Soft Materials & Devices Lab

Exploring the
Wonders of
Soft Matter

We design ionic hydrogels, stretchable electronics, and wearable devices that bridge polymer science and real-world applications.

Our Research Publications
Yoon Research Group
Yoon Research Group · University of Seoul
2026 · ESM

Stretchable Microsupercapacitor

2025 · Small

3D-Printed EL Devices

2026 · JMCC

Hydrogel Optical Fibers

2023 · Adv. Funct. Mater.

1400% Stretchable EL

Address
Dept. of Chemical Engineering, University of Seoul, Korea
Contact
[email protected]
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Pure (UOS)
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Research Areas View all →
01 ////

Ionic Hydrogel Design & Mechanics

Designing double-network and zwitterionic hydrogel architectures with controlled ionic conductivity, mechanical toughness, and stretchability exceeding 1000%.

02 ////

Soft Material Fabrication

3D printing and microfluidic fabrication of structured soft materials — from fiber-shaped hydrogels to multilayer ionogel films with precisely tuned geometry.

03 ////

Stretchable Conductors & Electrodes

Conductive hydrogel and ionogel electrodes for skin-conformal electronics, combining high electrical performance with extreme mechanical deformability.

04 ////

Energy Harvesting & Storage

Deformable triboelectric nanogenerators and intrinsically stretchable microsupercapacitors for self-powered wearable systems.

05 ////

Stretchable Light-Emitting Devices

AC electroluminescent devices and quantum-dot color converters with multicolor patterning, printed onto ionic hydrogel substrates.

06 ////

Wearable & Biomedical Devices

Skin-adhesive biosignal sensors, hydrogel optical fibers for photobiomodulation, and soft scaffolds for electrostimulation and tissue interfacing.

Recent News All news →
2026.02

Paper Featured in Yonhap News

Stretchable microsupercapacitor work covered by national press.

2025.03

Prisca Wins PSK Poster Award

Poster Presentation Award at PSK Spring Meeting 2025.

2024.09

New Position at University of Seoul

Prof. Yoon joins the Dept. of Chemical Engineering, UOS.

2023.10

Toray Mid-Career Award

Prof. Yoon receives the Toray Award at PSK Fall 2023.