Center for Excitonics

Events: Seminar Series

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2017-2018 Seminar Series

May 17, 2018 Luis Campos
Department of Chemistry, Columbia University
Materials Design for Third Generation Singlet Fission Solar Cells 3pm/Pfizer Lecture Hall- Harvard University
April 17, 2018 Jean-Luc Bredas
Department of Chemistry and Biochemistry, Georgia Tech
Polymer-Acceptor Bulk Heterojunction Solar Cells: From Chemical Structure to Packing and Efficiency 2:45pm/36-428
March 6, 2018 Alessandro Troisi
University of Liverpool/Department of Chemistry
Less is more: model reduction for exciton and charge transport in molecular materials 4:30pm/36-428
January 18, 2018 Kyle Frohna
University of Cambridge, UK, Visiting Researcher
Origins of Delayed Recombination and Halide Segregation in Metal Halide Perovskites* 12 noon/13-3038
December 12, 2017 Jillian Dempsey
University of North Carolina/Department of Chemistry
Proton-Coupled Electron Transfer Processes Underpinning the Production of Renewable Fuels 4:30pm/36-428
November 28, 2017 Aron Walsh
Department of Materials, Imperial College London
Exciting Metal-organic Frameworks: Electrons, Phonons, and Photons 4:30pm/34-401A
November 22, 2017 Michael Saliba
École polytechnique fédérale de Lausanne (EPFL) Station 6, 1015 Lausanne
Historic Overview and Design Principles for Optoelectronic Perovskite Materials* 4:30pm/35-520
November 17, 2017 Eugene Katz
Ben-Gurion University of the Negev, Israel/ Department for Solar Energy and Environmental Physics
How to assess operational stability of perovskite solar cells with reversible degradation?* 12 noon/34-401B
November 2, 2017 Robert Alicki
Gdansk University/ Theoretical and Mathematical Physics
Self-oscillations in Photovoltaic, Thermoelectric and Fuel Cells 3 pm/36-428
November 1, 2017 Jose Dario Perea
Friedrich Alexander Universität (Germany), Engineering, Visiting Student in the Aspuru-Guzik Group at Harvard
Predicting the Microstructure Stability in Photovoltaic Polymer-Fullerene Blends Using Figure of Merit* 4:30pm/35-520
October 4, 2017 Edison Castro
Department of Chemistry, University of Texas, El Paso
Improved Performance and Stability of Inverted Planar Perovskite Solar Cells Using Fullerene Layers* 12 noon/von Hippel rm: 13-2137

2016-2017 Seminar Series

May 17, 2017 Axel Palmstrom
Department of Chemical Engineering, Stanford University
Perovskite Tandems: A Path Towards Stable 27% Efficiencies* 12 noon/RLE Haus room: 36-428
May 16, 2017 Ming Lee Tang
University of California, Riverside/ Department of Chemistry, and Material Science and Engineering
A hybrid molecular-nanocrystal platform for photon upconversion 4:30pm/36-428
May 9, 2017 David Snoke
University of Pittsburgh, Department of Chemistry
Superfluids of Light 4:30pm/36-438 RLE Haus Rm
May 2, 2017 David Vanden Bout
University of Texas, Department of Chemistry
Spectroscopy of single conjugated polymers and aggregates 4:30pm/36-428 RLE Haus Room
April 25, 2017 Chihaya Adachi
Department of Chemistry and Biochemistry Graduate School of Engineering, Kyushu University
Exciton management in OLEDs and future organic laser diodes 4:30pm/36-428
February 10, 2017 Christoph J. Brabec
i-MEET, Department of Material Science, Friedrich-Alexander University Erlangen-Nurnberg, ZAE Bayern e.V., Renewable Energies, Erlangen, D- 91058 Germany
High Throughput Material and Processing Concepts for Printed Photovoltaics 4:15 PM at Pfizer Lecture Hall, Harvard University, 12 Oxford Street, Cambridge, MA 02138
February 7, 2017 Maksym Kovalenko
ETH Zurich, Department of Chemistry
Nano- and single-crystals of lead halide perovskites: from bright light emission to hard radiation detection 4:30pm/36-428 RLE Haus Room
December 21, 2016 Eugene A. Katz
Ben-Gurion University of the Negev, Israel/Dept. of Solar Energy and Environmental Physics/ J. Blaustein Institutes for Desert Research, Ilse-Katz Institute for Nanoscale Science and Technology
Accelerated testing of organic and perovskite photovoltaics using concentrated sunlight* 10 am/36-462
December 13, 2016 Libai Huang
Purdue University, Department of Physical Chemistry
Ultrafast Nanoscopy of Energy and Charge Transport 4:30pm/36-428
November 29, 2016 George Schatz
Northwestern University, Department of Chemistry
Plasmons, Excitons and Theory 4:30 pm/36-428
November 28, 2016 Ted Sargent
University of Toronto, Department of Electrical Engineering and Computer Science
Materials and devices for the renewable synthesis of fuels and feedstocks 4pm/ 6-120
November 2, 2016 Juan-Pablo Correa-Baena
Massachusetts Institute of Technology, Department of Mechanical Engineering
Progress of Planar Perovskite Solar Cells for Efficiencies above 20% 3:30 PM/ 36-462
October 4, 2016 Dugan Hayes
Argonne National Laboratory, Illinois
Electronic and nuclear contributions to time-resolved optical and X-ray absorption spectra of hematite and insights into photoelectrochemical performance 11am / Grier A Conference Room: 34-401A

