Source: http://www.uww.edu/cls/departments/chemistry/nanotechnology
Timestamp: 2019-04-20 08:38:40+00:00

Document:
Research in nanotechnology (also called nanoscience) is extremely dynamic and active, involving chemists, physicists, biologists, and engineers working toward making, understanding, and applying materials on the length scale of 1-100 nanometers. This is extremely small: a 6 foot tall person is ~1.8 meters; a typical grain of sand may be between 0.1 and 2 millimeters (.0001 to .002 m); the diameter of a human hair is ~10-100 micrometers (.00001 to .0001 m); one nanometer is equivalent to one billionth of a meter (.000000001 m). At this length scale, the physics of many materials change along with their properties (e.g. electronic, thermal, and mechanical). In some cases, scientists can control the properties of nanomaterials if their size can be systematically confined to the nanoscale regime.
The research, development, and application of nanomaterials is a multi-billion dollar industry. More importantly, nanoscience can potentially transform the lives of millions of people with potential advances in energy, medicine, environmental remediation, and reduced material cost. Every major research university and most chemical companies will involve components of nanotechnology research. By giving students at UW-Whitewater exposure to research in nanotechnology, they will become better positioned for success in this modern and rapidly changing field.
Products incorporating nanostructured materials include stain and moisture-resistant clothing, nanocomposites making plastics and metals stronger and lighter, enhancements in solar cells and batteries for energy generation and storage, and devices that have enabled advancements in computing technologies for personal computers, smartphones, and appliances.
As many chemical companies and manufacturers move toward new products enabled by nanotechnology, many are interested in hiring individuals experienced in nanoscience. Likewise, nanoscience researchers must be highly versatile. Nanoscience research is highly interdisciplinary, incorporating chemistry, physics, and materials science into their work, with interactions alongside businesses and governmental entities.
We have hired a nano-chemist, Dr. Steven Girard, in the rank of Assistant Professor. The Department of Physics is also hiring a nano-physicist. Dr. Eric Brown, Assistant Professor of Biological Sciences, is a nano-biologist. An annual nano-symposium is held in October every year.
1. Gelbstein, Y.; Davidow, J.; Girard, S. N.; Chung, D. Y.; Kanatzidis, M. G., Controlling Metallurgical Phase Separation Reactions of the Ge0.87Pb0.13Te Alloy for High Thermoelectric Performance. Advanced Energy Materials, 2013, in press.
2. Pokhrel, A.; Degregorio, Z. P.; Higgins, J. M.;Girard, S. N.; Jin, S., Vapor Phase Conversion Synthesis of Higher Manganese Silicide Nanowire Arrays.Chemistry of Materials, 2013, 25 (4), 632–638.
3. Jaworski C. M.; Nielsen, M. D.; Wang, H.;Girard, S. N.; Cai, W.; Porter, W. D.; Kanatzidis, M. G.; Heremans, J. P., Valence-Band Structure of Highly Efficient p-type Thermoelectric PbTe-PbS Alloys.Physical Review B, 2013, 87, 045203.
4. Girard, S. N.; Schmidt-Rohr, K.; Chasapis, T.C.; Hatzikraniotis, E.; Njegic, B.; Levin, E.M.; Rawal, A.; Paraskevopolous, K.M.; Kanatzidis, M.G., Analysis of Phase Separation in High Performance PbTe - PbS Thermoelectric Materials. Advanced Functional Materials, 2013 (23), 747-757.
5. He, J.; Blum, I.; Wang, H.-Q.; Girard, S. N.; Doak, J.; Zhao, L.; Zheng, J.-C.; Casillas, G.; Wolverton, C.; Jose-Yacaman, M.; Seidman, D.; Kanatzidis, M. G.; Dravid, V. P., Morphology Control of Nanostructures: Na-doped PbTe-PbS System. Nano Letters, 2012 (12), 5979-5984.
