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Peng Jiang Assistant Professor Ph.D., 2001, Rice University Nanomaterials Nano-optics Micro-bioanalysis Self-assembly Templated synthesis Email: pjiang@che.ufl.edu Phone: (352) 392-2189 Web: http://www.che.ufl.edu/jiang 319 CHE

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Brief Description of Current Research

Our group develops new chemical, physical, engineering, and biological applications related to nanostructured materials. Our research is focused on the following four topics:

Self-Assembled Photonic Crystals and Colloidal Plasmonics

Photonic crystals and colloidal plasmonics offer unprecedented opportunities for the realization of all-optical integrated circuits and optical chips. Our group is developing colloidal self-assembly approaches to control, manipulate, and amplify light on the sub-wavelength scale. We focus on the fundamental understanding and development of the spin-coating technique to achieve functional nano-optical devices.

Electrokinetic Separation and Micro-Analysis of Bio-Macromolecules

Microfabricated devices for separating biomolecules like DNA or protein are important for future integrated bioanalysis systems. Our group is exploring a non-lithographic approach to make new nanofluidic devices with hierarchical pore systems for practical production and integration of micro total bioanalysis systems (m-TAS). We are also interested in developing a galvanic-cell-based microchip technique for the enrichment and separation of trace biomaterials such as cells.

Nanocrystalline for Ultra-High Density Magnetic and Optical Recording

Self-organizing ferromagnetic nanocrystallines are promising for ultra-high density magnetic recording materials. Our group is exploring new synthetic and assembly approaches to produce sub-10-nm ferromagnetic nanocrystals and wafer-scale thin-film nanocomposites to target terabits per square inch areal density. We are also interested in developing synthetic strategies for ternary chalcogenide optical recording materials.

Self-Healing Materials

Self-healing materials are of great technological importance in reducing material failure and maintenance cost. We are developing bio-mimetic self-healing systems associated with galvanic (bimetallic) and pitting corrosion. We utilize an in-situ, spontaneous corrosion electric field to deliver repairing agents to defect sites.

Figure Caption: Micropatterned colloidal photonic crystal prepared by spin coating.

Selected Publications

• P. Jiang, "Large-scale fabrication of periodic nanostructured materials by using non-close-packed colloidal crystals as templates," Langmuir, 3955-3958 (2006).
• P. Jiang and M. McFarland, "Wafer-scale periodic nanohole arrays templated from two-dimensional non-close-packed colloidal crystals," J. Am. Chem. Soc., 127, 3710-3711 (2005).
• P. Jiang and M. McFarland, "Large-scale fabrication of wafer-size colloidal crystals, macroporous polymers, and nanocomposites by spin-coating," J. Am. Chem. Soc. 126, 13778-13786 (2004).
• P. Jiang, "Surface-templated nanostructured films with two-dimensional ordered arrays of voids," Angew. Chem. Int. Ed.43, 5625-5628 (2004).
• P. Jiang, J. F. Bertone, and V. L. Colvin, "A lost-wax approach to monodisperse colloids and their crystals," Science 291, 453-457 (2001).