Study of degradation of polymer light emitting devicesC

• Grant number: 11/12266-0
• Support Opportunities: Scholarships in Brazil - Scientific Initiation
• Effective date (Start): October 01, 2011
• Effective date (End): June 30, 2012
• Field of knowledge: Engineering - Electrical Engineering
• Principal Investigator: Adnei Melges de Andrade
• Grantee: Laís Gomes Marcolongo
• Host Institution: Escola Politécnica (EP). Universidade de São Paulo (USP). São Paulo , SP, Brazil

Abstract

The present research project, to be held in the Molecular Electronics Group (GEM) of Escola Politécnica, USP (EPUSP), objects to the studying of polymer light-emitting diodes (PLEDs) with thin film structures containing transparent anode/hole transport layer/emissive layer/electron transport layer/metallic cathode. It is intended to study the lifetime of such devices (device degradation) in the function of the encapsulation used. Besides, it is also intended to study device manufacturing by employing new materials synthesized by Brazilian research groups that contribute to GEM. The candidate started her activities in the present project in March 2011 and presented a more than satisfactory performance. This scholarship request is aimed at maintaining the student for a nine-month period in order to accomplish the undergraduate research as a link to the post-graduation, to be initialized in August 2012. 2011 first semester was used as the student's adaptation to the new area of knowledge (since she had already been awarded the FAPESP scholarship at IPEN), and to practice the implementation of all stages of fabrication and characterization of PLEDs.(AU)