Dr. Abhijit Sarkar
Research Scientist

Dr. Abhijit SarkarAreas of Research Interest

  • Materials for Photonics - Polymeric, organic and inorganic materials for optical power limiting and electro-optic applications; Laser eye protection and sensor protection; Photonic micro and nanostructures, Refractive and plasmonic effects, Photo-induced effects, Photorefractivity, Optical manipulation of materials
  • Carbon Nanotubes – Functionalization of carbon nanotubes; Application of carbon nanotubes, fullerenes and highly ordered conjugated polymers; Linear and nonlinear optical properties of carbon nanotubes
  • Conjugated Polymers - Synthesis of monomers and small organic molecules, incorporating quinoline, thiophene, pyrrole, fluorine and similar moieties; Electrochemical and chemical polymerization to obtain conjugated polymers; Solid state (topochemical) polymerization of diacetylenes; Development of organic/polymer components for photovoltaic devices
  • Electrolyte Development for Li-batteries - Development of polymer based electrolytes for Li-ion batteries, Gel Electrolytes; Hyperbranched polymer (HBP) based nanocomposite electrolytes
  • Membranes for Liquid and Gas separation - Development of membranes for water and gas separation; Cross-flow membranes; Modification of membrane surfaces for antifouling properties; Membrane development for lithium batteries

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Education

PhD - Indian Institute of Technology, Bombay, India (1993, Chemistry)
MS - Ranchi University, Ranchi, India (1987, Chemistry)
BS - St. Xavier's College, Ranchi, India (1983, Chemistry)

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Research Experience

  • National Organics and Chemicals Industries Limited (NOCIL), Bombay, India, Research Officer, 1993-1994
  • National University of Singapore, Singapore, Postdoctoral Fellow, 1994-1995
  • Institute of Chemical Reaction Science, Tohoku University, Sendai, Japan, JSPS Fellow, 1995-1997
  • Institute of Chemical reaction Science, Tohoku University, Sendai, Japan, Assistant Professor, 1997-1999
  • University of Oregon, Eugene, OR, USA, Postdoctoral Fellow, 1999-2001
  • Michigan Molecular Institute, Midland, MI, USA, Research Associate, 2001-2002
  • Michigan Molecular Institute, Midland, MI, USA, Associate Scientist, 2003-2006
  • Michigan Molecular Institute, Midland, MI, USA, Senior Associate Scientist, 2006-2008
  • University of North Texas, Denton, TX, USA, Adjunct Professor of Physics, 2007- Present
  • Michigan Molecular Institute, Midland, MI, USA, Research Scientist, 2008-Present
  • Central Michigan University, Mt. Pleasant, MI, USA, Adjunct Professor of Chemistry, 2009- Present

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Other Professional Experience

  • Co-Chair, Organizing Committee of the Symposium on "New Membranes and Advanced Materials for Wastewater Treatment.", American Chemical Society 2008 Spring National Meeting, New Orleans, LA, April 6-10, 2008.
  • Member of the Organizing Committee of the JSPS-UNT Joint Symposium on Nanoscale Materials for Optoelectronics and Biotechnology, University of North Texas, Denton, TX, February 2-3, 2008
  • Vice Chair, Executive Committee, JSPS U.S. Alumni Association, 2007-present
  • Chair, Organizing Committee of the International Symposium on Multifuctional Nanoscale Materials for the 21st Century, Argonne National Laboratory, Argonne, IL, March 6-7, 2008

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Patents

    1.  Polymeric dyes for optical power limiting. Sarkar. A.; Godschalx. J.; Dvornic, P., US Patent appln., 61/277,308 (2009)
    2. Instant-blackening laser protection for optical equipment and human eyes. Sarkar, A.; Rayfield, G., US Patent appln.,US200901602 (2009)
    3. Non-focal optical power limiting polymeric materials. Sarkar, A.; Rahman, S.; Mirza, S.; Rayfield, G., US Patent appln., 61/210,066 (2009)
    4. Surface modification of polyamide reverse osmosis membranes. Sarkar, A.; Carver, C.; Rousseau, J.; Dvornic, P., US Patent. appln., 61/212,206 (2009)
    5. Solid-State Colorimetric Biosensors comprised of dendritic polymer networks. Dvornic, P.; Kaganove, S.; Sarkar, A., US7,141,437 B2 (2006)

