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Seminar - Ramanan Krishnamoorti

Hybrid Nanoparticles: Structure, Dynamics and Properties
Thursday, April 20, 2017, 11:30 am
130 Koffolt Laboratories, CBEC
151 W. Woodruff Ave
Columbus, OH 43210

Ramanan Krishnamoorti

Interim Vice Chancellor/Vice President for Research and Technology Transfer

Chief Energy Officer

University of Houston

Hybrid Nanoparticles: Structure, Dynamics and Properties

 

Abstract

Polymer grafted nanoparticles are fascinating materials that bridge the gap between colloidal particles and star-polymers.  We have studied the structure and dynamics of highly grafted hybrid nanoparticles in the bulk and in dilute solutions and have elucidated the structure of the polymer chains and the arrangement of the nanoparticles as functions of polymer molecular weight and solvent quality.  Extending these to polymer blends wherein the matrix (unattached) chains is attracted to the grafted polymer chains has allowed us to determine the relationship between segment compatibility and polymer dewetting.  The consequences of the unique structure and dynamics of these grafted polymer chains on interfacial properties and as mobility control agents for enhanced oil recovery will be discussed in this talk.

Bio

Ramanan Krishnamoorti is the Interim vice chancellor/vice president for research and technology transfer and chief energy officer at the University of Houston.  He has served as chair of the UH Cullen College of Engineering’s chemical and biomolecular engineering department, associate dean of research for engineering, professor of chemical and biomolecular engineering with affiliated appointments as professor of petroleum engineering and professor of chemistry. Dr. Krishnamoorti obtained his bachelor’s degree in chemical engineering from the Indian Institute of Technology Madras and doctoral degree in chemical engineering from Princeton University in 1994.