Development and application of materials with well-defined molecular and bulk properties is increasingly important for contemporary technologies. Therefore, my primary area of research activity is concerned with advanced molecular self-organizing organic materials and involves their computer-aided design, synthesis, extensive characterization, and device performance studies. In this context we investigate two broad classes of liquid crystals, which use either inorganic boron clusters or pi-delocalized stable radicals as key structural elements. We address basic and applied problems in science and technology with the focus on extensive structure-property relationships, optoelectronics, molecular electronics, energy conversion and storage, and molecular magnetism.
In the first project, the proper choice of boron cluster (size and the overall charge) and the substituents gives rise to series of unprecedented liquid crystalline compounds with variable polarity or forming ion pairs. The former are investigated as potential materials for display applications, while the latter as anisotropic electrolytes for ion batteries.
In the second project, conducted mainly at the University of Łódź, Poland, we investigate the effect of supramolecular organization of appropriately substituted verdazyl and benzo[e][1,2,4]triazinyls on photovoltaic and magnetic properties of such materials.

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Degree Information
M.Sc., (magister inżynier), Warsaw Polytechnic, Poland (1985)

Ph.D., University of Texas (1991)
habilitation, University of Łódź (2007)

Current Positions
Professor of Chemistry Center of Molecular and Macromolecular Studies, Polish Academy of Sciences          

Professor of Chemistry University of Łódź                                          

Research Professor       Middle Tennessee State University      

Recent Publications

1.     Constantinides, C. P; Obijalska, E.; Kaszyński P. “Access to 1,4-dihydrobenzo[e][1,2,4]-triazin-4-yl derivatives”, Org. Lett. 2016, 18, 916–919.

2.     Pecyna, J.; Jankowiak, A.; Pociecha, D.; Kaszyński, P. “o-Carborane derivatives for probing molecular polarity effects on liquid crystal phase stability and dielectric behavior” J. Mater. Chem. C, 2015, 3, 11412-11422.

3.     Tokarz, P.; Domagała, S.; Kaszyński, P.; Woźniak, K. “The [closo-B₁₂H₁₁-1-IAr]^- zwitterion as a precursor to monosubstituted derivatives of [closo-B₁₂H₁₂]^2-“, J. Organometal. Chem. 2015, 798, 70-79.

4.     Kaszynski, P. and Ringstrand, B. "Functionalization of closo-borates through iodonium zwtterions", Angew. Chem. Int. Ed. 2015, 54, 6576 –6581.

5.     Ciastek, S.; Jasinski, M.; Kaszynski, P. "3-Substituted 6-oxoverdazyl bent-core nematic radicals: synthesis and characterization", RSC Advances, 2015, 5, 33328.

6.     Jasinski, M.; Gebicki, K.; Kaszynski, P. “Bent-core 6-thioxoverdazyl: a comparison of mesogenic properties with the 6-oxo analogue", Liq. Cryst. 2015, 42, 982-988.

7.     Wojciechowska, A.; Jasinski, M.; Kaszynski, P. “Tautomeric equilibrium in trifluoroacetaldehyde arylhydrazones", Tetrahedron, 2015, 71, 2349-2356.

Current Funding

"RUI: Liquid Crystalline Zwitterionic Derivatives of closo-Boranes for Display Applications"

NSF DMR-1611250,                MTSU,                        2016-2019              $ 340,000

“Organic semiconducting liquid crystalline materials derived from the verdazyl radical”

NCN-2014/13/B/ST5/04525, University of Łódź, Poland           2015-2018       665,340 PLN

“Polar liquid crystals derived from boron clusters”,

NCN-2015/17/B/ST5/02801, CMMS PAS, Poland                     2016-2019       1,260,840 PLN

 
Affiliations
American Chemical Society,

International Liquid Crystal Society

Polish Chemical Society

Polish Liquid Crystal Society

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