2015-2016 Seminar Series

April 19, 2016 Sean Roberts
Department of Chemistry, The University of Texas at Austin
Harvesting Solar Energy from Singlet Fission Materials 4:30pm/ 36-428
April 15, 2016 Gregory J. Wilson
Research Group Leader for Solar Energy Systems and Principal Research Scientist for Next Generation Photovoltaics, CSIRO Energy. Australia
Disruptive Low-Cost Thin-film Photovoltaics: A Pathway for ‘Solution-less’ Perovskite Solar Cells 3pm/ rm: 36-462
April 7, 2016 Doojin Vak
Commonwealth Scientific and Industrial Research Organisation, Australia
Upscaling Perovskite Solar Cells via Industrial Roll-to-Roll Processes 3:00PM/34-401B
April 5, 2016 Delia Milliron
Department of Chemical Engineering, The University of Texas at Austin
Plasmonic metal oxide nanocrystals 4:30pm/34-401A
March 9, 2016 Eric Hoke
Stanford University, Draper Laboratory
Reversible and irreversible ion migration processes in lead halide perovskites for photovoltaics 4:30 PM/36-462
February 9, 2016 Romain Studer
The European Bioinformatics Institute, European Molecular Biology Laboratory (EMBL-EBI)
Molecular evolution meets biophysics: the history of the RubisCO enzyme and the Fenna-Matthews-Olson (FMO) complex 3:00pm/36-428*
January 19, 2016 Sandeep Pathak
Oxford University
Fabrication of Organic-inorganic Perovskites for Highly Efficient Solar Cells and Light Emitting Diodes 4:30pm/36-428
December 8, 2015 Dane de Quilettes
University of Washington
Elucidating the Complex Recombination Kinetics in Organic-Inorganic Trihalide Perovskites* 4:30pm/36-428
November 17, 2015 Carlos Silva
Department of Physics/ University of Montreal
Are excitation spectral lineshapes in semicrystalline polymeric semiconductors dominated by two-dimensional excitonic coupling or chromophore energetic disorder? 4:30pm/ 36-428
November 10, 2015 Riccardo Comin
University of Toronto
Fundamental studies and new applications of hybrid lead halide perovskites* 4:30pm/Duboc Room: 4-331
November 3, 2015 Tamar Seideman
Department of Chemistry, Northwestern University, Illinois
Ultrafast Nanoplasmonics: Toward Coherently Controlled Chemistry at the Time-space Limit 4:30 PM/ RLE Allen 36-462*
October 20, 2015 Tyrel McQueen
Department of Chemistry, Department of Materials Science and Engineering, Department of Physics and Astronomy, Institute for Quantum Matter, The Johns Hopkins University
Probing Electrons and Vibrations in Functional Materials 4:30pm/Pappalardo Room: 4-349*
October 6, 2015 Yossi Paltiel
Department of Applied Physics, The Hebrew University of Jerusalem
Excitonic Quantum Random Walk in Biological Phycocyanin Nanowires 4:30pm/ 36-428
September 22, 2015 Juan-Pablo Correa-Baena
Band Alignment Engineering in Highly Efficient Planar Perovskite Solar Cells* 4:30 pm/36-428
September 15, 2015 Sam Stranks
Massachusetts Institute of Technology
Metal-halide perovskites for photovoltaic and light-emitting devices* 4:30 pm/36-428

