Olefin-linked covalent organic frameworks with twisted tertiary amine knots for enhanced ultraviolet detection

Qianying Guo; Hongyan Ji; Lei Yang; Daizong Ji; Zhaolin Ai; Shi Luo; Jiatao Sun; Yunqi Liu; Dacheng Wei

doi:10.1016/j.cclet.2021.09.082

Olefin-linked covalent organic frameworks with twisted tertiary amine knots for enhanced ultraviolet detection

Qianying Guo, Hongyan Ji, Lei Yang, Daizong Ji, Zhaolin Ai, Shi Luo, Jiatao Sun^*, Yunqi Liu, Dacheng Wei^*

^*Corresponding author for this work

School of Integrated Circuits and Electronics

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

Though Olefin-linked covalent organic frameworks (oCOFs) possess excellent π-electron delocalization, the barely reversible olefin linkage brings challenges for oCOFs’ synthesis and functionalization. Here, we synthesize new oCOFs with tertiary amine knots which have twisted configuration and electron-donating nature. Investigation into the structural variation and photoelectric performance shows that the twisted configuration of oCOF-TFPA could favor to the intramolecular charge transfer process and reduce the possibility of aggregation-caused quenching. Photoelectrical measurements and electric band structure calculation both verify the superiority of this oCOFs’ structure in photoelectric sensing.

Original language	English
Pages (from-to)	2621-2624
Number of pages	4
Journal	Chinese Chemical Letters
Volume	33
Issue number	5
DOIs	https://doi.org/10.1016/j.cclet.2021.09.082
Publication status	Published - May 2022

Keywords

Covalent organic frameworks
Olefin linkages
Tertiary amine knots
Twisted intramolecular charge transfer effect
Ultraviolet detection

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10.1016/j.cclet.2021.09.082

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Guo, Q., Ji, H., Yang, L., Ji, D., Ai, Z., Luo, S., Sun, J., Liu, Y., & Wei, D. (2022). Olefin-linked covalent organic frameworks with twisted tertiary amine knots for enhanced ultraviolet detection. Chinese Chemical Letters, 33(5), 2621-2624. https://doi.org/10.1016/j.cclet.2021.09.082

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title = "Olefin-linked covalent organic frameworks with twisted tertiary amine knots for enhanced ultraviolet detection",

abstract = "Though Olefin-linked covalent organic frameworks (oCOFs) possess excellent π-electron delocalization, the barely reversible olefin linkage brings challenges for oCOFs{\textquoteright} synthesis and functionalization. Here, we synthesize new oCOFs with tertiary amine knots which have twisted configuration and electron-donating nature. Investigation into the structural variation and photoelectric performance shows that the twisted configuration of oCOF-TFPA could favor to the intramolecular charge transfer process and reduce the possibility of aggregation-caused quenching. Photoelectrical measurements and electric band structure calculation both verify the superiority of this oCOFs{\textquoteright} structure in photoelectric sensing.",

keywords = "Covalent organic frameworks, Olefin linkages, Tertiary amine knots, Twisted intramolecular charge transfer effect, Ultraviolet detection",

author = "Qianying Guo and Hongyan Ji and Lei Yang and Daizong Ji and Zhaolin Ai and Shi Luo and Jiatao Sun and Yunqi Liu and Dacheng Wei",

note = "Publisher Copyright: {\textcopyright} 2021",

year = "2022",

month = may,

doi = "10.1016/j.cclet.2021.09.082",

language = "English",

volume = "33",

pages = "2621--2624",

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T1 - Olefin-linked covalent organic frameworks with twisted tertiary amine knots for enhanced ultraviolet detection

AU - Guo, Qianying

AU - Ji, Hongyan

AU - Yang, Lei

AU - Ji, Daizong

AU - Ai, Zhaolin

AU - Luo, Shi

AU - Sun, Jiatao

AU - Liu, Yunqi

AU - Wei, Dacheng

PY - 2022/5

Y1 - 2022/5

N2 - Though Olefin-linked covalent organic frameworks (oCOFs) possess excellent π-electron delocalization, the barely reversible olefin linkage brings challenges for oCOFs’ synthesis and functionalization. Here, we synthesize new oCOFs with tertiary amine knots which have twisted configuration and electron-donating nature. Investigation into the structural variation and photoelectric performance shows that the twisted configuration of oCOF-TFPA could favor to the intramolecular charge transfer process and reduce the possibility of aggregation-caused quenching. Photoelectrical measurements and electric band structure calculation both verify the superiority of this oCOFs’ structure in photoelectric sensing.

AB - Though Olefin-linked covalent organic frameworks (oCOFs) possess excellent π-electron delocalization, the barely reversible olefin linkage brings challenges for oCOFs’ synthesis and functionalization. Here, we synthesize new oCOFs with tertiary amine knots which have twisted configuration and electron-donating nature. Investigation into the structural variation and photoelectric performance shows that the twisted configuration of oCOF-TFPA could favor to the intramolecular charge transfer process and reduce the possibility of aggregation-caused quenching. Photoelectrical measurements and electric band structure calculation both verify the superiority of this oCOFs’ structure in photoelectric sensing.

KW - Covalent organic frameworks

KW - Olefin linkages

KW - Tertiary amine knots

KW - Twisted intramolecular charge transfer effect

KW - Ultraviolet detection

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U2 - 10.1016/j.cclet.2021.09.082

DO - 10.1016/j.cclet.2021.09.082

M3 - Article

AN - SCOPUS:85122133906

SN - 1001-8417

VL - 33

SP - 2621

EP - 2624

JO - Chinese Chemical Letters

JF - Chinese Chemical Letters

IS - 5

ER -

Olefin-linked covalent organic frameworks with twisted tertiary amine knots for enhanced ultraviolet detection

Abstract

Keywords

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