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Theses and Dissertations

  • Synthesis and Solid State Polymerization of Functionalized Heterocyclic Diacetylenes, PhD. Thesis, Department of Chemistry, Indian Institute of Technology, Bombay, India, 1993

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Awards

  • Japan Society for the Promotion of Science Bridge Fellow, Japan, 2010
  • Japan Society for the Promotion of Science Fellowship, Tohoku University, Japan, 1995
  • Council for Scientific and Industrial Research Fellowship, New Delhi, India, 1988
  • University Grants Commission (UGC) Research Fellowship, New Delhi, India, 1987

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Teaching Experience

  • Teaching Assistant in General and Organic Chemistry, Indian Institute of Technology, Bombay, India, 1988-1991
  • Adjunct Professor of Physics, University of North Texas, Denton, TX, USA, 2007- Present

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Scientific and Professional Societies

  • American Chemical Society, Member, 1999-present
  • American Chemical Society, Division of Polymer Science, member, 1999-present
  • American Chemical Society, Division of Organic Chemistry, member, 1999-present
  • American Chemical Society, Midland, MI Section, member, 2001-present
  • Chemical Society of Japan, member, 1995-1999
  • American Water Works Association (AWWA), member, 2007-2008
    SPIE, member, 2009-present
  • Indian Institute of Technology Alumni Association (Member)
  • Japan Society for the Promotion of Science Alumni Association (Member, Vice Chair of the Executive Committee)

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Publications

Books

    1. New Membranes and Advanced Materials for Wastewater Treatment, Mueller, A., Guieysse, B., Sarkar, A. (Eds.), ACS Symposium Series 1022, American Chemical Society, Washington DC, 2009.

Book Chapters

    1. Carbon Nanotubes for Optical Power Limiting Applications. Sarkar, A.; Rahman, S.; Mirza, S.; Dvornic, P.; and Rayfield, G. in “Photonics at Nanoscale”, Wang, Z.M. and Neogi, A. (eds.), Springer, 2010 (in press).
    2. Surface Modification of Polyamide Reverse Osmosis Membranes using Coatings and Formulations based on Hyperbranched and Dendritic Polymers. Sarkar, A.; Carver, P.I.; Zhang, T.; Merrington, A.; Bruza, K.J.; Rousseau, J.L.; Keinath, S.E. and Dvornic, P.R. New Membranes and Advanced Materials for Wastewater Treatment, Mueller, A., Guieysse, B., Sarkar, A. (Eds.), ACS Symposium Series 1022, American Chemical Society, Washington DC, pp187-207, 2009.
    3. Dendritic Polymer Networks: A New Class of Nano-domained Environmentally Benign Antifouling Coatings. Sarkar, A.; Rousseau, J.L.; Hartmann-Thomson, C.; Maples, C.; Parker, J.; Joyce, P.; Scheide, J.I. and Dvornic, P.R. New Membranes and Advanced Materials for Wastewater Treatment, Mueller, A., Guieysse, B., Sarkar, A. (Eds.), ACS Symposium Series 1022, American Chemical Society, Washington DC, pp165-186, 2009..
    4. A Soluble and Electrically Conducting Polymer System Incorporating thiophene and acetylenic moieties. A. Sarkar, Leong L. San, Hardy S. O. Chan and Siu C. Ng  in Polymers and Other Advanced Materials, Eds. P.N. Prasad, E. Mark and J.F. Fai, Plenum, New York, pp. 355, 1995.
    5. Polymerization of 1,4-bis(2-thienyl)-1,3-butadiyne and 1,4-bis(3-thienyl)-1,3-butadiyne. Abhijit Sarkar, Rakesh Sachdeva and Satya S. Talwar. Polymer Science- Recent Advances, Ed. I.S. Bhardwaj, Allied Publishers Ltd., New Delhi, vol. 1, pp.278, 1994.
    6. Synthesis and solid state polymerization of novel diacetylenes. Lalita P. Bhagwat, Nagendra K. Babu, Abhijit Sarkar and Satya S. Talwar. Polymer Science- Recent Advances, Ed. I.S. Bhardwaj, Allied Publishers Ltd., New Delhi, vol. 1, pp.82-87, 1994.
    7. Solid state and electrochemical polymerization of novel diacetylene monomers. Abhijit Sarkar, Anuradha Kulkarni, A. Q. Contractor and S. S. Talwar. Polymer Science- Contemporary Themes, Ed. S. Sivram, Tata McGraw Hill, New Delhi, vol. 1, pp. 267, 1991.
    8. Diacetylenes with formally conjugated sidegroups: Precursors to liquid crystalline polymers? A. Sarkar, K.N. Babu, P.K. Khandelwal, L.P. Bhagwat and S.S. Talwar. Frontiers of Polymer Research, Eds. Paras N. Prasad and J.K. Nigam, Plenum Press, New York, pp. 233, 1991.
    9. Optical properties of Polydiacetylenes in solution and solid state. K.N. Babu, A. Sarkar, L.P. Bhagwat and S.S. Talwar. Frontiers of Polymer Research, Eds. Paras N. Prasad and J.K. Nigam, Plenum Press, New York, pp. 183, 1991.

