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Manipulation of the through-space interactions in diphenylmethane
Weihao Tu1,2, Zuping Xiong1,2, Ziteng Zhang1,2
1MOE Key Laboratory of Macromolecular Synthesis and Functionalization Department of Polymer Science and Engineering Zhejiang University Hangzhou China.
Researchers manipulated through-space interaction (TSI) in diphenylmethane by altering its molecular structure. This control successfully tuned the clusteroluminescence (CL) wavelength and efficiency in aggregated states.
Area of Science:
- Materials Science
- Photochemistry
- Supramolecular Chemistry
Background:
- Through-space interaction (TSI) is crucial for clusteroluminescence (CL).
- Controlling TSI at the molecular level in non-conjugated structures remains challenging.
- Understanding the structure-property relationship is key for CL manipulation.
Purpose of the Study:
- To investigate and manipulate through-space interaction (TSI) in diphenylmethane derivatives.
- To establish a link between molecular structure modification and clusteroluminescence (CL) properties.
- To demonstrate control over CL wavelength and efficiency through structural design.
Main Methods:
- Systematic modification of diphenylmethane's symmetric structure.
- Altering isolated subunits within the diphenylmethane framework.
- Characterization of resulting aggregate states and their photophysical properties.
Main Results:
- Successful manipulation of TSI by breaking molecular symmetry.
- Demonstrated tunability of CL emission wavelength.
- Achieved regulation of CL efficiency in the aggregate state.
Conclusions:
- Molecular structural modification is an effective strategy to control TSI.
- Diphenylmethane derivatives offer a platform for tunable clusteroluminescence.
- This work provides insights into designing CL materials with desired optical properties.
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