1
1 Chemistry & Biochemistry, UCSB, Santa Barbara, California, United States, 2 Materials, UCSB, Santa Barbara, California, United States

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3:00 PM - I2.2
The Universality of Polymer-Fullerene Miscibility and Its Implications for Organic Photovoltaics.

Harald Ade 1 , Brian Collins 1 , Xiaoxi He 2 , Eliot Gann 1 , Christopher McNeill 3
1 Physics, NC State University, Raleigh, North Carolina, United States, 2 Cavendish Laboratory, University of Cambridge, Cambridge, CB3 0HE, United Kingdom, 3 Materials Engineering, Monash University, Clayton, Victoria, Australia

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3:15 PM - I2.3
Connecting Morphology with Dominant Recombination Mechanisms in P3HT:PCBM Based Organic Bulk Heterojunction Solar Cells.

Pavel Dutta 1 , Mukesh Kumar 1 , Monika Rathi 2 , Scott Ahrenkiel 2 , David Galipeau 1 , Venkat Bommisetty 1
1 Electrical Engineering, South Dakota State University, Brookings, South Dakota, United States, 2 Nanoscience and Nanoengineering Department, South Dakota School of Mines & Technology, Rapid City, South Dakota, United States

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3:30 PM - I2.4
Charge Transport in Bulk Heterojunctions: The Influence of Morphology, Electric Field, and Charge Carrier Concentration.

L. Jan Anton Koster 1 2
1 Molecular Materials and Nanosystems, Eindhoven University of Technology, Eindhoven Netherlands, 2 Molecular Electronics, Zernike Institute for Advanced Materials, University of Groningen, Groningen Netherlands

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3:45 PM - I2.5
Morphological Diversity in P3HT-Endohedral Fullerene Organic Solar Cells.

Lee Richter 1 , Andrew Herzing 1 , R. Joseph Klein 1 , Dean DeLongchamp 1 , Daniel Fisher 1 , David Gundlach 1 , Claudia Cardona 2 , John Wall 2 , Francis Swain 2 , Steve Joslin 2
1 , NIST, Gaithersburg, Maryland, United States, 2 , Luna Innovations, Danville, Virginia, United States

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4:00 PM - *
Coffee Break

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I3: Hybrid
Session Chairs
Dmitri Kilin
Garry Rumbles
Monday PM, November 28, 2011
Liberty (Sheraton)

4:30 PM - I3.1
Design and Characterization of Functional Materials for Highly Efficient Dye-Sensitized Solar Cells.

Eric Diau 1
1 Department of Applied Chemistry, National Chiao Tung University, Hsinchu Taiwan

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4:45 PM - **I3.2
Enhancing and Understanding Charge Generation in Mesoscopic Hybrid Solar Cells.

Henry Snaith 1
1 , Oxford University, Oxford, OXON, United Kingdom

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5:15 PM - I3.3
Photo-Induced Dynamics of Electronic Excitations in RuO2 Nano-Catalyst at a TiO2 Substrate.

Talgat Inerbaev 2 , James Hoefelmeyer 1 , Dmitri Kilin 1
2 , South China Normal University, Guangzhou China, 1 Chemistry, University of South Dakota, Vermillion, South Dakota, United States

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5:30 PM - I3.4
Interplay of Three-Dimensional Morphologies and Photocarrier Dynamics of Polymer/TiO2 Bulk Heterojunction Solar Cells.

Chun-Wei Chen 1 , Shao-Sian Li 1 , Ching-Pin Chang 1 2 , Chih-Cheng Lin 1 , Ming-Wen Chu 2
1 Materials Science and Engineering, National Taiwan University, Taipei Taiwan, 2 Center for Condensed Matter Sciences, National Taiwan University, Taipei Taiwan

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5:45 PM - I3.5
Energy-Level Alignment at the ZnO/P3HT Photovoltaic Interface.

Feliciano Giustino 1 , Keian Noori 1
1 Materials, University of Oxford, Oxford United Kingdom

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2011-11-29   Show All Abstracts

Symposium Organizers

Venkat Bommisetty South Dakota State University
Mario Leclerc Universite Laval
Vladimir Dyakonov Julius-Maximilians University of Wuerzburg
Garry Rumbles National Renewable Energy Laboratory
Niyazi Serdar Sariciftci Johannes Kepler University of Linz
I4: Excitons and Transport
Session Chairs
Vladimir Dyakonov
Garry Rumbles
Tuesday AM, November 29, 2011
Liberty (Sheraton)

9:00 AM - **I4.1
Size-Free Electronic Tuneability and Multiple Excitons in Alloyed Colloidal Quantum Dots and Rods.

Efrat Lifshitz 1 , Roman Vaxenberg 1 , Evgeniy Tilchin 1 , Georgy Maikov 1 , Diana Yanover 1 , Anna Brusilovsky 1 , Dikla Ahitov 1 , Alina Amel 1 , Aldona Sashchiuk 1
1 Schulich Faculty of Chemistry, Technion IIT, Haifa Israel

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9:30 AM - **I4.2
Charge Transfer Excitons in Bulk Heterojunctions Solar Cells.

Maria Antonietta Loi 1
1 , University of Groningen, Groningen Netherlands

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10:00 AM - I4.3
Understanding Charge Transport Characteristics in Hybrid Photovoltaic Devices Based on Controlled Donor-Acceptor Interfaces.

Beau Richardson 1 , John Bae 1 , Leize Zhu 1 , Qiuming Yu 1
1 Chemical Engineering, University of Washington, Seattle, Washington, United States

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10:15 AM - I4.4
Surface Nature of Photoconductivity and Long-Range Exciton Diffusion in Rubrene.

Vitaly Podzorov 1
1 Physics, Rutgers University, Piscataway, New Jersey, United States

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10:30 AM - **I4.5
Charge Transfer States, Photovoltages and Photocurrents in Donor/Acceptor Heterojunctions.

Koen Vandewal 1 , Kristofer Tvingstedt 1 , Olle Inganas 1
1 Biomolecular and organic electronics, IFM, Linkoping University, Linkoping Sweden

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11:00 AM - *
Coffee Break

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11:30 AM - **I4.6
Photoinduced Charge Separation Processes in Organic Photovoltaic Blends: High-Frequency EPR Spectroscopy.

Oleg Poluektov 1
1 Chemical Sciences and Engineering Division, Argonne National Laboratory, Argonne, Illinois, United States

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12:00 PM - I4.7
Correlating Charge Creation with the Gibbs Free Energy Driving Force in Organic Photovoltaic Blends.

David Coffey 1 , Bryon Larson 2 1 , Olga Boltalina 2 , Steven Strauss 2 , Garry Rumbles 1
1 , National Renewable Energy Laboratory, Golden, Colorado, United States, 2 , Colorado State University, Fort Collins, Colorado, United States

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12:15 PM - **I4.8
Singlet Fission in Covalent Dimers and Solid-State Polyacene Materials.

Chris Bardee