Hydrogels for active photonics

B Ko, N Jeon, J Kim, H Kang, J Seong, S Yun… - Microsystems & …, 2024 - nature.com
Conventional photonic devices exhibit static optical properties that are design-dependent,
including the material's refractive index and geometrical parameters. However, they still …

Electrochemically mutable soft metasurfaces

S Doshi, A Ji, AI Mahdi, ST Keene, SP Selvin… - Nature Materials, 2024 - nature.com
Active optical metasurfaces, capable of dynamically manipulating light in ultrathin form
factors, enable novel interfaces between humans and technology. In such interfaces, soft …

Moisture‐Driven Switching of Plasmonic Bound States in the Continuum in the Visible Region

M Zheng, Y Shen, Q Zou, Y Huang… - Advanced Functional …, 2023 - Wiley Online Library
Fast and full switching of plasmonic resonances would provide a building block for
integrated electro‐optically active plasmonics. To date, limited by the material properties …

Reusable structural colored nanostructure for powerless temperature and humidity sensing

P Cencillo‐Abad, P Mastranzo‐Ortega… - Advanced Optical …, 2023 - Wiley Online Library
Nanostructured materials have enabled new ways of controlling the light–matter interaction,
opening new routes for exciting applications, in display technologies and colorimetric …

Dynamically Tunable Optical Cavities with Embedded Nematic Liquid Crystalline Networks

I Zubritskaya, R Cichelero, I Faniayeu… - Advanced …, 2023 - Wiley Online Library
Tunable metal–insulator–metal (MIM) Fabry–Pérot (FP) cavities that can dynamically control
light enable novel sensing, imaging and display applications. However, the realization of …

Humidity-controlled tunable emission in a dye-incorporated metal–hydrogel–metal cavity

D Ghindani, I Issah, S Chervinskii, M Lahikainen… - ACS …, 2022 - ACS Publications
Actively controllable photoluminescence is potent for a wide variety of applications from
biosensing and imaging to optoelectronic components. Traditionally, methods to achieve …

Humidity‐responsive RGB‐pixels via swelling of 3D nanoimprinted polyvinyl alcohol

B Ko, J Kim, Y Yang, T Badloe, J Park, JH Ko… - Advanced …, 2023 - Wiley Online Library
Humidity‐responsive structural coloration is actively investigated to realize real‐time
humidity sensors for applications in smart farming, food storage, and healthcare …

pH-Responsive, Wide Color Gamut Dynamic Color Display Enabled by PDMAEMA Brush-Based Fabry–Perot Resonant Cavity

D Chen, S Ye, X Zhang, L Zhang, F Fan… - … Applied Materials & …, 2024 - ACS Publications
Dynamic color-changing materials have attracted broad interest due to their widespread
applications in visual sensing, dynamic color display, anticounterfeiting, and image …

Stable and thermochromic organohydrogels for thermostatically controlled display windows

Q Jiang, M Chen, Z Qin, Y Li, J Li, H Zhang - Chemical Engineering Journal, 2024 - Elsevier
Thermochromic windows can reduce temperature changes, thereby reducing electricity
consumption. Traditional hydrogel-based thermochromic windows suffer from volatilization …

[HTML][HTML] Dynamic mechanical analysis of alginate/gellan hydrogels under controlled conditions relevant to environmentally sensitive applications

JP Segovia-Gutiérrez, JAR Agudo, N Binder… - Carbohydrate …, 2025 - Elsevier
Hydrogels are natural/synthetic polymer-based materials with a large percentage of water
content, usually above 80%, and are suitable for many application fields such as wearable …