6. Girard, S. N.; Chasapis, T. C.; He, J.; Zhou, X.; Hatzikraniotis, E.; Uher, C.; Paraskevopoulos, K. M.; Dravid, V. P; Kanatzidis, M. G.; PbTe – PbSnS2Thermoelectric Composites: Low Lattice Thermal Conductivity From Large Microstructures.Energy and Environmental Science, 2012 (5), 8716-8725.
7. He, J.;Girard, S. N.; Zheng, J. –C.; Zhao, L.; Kanatzidis, M. G.; Dravid, V. P.; Strong Phonon Scattering by Layer Structured PbSnS2in PbTe Based Thermoelectric Materials. Advanced Materials, 2012 22 (27), 13653.
8. Chasapis, T. C.;Girard, S. N.;Hatzikraniotis, E.;Paraskevopoulos, K. M.; Kanatzidis, M. G., On the Study of PbTe-based Nanocomposite Thermoelectric Materials.Journal of Nano Research, 2012 (17), 165-174.
9. Girard, S. N.; He, J.; Zhou, X.; Shoemaker, D.; Jaworski, C.; Uher, C.; Dravid, V. P.; Heremans, J. P.; Kanatzidis, M. G.; High Performance Na-doped PbTe – PbS Thermoelectric Materials: Electronic Density of States Modification and Shape-Controlled Nanostructures. Journal of the American Chemical Society, 2011 133 (41), 16588-16597.
10. Wu, J.; He, J.; Han, M. K.; Sootsman, J. R.;Girard, S. N.; Arachchige, I. U.; Kanatzidis, M. G.; Dravid, V. P., Electron-Beam Activated Thermal Sputtering of Thermoelectric Materials.Journal of Applied Physics, 2011 110 (4), 044325.
11. He, J. Q.; Sootsman, J. R.; Xu, L. Q.;Girard, S. N.; Zheng, J. C.; Kanatzidis, M. G.; Dravid, V. P., Anomolous Electronic Transport in Dual-Nanostructured Lead Telluride.Journal of the American Chemical Society, 2011, 133 (23), 8786-8789.
13. Girard, S. N.; He, J.; Li, C.; Moses, S.; Wang, G.; Uher, C.; Dravid, V. P.; Kanatzidis, M. G., In Situ Nanostructure Generation and Evolution within a Bulk Thermoelectric Material to Reduce Lattice Thermal Conductivity.Nano Letters, 2010, 10 (8), 2825-2831.
14. He, J.; Sootsman, J. R.;Girard, S. N.; Zheng, J.-C.; Wen, J.; Zhu, Y.; Kanatzidis, M. G.; Dravid, V. P., On the Origin of Increased Phonon Scattering in Nanostructured PbTe Based Thermoelectric Materials.Journal of the American Chemical Society, 2010, 132 (25), 8669-8675.
15. Ni, J. E.; Case, E. D.; Khabir, K. N.; Stewart, R. C.; Wu, C.-I.; Hogan, T. P.; Timm, E. J.;Girard, S. N.; Kanatzidis, M. G., Room temperature Young's modulus, shear modulus, Poisson's ratio and hardness of PbTe-PbS thermoelectric materials.Materials Science and Engineering: B, 2010, 170 (1-3), 58-66.
16. He, J.;Girard, S. N.; Kanatzidis, M. G.; Dravid, V. P., Microstructure-Lattice Thermal Conductivity Correlation in Nanostructured PbTe0.7S0.3Thermoelectric Materials.Advanced Functional Materials, 2010, 20 (5), 764-772.
17. Kanatzidis, M. G. Zhang, Q.,Girard, S. N., and Biswas, K., Thermoelectric compositions comprising inclusions in a chalcogenide matrix; Patent WO/2011/037794, March 31 2011.
18. Androulakis, J. A., Gao, Y.,Girard, S. N., Heremans, J. P., Jaworski, C. M., Kanatzidis, M. G., Thermoelectric figure of merit enhancement by modification of the electronic density of states; Patent WO/2011/112994, September 15 2011.

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