Theory and simulation of amorphous organic electronic devices

The electronic properties of amorphous organic thin films are of great interest due to their application in devices such as light emitting devices, solar cells, photodetectors, and lasers. Compared to conventional inorganic semiconductors, amorphous organic thin films have the potential to enable entirely new functionality, larger areas, higher efficiencies, flexible substrates, and inexpensive fabrication. The development of amorphous organic electronic devices requires a deep understanding of the physics of the underlying electronic processes, which are controlled by the behavior of polarons (charged molecular states), and excitons (neutral molecular excited states). In this thesis we employ microscopic models of polaron and exciton processes to calculate macroscale phenomena in amorphous small molecular weight organic thin films using Monte Carlo (MC) simulations. The principle results that we report are: (1) the experimental demonstration and theoretical analysis of the previously neglected phenomenon of solid state solvation; (2) the identification of significant errors in existing models of molecular energy level disorder in polarizible media;

Department dc:contributor.department

Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science.

Grantor dc:publisher

Massachusetts Institute of Technology

Year dc:date.issued

2006

Author dc:creator

• Madigan, Conor (Conor Francis), 1978-

Advisor dc:contributor.advisor

• Vladimir Bulović.

• Electrical Engineering and Computer Science.

Statement dc:rights

• M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission.

Licence dc:rights.uri

• http://dspace.mit.edu/handle/1721.1/7582

Language dc:language.iso

eng

Handle dc:identifier.uri

http://hdl.handle.net/1721.1/37843

OAI identifier oai:identifier

oai:dspace.mit.edu:1721.1/37843