Rupar, Paul A. - The University of Alabama

个人简介

Education: Undergraduate Degree B.Sc., 2005, University of Western Ontario Education: Doctoral Degree Ph.D., 2009, University of Western Ontario Education: Other Postdoctoral Research Fellow, 2010-2012, University of Bristol

研究领域

Conjugated polymers, block copolymers, polymer templating Due to their desirable mechanical properties, ease of processability, and low cost, polymers have supplanted many traditional materials in a large range of applications. However, despite their extensive adaptation, most commercially available polymers are passive; they have useful mechanical properties but lack advanced chemical or electronic functionality. Our aim is to introduce novel functionality into polymeric materials through the incorporation of inorganic elements. As our research encompasses the areas of polymer chemistry, inorganic chemistry, and materials science, students in our group will gain experience in the design and synthesis of both small molecules and polymers, and will use a wide range of characterization techniques including NMR, IR, UV-Vis, size-exclusion chromatography, x-ray crystallography, light scattering, thermal analysis, and electron microscopy. Some of our areas of research: Novel Conjugated Polymers: Conjugated polymers are actively being studied for use in solar energy conversion, light emission, and sensors, among many other applications. The properties of conjugated polymers and their performance in devices are heavily dependent on the polymer’s molecular composition. Many of the conjugated polymers currently under study are derivatives of a small number of parent polymer moieties. Our aim is to develop novel, electron deficient conjugated polymers, focusing on electron-accepting materials for use in solar voltaic devices. Block Copolymer Templating: Block copolymers are macromolecules composed of two or more polymer chains linked together. In both the solid state and in solution, block copolymers can spontaneously form well-defined, controllable structures on the nanoscale through self-assembly. We plan on exploiting this self-assembly behavior to template inorganic materials with the goal of patterning novel ceramic and semi-conducting materials on the nanoscale. We are especially interested in the block copolymer nano-patterning of non-oxide containing inorganic materials.

