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

3 papers

Computational Polymer Physics

Polymer brush interactions, block copolymer phase behavior, and macromolecular architecture

3 papers

Aqueous Solution Physical Chemistry

How dissolved ions reshape water's structure, dynamics, and reactivity

4 papers

Colloidal Nanoparticle Dynamics

Structure, transport, and optical properties of colloidal particles

4 papers

Glass Transition & Microrheology

Probing the mechanical properties of glasses one particle at a time

2 papers

Hydrogel Physics & Mechanics

Predicting how polymer network structure controls gel stiffness and thermal response

2 papers

Misc.

Cross-cutting and collaborative work

4 papers

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

Aqueous Solution Physical Chemistry

Controlling 2D Nanoparticle Self-Assembly Mesophases via Symmetry Breaking Driven by Single Bottlebrush Polymer Conjugation

SeoYeun Kim et al., Langmuir

Grafted Nanoparticle Self-Assembly

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

Computational Polymer Physics

Depletion interaction between cylindrical inclusions in polymer brushes

Ji Woong Yu et al., Macromolecules

Computational Polymer Physics

Elasticity of swollen and folded polyacrylamide hydrogel using the MARTINI coarse-grained model

Seunghyok Rho et al., ACS Applied Materials & Interfaces

Hydrogel Physics & Mechanics

Self-assembly of architected macromolecules: Bridging a gap between experiments and simulations

Ji Woong Yu et al., Chemical Physics Reviews

Misc.

2024

Anomalous water penetration in Al3+ dissolution

Minwoo Kim et al., The Journal of Physical Chemistry Letters

Aqueous Solution Physical Chemistry

Understanding the dielectric relaxation of liquid water using neural network potential and classical pairwise potential

Jae Hyun Ryu et al., Journal of Molecular Liquids

Aqueous Solution Physical Chemistry

Modulating the thermoresponsive characteristics of PLGA-PEG-PLGA hydrogels via manipulation of PLGA monomer sequences

SeongHoon Jo et al., Biomacromolecules

Hydrogel Physics & Mechanics

Two-Regime Conformation of Grafted Polymer on Nanoparticle Determines Symmetry of Nanoparticle Self-Assembly

Ji Woong Yu et al., Advanced Science

Grafted Nanoparticle Self-Assembly

Spatiotemporal characterization of water diffusion anomalies in saline solutions using machine learning force field

Ji Woong Yu et al., Science Advances

Aqueous Solution Physical Chemistry

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

Misc.

2021

Dynamical time scales of friction dynamics in active microrheology of a model glass

A. Madanchi et al., Soft Matter

Glass Transition & Microrheology

Real-space imaging of nanoparticle transport and interaction dynamics by graphene liquid cell TEM

Sungsu Kang et al., Science Advances

Colloidal Nanoparticle Dynamics

2020

Active microrheology of a bulk metallic glass

Ji Woong Yu et al., Science Advances

Glass Transition & Microrheology

Enhanced sampling of cylindrical microphase separation via a shell-averaged bond-orientational order parameter

Bumjoon Seo et al., Soft Matter

Computational Polymer Physics

Controlled assembly of icosahedral colloidal clusters for structural coloration

Cheolho Kim et al., Chemistry of Materials

Colloidal Nanoparticle Dynamics

2019

Symmetry transitions of polymer-grafted nanoparticles: Grafting density effect

Hongseok Yun et al., Chemistry of Materials

Grafted Nanoparticle Self-Assembly

2018

Highly conductive, stretchable and biocompatible Ag-Au core-sheath nanowire composite for wearable and implantable bioelectronics

Suji Choi et al., Nature Nanotechnology

Misc.

Efficient Conduction in Thin Film Transistors Consisting of Colloidal Nanocrystals: Effect of Nanocrystal Geometry

Hansol Wee et al., Advanced Theory and Simulations

Colloidal Nanoparticle Dynamics

2017

Assemblies of colloidal CdSe tetrapod nanocrystals with lengthy arms for flexible thin-film transistors

Hyeonjun Heo et al., Nano Letters

Colloidal Nanoparticle Dynamics

High-resolution spin-on-patterning of perovskite thin films for a multiplexed image sensor array

Woongchan Lee et al., Advanced Materials

Misc.