Rajeev Kumar Senior Research Scientist Contact KUMARR@ORNL.GOV All Publications New Insights on Electro-Optical Response of Poly(3,4- ethylenedioxythiophene):Poly(styrenesulfonate) Film to Humidity... Mixed electrochemical–ferroelectric states in nanoscale ferroelectrics Vertical Phase Segregation Induced by Dipolar Interactions in Planar Polymer Brushes Unraveling the Fundamental Mechanisms of Solvent Additive-Induced Optimization of Power Conversion Efficiencies in Organic Photovoltaic Devices Controlling Interfacial Dynamics: Covalent Bonding versus Physical Adsorption in Polymer Nanocomposites Petascale Simulations of the Morphology and the Molecular Interface of Bulk Heterojunctions... Monomer volume fraction profiles in pH responsive planar polyelectrolyte brushes... Controlling Molecular Ordering in Solution-State Conjugated Polymers... Insights obtained from modeling of organic photovoltaics: morphology, interfaces and coupling with charge transport... Peculiarity of Two Thermodynamically-Stable Morphologies and Their Impact on the Efficiency of Small Molecule Bulk Heterojunc... Untangleing the effects of chain rigidity on the structure and dynamics of strongly adsorbed polymer melts Controlled Nanopatterning of a Polymerized Ionic Liquid in a Strong Electric Field... Nanoscale Lubrication of Ionic Surfaces Controlled via a Strong Electric Field Nanoscale Lubrication of Ionic Surfaces Controlled via Strong Electric Field... Ion transport and softening in a polymerized ionic liquid Understanding how processing additives tune nanoscale morphology of high efficiency organic photovoltaic blends: From casting solution to spun-cast thin film Enhanced phase segregation induced by dipolar interactions in polymer blends Effect of Macromolecular Architecture on the Morphology of Polystyrene–Polyisoprene Block Copolymers Effects of backbone rigidity on the local structure and dynamics in polymer melts and glasses... Morphologies of ABC Triblock Terpolymer Melts Containing Poly(Cyclohexadiene): Effects of Conformational Asymmetry Synthesis, Characterization (Molecular-Morphological) and Theoretical Morphology Predictions of Poly(cyclohexadiene) Containing Linear Triblock Terpolymers Morphology diagrams for A2B copolymer melts: real-space self-consistent field theory Morphologies of poly(cyclohexadiene) diblock copolymers Charge regulation and local dielectric function in planar polyelectrolyte brushes... Morphologies of block copolymers composed of charged and neutral blocks... Pagination First page « First Previous page ‹‹ … Page 2 Current page 3 Page 4 Next page ›› Last page Last » Key Links Curriculum Vitae ORCID Google scholar Organizations Physical Sciences Directorate User Facilities Center for Nanophase Materials Sciences Theory and Computation Section Nanomaterials Theory Institute Group
Research Highlight Mass Loss Revealed as the Origin of Densification in Polyzwitterion Thin Films Under Electric Fields via Neutron and X-ray Reflectometries
Research Highlight Modeling and Machine Learning Pipeline for Interpreting Specular Neutron Reflectivity of Thin Block Copolymers