Papers

    1. Design and Preparation of Polydiacetylenes and Related Polymers as Materials for Electronics and Photonics. Sarkar, A.; Okada, S.; Nakanishi, H.; Oikawa, H.; Matsuda, H.; Sachdeva, R.; Rahman, S. Chem. Rev., (manuscript under preparation).
    2. Mechanistic studies for Optical switching materials for space environments. Rayfield, G.; Sarkar, A.; Rahman, S.; Godschalx, J. and Taylor, E. SPIE Proc., 2010 (manuscript under preparatio).
    3. Design and Evaluation of Carbon Nanotube Based Laser Blocking Materials. Rahman, S.; Sarkar, A.; Mirza, S.; and Rayfield, G. J. Nanosci. Nanotechnol., 10, 4805-4823, 2010.
    4. Intrinsic polarization of self-assembled guanosine supramolecules in GaN based metal-semiconductor-metal nano-structures. Li, J.; Sarkar, A.; Morkoc, H. and Neogi, A. IEE/OSA J. Display Technol., 5, 446-451, 2010.
    1. Dendrimer-based Coatings for Surface Modification of Polyamide Reverse Osmosis Membranes. Sarkar, A.; Carver, P.I.; Zhang, T.; Merrington, A.; Bruza, K.J.; Rousseau, J.L.; Keinath, S.E. and Dvornic, P.R. J. Membr. Sci., 349, 421-428, 2010.
    2. Multifunctional Composite Materials for Optical Power Limiting Applications in Space Environment. Sarkar, A.; Rahman, S.; Mirza, S.; Rayfield, G. and Taylor, E. J. Nanophotonics, 3, 031890, 2009.
    3. Optical Switching Materials with High Damage Threshold for Space Environments. Sarkar, A.; Rahman, S.; Mirza, S.; Rayfield, G. and Taylor, E. SPIE Proc., 7467, 746708-1, 2009.
    4. Optical Switching Materials for Space Environments. Sarkar, A.; Rahman, S.; and Rayfield, G. SPIE Newsroom, 2009.
    5. Self-assembled deoxyguanosine based molecular electronic device on GaN substrates. Liddar, H.; Li, J.; Neogi, A.; Neogi, P.B.; Sarkar, A.; Cho, S. and Morkoc, H. Appl. Phys. Lett., 92, 13309, 2008.
    6. PAMAMOS dendrimers: Opening new possibilities to engineering nanotechnology. Dvornic, P.R.; Hartmann-Thompson, C.; Kaganove, S.N.; Rousseau, J.; Sarkar, A. and Zhang, T. Polym. Prepr., 47(2), 1166, 2006.
    7. Self-assembled olegonucleotides conjugated to GaN semiconductor nanostructures for radiative decay engineering. Neogi, A.; Basu, P.; Sarkar, A.; Morkoc, H. in “Organic and Nanocomposite Optical Materials”, Cartwright, A.;  Cooper, T.M.; Karna, S.; Nakanishi, H. eds., vol. 846, DD8.2, MRS, Warrendale, PA, 2005.
    8. Colorimetric Biosensors based on PAMAM dendrimers. Abhijit Sarkar, Steven N. Kaganove, Peter R. Dvornic and Paul S. Satoh, Polymer News, 30, 370, 2005.
