Research Topics
Thematic overview of our research directions and associated publications.
Grafted Nanoparticle Self-Assembly
How polymer coatings on nanoparticles determine what crystal structure they form
Computational Polymer Physics
Polymer brush interactions, block copolymer phase behavior, and macromolecular architecture
Aqueous Solution Physical Chemistry
How dissolved ions reshape water's structure, dynamics, and reactivity
Colloidal Nanoparticle Dynamics
Structure, transport, and optical properties of colloidal particles
Glass Transition & Microrheology
Probing the mechanical properties of glasses one particle at a time
Hydrogel Physics & Mechanics
Predicting how polymer network structure controls gel stiffness and thermal response
Misc.
Cross-cutting and collaborative work
Ongoing & Future Topics
Current and planned research directions
All Publications
2025
Exploring the Reaction Network of Acetic Acid in Supercritical Water via Machine Learning Interatomic Potential
Jae Hyun Ryu et al., Journal of Chemical Information and Modeling
Controlling 2D Nanoparticle Self-Assembly Mesophases via Symmetry Breaking Driven by Single Bottlebrush Polymer Conjugation
SeoYeun Kim et al., Langmuir
Variations of the Depletion Zones around Inclusions Explain the Complexity of Brush-Induced Depletion Interactions
Daeseong Yong et al., Journal of Chemical Theory and Computation
Depletion interaction between cylindrical inclusions in polymer brushes
Ji Woong Yu et al., Macromolecules
Elasticity of swollen and folded polyacrylamide hydrogel using the MARTINI coarse-grained model
Seunghyok Rho et al., ACS Applied Materials & Interfaces
Self-assembly of architected macromolecules: Bridging a gap between experiments and simulations
Ji Woong Yu et al., Chemical Physics Reviews
2024
Anomalous water penetration in Al3+ dissolution
Minwoo Kim et al., The Journal of Physical Chemistry Letters
Understanding the dielectric relaxation of liquid water using neural network potential and classical pairwise potential
Jae Hyun Ryu et al., Journal of Molecular Liquids
Modulating the thermoresponsive characteristics of PLGA-PEG-PLGA hydrogels via manipulation of PLGA monomer sequences
SeongHoon Jo et al., Biomacromolecules
Two-Regime Conformation of Grafted Polymer on Nanoparticle Determines Symmetry of Nanoparticle Self-Assembly
Ji Woong Yu et al., Advanced Science
Spatiotemporal characterization of water diffusion anomalies in saline solutions using machine learning force field
Ji Woong Yu et al., Science Advances
2022
A highly efficient and transparent luminescent solar concentrator based on a nanosized metal cluster luminophore anchored on polymers
Jun Choi et al., Journal of Materials Chemistry C
2021
Dynamical time scales of friction dynamics in active microrheology of a model glass
A. Madanchi et al., Soft Matter
Real-space imaging of nanoparticle transport and interaction dynamics by graphene liquid cell TEM
Sungsu Kang et al., Science Advances
2020
Active microrheology of a bulk metallic glass
Ji Woong Yu et al., Science Advances
Enhanced sampling of cylindrical microphase separation via a shell-averaged bond-orientational order parameter
Bumjoon Seo et al., Soft Matter
Controlled assembly of icosahedral colloidal clusters for structural coloration
Cheolho Kim et al., Chemistry of Materials
2019
Symmetry transitions of polymer-grafted nanoparticles: Grafting density effect
Hongseok Yun et al., Chemistry of Materials
2018
Highly conductive, stretchable and biocompatible Ag-Au core-sheath nanowire composite for wearable and implantable bioelectronics
Suji Choi et al., Nature Nanotechnology
Efficient Conduction in Thin Film Transistors Consisting of Colloidal Nanocrystals: Effect of Nanocrystal Geometry
Hansol Wee et al., Advanced Theory and Simulations
2017
Assemblies of colloidal CdSe tetrapod nanocrystals with lengthy arms for flexible thin-film transistors
Hyeonjun Heo et al., Nano Letters
High-resolution spin-on-patterning of perovskite thin films for a multiplexed image sensor array
Woongchan Lee et al., Advanced Materials