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Updated: Aug 5, 2026
10:40
High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy
Published on: June 28, 2016
Mechanistic-Driven, Phosphorescence-Enhanced HOF-Based Bionic Dual-Channel Sensor for Precision Bimodal Monitoring of
1Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai, China.
Advanced Materials (Deerfield Beach, Fla.)
|July 29, 2026
Summary
Researchers developed a novel flexible luminescent sensor using cotton fiber films. This system precisely measures motion by directly linking mechanical input to optical output, enabling advanced physical sensing applications.
Area of Science:
- Materials Science
- Optoelectronics
- Nanotechnology
Background:
- Flexible luminescent devices are gaining interest for physical stimulus sensing.
- The direct mechanism linking macroscopic motion to luminescence response is not well understood.
Purpose of the Study:
- To develop a high-speed, high-sensitivity, and high-precision sensing system for displacement and angular rotation.
- To elucidate the mechanism of mechanical stimulus-induced luminescence changes.
Main Methods:
- Fabrication of a phosphorescence-enhanced hydrogen-bonded organic framework-based cotton fiber film (PBA@TPA-PEA@CF) via spraying.
- Integration with a mechanically actuated platform to create a dual-channel sensing system.
- Opto-mechanical coupling simulations to understand the luminescence mechanism.
Main Results:
- Demonstrated a sensing system inspired by insect antennae for precise motion measurement.
- Displacement and angle act as intrinsic transduction variables coupling mechanical input to optical output.
- Uncovered a mechanism where motion modulates photon flux and optical density, controlling luminescence intensity reversibly.
Conclusions:
- Established a mechanism framework for mechanical luminescence conversion.
- Showcased practical applications in real-time robotic arm monitoring and motion-triggered switches.
- Paved the way for next-generation precision-oriented flexible luminescent sensors.