    9. Self-assembled modified deoxyguanosines conjugated to GaN quantum dots for biophotonic application. Neogi, A., Sarkar, A., Morkoc, H., Electronic Letters, 40, 1605, 2004.
    10. Colorimetric Nano-sensors based on amphiphilic PAMAM Dendrimers. Sarkar, A.; Satoh, P, Dvornic, P., Kaganove, S., Polym. Prepr., 44(1), 1055, 2003.
    11. Colorimetric Polydiacetylene Nano-sensors based on PAMAM Dendrimer Templates. Sarkar, A.; Satoh, P, Dvornic, P., Kaganove, S., Polym. Prepr., 44(2), 191, 2003.
    12. Nonlinear optical properties of dehydrobenzo[18]annulenes: expanded two-dimensional dipolar and octupolar NLO chromophores. Abhijit Sarkar, Joshua J. Pak, George W. Rayfield, Michael M. Haley, J. Mater. Chem., 11, 2943, 2001.
    13. First hyperpolarizability of dehydrobenzo[18]annulenes: A new 2D nonlinear optical chromophore. Abhijit Sarkar, George Rayfield, Michael M. Haley, PMSE Prepr., 84. 1083 2001.
    14. Synthesis of Polydiacetylenes from Novel Monomers Having Two Diacetylene Units Linked by an Arylene Group. Hiroshi Matsuzawa, Shuji Okada, Abhijit Sarkar, Hiro Matsuda and Hachiro Nakanishi, Polymer J., 33, 182-189, 2001
    15. Synthesis and characterization of dehydrothieno[18]annulenes. Abhijit Sarkar and Michael M. Haley, Chem. Commun., 1733-1734, 2000.
    16. Polydiacetylenes for third order nonlinear optical materials. Abhijit Sarkar, Shuji Okada, Hiroshi Matsuzawa, Hachiro Nakanishi and Hiro Matsuda, FEATURE ARTICLE in  J. Mat. Chem., 10, 819-828, 2000.
    17. Improved Third-Order Nonlinear Optical Properties of Polydiacetylene Derivatives. Shuji Okada, Hachiro Nakanishi, Hiroshi Matsuzawa, Hideyuki Katagi, Toshiyuki Oshikiri, Hitoshi Kasai, Abhijit Sarkar, Hidetoshi Oikawa, Raul Rangel-Rojo, Takashi Fukuda and Hiro Matsuda, SPIE Conference Proceedings, 3796, 76-87, 1999.
    18. Synthesis of Ladder Polymers containing Polydiacetylene Backbones connected with Methylene Chains and Their Optical Properties. Hiroshi Matsuzawa, Shuji Okada, Abhijit Sarkar, Hiro Matsuda and Hachiro Nakanishi, J. Polym. Sci., Polym. Chem. Ed., 37, 3537, 1999
    19. Chemical and electrochemical polymerization of thiophene containing diacetylenes. A. Sarkar, S. S. Talwar, S. Okada and  H. Nakanishi, Polym. Bull., 42, 69, 1999.
    20. Thermal Behavior of Diacetylenes with Formally Conjugated Heteroaryl Sidegroups. Abhijit Sarkar and Satya S. Talwar, Bull. Chem. Soc. Jpn., 72, 859, 1999.
    21. Solid State Polymerization of Diacetylenes with p-conjugating Substituents for Third-order Nonlinear Optical Properties. A. Sarkar, N. B. Kodali and S. S. Talwar, J. Macromol. Sci., Part A: Pure and Applied Chemistry, 36, 211, 1999.
