Organic Optoelectronic Materials Laboratory
Department of Chemical Engineering
and Laboratory for Laser Energetics

Post-Doctoral Opening for Electronic and Photonic Materials

Especially welcome are senior Ph.D. candidates scheduled to graduate soon or recent degree awardees specializing in the development and application of molecular and/or polymeric materials in organic electronics or photonics. Duties include conducting innovative research and supervising graduate research in a multidisciplinary setting. Visit for further details. Salary will be commensurate with qualifications and experience. Send resume with three referees' contact information to University of Rochester is an equal opportunity employer.

Principal Investigator

Shaw H. Chen (Ph.D. Chemical Engineering, University of Minnesota, 1981)
Professor of Chemical Engineering
Professor of Materials Science
Senior Scientist, Laboratory for Laser Energetics
University of Rochester, Rochester, New York

Contact Information

240 East River Road
University of Rochester
Rochester, New York 14623-1212
Telephone: (585)275-0909/Facsimile: (585)273-1014

Research Expertise

Organic Semiconductors; Glassy Liquid Crystals; Self-Assembled Organic Thin Films; Optical, Photonic, and Optoelectronic Materials and Devices.

Research Summary

Our research features molecular design, computational chemistry, material synthesis and processing, and optoelectronic device science. In particular, we have developed liquid crystals, including conjugated systems, capable of preserving molecular order in the solid state through vitrification while ensuring long-term stability against crystallization. Various device concepts have been demonstrated using selected materials, such as nonabsorbing polarizers, notch filters and reflectors, polarized fluorescence and electroluminescence, field-effect transistors, solid-state lasers, and photoalignment of conjugated oligomers. Current activities include: (i) bipolar hybrid hosts for phosphorescent organic light-emitting diodes, (ii) a new concept of surfactancy based on geometric disparity within molecules, (iii) pixelated liquid crystal devices for shaping laser beams, and (iv) high throughput, precise production of double and triple microemulsions using microfluidic T-junctions.


  1. C. Kim, J. U. Wallace, A. Trajkovska, J. J. Ou, and S. H. Chen, "Quantitative Assessment of Coumarin-Containing Polymer Film's Capability for Photoalignment of Liquid Crystals," Macromolecules 40, 8924 (2007). View
  2. J. U. Wallace, and S. H. Chen, "Fluorene-Based Conjugated Oligomers for Organic Photonics and Electronics," Advances in Polymer Sci. 212, 145 (2008). View
  3. L. Zeng, T. Y.-H. Lee, P. B. Merkel, and S. H. Chen, "A New Class of Non-Conjugated Hybrid Hosts for Phosphorescent Organic Light-Emitting Diodes," J. Mater. Chem. 19, 8772 (2009). View
  4. L. Zeng, T. N. Blanton, and S. H. Chen, "Modulation of Phase Separation between Spherical and Rodlike Molecules Using Geometric Surfactancy," Langmuir 26, 12877 (2010). View
  5. S. K.-H. Wei and S. H. Chen, "Spatially Resolved Lasers Using a Glassy Cholesteric Liquid Crystal Film with Lateral Pitch Gradient," Appl. Phys. Lett. 98, 111112 (2011). View
  6. S. K.-H. Wei, L. Zeng, K. L. Marshall, and S. H. Chen, "Room-Temperature Processing of π-Conjugated Oligomers into Uniaxially Oriented Monodomain Films on Coumarin-Based Photoalignment Layers," J. Polymer Sci. Part B: Polymer Phys. 49, 725 (2011). MaterialsViews, View



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