Gel Ability and Fluorescence-Enhanced Emission of a New Bi-1,3,4-Oxadiazole Derivative

Chengxiao Zhao Key Laboratory for Automobile Materials, Ministry of Education, Institute of Materials Science and Engineering, Jilin University, Changchun, P. R. China

Haitao Wang Key Laboratory for Automobile Materials, Ministry of Education, Institute of Materials Science and Engineering, Jilin University, Changchun, P. R. China

Songnan Qu Key Laboratory of Excited State Processes, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, P. R. China

Peng Zhang Key Laboratory for Automobile Materials, Ministry of Education, Institute of Materials Science and Engineering, Jilin University, Changchun, P. R. China

Binglian Bai College of Physics, Jilin University, Changchun, P. R. China

Xia Ran Key Laboratory for Automobile Materials, Ministry of Education, Institute of Materials Science and Engineering, Jilin University, Changchun, P. R. China

Huimin Liu Key Laboratory for Automobile Materials, Ministry of Education, Institute of Materials Science and Engineering, Jilin University, Changchun, P. R. China

Yan Zhang Key Laboratory for Automobile Materials, Ministry of Education, Institute of Materials Science and Engineering, Jilin University, Changchun, P. R. China

Min Li Key Laboratory for Automobile Materials, Ministry of Education, Institute of Materials Science and Engineering, Jilin University, Changchun, P. R. ChinaCorrespondence[email protected]

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Abstract

A new bi-1,3,4-oxadiazole derivative (BOXDH-T12) was synthesized. BOXDH-T12 shows very strong gelation ability in DMF and n-octanol with critical gelation concentrations of 1.1 × 10⁻³ and 6.0 × 10⁻⁴ mol/L, respectively, due to the intermolecular hydrogen bonding. X-ray diffractions of BOXDH-T12 xerogels from DMF and n-octanol showed different microstructures. Fluorescence enhanced emissions were observed during DMF gel formation of BOXDH-T12, which was attributed to J-aggregation. The emission band 500 nm of BOXDH-T12 in DMF solutions at 353 K is characterized by a strong excimer emission.

[Supplemental materials are available for this article. Go to the publisher's online edition of Soft Materials to view the free supplemental file: Supplemental Figures.]

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Acknowledgments

The authors are grateful to the National Science Foundation Committee of China (Project No. 50873044, 51073071, and 21072076), and Project 985-Automotive Engineering of Jilin University for their financial support of this work.

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Gel Ability and Fluorescence-Enhanced Emission of a New Bi-1,3,4-Oxadiazole Derivative

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Gel Ability and Fluorescence-Enhanced Emission of a New Bi-1,3,4-Oxadiazole Derivative

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