    22. A convenient synthesis of Aromatic ring substituted diacetylenes. Abhijit Sarkar, Shuji Okada, Hiro Matsuda and Hachiro Nakanishi, Helv. Chim. Acta., 82, 100, 1999.
    23. Polydiacetylenes from Asymmetrically Substituted Diacetylenes Containing Heteroaryl Side Groups for Third-Order Nonlinear Optical Properties. A. Sarkar, S. Okada, H. Matsuda and H. Nakanishi, Macromolecules, 31, 9174, 1998.
    24. Heteroaryl Functionalized Diacetylenes : Preparation and Solid State Reactivity. Abhijit Sarkar and Satya S. Talwar, J. Chem. Soc. Perkin Trans. 1 , 4141, 1998.
    25. First example of a polymerisable diacetylene monomer with directly linked sidegroup and the third-order nonlinear susceptibility of the polymer. A. Sarkar, S. Okada, H. Matsuda and H. Nakanishi. Chemistry Lett., 1073, 1998.
    26. Polydiacetylenes having Quinolyl Sidegroups for third-order nonlinear optical materials. A. Sarkar, S. Okada, H. Matsuda and H. Nakanishi. J. Mat. Sci. Lett., 17, 1449. 1998.
    27. A novel series of quinoline containing asymmetrically substituted polydiacetylenes for third-order nonlinear optical materials. A. Sarkar, S. Okada, H. Matsuda and H. Nakanishi, Polym. Bull., 41, 425, 1998.
    28. 1,8-Bis(2-thienyl)-1,3,5,7-octatetrayne. A. Sarkar, K. Komatsu, S. Okada, H. Matsuda and H. Nakanishi. Acta Cryst., C54, 1519, 1998.
    29. Octatetrayne with directly linked aromatic sidegroups : Preparation and characterization. A. Sarkar, S. Okada, K. Komatsu, H. Matsuda and H. Nakanishi, Macromolecules , 31, 5624, 1998.
    30. Preparation of Asymmetrically substituted diacetylenes containing heteroaryl sidegroups and their solid state polymerization. A. Sarkar, S. Okada, H. Matsuda and H. Nakanishi. Mol. Cryst. Liq. Cryst. , 315, 65, 1998.
    31. Preparation and characterization of polydiacetylenes from heteroaryl functionalized butadiynes. A. Sarkar, S. Okada, H. Matsuda and H. Nakanishi. Polym. Prepr., Japan, 47(3), 402, 1998.
    32. Dispersion of second molecular hyperpolarisability of diacetylene derivatives: Correlation with electronic and chemical structures. A. V. V. Nampoothiri, P. N. Puntambeker, B. P. Singh, R. Sachdeva, A. Sarkar, D. Saha, A. N. Suresh and S. S. Talwar. J. Chem. Phys., 109, 685, 1998.
    33. Preparation of asymmetrically substituted diacetylenes containing heteroaryl sidegroups and their solid state polymerization. A. Sarkar, S. Okada, H. Matsuda and H. Nakanishi. Proceedings of the Spring Meeting of the Chemical Society of Japan, 1997.