近期论文

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“Dimensional Control of Block Copolymer Nanofibers with a π-Conjugated Core: Crystallization-Driven Solution Self-Assembly of Amphiphilic Poly(3-hexylthiophene)-b-poly(2-vinylpyridine)” Gwyther, J.; Gilroy, J. B.; Rupar, P A.; Lunn, David, J.; Kynaston, E.; Patra, S. K.; Whittell, G.; Winnik, M. A.; Manners, I. Chem. Eur. J. 2013, accepted “Self-seeding in one dimension: a route to uniform fiber-like nanostructures from block copolymers with a crystallizable core-forming” Qian, J.; Lu, Y.; Chia, A.; Zhang, M.; Rupar, P. A.; Gunari, N.; Walker, G.; Cambridge, G.; He.; H; Gerald, G.; Manners, I.; Winnik, M. A. ACS Nano 2013, accepted “Modular Synthesis of Polyferrocenylsilane Block Copolymers by Cu-catalyzed Alkyne/Azide “Click” Reactions.” Zhang, M.; Rupar, P. A.; Feng. C.; Lin, K.; Oliver, A.; Nunns, A.; Lunn, D. J.; Whittell, G. R.; Manners, I.; Winnik, M. A. Macromoleclues 2013, 46, 1296-1304 “Tunable Supermicelle Architectures from the Hierarchical Self-Assembly of Amphiphilic Cylindrical B–A–B Triblock Co-Micelles.” Qui, H.; Russo, G.; Rupar, P. A.; Chabanne, L.; Winnik, M. A.; Manners, I. Angew. Chem. Int. Ed. 2012, 51, 11882–11885 “Non-Centrosymmetric Cylindrical Micelles by Unidirectional Growth.” Rupar, P. A.; Chabanne, L.; Winnik, M. A.; Manners, I. Science 2012, 337, 559 – 562 *Highlighted in Science (Volume 337, Issue 6094, Page 530) and Chemical & Engineering News (Volume 90, Issue 33, Page 39) “Advanced Functional Block Copolymers.” Schacher, F. H.; Rupar, P. A.; Manners, I. Angew. Chem. Int. Ed. 2012, 51, 7898 – 7921 ” Cationic Cryptand Complexes of Tin(II).” Avery, J.; Hanson, M.; Herber, R.; Bladek, K.; Rupar, P. A.; Nowik, I.; Huang, Y.; Baines, K. M. Inorg, Chem. 2012, 51, 7306–7316 “Reversible Cross-Linking of Polyisoprene Coronas in Micelles, Block Comicelles, and Hierarchical Micelle Architectures using Pt(0)-Olefin Coordination.” Rupar, P. A.; Cambridge, G.; Winnik, M. A.; Manners, I. J. Am. Chem. Soc. 2011, 133, 16947–16957 “The Structure of the Crystalline Core of Field-Aligned, Monodisperse Cylindrical Micelles Using Synchrotron Scattering Techniques.” Gilroy, J. B.; Rupar, P. A.; Whittell, G. R.; Chabanne, L.; Hsiao, M. S.; Winnik, M. A.; Richardson, R. M.; Manners, I. J. Am. Chem. Soc. 2011, 133, 17056–17062 “Ionic Nature of Ge(II)-Centered Dications: A Germanium K-edge X-ray Absorption Near Edge Structures Study.” Ward, M.J.; Rupar, P.A.; Murphy, M.W.; Yiu, Y.; Baines, K.M.; Sham, T.K. Chem. Commun. 2010, 46, 7016-7018. “Reactivity Studies of N-Heterocyclic Carbene Complexes of Germanium(II).” Rupar, P.A.; Staroverov, V.N.; Baines, K.M. Organometallics 2010, 29, 4871- 4881. “Exploring the Limits of 73Ge Solid-State NMR Spectroscopy at Ultrahigh Magnetic Field.” Sutrisno, A.; Hanson, M. A.; Rupar, P. A.; Terskikh, V. V.; Baines, K. M.; Huang, Y. Chem. Commun. 2010, 46, 2817-2819. “On the Bonding in N-Heterocyclic Carbene Complexes of Germanium(II).” Ruddy, A. J.; Rupar, P. A.; Bladek, K. J.; Allan, C. J.; Avery, J. C.; Baines, K. M. Organometallics 2010, 29, 1362-1367. “Crown Ether Complexes of Cationic Germanium.” Rupar, P. A.; Bandyopadhyay, R.; Cooper, B. F. T.; Stinchcombe, M. R.; Ragogna, P. J.; Macdonald, C. L. B.; Baines, K. M. Angew. Chem. Int. Ed. 2009, 48, 5155-5158. *Selected as a “Very Important Paper” (VIP) “A Cryptand-Encapsulated Germanium(II) Dication.” Rupar, P. A.; Staroverov, V. N.; Baines, K. M. Science 2008, 322, 1360-1363. *Highlighted in Science (Volume 322, Issue 5906, Page 1333), Chemical & Engineering News (Volume 86, Issue 48, Page 12), Angewandte Chemie International Edition (DOI: 10.1002/anie200900181), Nature Chemistry (DOI:10.1038/nchem.102), and Chemistry World (http://www.rsc.org/chemistryworld/News/2008/November/28110802.asp). Listed as one of the top chemistry breakthroughs of 2008 by Chemistry World. (http://www.rsc.org/chemistryworld/News/2008/December/17120801.asp) “The Synthesis and Structure of N-Heterocyclic Carbene Complexes of Germanium(II).” Rupar, P. A.; Jennings, M. C.; Baines, K. M. Organometallics 2008, 27, 5043-5051. “A Germanium(II) Centered Dication.” Rupar, P. A.; Staroverov, V. N.; Ragogna, P. J.; Baines, K. M. J. Am. Chem. Soc. 2007, 129, 15137-15138. *Highlighted in Angewandte Chemie International Edition (DOI: 10.1002/anie200900181) “On the Synthesis, Structure, and Reactivity of Tetramesityldigermene.”Hurni, K.L.; Rupar, P.A.; Payne, N.C.; Baines, K.M. Organometallics 2007, 26, 5569-5575. “Stabilization of a Transient Diorganogermylene by an N-Heterocyclic Carbene.” Rupar, P.A.; Jennings, M.C.; Ragogna, P.J.; Baines, K.M. Organometallics 2007, 26, 4109-4111. *Listed as a “Most Accessed Article” during July – September 2007 for the journal Organometallics. “The Reactivity of an Anionic Gallium N-Heterocyclic Carbene Analogue with a Solution Stable Digermene.” Rupar, P.A.; Jennings, M.C.; Baines, K.M. Can. J. Chem. 2007, 85, 141-147.