Sigma-Aldrich Distinguished Lecture Series with Professor Fred Wudl

Event Details
  • Date/Time:
    • Wednesday September 14, 2016
      4:00 pm - 5:00 pm
  • Location: Engineered Biosystems (EBB), Children's Healthcare of Atlanta Seminar Room
  • Phone:
  • URL:
  • Email:
  • Fee(s):
    N/A
  • Extras:
Contact

Sharon Lawrence

(404) 894-4040

sharon.lawrence@ece.gatech.edu

Summaries

Summary Sentence: Serendipity in the Quest for New Organic Materials

Full Summary: No summary paragraph submitted.

Media
  • Wudl Wudl
    (image/png)

TITLE: Serendipity in the Quest for New Organic Materials

ABSTRACT

On the way to the design of a new molecule for possible ambipolar organic field effect transistors, we discovered a crystal-­to-­crystal, essentially quantitative, monomer to polymer transformation. The crystalline polymer had the further interesting property of full exfoliation making it possible to isolate and observe a single polymer molecule. We further discovered preparation and X-­ray crystallographic characterization of the first crystalline homoatomic polymer chain as part of a semiconducting pyrroloperylene-­iodine complex. The crystal structure contains infinite polyiodideI Iδ-­‐ and close similarities in the low-­wavenumber Raman spectra of the title compound and starch-­iodine complex suggest such infinite chains of polyiodide in the latter as well. The structure of iodine within the insoluble, blue starch-­iodine complex has remained elusive since the phenomenon was first observed over two centuries ago, and has since generated much speculation as to how iodine arranges within this complex. This includes suggestions of infinite polymeric iodine chains stabilized by amylose sugars.

BIO

Professor Fred Wudl, Research Professor of Chemistry and Materials at the University of California, Santa Barbara (UCSB), received his B.S. (1964) and Ph.D. (1967) degree from the University of California, Los Angeles (UCLA) where his dissertation work was done with Professor Donald J. Cram. 

Additional Information

In Campus Calendar
No
Groups

Center for Organic Photonics and Electronics (COPE)

Invited Audience
Undergraduate students, Faculty/Staff, Graduate students
Categories
Seminar/Lecture/Colloquium
Keywords
organic materials
Status
  • Created By: Sharon Lawrence
  • Workflow Status: Published
  • Created On: Aug 18, 2016 - 7:56am
  • Last Updated: Apr 13, 2017 - 5:15pm