    34. Crystal Structure of 1-(2-thienyl)penta-1,3-diyne-5-ol. T. Manisekaran, A. Sarkar, S.S. Talwar and J.S. Prasad. Mol. Cryst. Liq. Cryst. Sci. Technol. Sect. A , 308, 77-82, 1997.
    35. Synthesis and solid state polymerization of heteroaryl functionalized tetraynes. A. Sarkar, S. Okada, H. Matsuda and H. Nakanishi. Proceedings of the Spring Meeting of the Chemical Society of Japan, 1996.
    36. Preparation and polymerization of heteroaryl functionalized oligoynes. A. Sarkar, S. Okada, K. Komatsu, H. Matsuda and H. Nakanishi. Polymer Preprints, Japan, 45, 1369, 1996.
    37. Poly{1,2-di(2-selinyl)ethene}: a novel electroactive polymer with reduced band gap. S. C. Ng, H. S. O. Chan, H. H. Huang, T. T. Ong, A. Sarkar, K. Kumura, Y. Mazaki and K. Kobayashi. J. Mater. Sci. Letts.,15, 1684, 1996.
    38. Synthesis of electrically conducting poly{2,2'-[5,5'-(1,2-ethynediyl)]bisthiophene}. S. C. Ng, H. S. O. Chan, L. S. Leong and  A. Sarkar. J. Mater. Sci. Letts, 15, 664, 1996.
    39. Structure of 1,4-bis(3'-thianaphthyl)-buta-1,3-diyne. T. Manisekaran, A. Sarkar, S. S. Talwar and J.S. Prasad. Mol. Cryst. Liq. Cryst. Sci. Technol. Sect. A, 268, 101, 1995.
    40. Structure of 1,4-bis(1'-naphthyl)-buta-1,3-diyne. T. Manisekaran, A. Sarkar, L.P. Bhagwat, S.S. Talwar and J.S. Prasad. Mol. Cryst. Liq. Cryst. Sci. Technol. Sect. A, 268, 55, 1995.
    41. Synthesis and polymerization of functional bisthienyl acetylenes. A. Sarkar, S.C. Ng, H.S.O. Chan. Proceedings of the Third NUS Symposium on Materials Science and Engineering, 113, 1994.
    42. Synthesis and characterization of a novel polymer arising from 4-(2-thienyl)benzenamine. K.L. Chan, S.C. Ng, H.S.O. Chan, A. Sarkar. Proceedings of the Science Research Congress, Singapore, 100, 1994.
    43. Synthesis and electrochemical polymerization of thiophene containing monomer. N. Toledo, H.S.O. Chan, S.C. Ng, A. Sarkar. Proceedings of the Science Research Congress, Singapore, 107, 1994.
    44. Structure of 1-(3-quinolyl)-4-(2-thienyl)-buta-1,3-diyne. M.J. Barrow, G.H.W. Milburn, Z. Zeng, A. Sarkar and S.S. Talwar. Acta Cryst. C, C50, 650, 1994.
    45. Polymers for molecular electronics. K.N. Babu, A. Sarkar, L.P. Bhagwat, P. Shachdeva. Instruments and Electronics Developments, 47, 1991.
    46. A Convenient Method for the Synthesis of Thienylacetylenes. A. Sarkar, P. Sekher, M.B. Kamath, L.P. Bhagwat, K.N. Babu, K. Rajalakshmi and S.S. Talwar. Ind. J. Chem., 30B, 360, 1991.

