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Pakistan-US Science and Technology Cooperation Program                                                            
Phase 4 (2009 Deadline)

Carbazole and Fluorene-Based Polymeric and Molecular Materials for Optoelectronic
Applications: Synthesis, Spectroscopic Studies, Device Fabrication, and Characterization 

Kevin D. Belfield, University of Central Florida
Aamer Saeed, Quaid-i-Azam University
Pakistani Funding (HEC):  $100,343
US Funding (Department of State): $123,030
Project Dates: November 15, 2010 - November 14, 2013 (Extended through November 14, 2014)
Project Overview
This project involves a collaborative effort to synthesize and characterize a series of novel organic semiconducting materials for electronic device applications. Using the new materials, organic light-emitting diodes and organophotovoltaic devices will be fabricated and characterized using new equipment to be installed at the Pakistani partner university with funds from this grant. This equipment will form the basis for a new organic semiconducting materials research lab at the Department of Chemistry of Quaid-i-Azam University (QAU), the first lab of its kind in Pakistan. Pakistani graduate students participating in the project will receive fabrication and characterization training at the University of Central Florida, a valuable opportunity not only to gain new research skills but also to establish academic and professional ties with American students and professors.
Quarterly Update

One postdoctoral research associate, two PhD graduate students, and one MS graduate student in Dr. Belfield’s lab continued to synthesize several squaraine, fluorenyl, and BODIPY derivatives, including a block copolymer scaffold to use in covalently attaching chromophores.

Three PhD graduate students in Dr. Aamer Saeed’s lab at Quaid-i-Azam University continued preparing several key starting materials for the synthesis of polymers for subsequent optoelectronic characterization. This includes Ms. Madiha Irfan who is continuing her doctoral studies at Quaid-i-Azam University after spending time last year in Dr. Belfield’s laboratory. Meanwhile, Dr. Saeed established an organic materials lab at Quaid-i-Azam University and continues to develop human resources and infrastructure capacity.

Exchanges took place during this last reporting period. Dr. Saeed and Mr. Jamaluddin Mahar of Quaid-i-Azam University arrived at UCF in September. Dr. Saeed stayed for one month in which fruitful discussions of research, student progress, and joint publications took place. Mr. Jamaluddin will stay in residence at UCF for four months, conducting joint research and receiving training in advanced luminescence characterization.

Finally, two publications resulting from this project were completed during the last quarter. First, the results of ultrafast spectroscopic characterization were published in the Journal of Physical Chemistry. Moreover, the team prepared a series of fluorenyl lanthanide complexes and determined the structural and photophysical properties. These results now appear online as an ASAP publication in Dalton Transactions.  Lastly, a novel Fe (III) sensing probe was prepared and submitted for publication

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