40. Z.Xiao, M. Gupta, G. Baltas, T. Liu, H. G. Chae, S. Kumar, “Probe Diffusion of Single-Walled Carbon Nanotubes in Semidilute Solutions of Polyacrylonitrile Homo- and Copolymers: Effect of Topological Constraints and Polymer/Nanorod Interactions”, Polymer, 53, 5069-5077 (2012). DOI: 10.1016/j.polymer.2012.09.006.

39. Y. Liu, S. Kumar, “Recent Progress in Fabrication, Structure, and Properties of Carbon Fibers”, Polymer Reviews, 52, 234-258 (2012). DOI: 10.1080/15583724.2012.705410.

38. Y. Liu, H. G. Chae, and S. Kumar, “Gel spun carbon nanotube/Polyacrylonitrile composite fibers: Part III – Effect of stabilization conditions on the resulting carbon fiber”, Carbon, 49, 4487-4496 (2011). Doi:10.1016/j.carbon.2011.06.045

37. Y. Liu, H. G. Chae, and S. Kumar, “Gel spun carbon nanotube/Polyacrylonitrile composite fibers: Part II – Stabilization reaction kinetics and effect of gas environment ”, Carbon, 49, 4477- 4486 (2011). Doi:10.1016/j.carbon.2011.06.042

36. Y. Liu, H. G. Chae, and S. Kumar, “Gel spun carbon nanotube/Polyacrylonitrile composite fibers: Part I – Effect of carbon nanotube on stabilization”, Carbon, 49, 4466-4476 (2011). Doi:10.1016/j.carbon.2011.06.043

35. R. Jain, M. L. Minus, S. Kumar, “Processing, Structure, and Properties of Polyacrylonitrile (PAN)/Multi-Wall Carbon Nanotube (MWNT) Composite Fibers", Macromolecular Materials and Engineering, 295, 742-749 (2010).

34. Huina Guo, Marilyn L. Minus, Sudhakar Jagannathan, and Satish Kumar, “Polyacrylonitrile/Carbon Nanotubes Composite Films”, ACS Applied Materials & Interfaces, 2, 1331-1342 (2010).

33. W. Wang, N. S. Murthy, H. G. Chae, and S. Kumar “Small-angle x-ray scattering investigation of carbon nanotube reinforced polyacrylonitrile fibers during deformation”, Journal of Polymer Science Part B: Polymer Physics, 47, 2394 - 2409 (2009).

32. H. G. Chae, Y. H. Choi, M. L. Minus, and S. Kumar, “Carbon Nanotube Reinforced Small Diameter Polyacrylonitrile Based Carbon Fiber”, Composites Science and Technology, 69, 406-413 (2009).

31. H. G. Chae, D. J. Delong, S. Kumar, “Next Generation Carbon Fiber”, Nanotechnology Law and Business, 5 (3), 275 – 286 (2008).

30. W. Wang, N.S. Murthy, H. G. Chae, and S. Kumar, “Structural changes during deformation in carbon nanotube reinforced polyacrylonitrile fibers”, Polymer, 49, 2133-2145 (2008)

29. H. Guo, A. Rasheed, and S. Kumar, “Polyacrylonitrile/Vapor Grown Carbon Nano Fiber Composite Films”, J. Mater. Sci.,43, 4363 - 4369 (2008).

28. S. Zhang and S. Kumar, “Carbon Nanotubes as Liquid Crystals”, Small, 4 (9), 1270-1283 (2008).

27. H. G. Chae and S. Kumar, “Making Strong Fibers”, Science, 319, 908-909 (2008).

26. H. G. Chae, M. L. Minus, A. Rasheed, and S. Kumar, “Stabilization and Carbonization of Gel Spun Polyacrylonitrile/Single Wall Carbon Nanotube Composite Fibers”, Polymer, 48, 3781-3789 (2007).

25. S. Bellayer, J. W. Gilman, S. S. Rahatekar, S. Bourbigot, X. Flambard, L. M. Hanssen, H. Guo, and S. Kumar, “Characterization of SWCNT and PAN/SWCNT films”, Carbon 45, 1114-1116 (2007).

24. T. V. Sreekumar, L Chandra, A. Srivastava, and S. Kumar, “Oxidative Stabilization of Poly(acrylonitrile) in the Presence of Functionalized Carbon Nanotubes”, Carbon,45, 1114-1116 (2007).

23. H. G. Chae, M. L. Minus, and S. Kumar, “Oriented and Exfoliated Single Wall Carbon Nanotubes in Polyacrylonitrile”, Polymer, 47, 3494 – 3504 (2006).

22. T. Uchida, D. P. Anderson, M. Minus, S. Kumar, “Morphology and Modulus of Carbon Nano Fibers”, J. Mater. Sci., 41, 5851 - 5856 (2006).