2014-2015 Seminar Series

August 27, 2015 Dr. Kapil Amarnath
Harvard University
Light Harvesting by Photosystem II in the Thykaloid Membrane of Plants 10:30 am, Room 66-360
August 6, 2015 Yi-Hsien Lee
Department of Materials Science and Engineering, National Tsing Hua University, Taiwan
Synthesis and Heterostructures of Monolayer Semiconductors 2pm/36-428
May 19, 2015 Ju Li
Department of Nuclear Science and Engineering and Department of Materials Science and Engineering
Structural design of 2D materials for electronic and optoelectronic applications 4:30 pm/36-428
May 14, 2015 Brian Skinner
Argonne National Laboratory
Disorder-assisted transport in topological insulators and nanocrystal superlattices 3pm/36-428
May 5, 2015 Naomi Ginsberg
University of California/Department of Chemistry and Physics
Navigating Space-Time with Ultrafast Exciton Photolithography or Scintillating Near-fields to Follow Dynamic Processes in Molecular Materials 4:30pm/ rm: 4-370
April 21, 2015 Joel Yuen
The Research Laboratory of Electronics, Massachusetts Institute of Technology
Spectroscopy and Topological Phases for Organic Excitons 4:30 PM/ RLE Haus 36-428
March 31, 2015 Dmitri Basov
Department of Physics, University of California, San Diego
Nano-photonic phenomena in van der Waals heterostructures 4:30 PM/ RLE Haus 36-428
March 10, 2015 Felix Castellano
Department of Chemistry, North Carolina State University
Unusual Solar Photoconversion: Sensitized Triplet Fusion 4:30 PM/ RLE Haus 36-428
January 15, 2015 Shu Seki
Osaka University
Non-contact Nondestructive Probing of Charge Carrier Conductivity in Organic Materials and their Interfaces 3:30pm/ 4-270
December 5, 2014 Laurens D.A. Siebbeles
Department of Chemical Engineering, Delft University of Technology
Dynamics of excitons and charges in organic materials and semiconductor nanocrystals for optoelectronics 3pm/RLE Haus 36-428
November 25, 2014 Xiaodong Xu
University of Washington
Optoelectronics of 2D Materials 4:30 PM/ 6-120
November 4, 2014 Akshay Rao
Optoelectronics Group, Cavendish Laboratory, University of Cambridge
Harnessing Spin, Delocalisation and Coherence in Molecular Semiconductors 4:30pm / 6-120

2013-2014 Seminar Series

May 15, 2014 Marco Polini
NEST, Istituto Nanoscienze-CNR and Scuola Normale Superiore di Pisa
Plasmonic Figures of Merit in a Doped Graphene Sheet 2pm/36-428
April 17, 2014 Paul McEuen
Department of Physics, Cornell University
Light and Fast: Probing Carriers and Vibrations in 1D and 2D Materials 3pm/36-428
April 3, 2014 Richard Schaller
Department of Chemistry, Northwestern University, Argonne National Laboratory
Lattice and Carrier Dynamics in Quantum-Confined Materials on Ultrafast Timescales 3pm/36-428
March 20, 2014 Andrew Marcus
Department of Chemistry, Univeristy of Oregon
Studies of Structure and Dynamics of Biomolecular Complexes by Single Molecule and Two-Dimensional Fluorescence Spectroscopy (2DFS) 3pm/36-428
December 5, 2013 Alfredo Alexander-Katz
Department of Material Science and Engineering, Massachusetts Institute of Technology
Directing Self-Assembly of Heterogeneous NanoSystems 3pm/36-428
November 21, 2013 Oleg Gang
Center for Functional Nanomaterials, Brookhaven National Laboratory
Programming Matter on Nanoscale 3pm/36-428
November 14, 2013 Leonid Levitov
Department of Physics, Massachusetts Institute of Technology
Energy Waves and Plasmons in Graphene 3pm/6-233
October 17, 2013 Jeremy Baumberg
Department of Physics NanoPhotonics Centre, University of Cambridge, UK
Microcavity Polaritonics: Optically-Steering Interacting Quantum Liquids on a Chip 3pm/36-428

