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SUMMARY:IMX Talks - General route to the design of 3D printable Pickering 
 emulsions
DTSTART:20260706T130000
DTEND:20260706T140000
DTSTAMP:20260610T211253Z
UID:ec4cb53acb34d136707f8c468454ce153b9758cf5eb43bf4516cca39
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Madivala G. Basavaraj\, Centre of Excellence in Soft a
 nd Biological Matter (CSBM) IIT Madras\, India  \nPickering emulsions (PE
 s) have emerged as attractive platforms for the fabrication of porous and 
 other novel functional materials. In this talk\, I will first discuss stra
 tegies that can be exploited to drive particles to the interface. Thereaft
 er\, rules for the designing Pickering emulsions and their printability wi
 ll be discussed. In particular\, we will focus on hetero-aggregation-drive
 n particle adsorption to fluid interfaces\, which is crucial for to ensure
  stability of Pickering emulsions. By controlling particle interactions th
 rough parameters such as pH and particle concentration\, the microstructur
 e and rheological properties of PEs can be tailored to achieve excellent p
 rintability and shape retention during direct ink writing. Thereafter\, pr
 intable PEs are used to fabricate three-dimensional architectures that are
  subsequently dried and sintered to obtain hierarchically porous ceramics.
  The resulting porous structures are characterized in terms of their micro
 structure\, pore size\, and porosity. As a demonstration\, the porous cera
 mics are employed as supports for gold nanoparticles and evaluated in the 
 catalytic reduction of 4-nitrophenol. The proposed approach provides a sim
 ple\, scalable\, and versatile framework for designing 3D-printable Picker
 ing emulsions and developing functional porous materials for diverse appli
 cations.\nKEYWORDS: 3D Printing\, Pickering Emulsions\, Porous Materials\,
  Catalyst Support  \nReferences:\n\n	Nithin Madhavan\, Manas Mukherjee\, 
 Madivala G. Basavaraj. Porous Ceramics Prepared from 3D Printed Pickering 
 Emulsions as Gold Nanoparticle Supports for Reduction Reactions. ACS Appli
 ed Nano Materials\, 6\, 22\, 21201–21215 (2023).\n	Nithin Madhavan\, Man
 as Mukherjee\, Madivala G. Basavaraj. Porous ceramics via processable Pick
 ering emulsion stabilised by oppositely charged colloids. Langmuir\, 36 (3
 9)\, 11645−11654 (2020).\n	Venkateshwar Rao Dugyala\, Jyothi Sri Muthuku
 ru \, Ethayaraja Mani and Madivala G. Basavaraj. Role of electrostatic int
 eractions in the adsorption kinetics of nanoparticles at fluid–fluid int
 erfaces\, Phys. Chem. Chem. Phys.\, 18\, 5499-5508 (2016)\n\nBio: Madival
 a G. Basavaraj is a professor in the Department of Chemical Engineering at
  the Indian Institute of Technology Madras. He received his Ph.D. from KU 
 Leuven\, Belgium. Following postdoctoral research at the University of Del
 aware\, he joined IIT Madras in 2011. His research interests are in the ar
 ea of experimental soft matter. His group focuses on the study of particle
 -laden interfaces\, colloidal self-assembly\, Pickering emulsions\, spread
 ing and wetting\, interfacial catalysis\, the development of porous materi
 als\, and the application of colloids and interface principles in food and
  agricultural technology.
LOCATION:MXF 312 https://plan.epfl.ch/?room==MXF%20312
STATUS:CONFIRMED
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