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Molecular insertion...
Molecular insertion regulates the donor-acceptor interactions in cocrystals for the design of piezochromic luminescent materials
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- Zhai, Chunguang (författare)
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, China
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- Yin, Xiu (författare)
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, China
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- Niu, Shifeng (författare)
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, China
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- Yao, Mingguang (författare)
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, China
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- Hu, Shuhe (författare)
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, China
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- Dong, Jiajun (författare)
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, China
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- Shang, Yuchen (författare)
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, China
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- Wang, Zhigang (författare)
- Institute of Atomic and Molecular Physics, Jilin University, Changchun, China
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- Li, Quanjun (författare)
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, China
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- Sundqvist, Bertil (författare)
- Umeå universitet,Institutionen för fysik,State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, China
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- Liu, Bingbing (författare)
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, China
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(creator_code:org_t)
- 2021-07-02
- 2021
- Engelska.
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Ingår i: Nature Communications. - : Nature Publishing Group. - 2041-1723. ; 12:1
- Relaterad länk:
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https://doi.org/10.1...
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https://umu.diva-por... (primary) (Raw object)
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https://www.nature.c...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Developing a universal strategy to design piezochromic luminescent materials with desirable properties remains challenging. Here, we report that insertion of a non-emissive molecule into a donor (perylene) and acceptor (1,2,4,5-tetracyanobezene) binary cocrystal can realize fine manipulation of intermolecular interactions between perylene and 1,2,4,5-tetracyanobezene (TCNB) for desirable piezochromic luminescent properties. A continuous pressure-induced emission enhancement up to 3 GPa and a blue shift from 655 to 619 nm have been observed in perylene-TCNB cocrystals upon THF insertion, in contrast to the red-shifted and quenched emission observed when compressing perylene-TCNB cocrystals and other cocrystals reported earlier. By combining experiment with theory, it is further revealed that the inserted non-emissive THF forms blue-shifting hydrogen bonds with neighboring TCNB molecules and promote a conformation change of perylene molecules upon compression, causing the blue-shifted and enhanced emission. This strategy remains valid when inserting other molecules as non-emissive component into perylene-TCNB cocrystals for abnormal piezochromic luminescent behaviors.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Annan hälsovetenskap (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Other Health Sciences (hsv//eng)
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Zhai, Chunguang
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Yin, Xiu
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Niu, Shifeng
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Yao, Mingguang
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Hu, Shuhe
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Dong, Jiajun
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visa fler...
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Shang, Yuchen
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Wang, Zhigang
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Li, Quanjun
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Sundqvist, Berti ...
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Liu, Bingbing
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visa färre...
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