Dr. Sandeep Kumar
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Dr. Sandeep Kumar

Professor
Raman Research Institute, India

Highest Degree
Ph.D. in Chemistry from Banaras Hindu University, India

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Area of Interest:

Chemistry
100%
Organic Chemistry
62%
Material Chemistry
90%
Green Chemistry
75%
Physical Chemistry
55%

Research Publications in Numbers

Books
1
Chapters
5
Articles
280
Abstracts
3

Selected Publications

  1. Pandey, A.S. R. Dhar, S. Kumar and R. Dabrawski, 2011. Enhancement of the display parameters of 4'-pentyl-4-cyanobiphenyl due to the dispersion of functionalised gold nano particles. Liq. Cryst., 38: 115-120.
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  2. Chandania, A.D.L., A. Fukuda, S. Kumar and J.K. Vij, 2011. Discovery of a novel ferrielectric phase of five-layer periodicity in binary mixtures of chiral smectic liquid crystals exhibiting unusual reversed phase sequence. Liq. Cryst., 38: 663-668.
    Direct Link  |  
  3. Bisoyi, H.K. and S. Kumar, 2011. Liquid crystal nanoscience: An emerging avenue of soft self-assembly. Chem. Soc. Rev., 40: 306-319.
    CrossRef  |  
  4. Manickam, M., P. Iqbal, N. Spencer, P.R. Ashton, S. Kumar, K.J. Donovan and J.A. Preecea, 2010. Design and synthesis of novel mesogenic calamitic and discotic materials based on photorefractive carbazole unit. Mol. Cryst. Liq. Cryst., 518: 84-100.
    CrossRef  |  
  5. Kundu, B., S.K. Pal, S. Kumar, R. Pratibha and N.V. Madhusudana, 2010. Splay and bend elastic constants in the nematic phase of some disulfide bridged dimeric compounds. Phys. Rev. E Stat. Nonlin Soft Matter Phys., 82: 061703-061703.
    PubMed  |  
  6. Kumar, S. and S.K. Gupta, 2010. The first examples of discotic liquid crystalline gemini surfactants. Tetrahedron Lett., 51: 5459-5462.
    CrossRef  |  
  7. Kumar, B., K. Suresh, S.K. Gupta and S. Kumar, 2010. Stress-strain relation in the collapse of Langmuir monolayer of a dimer of disc shaped moiety. J. Chem. Phys., 133: 044701-044701.
    PubMed  |  
  8. Bisoyi, H.K. and S. Kumar, 2010. Discotic nematic liquid crystals: Science and technology. Chem. Soc. Rev., 39: 264-285.
    CrossRef  |  
  9. Vijayaraghavan D. and S. Kumar, 2009. Self-assembled superlattices of gold nanoparticles in a discotic liquid crystal. Mol. Cryst. Liq. Cryst., 508: 101-114.
    CrossRef  |  
  10. Rahmana, L., S. Kumarb, C. Tschierskec, G. Israelc, D. Sterc and G. Hegded, 2009. Synthesis and photoswitching properties of bent-shaped liquid crystals containing azobenzene monomers. Liq. Cryst., 36: 397-407.
    CrossRef  |  
  11. Rahman, M.L., J. Asik, S. Kumar, S. Silong and M.Z.A. Rahman, 2009. Synthesis and mesomorphic properties of non-symmetric liquid crystalline dimers containing azobenzene groups. Phase. Trans., 82: 228-239.
    Direct Link  |  
  12. Rahman, M.L., H. Gurumurthy, S. Kumar, T. Carsten and G.C. Vladimir, 2009. Synthesis and characterization of bent-shaped azobenzene monomers : Guest-host effects in liquid crystals with azo dyes for optical image storage devices. Opt. Mater. Opt. Mater., 32: 176-183.
    Direct Link  |  
  13. Kumar, S., 2009. Playing with discs. Liquid Crystals, 36: 607-638.
    Direct Link  |  
  14. Kumar, S., 2009. Hierarchical discs. Liq. Cryst. Today, 18: 2-27.
    CrossRef  |  
  15. Gupta, S.K., V.A. Raghunathan, V. Lakshminarayanan and S. Kumar, 2009. Novel benzene-bridged triphenylene-based discotic dyads. J. Phys. Chem. B, 113: 12887-12895.
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  16. Gupta, S.K., V.A. Raghunathan and S. Kumar, 2009. Microwave-assisted facile synthesis of discotic liquid crystalline symmetrical donor-acceptor-donor triads. New J. Chem., 33: 112-118.
