个人简介

B.Sc. & Ph.D. - Queen's University

研究领域

Organic Materials

Organic Materials liquid crystals, conjugated polymers, organic synthesis, self-assembly and molecular recognition We are creating new organic materials for electronics applications such as light emitting devices (LEDs), field effect transistors and chemical sensors. We are particularly interested in discovering new ways to control the self-assembly of organic molecules into nanostructured materials. A major focus of this research is to try to understand the relationship between molecular structure and macroscopic properties. Specific goals include: the synthesis of new disc-shaped organic molecules as liquid crystalline materials, the use of hydrogen bonds, metal coordination and pi-pi interactions to control self-assembly processes, and the development of synthetic methods for creating novel molecular architectures for liquid crystals and conjugated polymers.

近期论文

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K. J. A. Bozek, K. I. Ho, T. St. Martin, P. Argyropoulos, V. E. Williams “Liquid Crystalline Esters of Dibenzophenazines” Materials, 2015, 8, 270-84. 23. K. M. Psutka, J. Williams, J. A. Paquette, O. Calderon, K. J. A. Bozek, V. E. Williams, K. E. Maly “Synthesis of Substituted Dibenzo[a,c]anthracenes and an Investigation of Their Liquid Crystalline Properties” Eur. J. Org. Chem. 2015, 2015, 1456-63. 22. K. J. A. Bozek, V. E. Williams “Folded Discotic Dimers” Soft Matter, 2014, 10, 5749-5754. 21. C. C. Ling, S. Ward, O. Calderon, S. Keller, V. E. Williams, “Investigation into the Role of the Hydrogen Bonding Network in Cyclodextrin-based Liquid Crystals” J. Mater. Chem. C, 2014, 2, 4928-9393. 20. J. R. Thompson, R. J. Roberts, V.E. Williams, D. B. Leznoff ”Birefringent, emissive coordination polymers incorporating bis(benzimidazole) pyridine as an anisotropic building block” Cryst. Eng. Comm. 2013, 45, 9387-9393. 19. J. R. Thompson, J. S Ovens, V.E. Williams, D. B. Leznoff “Supramolecular Assembly of Bis(benzimidazole)pyridine: An Extended Anisotropic Ligand For Highly Birefringent Materials” Chem. Eur. J. 2013, 49, 16572-16578. 18. J. A. Paquette, C. J. Yardley, K. M. Psutka, M. A. Cochran, O. Calderon, V. E. Williams, K. E. Maly “Dibenz[a,c]anthracene derivatives exhibiting columnar mesophases over broad temperature ranges” Chem. Commun. 2012, 48, 8210-12. 17.D. Bailey, N. Seifi, V. E. Williams “Steric Effects on [4+4]-Photocycloaddition Reactions Between Complementary Anthracene Derivatives” Dyes Pigm. 2011, 89, 313-8. 16. M. Rakotomala, M. Katz, E. Voisin, T.C.S. Pace, C. Bohne, V. E. Williams “Photochromic Benzo[g]quinoxalines” Can. J. Chem. 2011, 89, 297-302. 15. E. Voisin, E. J. Foster, M. Rakotomalala, V E. Williams “The Effects of Symmetry on the Stability of Columnar Liquid Crystals” Chem. Mater. 2009, 21, 3251-61. 14. C. Lavigueur, E. J. Foster, V. E. Williams “Self-Assembly of Discotic Mesogens in Solution and in Liquid Crystalline Phases: Effects of Substituent Position and Hydrogen Bonding.” J. Am. Chem. Soc. 2008, 130, 11791-11800. 13. E. Voisin, V. E. Williams “Do Catechol Derivatives Electropolymerize?” Macromolecules 2008, 41, 2994-2997. 12. C. Lavigueur, E. J. Foster, V. E. Williams “A simple and inexpensive capillary furnace for variable-temperature X-ray diffraction.” J. Applied Crystallography 2008, 41, 214-216. 11. C. Lavigueur, E. J. Foster; V. E. Williams “Modular assembly of elliptical mesogens.” Liq. Cryst. 2007, 34, 833-840. 10.E. J. Foster, R. B. Jones, C. Lavigueur, V. E. Williams “Structural Factors Controlling the Self-Assembly of Columnar Liquid Crystals.” J. Am. Chem. Soc. 2006, 128, 8569-8574. 9. D. Bailey, V. E Williams “Wavelength-Dependent Selectivity in [4 + 4]-Cycloaddition Reactions.” J. Org. Chem. 2006, 71, 5778-5780. 8.D. Bailey, J. N. Murphy and V. E. Williams “From enolates to anthraquinones.” Can. J. Chem. 2006, 84, 659-666. 7. E. J. Foster, C. Lavigueur, Y.-C. Ke and V. E. Williams “Self-assembly of hydrogen-bonded molecules: discotic and elliptical mesogens” J. Mater. Chem. 2005, 15, 4062-8. 6. D. Bailey and V. E. Williams “Complementarity and Bimolecular Photochromism” Chem. Commun. 2005, 2569-71. 5. E. J. Foster, J. Babuin, N. Nguyen, V.E. Williams "Synthesis of unsymmetrical dibenzoquinoxaline discotic mesogens" Chem. Commun. 2004, 2052-3.