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Alan Aspuru-Guzik
Associate Professor of Chemistry and Chemical Biology
Harvard University
From: Michael Aziz <aziz(a)seas.harvard.edu>
To: Alan Aspuru-Guzik <aspuru(a)chemistry.harvard.edu>
Date: Thursday, April 19, 2012 11:57:20 AM
Subject: seminar today at 1pm you'll be interested in!
X-Mailman-Handler: $Id: mm-handler 2.1.10
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From: Barbara Sewall <sewall(a)seas.harvard.edu>
To: thurs-seminar <thurs-seminar(a)seas.harvard.edu>
Date: Wed, 18 Apr 2012 16:35:04 +0000
MATERIALS SCIENCE SEMINAR
1:00 P.M., Thursday, April 19th, 2012
The David Turnbull Room
Gordon McKay Laboratory, Room 402
"SELF-ASSEMBLED ENERGY MATERIALS"
Professor Ullrich Steiner
Cavendish Laboratory, University of Cambridge
Host: Joanna Aizenberg
Abstract: Many materials for photovoltaics, batteries, supercapacitors, fuel cells rely
on the detailed assembly of several components. Essential for these applications is not
only the maximization of the surface-to-volume ratio but also the inter-connectivity of
the constituent phases. Random assemblies of nanoscopic building blocks, while excelling
in the first property, offer very little control over the detailed structure formation on
the 10-nm length scale.
The seminar talk will consist of two parts. The first part introduces several ways in
which the self-assembly of block copolymers can be used to control the structure formation
on the 10-nm-scale of organic, inorganic and organic/inorganic composite materials for the
manufacture of solar cells and super-capacitors. The second part describes the interplay
of polymer crystallization and demixing in polymer (P3HT/PCBM) solar cells and
rationalizes the interplay of structure and function in these devices.
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_______________________________________________________________________
Michael J. Aziz
Gene and Tracy Sykes Professor of Materials and Energy Technologies
Harvard School of Engineering and Applied Sciences
Pierce Hall 204a Tel: +1 (617) 495-9884
29 Oxford Street FAX: +1 (617) 495-9837
Cambridge MA 02138 USA email: maziz(a)harvard.edu
http://seas.harvard.edu/matsci/people/aziz/aziz.html
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