Article Merging π-molecular functions achieved through homogeneous liquid-liquid blending of solvent-free alkyl-π liquids

Zhenfeng Guo ORCID ; Chengjun Pan SAMURAI ORCID ; Akira Shinohara ORCID ; Takashi Nakanishi SAMURAI ORCID

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Zhenfeng Guo, Chengjun Pan, Akira Shinohara, Takashi Nakanishi. Merging π-molecular functions achieved through homogeneous liquid-liquid blending of solvent-free alkyl-π liquids. Science and Technology of Advanced Materials. 2025, 26 (1), . https://doi.org/10.1080/14686996.2025.2515007

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(abstract)

Extensive research has been conducted to date on controlling the optoelectronic properties of alkyl-π liquids. When modulating function by adding solid dopants, the dopant molecules have poor solubility, leading to insoluble aggregates and inconsistencies in properties such as luminescent color. Chemical modification of the π-skeleton requires synthesizing molecules that display the desired properties, which poses challenges in achieving predictable performance and ensuring economic feasibility across various molecular designs. In this study, we propose a liquid-liquid blending strategy that enables the precise and homogeneous merge of π-functions of alkyl π-liquids. Rheological analysis was used to evaluate miscibility between alkyl π-liquids. Furthermore, the accurate and uniform control of the photoluminescent color––a representative π-function––was successfully demonstrated through the blending of three alkyl π-liquids that emit the three primary colors. This liquid-liquid blending strategy offers an innovative approach for adjusting not only luminescent color but also for merging various π-functions in solvent-free liquid materials.

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Keyword: alkyl-π liquids, miscibility, homogeneous blends, rheology, luminescent color tuning

Date published: 2025-12-31

Publisher: Informa UK Limited

Journal:

  • Science and Technology of Advanced Materials (ISSN: 14686996) vol. 26 issue. 1

Funding:

  • Japan Society for the Promotion of Science KAKENHI JP24H01733, JP25H01264
  • National Natural Science Foundation of China 52173175
  • World Premier International Research Center Initiative (WPI), MEXT, Japan
  • NIMS Junior Researcher fellowship for the Hokkaido University-NIMS Joint Graduate School Program

Manuscript type: Publisher's version (Version of record)

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First published URL: https://doi.org/10.1080/14686996.2025.2515007

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Updated at: 2025-07-04 16:30:24 +0900

Published on MDR: 2025-07-04 16:25:46 +0900

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