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Dr. Sivasurender Chandran


Institute of Physics
Albert-Ludwig-University of Freiburg
Hermann-Herder-Str. 3, 79104 Freiburg, Germany
Tel.: +49 761 203 5856 Fax: +49 761 203 5855
email: sivasurender.chandran@physik.uni-freiburg.de



 1986 born in Vellore, Tamil Nadu (India)
 2006 – 2008 M. Sc. in Materials Science, Anna University, India
Advisor: Prof. D. Arivuoli
 2008 – 2013 Ph.D. in Experimental Soft Matter Physics, Indian Institute of science, India
Advisor: Prof. Jaydeep K. Basu
 2013 – 2014 Research Associate, Indian Institute of science, Bangalore, India
Mentor: Prof. Jaydeep K. Basu
 2014 – 2016 Post-Doctoral Researcher, Experimental Polymer Physics, University of Freiburg Mentor: Prof. Günter Reiter
 Since 2017 DFG PI grant, Experimental Polymer Physics Group, University of Freiburg



Structure formation and dynamic behavior of polymers, including glass transition and crystallization; Aging; Relaxation and viscoelastic behavior of polymers in restrictive spaces; Wetting and dewetting; Self-assembly; Living liquid crystals; Optoelectronic properties of conjugated polymers.

Spin coating, Langmuir monolayers and microfluidics; Small angle X-ray scattering, Grazing incidence X-ray scattering, X-ray photon correlation spectroscopy; Optical, electron and atomic force microscopy; Rheometer (bulk and interface); Optical spectroscopy (absorption and photoluminescence).



•    Sivasurender Chandran and G. Reiter, "Segmental rearrangements relax stresses in non-equilibrated polymer films", ACS Macro Letters, 8, 646, (2019).
•    N. Das, N. Begam, M. Ibrahim, Sivasurender Chandran, V. Padmanabhan, M. Sprung, and J. K. Basu, "Viscosity and Fragility of Confined Polymer Nanocomposites: A Tale of Two Interfaces", Nanoscale, 11, 8546 (2019).
•    N. Begam, N. Das, Sivasurender Chandran, M. Ibrahim, M. Sprung, V. Padmanabhan, and J. K. Basu, "Nanoparticle-polymer interfacial layer properties tune fragility and dynamic heterogeneity of athermal polymer nanocomposite films", Soft Matter, 14, 8853 (2018).
•    P. Poudel, S. Majumder, Sivasurender Chandran, and G. Reiter, "Formation of periodically modulated polymer crystals", Macromolecules, 51 (15), 6119 (2018)
•    M. Kchaou, P. Alcouffe, Sivasurender Chandran, P. Cassagnau, G. Reiter and S. Al Akhrass, "Tuning relaxation dynamics and mechanical properties of polymer films of identical thickness", Phys. Rev. E, 97, 032507 (2018).
•    P. Poudel, Sivasurender Chandran, S. Majumder, and G. Reiter, "Controlling polymer crystallization kinetics by sample history", Macromol. Chem. Phys., 1700315, (2018).
•    Sivasurender Chandran, R. Handa, M. Kchaou, S. Al Akhrass, A. N. Semenov and G. Reiter, "Time allowed for equilibration quantifies the preparation induced non-equilibrium behavior of polymer films", ACS Macro. Lett., 6(11), 1296, (2017).
•    Sivasurender Chandran and G. Reiter, "Transient cooperative process in dewetting polymer melts", Phys. Rev. Lett., 116, 088301 (2016).
•    Sivasurender Chandran, N. Begam, M. Sprung and J. K. Basu, "Coherent X-ray scattering reveals nature of dynamic transitions behind the microrheological behaviour of nanoparticle-polymer suspensions", Polymer, 105, 500 (2016).
•    Sivasurender Chandran, S. Dold, A. Buvignier, K-S. Krannig, H. Schlaad, G. Reiter and R. Reiter, "Tuning morphologies of Langmuir polymer films through controlled relaxations of non-equilibrium states", Langmuir 31(23), 6426 (2015).
•    Sivasurender Chandran, S. Saw, A. K. Kandar, C. Dasgupta, M. Sprung and J. K. Basu, "Suspensions of polymer grafted nanoparticles with added polymers Structure and effective pair-interactions", J. Chem. Phys., 143(8), 084902 (2015).
•    N. Begam, Sivasurender Chandran, M. Sprung and J. K. Basu, "Anomalous viscosity reduction and hydrodynamic interactions of polymeric nanocolloids in polymers", Macromolecules, 48(18), 6646 (2015).
•    N. Begam, Sivasurender Chandran, N. Biswas and J. K. Basu, "Kinetics of dispersion of nanoparticles in thin polymer films at high temperature", Soft Matter, 11(6), 1165 (2015).
•    Sivasurender Chandran, N. Begam, N. Biswas and J. K. Basu, "Dispersion of polymer grafted nanoparticles in polymer nanocomposites thin films: Insights from surface X-ray scattering and microscopy", J. Appl. Phy., 116(22), 222203 (2014).
•    Sivasurender Chandran, N. Begam, V. Padmanabhan and J. K. Basu, "Confinement enhances dispersion in nanoparticle-polymer blend films", Nat. Commun., 5, 3697 (2014).
•    Sivasurender Chandran, J. K. Basu and M. K. Mukhopadhyay, "Variation in glass transition temperature of polymer nanocomposite films driven by morphological transitions", J. Chem. Phys., 138, 014902 (2013).
•    Sivasurender Chandran, C. K. Sarika, A. K. Kandar, J. K. Basu, S. Narayanan and A. Sandy, "Re-entrant behavior in dynamics of binary mixtures of soft hybrid nanocolloids and homopolymers", J. Chem. Phys., 135, 134901 (2011); Accepted for publication in Virtual journal of nanoscience and technology
•    Sivasurender Chandran and J. K.Basu, "Effect of nanoparticle dispersion on glass transition in thin films of polymer nanocomposites", Eur. Phys. J. E, 34, 99 (2011).
•    S. Srivastava, Sivasurender Chandran, A. K. Kandar, C. K. Sarika, J. K. Basu, S. Narayanan and A. Sandy, "Unusual dynamics of hybrid nanoparticles and their binary mixtures", J. Chem. Phys., 133, 151105 (2010); Accepted for publication in Virtual journal of nanoscience and technology.

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