Nonconjugated Fumaric Acid-Based Polymers with Red-Emissive Clusteroluminescence
Weida Zhu1, Ting Li1, Xuhui Zhang1
1The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China.
ACS Macro Letters
|July 14, 2025
Summary
Researchers developed new clusteroluminogens (CLgens) using a simple polymerization method. These materials achieve efficient, long-wavelength red light emission by controlling polymer structure and hydrogen bonding, avoiding complex doping.
Area of Science:
- Materials Science
- Polymer Chemistry
- Photophysics
Background:
- Clusteroluminogens (CLgens) are limited by short-wavelength emission and low quantum yield (QY).
- Conventional doping strategies for CLgens introduce complexity and reduce efficiency.
Purpose of the Study:
- To develop a new strategy for designing efficient, long-wavelength emitting CLgens.
- To overcome limitations of traditional CLgen synthesis and performance.
- To explore applications in light-converting films and encryption.
Main Methods:
- One-pot free radical polymerization of maleic anhydride, fumaric acid, and vinyl acetate.
- Synthesis of linear terpolymers containing only oxygen heteroatoms.
- Modulation of polymer chain flexibility and intermolecular interactions.
Main Results:
- Achieved red light emission with bimodal characteristics and high QY.
- Demonstrated controllable emission wavelength tuning through polymer design.
- Eliminated need for complex molecular designs and heavy atom effects.
Conclusions:
- Chain structure modulation and hydrogen bonding in linear polymers offer a novel route to high-efficiency, long-wavelength CLgens.
- The developed terpolymers show promise for practical applications in light-converting films and encryption technologies.
Related Concept Videos
Variables Affecting Phosphorescence and Fluorescence
594
Fluorescence and phosphorescence are essential phenomena in fields like analytical chemistry, biological imaging, and materials science, where they detect molecular properties and visualize cellular structures. Understanding the variables that influence these luminescent behaviors is crucial for maximizing accuracy and efficiency in their applications. These variables can broadly be grouped into chemical structure, solvent properties, and external conditions, each playing a distinct role in...
594
Photoluminescence: Applications
491
Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
491
Photoluminescence: Fluorescence and Phosphorescence
2.3K
Photoluminescence is a process where a molecule absorbs light energy and re-emits it in the form of light. This phenomenon occurs when a substance absorbs photons, promoting its electrons to higher energy level excited states, followed by a relaxation process in which the electrons return to their original ground state energy levels and emit light. Photoluminescence is widely observed in various materials, including semiconductors, and organic and inorganic compounds.
A pair of electrons in a...
A pair of electrons in a...
2.3K


