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Our research is in the area of materials chemistry and physics of complex, soft materials. Specifically, we are interested in electrically-active polymeric and molecular materials.  We hope to elucidate the fundamental processing-structure-property relationships that govern these materials to generate design rules and guidelines for the rational synthesis of materials with tailored properties and the development of innovative processing and patterning technologies for the realization of low-cost, light weight, mechanically flexible thin-film devices, such as organic transistors and solar cells.

Currently, we are examining how specific processing conditions affect the structure evolution of organic and polymer materials, and how structural development can in turn impact applications-relevant macroscopic electrical and physical properties. Work is being carried out on molecular and polymeric semiconductors, conducting polymers, solution-synthesized and structurally precise graphene nano ribbons, as well as organic-inorganic hybrid perovskites.

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10/13/2016 Double congratulations to Geoff Purdum for receiving the School of Engineering and Applied Science's Award for Excellence!
10/10/2016 Geoff Purdum selected for student prize at the 58th Electronic Materials Conference -congrats, Geoff!
08/05/2016 We said good-bye to summer undergraduates Amy Liu, Kim Sha and Abhiram Karuppur - thank you for a productive summer with us!
06/08/2016 Geoff Purdum receives 2016 Student Research Paper Prize sponsored by the Cornell High Energy Synchrotron Source. Congratulations, Geoff!
05/20/2016 Lynn appointed director of Andlinger Center for Energy and the Environment, effective July 1.
05/05/2016 Kaichen wins fan-favorite poster at Princeton Research Day - congratulations, Kaichen!
04/15/2016 Clay Hamill receives an NDSEG Fellowship - congrats, Clay!!
03/17/2016 Geoff Purdum selected to receive the first-ever SABIC First-Paper Prize. See CBE department writeup here and CHESS writeup here. Congrats, Geoff!
03/15/2016 Group alum He Wang accepts tenure-track position in the Physics Department at the University of Miami. Congrats, He!
02/23/2016 Melda Sezen and Nick Davy talk about transparent solar cells powering smart windows on WPRB.
02/06/2016 Lynn Loo gave the go Science on Saturday Lecture at Princeton Plasma Physics Laboratory.
01/14/2016 Geoff Purdum selected as this year's Kris Layn Award recipient.  The award recognizes outstanding performance in research by a graduate student by the end of his/her third year in residence.  Congratulations, Geoff!  

Anna Hailey's techno-economic analysis of low-carbon liquid fuels production from non-food biomass and domestic gas highlighted in the winter issue of E-quad News.  For more information, go here.

01/05/2016 The new year sees us bidding farewell to visitor Prof. Kok Keong Chong and welcoming first-year graduate students Kaichen Gu, Clay Hamill, and Jeni Sorli. Welcome on board!
 Fall 2015 Melda Sezen and Jeff Register's work on developing conducting polymer sensors highlighted in E-quad News.  For more information, go here.


High Performance OTFTs Fabricated Using a Calamitic Liquid Crystalline Material of 2-(4-Dodecyl phenyl)[1]benzothieno[3,2-b][1]benzothiophene

In collaboration with researchers at Peking University at Shenzhen, we recently demonstrated high performance organic thin-film transistors with high thermal stability that incorporate an air-stable calamity liquid crystalline molecular semiconductor. To learn more, refer to our recent publication in Advanced Electronic Materials.