2012-2013 Seminar Series

May 9, 2013 Bradley Olsen
Department of Chemical Engineering, Massachusetts Institute of Technology
Self-Assembly of Functional Polymers 3pm/36-428
April 25, 2013 Graham Fleming
Department of Chemistry University of California, Berkeley
Excitation Energy Flow in Photosynthesis 3pm/36-428
February 28, 2013 Frank Wuerthner
Institut für Organische Chemie Universität Würzburg
Supramolecular Photosystems Based on Dye Aggregates 3pm/36-428
February 21, 2013 Andrei Piryatinski
Physics of Condensed Matter and Complex Systems Group, Los Alamos National Laboratory
Surface-Plasmon Assisted Exciton and Charge Carrier Transport in One Dimensional Nanostructures 3pm/36-428
February 7, 2013 Ted Goodson
Department of Chemistry, University of Michigan
Enhanced Optical Effects from Excitons in Multi-Chromophore Systems 3pm/36-428
December 13, 2012 Seth Marder
Department of Chemistry/Biochemistry, Director, Center for Organic Photonics and Electronics, Georgia Tech
Organic Semiconductor Chemistry 3pm/36-428
November 29, 2012 Karl Leo
Department of Mathematics and Natural Sciences, Department of Physics, Technical University of Dresden
Excitons in Highly Efficient Organic Devices 3pm/36-428
October 25, 2012 Adreas Stein
Department of Chemistry, University of Minnesota
Structuring Materials on Multiple Length Scales for Energy Applications 3pm/36-428
October 11, 2012 Michael R. Wasielewski
Director, Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University
Exciton Dynamics and Structural Investigations of Singlet Fission in Molecular Solids 3pm/36-428
September 27, 2012 Ted Sargent
Department of Electrical and Computer Engineering - Canada Research Chair in Nanotechnology, University of Toronto, Canada
Solution-Processed Solar Cells using Colloidal Quantum Dots 3pm/36-428

2011-2012 Seminar Series

April 24, 2012 Alan Aspuru-Guzik
Department of Chemistry and Chemical Biology, Harvard University
Finding renewable energy materials using one screensaver at a time: Combinatorial quantum chemistry for organic photovoltaics 3pm/36-428
April 3, 2012 Josef Michl
Dept. of Chemistry and Biochemistry, University of Colorado, Boulder
Singlet Fission 3:00pm/36-428
March 20, 2012 George T. Wang
Advanced Materials Science, Sandia National Laboratories
III-Nitride Nanowires: Emerging Materials for Lighting and Energy Applications 3pm/36-428
March 14, 2012 Mark Hybertsen
Brookhaven National Laboratory, Columbia University
Exploring Competing Kinetic Processes in Quantum Dots Linked to Electrode Surfaces 2:30pm/4-349
March 6, 2012 Christopher Bardeen
Department of Chemistry, University of California, Riverside
Singlet fission in tetracene and rubrene: evidence for the direct formation of entangled triplet pairs 3pm/36-428
February 7, 2012 Mark Allendorf
Sandia National Laboratories
Luminescent metal-organic frameworks (MOFs); a nanolaboratory for photophysics 3pm/36-428
December 13, 2011 Mark Wilson
Optoelectronics Group, University of Cambridge
Singlet Exciton Fission in Polyacenes: Photophysics and Photovoltaic Applications 3pm/34-401A
December 1, 2011 Eric Stach
Center for Functional Nanomaterials, Brookhaven National Laboratories
Real time observations of the nucleation and growth of nanowires and nanotubes 3pm/36-428
November 29, 2011 Jasper Knoester
Zernike Institute for Advanced Materials, University of Groningen, Netherlands
Spectroscopy of complex molecular systems: Physics on an exciton cake-walk 3pm/36-428
November 15, 2011 David Snoke
Department of Physics and Astronomy, University of Pittsburgh
Superfluid Phase Transition of Long-lifetime Polaritons 3pm/34-401A
October 4, 2011 Garry Rumbles
National Renewable Energy Laboratory (NREL), Univeristy of Colorado, Boulder
Comparing the Primary Electron Transfer Process in Organic Photovoltaic Heterojunctions with Photosynthetic Reaction Centers 3pm/36-428
September 20, 2011 Shaul Mukamel
University of California, Irvine
Probing Valance and Core Excitons in Molecules by Coherent Multidimensional Spectroscopy with Clasical and Quantum Light 3pm/36-428

