Resume

Work

Education

Refereed Publications

  1. P. K. Bhowmik, A. K. Nedeltchev, H. Han, T. S. Jo, J. J. Koh, L. Senthilkumarb, P. Umavedi ”Photoactive amorphous molecular materials based on bisquinoline diamines and their synthesis by Friedländer condensation reaction,” JPPA: Chemistry, 2014, 283, 45-55.
  2. T. S. Jo, A. K. Nedeltchev, B. Biswas, H. Han, P. K. Bhowmik “Synthesis and characterization of poly(pyridinium salt)s derived from various aromatic diamines,” Polymer, 2012, 53, 1063-1071.
  3. A. K. Nedeltchev, H. Han and P. K. Bhowmik “Design and synthesis of photoactive ionic amorphous molecular materials,” J. Mater. Chem., 2011, 21, 12717-12724.
  4. A. K. Nedeltchev, H. Han, P. K. Bhowmik, “Solution, thermal and optical properties of novel poly(pyridinium salt)s derived from conjugated quinoline diamines,” J. Polym. Sci. Part A: Polym. Chem. 2011, 49, 1907-1918.
  5. A. K. Nedeltchev, H. Han,  P. K. Bhowmik, “Solution, thermal and optical properties of novel poly(pyridinium salt)s derived from an ambipolar diamine consisting of diphenyl quinoline and triphenyl amine moieties,” J. Polym. Sci. Part A: Polym. Chem. 2010, 48, 4611-4620.
  6. A. K. Nedeltchev, H. Han, P. K. Bhowmik, “Solution, thermal and optical properties of novel poly(pyridinium salt)s derived from conjugated pyridine diamines,” J. Polym. Sci. Part A: Polym. Chem. 2010, 48, 4408-4418.
  7. A. K. Nedeltchev, H. Han, P. K. Bhowmik, “Solution, thermal and optical properties of new poly(pyridinium salt)s derived from bisquinoline diamines,” Polym. Chem. 2010, 1, 908-915.
  8. P. K. Bhowmik, H. Han, A. K. Nedeltchev, H. D. Mandal, J. A. Jimenez-Hernandez and P. M. Mcgannon, “Poly(pyridinium salt)s with organic counterions derived from an aromatic diamine containing tetraoxyethylene units exhibiting amphotropic liquid-crystalline and photoluminescence properties,” J. Appl. Polym. Sci. 2010, 116, 1197-1206.
  9. A. K. Nedeltchev, H. Han, P. K. Bhowmik “Photoactive amorphous molecular materials based on quinoline amines and their synthesis by Friedlander condensation reaction,” Tetrahedron, 2010, 66, 9319-9326.
  10. P. K. Bhowmik, H. Han, A. K. Nedeltchev, H. D. Mandal, J. A. Jimenez-Hernandez, P. M. McGannon, S.-W. Kang, S. Kumar, “Synthesis and characterization of thermotropic liquid-crystalline properties of azomethine dimers,” Liquid Crystals 2009, 36, 1389-1399.
  11. P. K. Bhowmik, H. Han, A. K. Nedeltchev, H. D. Mandal, J. A. Jimenez-Hernandez, P. M. McGannon, “Poly(pyridinium salt)s with organic counterions derived from an aromatic diamine containing oxyethylene unit exhibiting amphotropic liquid-crystalline and  photoluminescence properties,” Polymer 2009, 50, 3128–3135.
  12. P. K. Bhowmik, A. K. Nedeltchev, and H. Han, “Synthesis, Thermal and Light-Emitting Properties of Anthracene Derivatives,” Molecular Crystals and Liquid Crystals 2009, 501, 125-137.
  13. P. K. Bhowmik, A. K. Nedeltchev, and H. Han, “Synthesis and thermal and lyotropic liquid crystalline properties of protic ionic salts,” Liquid Crystals 2008, 35, 757-764.
  14. P. K. Bhowmik, S. Kamatam, H. Han, and A. K. Nedeltchev, “Synthesis and Characterization of Poly(pyridinium salt)s with Oxyalkylene Moieties Exhibiting Both Amphotropic Liquid-Crystalline and Photoluminescence Properties,” Polymer 2008, 49, 1748 – 1760.
  15. P. K. Bhowmik, A. K. Nedeltchev, H. Han, “Synthesis, optical, and thermal properties of conjugated, bispyridyl and tetrapyridyl compounds by Knoevenagel reaction,” Tetrahedron Lett. 2007, 48, 5383-5387.
  16. P. K. Bhowmik, H. Han, and A. K. Nedeltchev, “Synthesis and Characterization of Poly(pyridinium salt)s with Anthracene Moieties Exhibiting Both Lyotropic Liquid-Crystalline and UV Light-Emitting Properties,” Polymer 2006, 47, 8281-8288.
  17. P. K. Bhowmik, H. Han, A. K. Nedeltchev, “Synthesis and Characterization of Poly(pyridinium salt)s with Organic Counterions Exhibiting Both Thermotropic Liquid-Crystalline and Light-Emitting Properties,” J. Polym. Sci. Part A: Polym. Chem. 2006, 44, 1028-1041.
  18. H. Han, P. R. Vantine, A. K. Nedeltchev, P. K. Bhowmik, “Main-Chain Ionene Polymers Based on trans-1,2-bis(4-pyridyl)ethylene Exhibiting Both Thermotropic Liquid-Crystalline and Light-Emitting Properties,” J. Polym. Sci. Part A: Polym. Chem. 2006, 44, 1541-1554.

