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Outreach Activities

Rational Design of Semiconducting Polymers with Tunable Opto-Electronic Properties Mihaela C. Stefan (Iovu), University of Texas at Dallas, DMR 0956116.

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Outreach Activities

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  1. Rational Design of Semiconducting Polymers with Tunable Opto-Electronic Properties Mihaela C. Stefan (Iovu), University of Texas at Dallas, DMR 0956116 As a continuation of my NSF Career grant, in year two we synthesized homopolymers and alternating copolymers of benzodithiophene with phenylethynyl substituents. Alternating copolymers with thiophene, bithiophene, and terthiophene have been synthesized and tested in bulk heterojunction solar cells with PCBM acceptor. The influence of the alkyl spacing on the PCBM loading was investigated. We found that the larger spacing between the alkyl substituents allows the intercalation of the PCBM between the alkyl chains. The morphology of the donor acceptor blends was investigated by TMAFM and correlated with the solar cell performance. Donor-acceptor copolymers containing benzodithiophene with phenylethynyl substituents have been synthesized and their opto-electronic properties have been investigated.

  2. Outreach activities and Education Mihaela C. Stefan (Iovu), University of Texas at Dallas, DMR 0956116 Outreach Activities During the summer 2011, one high school student (David Wang, Seven Lakes High School) performed research in my lab. Additionally, one exchange student from Mexico (Maria Alvarez) worked for two months in my research lab as part of the UT Dallas Mexico Summer Internship Program. During the summer of 2011 one female undergraduate student (Sussana Elkassih) was supported on a Louis Stokes Alliance for Minority Participation and Bridge to the Doctorate (LSAMP) fellowship. Education In the fall of 2010 I incorporated a recitation session to my Organic Chemistry course. This additional help was very well received by the students and currently I am trying to negotiate with my department the permanent addition of recitation sessions for the organic chemistry course. I am currently preparing a graduate course in Organic Electronics, which I will teach for the first time in the Spring of 2012.

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