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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



Topics:     Structure formation and dynamic behavior of polymers and colloids; Aging; Wetting and dewetting; Dispersion behavior of nanoparticles in polymer matrices; Optoelectronic properties of conjugated polymers.

Techniques:     Spin coating, Langmuir monolayers and microfluidics; X-ray scattering; Optical, electron and atomic force microscopy; Rheometer (bulk and interface); Optical spectroscopy (absorption and photoluminescence).



  •     “Nanoparticle-polymer interfacial layer properties tune fragility and dynamic heterogeneity of athermal polymer nanocomposite films”. N. Begam, N. Das, S. Chandran, M. Ibrahim, M. Sprung, V. Padmanabhan, and J. K. Basu, Soft Matter, 14, 8853 (2018).
  •      “Formation of periodically modulated polymer crystals”. P. Poudel, S. Majumder, S. Chandran, and G. Reiter, Macromolecules, 51(15), 6119 (2018).
  •      “Tuning relaxation dynamics and mechanical properties of polymer films of identical thickness”. M. Kchaou, P. Alcouffe, S. Chandran, P. Cassagnau, G. Reiter and S. Al-Akhrass, Phys. Rev. E, 97, 032507 (2018).
  •      “Controlling polymer crystallization kinetics by sample history”. P. Poudel, S. Chandran, S. Majumder, and G. Reiter, Macromol. Chem. Phys., 219, 1700315 (2018).
  •      “Time allowed for equilibration quantifies the preparation induced non-equilibrium behavior of polymer films”. S. Chandran, R. Handa, M. Kchaou, S, Al-Akhrass, A. N. Semenov, and G. Reiter, ACS Macro Letters, 6(11), 1296 (2017).
  •      “Coherent X-ray scattering reveals nature of dynamical transitions in nanoparticle – polymer suspensions”. S. Chandran, N. Begam, M. Sprung, and J. K. Basu, Polymer, 105, 500-509, (2016)
  •      “Transient cooperative processes in dewetting polymer melts”. S. Chandran and G. Reiter, Phys. Rev. Lett., 116, 088301, (2016)
  •      “Suspensions of polymer-grafted nanoparticles with added polymers - Structure and effective interactions”. S. Chandran, S. Saw, A. K. Kandar, C. Dasgupta, M. Sprung, and J. K. Basu, J. Chem. Phys., 143, 084902, (2015)
  •      “Anomalous Viscosity Reduction and Hydrodynamic Interactions of Polymeric Nanocolloids in Polymers”. N. Begam, S. Chandran, M. Sprung and J. K. Basu, Macromolecules, 48, 6646, (2015)
  •      “Tuning the morphologies of Langmuir polymer films through controlled relaxation of non-equilibrium states”. S. Chandran, S. Dold, A. Buvignier, K-S. Krannig, H. Schlaad, G. Reiter, and R. Reiter, Langmuir, 31(23), 6426-6435, (2015)
  •      “Kinetics of dispersion of nanoparticles in thin polymer films at high temperature”. N. Begam, S. Chandran, N. Biswas, and J. K. Basu, Soft Matter, 11, 1165-1173, (2015)
  •      “Dispersion of polymer grafted nanoparticles in polymer nanocomposites thin films: Insights from surface x-ray scattering and microscopy”. S. Chandran, N. Begam, and J. K. Basu, J. App. Phy., 116 (22), 222203-(1-14), (2014)
  •      “Confinement enhances dispersion in nanoparticle-polymer blend films”. S. Chandran, N. Begam, V. Padmanabhan, and J. K. Basu, Nat. Commun., 5, 3697-(1-9), (2014)
  •      “Variation in glass transition temperature of polymer nanocomposite films driven by morphological transitions”. S. Chandran, J. K. Basu, and M. K. Mukhopadhyay, J. Chem. Phys., 138, 014902-(1-7), (2013)
  •       “Effect of nanoparticle dispersion on glass transition in thin films of polymer nanocomposites”. S. Chandran, and J. K. Basu, European Physical Journal E,  34, 99-(1-5), (2011)
  •      “Re-entrant behavior in dynamics of binary mixtures of soft hybrid nanocolloids and homopolymers”. S. Chandran, C. K. Sarika, A. K. Kandar, J. K. Basu, S. Narayanan, and A. Sandy, J. Chem. Phys., 135, 134901-(1-5), (2011)
  •      “Communication: Unusual dynamics of hybrid nanoparticles and their binary mixtures”. S. Srivastava, S. Chandran, A. K. Kandar, C. K. Sarika, J. K. Basu, S. Narayanan, and A. Sandy,  J. Chem. Phys., 133, 151105-(1-4), (2010)


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