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X-ORIGINAL-URL:https://www.lps.u-psud.fr/
X-WR-CALNAME:Laboratoire de physique des Solides
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DTSTART;TZID=Europe/Paris:20230922T110000
DTEND;TZID=Europe/Paris:20230922T120000
DTSTAMP:20230908T121700
UID:MEC-d19544ae709580379cd2523b0e72c86d@lps.u-psud.fr
CREATED:20230908
LAST-MODIFIED:20230914
PRIORITY:5
TRANSP:OPAQUE
SUMMARY:Ravi Kumar Pujala – Self-Assembly of Colloids in Isotropic and Anisotropic Media
DESCRIPTION:\nDepartment of Physics, IISER, Tirupati, India\n\n\n\nDispersions of colloidal particles in nematic liquid crystals show new classes of interparticle forces, which are anisotropic, long-range, and several thousand times stronger than van der Waals forces in water-based colloids [1-5]. These forces are responsible for a variety of new self-assembled colloidal microstructures, which cannot be observed in isotropic solvents, such as chains of microspheres and cellular soft solid materials. In this talk, I will present our recent results on the interactions, self-assembly, shape asymmetry, electrophoretic propulsion, bound and metastable states of anisotropic nano and microparticles in nematic liquid crystals [6-10]. \n\n\n\nReferences:\n\n\n\n\nC Tom, VMSG Tanuku, E Paineau, RK Pujala, ACS Applied Nano Materials 4 (8), 8586 (2021).\n\n\n\nRK Pujala, HB Bohidar, Journal of Colloid and Interface Science 554, 731-742 (2019).\n\n\n\nLR Kumbam, et al. Nanoscale 14, 4946-4956 (2022).\n\n\n\nSN Sangitra, RK Pujala, Soft Matter 19, 5869-5879 (2023).\n\n\n\nP More, SN Sangitra, HB B, RK Pujala, The Journal of Chemical Physics 157, 214902 (2022).\n\n\n\nM Rasi, S Archana, RK Pujala, S Dhara, Soft matter 18, 6043-6050 (2022)\n\n\n\nM Rasi M., RK Pujala, S Paladugu, S Dhara Phys. Rev. E 104 (1), 014706 (2021).\n\n\n\nDV Sudhakaran, RK Pujala, S Dhara, Advanced Optical Materials 8 (7), 1901585 (2020).\n\n\n\nM Rasi, RK Pujala, S Dhara, Scientific Reports 9 (1), 1-11 (2019).\n\n\n\nF Hagemans et al,. Chemistry of Materials 31 (2), 521–531 (2019).\n\n
URL:https://www.lps.u-psud.fr/events/ravi-pujala/
CATEGORIES:Séminaire Matière Molle Phys-Bio
LOCATION:Orsay
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