Spectroscopic characterization of light-emitting organic polymers

CHED 690

Andrew B. Marley, AMarley10@wooster.edu, Department of Chemistry, College of Wooster, 943 College Mall, Wooster, OH 44691 and Paul A. Bonvallet, pbonvallet@wooster.edu, Department of Chemistry, The College of Wooster, 943 College Mall, Wooster, OH 44691.
This project deals with the spectroscopic characterization of poly[2-methoxy-5-(3′,7′-dimethyloctyloxy)-1,4-phenylenevinylene] (OC1C10PPV) and poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene] (MEH-PPV) in solution and in thin solid films. The absorptivity coefficient of MEH-PPV was determined from absorbance data at varying concentrations. Fluorescence spectra were obtained for MEH-PPV in solution and in solid thin films of approximately 100 nm. The emission maximum of the solid film is red-shifted relative to that in solution. An organic light-emitting diode (OLED) was fabricated using MEH-PPV as the emissive material, revealing that the electroluminescence spectrum of MEH-PPV is nearly identical to the solid-state photoluminescence spectrum.
 

Undergraduate Research Poster Session: Polymer Chemistry
11:00 AM-1:00 PM, Monday, April 7, 2008 Morial Convention Center -- Hall A, Poster

Division of Chemical Education

The 235th ACS National Meeting, New Orleans, LA, April 6-10, 2008