    CrossRef  |  
  17. Bisoyi, H.K., V.A. Raghunathan and S. Kumar, 2009. A nanophase segregated mesophase morphology in self-organized novel disc-rod oligomesogens. Chem. Commun., 2009: 7003-7005.
    CrossRef  |  
  18. Bisoyi, H.K., H.T. Srinivasa and S. Kumar, 2009. Novel banana-discotic hybrid architectures. Beilstein J. Org. Chem., 5: 52-52.
    CrossRef  |  
  19. Sandhya, K.L., J.K. Song, Y.P. Panarin, J.K. Vij and S. Kumar, 2008. Experimental study of high-temperature smectic-CFI2 phase in chiral smectic liquid crystals that exhibit phase-sequence reversal. Phys. Rev. E, 77: 051707-051707.
    CrossRef  |  
  20. Rahman, M.L., J. Asik, S. Kumar and C. Tschierske, 2008. Liquid crystalline banana-shaped monomers derived from 2,7-naphthalene: Synthesis and properties. Liq. Cryst., 35: 1263-1270.
    CrossRef  |  
  21. Pal, S.K. and S. Kumar, 2008. Novel triphenylene-based ionic discotic liquid crystalline polymers. Liq. Cryst., 35: 381-384.
    CrossRef  |  
  22. Kumar, S., H.K. Bisoyi and S.K. Pal, 2008. Green chemistry approach to the synthesis of liquid crystalline materials. Mol. Cryst. Liq. Cryst., 480: 287-294.
    CrossRef  |  
  23. Kumar, S., 2008. Rufigallol-based self-assembled supramolecular architectures. Phase. Trans., 81: 113-128.
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  24. Kumar, P.S., S. Kumar and V. Lakshminarayanan, 2008. Electrical conductivity studies on discotic liquid crystal-ferrocenium donor-acceptor system. J. Phys. Chem. B, 112: 4865-4869.
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  25. Kotha, S., D. Kashinath and S. Kumar, 2008. Synthesis of liquid crystalline material based on 1,3,5-triphenylbenzene and 2,4,6-triphenyl-1,3,5-s-triazine. Tetrahedron Lett., 49: 5419-5423.
    CrossRef  |  Direct Link  |  
  26. Gupta, R.K., K.A. Suresh, and S. Kumar, 2008. Monolayer of amphiphilic functionalized gold nanoparticles at an air-water interface. Phys. Rev. E Stat. Nonlin Soft. Matter. Phys., 78: 032601-032601.
    PubMed  |  
  27. Gupta, R.K., K.A. Suresh, S. Kumar, L.M. Lopatina, R.L.B. Selinger and J.V. Selinger, 2008. Spatiotemporal patterns in a Langmuir monolayer due to driven molecular precession. Phys. Rev. E, 78: 041703-041703.
    PubMed  |  
  28. Dhar, R., M. Gupta, V.K. Agrawal and S. Kumar, 2008. Characteristic dielectric parameters of columnar discotic hexa-n-alkoxyanthraquinones. Phase. Trans., 81: 459-569.
    CrossRef  |  
  29. Dhar, R., A.S. Pandey, M.B. Pandey, S. Kumar and R. Dabrowski, 2008. Optimization of the display parameters of a room temperature twisted nematic display material (6CHBT) by doping single-wall carbon nanotubes. Appl. Phys. Exp. 1: 121501-121501.
    Direct Link  |  
  30. Dhar, R. S. Kumar, M. Gupta and V.K. Agrawal, 2008. Thermodynamic, optical and dielectric studies of the homologous members of columnar discotic compound Rufigallol hexa-n-alkoxylates. J. Molecular Liq., 141: 19-24.
    CrossRef  |  
  31. Bisoyi, H.K., and S. Kumar, 2008. Microwave-assisted facile synthesis of liquid crystalline nonsymmetrical hexaalkoxytriphenylenes containing a branched chain and their characterization. J. Phy. Org. Chem., 21: 47-52.
    CrossRef  |  
  32. Bisoyi, H.K. and S. Kumar, 2008. Room-temperature electron-deficient discotic liquid crystals: Facile synthesis and mesophase characterization. New J. Chem., 32: 1974-1980.
    CrossRef  |  
  33. Bisoyi, H.K. and S. Kumar, 2008. First examples of monodisperse discotic liquid crystal pentamers: Synthesis and mesomorphism. Tet. Lett., 49: 3628-3631.
    CrossRef  |