A Covalent Organic Framework Film for Three-State Near-Infrared Electrochromism and a Molecular Logic Gate
© 2021 Wiley-VCH GmbH..
A Kagome structure covalent organic framework (COF) film with three-state NIR electrochromic properties was designed and synthesized. The COFTPDA-PDA film is composed of hexagonal nanosheets with high crystallinity and has three reversible color states at different applied potentials. It has high absorption spectra changes in the NIR region, ascribed to the strong intervalence charge transfer (IVCT) interaction of the Class III mixed-valence systems of the conjugated triphenylamine species. The film showed sub-second response time (1.3 s for coloring and 0.7 s for bleaching at 1050 nm) and long retention time in the NIR region. COFTPDA-PDA film shows superior NIR electrochromic properties in term of response time and stability, attributed to the highly ordered porous structure and the π-π stacking structure of the COFTPDA-PDA architecture. The COFTPDA-PDA film was applied in mimicking a flip-flop logic gate with optical memory function.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:60 |
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| Enthalten in: |
Angewandte Chemie (International ed. in English) - 60(2021), 22 vom: 25. Mai, Seite 12498-12503 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Hao, Qing [VerfasserIn] |
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| Links: |
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| Themen: |
Covalent organic frameworks |
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| Anmerkungen: |
Date Revised 17.05.2021 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1002/anie.202100870 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM323122744 |
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| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a © 2021 Wiley-VCH GmbH. | ||
| 520 | |a A Kagome structure covalent organic framework (COF) film with three-state NIR electrochromic properties was designed and synthesized. The COFTPDA-PDA film is composed of hexagonal nanosheets with high crystallinity and has three reversible color states at different applied potentials. It has high absorption spectra changes in the NIR region, ascribed to the strong intervalence charge transfer (IVCT) interaction of the Class III mixed-valence systems of the conjugated triphenylamine species. The film showed sub-second response time (1.3 s for coloring and 0.7 s for bleaching at 1050 nm) and long retention time in the NIR region. COFTPDA-PDA film shows superior NIR electrochromic properties in term of response time and stability, attributed to the highly ordered porous structure and the π-π stacking structure of the COFTPDA-PDA architecture. The COFTPDA-PDA film was applied in mimicking a flip-flop logic gate with optical memory function | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a covalent organic frameworks | |
| 650 | 4 | |a logic gates | |
| 650 | 4 | |a near-infrared electrochromism | |
| 650 | 4 | |a optical memory | |
| 700 | 1 | |a Li, Zhi-Juan |e verfasserin |4 aut | |
| 700 | 1 | |a Bai, Bin |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Xing |e verfasserin |4 aut | |
| 700 | 1 | |a Zhong, Yu-Wu |e verfasserin |4 aut | |
| 700 | 1 | |a Wan, Li-Jun |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Dong |e verfasserin |4 aut | |
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