21. T. Wang, S. Kumar, “Electrospinning of polyacrylonitrile nano fibers”. J. Appl. Polym. Sci., 102, p. 1023 - 1029 (2006).

20. H. G. Chae, J. Liu, and S. Kumar, “Carbon Nanotube Enabled Materials”, in Carbon Nanotubes, Publisher - Taylor & Francis, p. 211-265 (2006).

19. H. G. Chae, T. Uchida, S. Kumar, “Carbon nano fiber and carbon nanotube/polymer composite fibers and films,” in Nanoengineering of Structural, Functional and Smart Materials, edited by M. J. Schulz, A. D. Kelkar, M. J. Sundaresan, CRC Taylor & Francis Group, Boca Raton FL, 285-314 (2006).

18. G. W. Lee and S. Kumar, “Dispersion of nitric acid treated SWNTs in organic solvents and solvent mixtures”, J. Physical Chemistry, B, 109 (36), 17128-17133 (2005).

17. H. G. Chae, T.V. Sreekumar, T. Uchida, and S. Kumar, “A comparison of reinforcement efficiency of various types of carbon nanotubes in polyacrylonitrile fiber”, Polymer, 46, 10925-10935 (2005).

16. T. Uchida, S. Kumar, “Single Wall Carbon Nanotube Dispersion and Exfoliation in Polymers”, J. Appl. Polym. Sci., 98 (3), 985-989 (2005).

15. H. Guo, T. V. Sreekumar, T. Liu, M. Minus, and S. Kumar, “Structure and properties of polyacrylonitrile/ single wall carbon nanotube composite films”, Polymer, 46 (9), 3001-3005 (2005).

14. J. Liu, T. Wang, T. Uchida, and S. Kumar, “SWNT core – polymer shell nano fiber”. J. Appl. Polym. Sci., 96 (5), 1992-1995 (2005).

13. M. L. Minus and S. Kumar, “The Processing, Properties, and Structure of Carbon Fibers”, JOM, a Publication of the Minerals, Metals and Materials Society, 57 (2), 52-58, (2005).

12. B. G. Min, T. V. Sreekumar, T. Uchida, S. Kumar, “Oxidative Stabilization of PAN/SWNT Composite Fiber”, Carbon, 43 (3), 599 - 604 (2005).

11. S. H. Kim, B. G. Min, S. C. Lee, S. B. Park, T. D. Lee, M. Park, and S. Kumar, Morphology and Properties of Polyacrylonitrile/Single Wall Carbon Nanotube Composite Films, Fibers and Polymers, 5 (3), 198-203 (2004).

10. T. V. Sreekumar, T. Liu, B. G. Min, H. Guo, S. Kumar, R. H. Hauge, and R. E. Smalley, “SWNT/PAN Composite Fibers,” Advanced Materials, 16, 58-61 (2004).

9. T. Liu and S. Kumar, “Quantitative Characterization of SWNT Orientation by Polarized Raman Spectroscopy,” Chemical Physics Letters, 378 (3-4), 257-262 (2003).

8. T. Liu and S. Kumar, “Effect of Orientation on the Modulus of SWNT Films and Fibers,” Nano Letters, 3, 647 - 650 (2003).

7. S. Kumar and Y. Wang, “Fibers, Fabrics, and Fillers”, in Composites Engineering Handbook, editor P. K. Mallick, Marcel Dekker, 51 - 100 (1997).

6. S. Kumar and V. B. Gupta, “Manufactured fibers for high performance, industrial and non-conventional applications” in Manufactured Fiber Technology, editors V. B. Gupta and V. K. Kothari, Chapman & Hall, London, 514 - 559 (1997).

5. V. V. Kozey, H. Jiang, V. R. Mehta, and S. Kumar, “Compression behavior of materials: Part II - High performance fibers”, Journal of Materials Research, 10, 1044-1061 (1995).

4. V. R. Mehta and S. Kumar, “Temperature dependent torsional properties of high performance fibers and their relevance to compressive strength”, J. Materials Science., 29, 3658-3664 (1994).

3. S. Fidan, A. Palazotto, C. T. Tsai, and S. Kumar, “Compressive properties of high performance polymeric fibers”, Composites Sci. Tech., 49, 291-297 (1993).

2. M. Furuyama, M. Higuchi, K. Kubomura, H. Sunago, H. Jiang, and S. Kumar, “Compressive properties of single filament carbon fibers”, J. Materials Science, 28,1611-1616 (1993).

1. S. Kumar, D. P. Anderson, and A. S. Crasto, “Carbon fiber compressive strength and its dependence on structure and morphology”. J. Materials Science, 28, 423 - 439 (1993).