Local EFM measurements of organic conducting materials at various temperatures

11:15 AM–1:39 PM, Wednesday, March 23, 2005
LACC Room: 504

Sponsoring Units: DPOLY FIAP
Chair: Arthur Epstein, Ohio State University

Abstract ID: BAPS.2005.MAR.P29.3

Abstract: P29.00003 : Local EFM measurements of organic conducting materials at various temperatures

12:03 PM–12:15 PM

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Authors:

Tse Nga Ng
William Silveira
John Marohn
(Cornell University)

We have investigated the charge injection processes in regioregular poly-3-hexylthiophene (P3HT) and in a molecularly-doped polymer, triarylamine (TPD) dispersed in polystyrene (PS), by electric force microscopy under high vacuum and at various temperatures. This microscopic study unambiguously reveals space-charge limited conduction within TPD-PS, in contrast to bulk current-voltage measurements. The temperature dependence of charge injection will also be shown to compare with current theories on charge injection into organic semiconductors.

To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2005.MAR.P29.3

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Bulletin of the American Physical Society

2005 APS March Meeting

Monday–Friday, March 21–25, 2005; Los Angeles, CA

Session P29: Transport and Electronic Structure of Organic Electronic Materials

Abstract: P29.00003 : Local EFM measurements of organic conducting materials at various temperatures

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