Refereed Conference Proceedings

  1. T. S. Jo,  A. K. Nedeltchev, B. Biswas, H. Han, and P. K. Bhowmik, “Solution And Optical Properties of Poly(pyridinium salt)s Derived from Various Aromatic Diamines,” Polymer Preprint 2011, 52(1), 115-116.
  2. H. D. Mandal, P. K. Bhowmik, H. Han, and A. K. Nedeltchev, “Poly(pyridinium salt)s Derived from a,w-Diaminoalkanes: Thermotropic Liquid-Crystalline and Photoluminescence Properties,” Polym. Prepr., (Am. Chem. Soc., Div. Polym. Chem.) 2009, 50(1), 250-251.
  3. H. D. Mandal, P. K. Bhowmik, H. Han, A. K. Nedeltchev, J. A. Jimenez-Hernandez, and P. M. McGannon, “Poly(pyridinium salt)s with Organic Counterions Derived from Aromatic Diamine Containing Tetraethyleneoxy Unit Exhibiting Thermotropic Liquid-Crystalline and Photoluminescence Properties,” Polym. Prepr., (Am. Chem. Soc., Div. Polym. Chem.) 2009, 50(1), 252-253.
  4. P. R. Vantine, H. Han, A. K. Nedeltchev, and P. K. Bhowmik, “Main-Chain Viologen Polymers with Organic Counterions Exhibiting Thermotropic Liquid-Crystalline Properties,” Polym. Prepr. (Am. Chem. Soc., Div. Polym. Chem.) 2005, 46(1), 680-681.
  5. H. Han, P. R. Vantine, A. K. Nedeltchev, and P. K. Bhowmik, “Main-Chain Thermotropic Liquid-Crystalline Ionene Polymers Based on Trans-1,2-bis(4-pyridyl)ethylene,”  Polym. Prepr. (Am. Chem. Soc., Div. Polym. Chem.)2005,46(1), 678-679.
  6. P. K. Bhowmik, P. R. Vantine, A. K. Nedeltchev, and H. Han, “Main-Chain Thermotropic Liquid-Crystalline Ionene Polymers Based on 1,2-Bis(4-pyridyl)ethane,” Polym. Prepr. (Am. Chem. Soc., Div. Polym. Chem.) 2005, 46(1), 676-677.
  7. P. K. Bhowmik, H. Han, A. K. Nedeltchev, and Z. Wang, “Synthesis and Characterization Poly(pyridinium salt)s with Organic Counterions Exhibiting Thermotropic Liquid-Crystalline Properties,” Polym. Prepr. (Am. Chem. Soc., Div. Polym. Chem.). 2005, 46(1), 799-800.
  8. A. K. Nedeltchev, H. Han, P. K. Bhowmik, “Synthesis and Characterization of Anthracene Polymer with Lawesson’s Reagent,” Polym. Prepr. (Am. Chem. Soc., Div. Polym. Chem.) 2005, 46(1), 791-792.

Abstracts and Posters

Abstract: Submitted for the 237th ACS National Meeting, Salt Lake City, UT, March 22-26, 2009 (Division of Organic Chemistry).

 

  1. H. D. Mandal, P. K. Bhowmik, H. Han, A. K. Nedeltchev, J. A. Jimenez-Hernandez, P. M. McGannon, and L. Lopez, “Synthesis and Characterization of Thermotropic Liquid-Crystalline Azomethine Dimers”.

42nd ACS Western Regional Meeting, Las Vegas, NV, September 23-27, 2008.

 

  1. Oral Presentation: H. D. Mandal, P. K. Bhowmik, H. Han, A. K. Nedeltchev, J. A. Jimenez-Hernandez, and P. M. McGannon, “Poly(pyridinium salt)s Containing Oxyethylene Units in the Main Chain Exhibiting Thermotropic Liquid-Crystalline and Photoluminescence Properties”.
  2. Oral Presentation:  A. K. Nedeltchev, H. Han, and P. K. Bhowmik, “Synthesis and Characterization of Poly(pyridinium salt)s with Quinoline Moieties Exhibiting High Thermal Stability, Excellent Solubility, and Photoluniescence”.
  3. Oral Presentation: H. D. Mandal, P. K. Bhowmik, H. Han, A. K. Nedeltchev, J. A. Jimenez-Hernandez, P. M. McGannon, and L. Lopez, “Synthesis and Characterization of Thermotropic Liquid-Crystalline Azomethine Dimers”.
  4. Oral Presentation: A. K. Nedeltchev, H. Han, and P. K. Bhowmik, “Synthesis and Characterization of Poly(pyridinium salt)s with Pyridine Moieties Exhibiting High Thermal Stability, Excellent Solubility, and Photoluniescence”.
  5. Oral Presentation: P. K. Bhowmik, H. Han, and A. K. Nedeltchev, “Poly(pyridinium salt)s Derived from 2,2´-Bis(trifluoromethyl)-4,4´-Diaminobiphenyl: Liquid-Crystalline and Photoluminescence Properties”.
  6. Oral Presentation: P. K. Bhowmik, H. Han, and A. K. Nedeltchev, “Poly(pyridinium salt)s Derived from a,w-Diaminoalkanes: Thermotropic Liquid-Crystalline and Photoluminescence Properties”.
  7. Oral Presentation: A. K. Nedeltchev, H. Han, and P. K. Bhowmik, “Synthesis, Optical and Thermal Properties of Conjugated, Quinoline Diamines by Friedländer Condensation Reaction”.
  8. Poster Presentation: T. K. Kim, O. Tanthmanatham, A. K. Nedeltchev, H. Han, and P. K. Bhowmik, “Synthesis and Characterization of Novel Ionic Compounds from Stilbazole Derivative”.