2010-2011 Seminar Series

July 18, 2011 Christian Martin
Associate Editor, Nature Materials
Publishing with NPG and Nature Materials 1:30/34-401A
May 17, 2011 Thomas Renger
Johannes Kepler Universitat -Linz, Austria
Theory of light-harvesting in photosynthesis: from structure to function 3pm/36-428
May 10, 2011 Benoit Deveaud-Plédran
Ecole Polytechnique Fédérale de Lausanne
Bose-Einstein condensates of polaritons: Vortices and superfluidity 3:00PM/36-428
April 26, 2011 Mircea Dinca
Department of Chemistry, Massachusetts Institute of Technology
Crystalline Microporous Metal-Organic Frameworks: Opportunities in Energy Research 3pm/38-401A
April 5, 2011 Carlos Silva
University of Montreal
Charge separation by photoexcitation in seimcrystalline polymeric semiconductors: An intrinsic or extrinsic mechanism? 3pm/36-428
March 15, 2011 Paul E. Burrows
Reata Research
Organic Solid State Lighting 3pm/36-428
March 8, 2011 Vinod M. Menon
Queens College of the City University of New York (CUNY)
Control of Light-matter Interaction Using Dispersion Engineered Photonic Structures 3pm/36-428
February 15, 2011 Rachel Segalman
University of California, Berkeley
Molecular and Hybrid Solution Processable Thermoelectrics 3pm/36-428
February 8, 2011 Jonathan Fan
Harvard University
Self-Assembled Colloidal Plasmonic Systems 3pm/36-428
February 1, 2011 Mihaela C. Stefan
University of Texas at Dallas
Benzodithiophene Based Semiconducting Polymers for Organic Photovoltaics 3pm/36-428
January 26, 2011 Matteo Cavalleri
Journal of Polymer Science: Polymer Physics
How Scientific Publishing Works 1:30 PM/MIT Endicott House
December 14, 2010 Jagadeesh Moodera
Francis Bitter Laboratory, Massachusetts Institute of Technology
Organic Spintronics: Influence of Interface Structure and Magnetism 3pm/36-428
December 7, 2010 Jianshu Cao
Massachusetts Institute of Technology
Optimization of Energy Transfer Processes in Photosynthetic Systems 3pm/36-428
November 12, 2010 Wei You
University of North Carolina
Molecular Engineering of Conjugated Polymers to Reach Higher Efficiency “Plastic” Solar Cells 3pm/36-428
October 26, 2010 Mark Thompson
University of Southern California (USC)
Steering and Separating Excitons in Organic Thin Films and Devices 3pm/36-428

