Synthesis and Characterization of Novel Polymers
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Synthesis and Characterization of Novel Polymers Elizabeth M. Sanford Associate Professor Chemistry [email protected] Photograph A.B., Smith College, 1987 Ph.D., University of California, Los Angeles, 1992 NSF Postdoctoral Fellow, Cornell University, 1994 Area of expertise: Organic and polymer chemistry Our group synthesizes new polymers based on poly(phenylenevinylene) and pyrylium salts to use in devices such as light-emitting electrochemical cells (LEC’s). n R = phenyl O O R R R R •2BF 4 PPV pyrylium ITO Al * * * * * * oxidized m aterial "hole" reduced m aterial electronsor"carriers" electrolyte--anionsand cations lightgenerated w hen electronsand holescom bine ITO =indium tin oxide, A l=alum inum A Typical LEC Design E. M. Sanford, H. L. Hermann , “Bromination, Elimination and Polymeriztion: A 3-Step for the Preparation of Polystyrene from Ethylbenzene,” J. Chem. Ed., 2000, 77, 1343-1344. E. M. Sanford, A. L. Perkins , B. Tang , A. M. Kubasiak , J. T. Reeves , K. W . Paulisse ,”A Comparison of 1,4-Bis(halomethyl)benzenes as Monomers for the Modified Gilch Route to Poly[2-methoxy-5-((2’-ethylhexyl)-oxy)p- phenylenevinylene],” Chem. Comm., 1999, 23, 2347- 2348. E. M. Sanford, K. W. Paulisse , J. T. Reeves , “A Computational Study of 2,5- Dibenzylidenecyclopentanone and 2,6- Dibenzylidenecyclohexanone, Model Compounds for Poly(arylidenecycloalkanones),” J. Appl. Poly. Sci., Petroleum Research Fund SRF, “Low Band-Gap, n- Dopable Conjugated Oligomers and Polymers,” 2005 Brookstra Faculty Development Grant, “Surface Modification with Synthetic Polymers for Control of Cell Adhesion and Growth,” 2005 HRSA Equipment Grant--Inverted microscope and digital camera, 2005 NSF Early CAREER Award, 1997 nowledgments: Dr. T. Guarr, Gentex Corporation and Dr. M. David tis, University of Michigan, NSF-REU, HHMI
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Synthesis and Characterization of Novel Polymers. Our group synthesizes new polymers based on poly(phenylenevinylene) and pyrylium salts to use in devices such as light-emitting electrochemical cells (LEC’s). Elizabeth M. Sanford Associate Professor Chemistry [email protected]. Photograph. - PowerPoint PPT Presentation
Transcript of Synthesis and Characterization of Novel Polymers
Synthesis and Characterization of Novel Polymers
Elizabeth M. SanfordAssociate Professor
Chemistry
Photograph
A.B., Smith College, 1987Ph.D., University of California, Los Angeles, 1992NSF Postdoctoral Fellow, Cornell University, 1994Area of expertise: Organic and polymer chemistry
Our group synthesizes new polymers based on poly(phenylenevinylene) and pyrylium salts to use in devices such as light-emitting electrochemical cells (LEC’s).
n R= phenyl
OO
R
R
R
R
•2BF4
PPV pyrylium
ITO Al
*
*
*
*
*
*
oxidized material
"hole"
reduced material
electrons or "carriers"
electrolyte--anions and cations
light generated when electrons and holes combine
ITO=indium tin oxide, Al=aluminum
A Typical LEC Design
E. M. Sanford, H. L. Hermann, “Bromination, Elimination and Polymeriztion: A 3-Step for the Preparation of Polystyrene from Ethylbenzene,” J. Chem. Ed., 2000, 77, 1343-1344.E. M. Sanford, A. L. Perkins, B. Tang, A. M. Kubasiak, J. T. Reeves, K. W. Paulisse,”A Comparison of 1,4-Bis(halomethyl)benzenes as Monomers for the Modified Gilch Route to Poly[2-methoxy-5-((2’-ethylhexyl)-oxy)p-phenylenevinylene],” Chem. Comm., 1999, 23, 2347-2348.E. M. Sanford, K. W. Paulisse, J. T. Reeves, “A Computational Study of 2,5-Dibenzylidenecyclopentanone and 2,6-Dibenzylidenecyclohexanone, Model Compounds for Poly(arylidenecycloalkanones),” J. Appl. Poly. Sci., 1999, 74, 2255-2257.
Petroleum Research Fund SRF, “Low Band-Gap, n-Dopable Conjugated Oligomers and Polymers,” 2005
Brookstra Faculty Development Grant, “Surface Modification with Synthetic Polymers for Control of Cell Adhesion and Growth,” 2005
HRSA Equipment Grant--Inverted microscope and digital camera, 2005
NSF Early CAREER Award, 1997
Acknowledgments: Dr. T. Guarr, Gentex Corporation and Dr. M. DavidCurtis, University of Michigan, NSF-REU, HHMI
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