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Lectures and Presentations

    1. Mechanistic Studies for Optical Switching Materials for Space Environments. Rayfield, G.; Sarkar, A.; Invited Speaker, SPIE Optics + Photonics Conference, San Diego, CA, August, 2010.
    2. Hyperbranched Polymers for Photonics Applications. Sarkar, A.; Invited Speaker, IMRAM, Tohoku University, Sendai, Japan, April, 2010.
    3. Hyperbranched Polymers for Optoelectronics and Photonics Applications. Sarkar, A.; Invited Speaker, IMRAM, Yamagata University, Yamagata, Japan, April, 2010.
    4. Design and Development of Membranes from Hyperbranched Polymers. Sarkar, A.; Invited Speaker, IMRAM, Japan Women’s University, Tokyo, Japan, April, 2010.
    5. Laser Protection Materials for Space Environments. Mirza, S., Rahman, S., Rayfield, G.; Taylor, E. and Sarkar, A., International Symposium on Science Education in the 21st Century: Advantages, Pitfalls, and Future Trends, Fort Collins, CO, USA, March, 2010.
    6. Optical Switching Materials for Space Environments, Rahman, S.; Mirza, S; Rayfield, G.; Taylor, E.; and Sarkar, A., Abstract #1740-20 P, The Pittsburgh Conference, Orlando, FL, February, 2010.
    7. Optical Switching Materials for Space Environments, Rahman, S.; Rayfield, G.; Taylor, E.; and Sarkar, A., 65th American Chemical Society Fall Scientific Meeting, Michigan, USA, October, 2009.
    8. Optical Switching Materials with High Damage Threshold for Space Environments. Sarkar, A.; Invited Speaker, SPIE Optics + Photonics Conference, San Diego, CA, August, 2009.
    9. Sacrificial Solid Filters Based on Optical Power Limiting, Sarkar, A.; Invited Speaker, Solid State Optical Power Limiter (SSOPL)Workshop, AFRL/WPAFB, Dayton, OH, May, 2009.
    10. Carbon Nanotubes-Polymer Nanocomposite for Photonics Applications. Sarkar, A., Rahman, S., Mirza, S., Dvornic, P. International Conference on Multifunctional Nanoscale Materials for the 21st Century, Argonne, IL, USA, March, 2009.
    11. Novel suspension of Carbon Nanotubes in Hyperbranched Polymers, Rahman, S.; Mirza, S.; Dvornic, P.; and Sarkar, A., International Conference on Multifunctional Nanoscale Materials for the 21st Century, Argonne, IL, USA, March, 2009.
    12. Multiwalled Carbon Nanotubes-Hyperbranched Polymer Nanocomposities for Photonic Applications, Mirza, S.; Rahman, S.; Dvornic, P.; and Sarkar, A., International Conference on Multifunctional Nanoscale Materials for the 21st Century, Argonne, IL, USA, March, 2009.
    13. Nanocomposites of Carbon Nanotubes and Hyperbranched Polymers for photonic Applications, Rahman, S.; Mirza, Dvornic, P. R.; and Sarkar, A., The Pittsburgh Conference, Chicago, IL, March, 2009.
    14. Solid State Filter for Instant Blackening Laser Protection, Sarkar, A.; Invited Speaker, Tri-Service Information Exchange Meeting, AFRL/RXPJ, Hilton Head Island, SC, April, 2008.
    15. Development of Polymer-Based High Oxygen and Low moisture Permeable Chemically resistant membrane, Rahman, S.; Kaganove, S.; Dvornic, P.; Meier, D.; and Sarkar, A., 64th American Chemical Society Fall Scientific Meeting, Midland, Michigan, USA, October, 2008. 
    16. Evaluation of Multiwalled carbon Nanotubes-Hyperbranched Polymer Nanocomposities for Photonic Applications, Mirza, S.; Rahman, S.; Dvornic, P.; and Sarkar, A, 64th American Chemical Society Fall Scientific Meeting, Midland, Michigan, USA, October, 2008.
    17.  Films and Coatings from Hyperbranched Polymers-Carbon Nanotubes for Photonic Applications, Mirza, S.; Rahman, S.; Dvornic, P.; and Sarkar, A, 32nd Annual Symposium of Macromolecular Science and Engineering, Ann Arbor, USA, October, 2008.
    18. Polarization effect of self-assembled guanosine crystal on the transport properties of metal-semiconductor-metal structure,  Jianyou Li; Neogi, A.; Sarkar, A.; Cho, S.J.; Mokoc, H.; Conference on Lasers and Electro-Optics, 2008.