2009-2010 Seminar Series

May 24, 2010 Sebastian Reineke
Institut für Angewandte Photophysik, Dresden
Concepts for Phosphorescent Organic LEDs at High Brightness 3pm/36-428
May 4, 2010 Silvija Gradečak
Laboratory for Nanophotonics and Electronics, Massachusetts Institute of Technology
Semiconductor nanowires: from LEDs to Solar Cells 3pm/36-428
April 15, 2010 Patanjali Kambhampati
Department of Chemistry, McGill University
State-Resolved Exciton Dynamics in Quantum Dots 3pm/34-401A
April 13, 2010 Koen Vandewal
Linköping University
Charge-transfer absorption and emission in polymer: fullerene solar cells 3pm/36-428
March 30, 2010 William A. Tisdale
Department of Chemical Engineering and Materials Science University of Minnesota
Hot Electron Transfer from Semiconductor Nanocrystals 3pm/36-428
March 16, 2010 Shaul Mukamel
Department of Chemistry, University of California, Irvine
Quantum Transport Effects and Coherent Ultrafast Multidimensional Spectroscopy of Light Harvesting Photosynthetic Complexes 3pm/36-428
March 2, 2010 René Janssen
Molecular Materials and Nanosystems, Eindhoven University of Technology
Polymer Solar Cells: New Materials, 3D Morphology, and Tandem Devices 3pm/36-428
December 15, 2009 Sergei Tretiak
Los Alamos National Laboratory
Dynamics of Excitons and Phonons in Disordered Nanoscale Materials 3pm/36-428
December 8, 2009 K. Birgitta Whaley
Department of Chemistry, University of California, Berkeley
Quantum Effects in Photosynthesis Room 330, 60 Oxford Street, Harvard Campus
December 1, 2009 Peter Sutter
Center for Functional Nanomaterials
Metal Catalyzed sp2 Bonded Carbon – Large-scale Graphene Synthesis and Beyond 3pm/36-428
November 11, 2009 Angel Rubio
Universidad del Pais Vasco UPV/EHU and Centro Mixto CSIC-UPV/EHU
Theoretical Spectroscopy of Low Dimensional Systems 2pm/Pfizer Hall - Mb-23 Harvard University 12 Oxford Street Cambridge
November 10, 2009 Greg Engel
Department of Chemistry, The James Franck Institute, University of Chicago
Design Principles of Coherent Photosynthetic Energy Transport: Insights from Two Dimensional Electronic Spectroscopy 3pm/36-428
November 3, 2009 Charles Black
Center for Functional Nanomaterials, Brookhaven National Laboratory
Self Assembly for Nanostructured Electronic Devices at the Center for Functional Nanomaterials 3pm/36-428
October 20, 2009 Alan Heeger
Department of Chemistry, University of California, Santa Barbara
“Plastic” Solar Cells: Self-Assembly of Bulk Heterojunction Nano-Materials by Spontaneous Phase Separation 3pm/36-428
October 6, 2009 Frank Spano
Department of Chemistry, Temple University
The Role of Intermolecular Coupling in the Photophysics of Disordered Organic Semiconductors 3pm/36-428
September 29, 2009 Ian Mercer
Department of Physics, University College Dublin
Quantum Dimension of Photosynthesis Revealed by Angular Resolved Coherent Imaging 3pm/36-428

2008-2009 Seminar Series

May 20, 2009 Russell J.Holmes
Department of Chemical Engineering and Materials Science, University of Minnesota
Overcoming the Exciton Diffusion Bottleneck in Organic Photovoltaic Cells 3pm/36-428
April 29, 2009 Jenny Nelson
Department of Physics Imperial College London
Factors influencing photocurrent generation in organic bulk heterojunction solar cells: interfacial energetics and blend microstructure 3pm/36-428
April 22, 2009 Leonid V. Butov
Department of Physics University of California, San Diego
Indirect Excitonics 3pm/36-428
April 15, 2009 Keith A. Nelson
Department of Chemistry Massachusetts Institute of Technology
Excitons, biexcitons, and higher-order correlations: Direct observations of ultrafast many-body dynamics 3pm/36-428
April 8, 2009 Xiang Zhang
NSF Nano-scale Science and Engineering Center (NSEC), University of California, Berkeley
Photonic Metamaterials, Nano- plasmonics and Superlens 3pm/36-428
April 1, 2009 Vladimir Bulovic
Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology
Excitonic Processes in Nanostructured Optoelectronic Devices 3pm/36-428
February 25, 2009 Gregory D. Scholes
Department of Chemistry, University of Toronto
Electronic Structure and Excited State Dynamics in Biological and Nanoscale Systems 3pm/36-428
February 18, 2009 Moungi G. Bawendi
Department of Chemistry, Massachusetts Institute of Technology
The importance of excitons in the science and technology of semiconductor nanocrystals 3pm/36-428
February 4, 2009 Ken Crozier
School of Engineering and Applied Sciences, Harvard University
Optical Antennas for Nanophotonics 3pm/36-428
January 28, 2009 Troy Van Voorhis
Department of Chemistry, Massachusetts Institute of Technology
Exploring Electron Transfer in Organic Semiconductors 3pm/36-428