A novel pillar[5]arene-based supramolecular organic framework gel to achieve an ultrasensitive response by introducing the competition of cationπ and ππ interactions
Ultrasensitive response properties are an intriguing concern for stimuli-responsive materials. Herein, we report a novel method to achieve an ultrasensitive response by introducing the competition of cationπ and ππ interactions into a pillar[5]arene-based supramolecular organic framework (SOF-AMP). SOF-AMP was constructed with a novel bis-naphthalimide functionalized pillar[5]arene, which was able to form a stable supramolecular gel (SOF-AMP-G) in cyclohexanol. Interestingly, SOF-AMP-G shows an ultrasensitive response to Fe3+ through the competition of cationπ and ππ interactions. Meanwhile, the Fe3+ coordinated SOF (MSOF-Fe) shows an ultrasensitive response to H2PO4-. SOF-AMP-G displayed yellow fluorescence whereas, after the addition of 0.5 equiv. of Fe3+ to SOF-AMP-G, the yellow fluorescence was quenched. The detection limit of SOF-AMP-G for Fe3+ is 7.54 × 10-9 M. More interestingly, the Fe3+ coordinated SOF gel (MSOF-Fe-G) could sense H2PO4- with a fluorescence "turn-on". The detection limit of MSOF-Fe-G for H2PO4- is 4.21 × 10-9 M. Simultaneously, the Fe3+ and H2PO4- responsive thin films based on these SOF gels were prepared. Moreover, these SOF gels could be used as ultrasensitive ion sensors, fluorescent display materials and sensitive logic gates.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2018 |
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| Erschienen: |
2018 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:14 |
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| Enthalten in: |
Soft matter - 14(2018), 18 vom: 09. Mai, Seite 3624-3631 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhang, You-Ming [VerfasserIn] |
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| Links: |
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| Themen: |
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| Anmerkungen: |
Date Completed 30.07.2018 Date Revised 30.07.2018 published: Print Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1039/c8sm00426a |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM283356545 |
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| 100 | 1 | |a Zhang, You-Ming |e verfasserin |4 aut | |
| 245 | 1 | 2 | |a A novel pillar[5]arene-based supramolecular organic framework gel to achieve an ultrasensitive response by introducing the competition of cationπ and ππ interactions |
| 264 | 1 | |c 2018 | |
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| 500 | |a Date Completed 30.07.2018 | ||
| 500 | |a Date Revised 30.07.2018 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Ultrasensitive response properties are an intriguing concern for stimuli-responsive materials. Herein, we report a novel method to achieve an ultrasensitive response by introducing the competition of cationπ and ππ interactions into a pillar[5]arene-based supramolecular organic framework (SOF-AMP). SOF-AMP was constructed with a novel bis-naphthalimide functionalized pillar[5]arene, which was able to form a stable supramolecular gel (SOF-AMP-G) in cyclohexanol. Interestingly, SOF-AMP-G shows an ultrasensitive response to Fe3+ through the competition of cationπ and ππ interactions. Meanwhile, the Fe3+ coordinated SOF (MSOF-Fe) shows an ultrasensitive response to H2PO4-. SOF-AMP-G displayed yellow fluorescence whereas, after the addition of 0.5 equiv. of Fe3+ to SOF-AMP-G, the yellow fluorescence was quenched. The detection limit of SOF-AMP-G for Fe3+ is 7.54 × 10-9 M. More interestingly, the Fe3+ coordinated SOF gel (MSOF-Fe-G) could sense H2PO4- with a fluorescence "turn-on". The detection limit of MSOF-Fe-G for H2PO4- is 4.21 × 10-9 M. Simultaneously, the Fe3+ and H2PO4- responsive thin films based on these SOF gels were prepared. Moreover, these SOF gels could be used as ultrasensitive ion sensors, fluorescent display materials and sensitive logic gates | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Li, Yong-Fu |e verfasserin |4 aut | |
| 700 | 1 | |a Zhong, Kai-Peng |e verfasserin |4 aut | |
| 700 | 1 | |a Qu, Wen-Juan |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Xiao-Peng |e verfasserin |4 aut | |
| 700 | 1 | |a Yao, Hong |e verfasserin |4 aut | |
| 700 | 1 | |a Wei, Tai-Bao |e verfasserin |4 aut | |
| 700 | 1 | |a Lin, Qi |e verfasserin |4 aut | |
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