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Bioinspired Dynamic Remodeling of Excited-State Pathways for High-Performance Stimuli-Responsive Materials.

Hanqi Gai¹, Hang Yin², Weiran Zhang¹

¹State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, P. R. China.

Advanced Materials (Deerfield Beach, Fla.)

|July 10, 2026

Summary

Researchers developed a water-assisted mechanism for stimuli-responsive materials, enabling adaptable reaction pathways. This bioinspired approach achieves stable, reversible switching for advanced technologies like information encryption and sustainable displays.

Keywords:

bio‐inspired molecular switches photochromic materials reaction pathway remodeling stimuli‐responsive functional materials

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Area of Science:

Materials Science
Supramolecular Chemistry
Bioinspired Engineering

Background:

Artificial stimuli-responsive systems are crucial but often limited by fixed reaction pathways.
Replicating biological processes like low-energy activation and multistable states remains a challenge.
Existing systems struggle with integrating high cycling reversibility and stability.

Purpose of the Study:

To introduce a novel water-assisted excited-state pathway remodeling (WEPR) mechanism.
To design photoswitchable molecules mimicking rhodopsin chromophores for dynamic pathway switching.
To explore water as a regulatory factor for intelligent material responses.

Main Methods:

Development of photoswitchable molecules inspired by rhodopsin chromophores.
Utilizing environmentally benign water to dynamically regulate reaction pathways.
Investigating the WEPR mechanism for switching between high- and low-barrier channels.

Main Results:

Materials demonstrated exceptional bistability (over 7 days) and cycling reversibility (over 100 cycles).
Achieved remarkable long-term stability exceeding 2 years.
Successfully employed water as a dynamic regulatory factor for intelligent pathway switching.

Conclusions:

The WEPR mechanism provides a bioinspired paradigm for developing novel intelligent materials.
The developed materials are suitable for applications like dynamic information encryption and sustainable displays.
This research offers new insights into the role of water in biological visual perception and color sensing.