    19. A solid state laser protection material based on linear and nonlinear optics. Sarkar, A., Rahman, S., Mirza, S. and Dvornic, P. and Rayfield, G. JSPS-UNT Winter school on Nanophotonics, Denton, TX, USA, February, 2008.
    20. Biological Applications of Nanoparticles – An Industrial Perspective. Sarkar, A.’ Satoh, P., G. JSPS-UNT Joint Symposium on Nanoscale Materials for Optoelectronics and Biotechnology, Denton, TX, USA, February, 2006.
    21. Self-assembled DNA molecules conjugated to GaN semiconductor nanostructures for radiative decay engineering, Neogi, A.; Neogi, P.B.; Sarkar, A.; Morkoz, H.; Conference on Lasers and Electro-Optics, 2004.
    22. Colorimetric Polydiacetylene Nano-sensors based on PAMAM Dendrimer Templates., Sarkar, A.; Satoh, P, Dvornic, P., Kaganove, S., Spring Meeting of American Chemical Society, New York, USA, September, 2003.
    23. Colorimetric Nano-sensors based on amphiphilic PAMAM Dendrimers. Sarkar, A.; Satoh, P, Dvornic, P., Kaganove, S., Spring Meeting of American Chemical Society, New Orleans, USA, March, 2003.
    24. First Hyperpolarizability of Dehydrobenzo[18]annulenes: A New 2D  Nonlinear Optical Chromophore. Abhijit Sarkar, George W. Rayfield  and Michael M. Haley, Spring Meeting of American Chemical Society, San Diego, USA,  April, 2001.
    25. Design and Synthesis of Dehydrobenzoannulenes Containing Thiophene Moieties. Abhijit Sarkar and Michael M. Haley. Spring Meeting of American Chemical Society, San Francisco, USA, March, 2000.
    26. Design and preparation of Polydiacetylenes: Towards better third order nonlinear optical materials. Abhijit Sarkar, Invited Institute Lecture, IIT Bombay, India, March, 1999.
    27. Preparation and Characterization of polydiacetylenes from Heteroaryl Functionalized Butadiynes. Abhijit Sarkar, Shuji Okada, Hiro Matsuda and Hachiro Nakanishi. Spring Meeting of the Polymer Society of Japan, Kyoto, Japan, 1998.
    28. Preparation of Asymmetrically substituted diacetylenes containing heteroaryl sidegroups and their solid state polymerization. A. Sarkar, S. Okada, H. Matsuda and H. Nakanishi. 8th International conference on Unconventional Photochemical System (UPS 8), Nara, Japan, 1997.
    29. Preparation of Asymmetrically Substituted Diacetylenes containing Heteroaryl Sidegroups and their Solid State Polymerization. Abhijit Sarkar, Shuji Okada, Hiro Matsuda and Hachiro Nakanishi. Spring Meeting of the Chemical Society of Japan, Kyoto, 1997.
    30. Preparation and Polymerization of heteroaryl functionalized oligoynes. A. Sarkar, S. Okada, H. Komatsu, H. Matsuda and H. Nakanishi, Spring Meeting of the Polymer Society of Japan, Hiroshima, 1996.
    31. Synthesis and Solid State Polymerization of Heteroaryl Functionalized Tetraynes. Abhijit Sarkar, Shuji Okada, Hiro Matsuda and Hachiro Nakanishi. Spring Meeting of the Chemical Society of  Japan, Tokyo, 1996.
    32. Synthesis and polymerization of functional bisthienylacetylenes. A. Sarkar, S.C. Ng and H.S.O. Chan. Third NUS symposium on Materials Science and Engineering, Singapore, Singapore, 1994.
    33. Polymerization of 1,4-bis(2-thienyl)-1,3-butadiyne and 1,4-bis(3-thienyl)-1,3-butadiyne. Abhijit Sarkar, Rakesh Sachdeva and Satya S. Talwar. Symposium on Polymer Science- Recent Advances Baroda, India, February, 1994.
    34. Diacetylenes with formally conjugated sidegroups: Precursors to liquid crystalline polymers? A. Sarkar, K.N. Babu, P.K. Khandelwal, L.P. Bhagwat and S.S. Talwar. Symposium on Frontiers of Polymer Research, New Delhi, India, January, 1991.
    35. Solid state and electrochemical polymerization of novel diacetylene monomers. Abhijit Sarkar, Anuradha Kulkarni, A. Q. Contractor and S. S. Talwar. Symposium on Polymer Science- Contemporary Themes, Pune, India, December, 1990.

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