Modulation of supramolecular structure by stepwise removal of tert-butyl groups from tetraazaperopyrene derivatives on Ag(111)
© 2024 Author(s). Published under an exclusive license by AIP Publishing..
Tert-butyl functional groups can modulate the self-assembly behavior of organic molecules on surfaces. However, the precise construction of supramolecular architectures through their controlled thermal removal remains a challenge. Herein, we precisely controlled the removal amount of tert-butyl groups in tetraazaperopyrene derivatives by stepwise annealing on Ag(111). The evolution of 4tBu-TAPP supramolecular self-assembly from the grid-like structure composed of 3tBu-TAPP through the honeycomb network formed by 2tBu-TAPP to the one-dimensional chain co-assembled by tBu-TAPP and TAPP was successfully realized. This series of supramolecular nanostructures were directly visualized by high resolution scanning tunneling microscopy. Tip manipulation and density functional theory calculations show that the formation of honeycomb network structure can be attributed to the van der Waals interactions, N-Ag-N coordination bonds, and weak C-H⋯N hydrogen bonds. Further addition of two tert-butyl groups (6tBu-TAPP) leads to a completely different assembly evolution, due to the fact that the additional tert-butyl groups affect the molecular adsorption behavior and ultimately induce desorption. This work can possibly be exploited in constructing stable and long-range ordered nanostructures in surface-assisted systems, which can also promote the development of nanostructures in functional molecular devices.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:160 |
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| Enthalten in: |
The Journal of chemical physics - 160(2024), 13 vom: 07. Apr. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Fu, Boyu [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Revised 03.04.2024 published: Print Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1063/5.0196443 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM370583795 |
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| 520 | |a © 2024 Author(s). Published under an exclusive license by AIP Publishing. | ||
| 520 | |a Tert-butyl functional groups can modulate the self-assembly behavior of organic molecules on surfaces. However, the precise construction of supramolecular architectures through their controlled thermal removal remains a challenge. Herein, we precisely controlled the removal amount of tert-butyl groups in tetraazaperopyrene derivatives by stepwise annealing on Ag(111). The evolution of 4tBu-TAPP supramolecular self-assembly from the grid-like structure composed of 3tBu-TAPP through the honeycomb network formed by 2tBu-TAPP to the one-dimensional chain co-assembled by tBu-TAPP and TAPP was successfully realized. This series of supramolecular nanostructures were directly visualized by high resolution scanning tunneling microscopy. Tip manipulation and density functional theory calculations show that the formation of honeycomb network structure can be attributed to the van der Waals interactions, N-Ag-N coordination bonds, and weak C-H⋯N hydrogen bonds. Further addition of two tert-butyl groups (6tBu-TAPP) leads to a completely different assembly evolution, due to the fact that the additional tert-butyl groups affect the molecular adsorption behavior and ultimately induce desorption. This work can possibly be exploited in constructing stable and long-range ordered nanostructures in surface-assisted systems, which can also promote the development of nanostructures in functional molecular devices | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Guan, Yurou |e verfasserin |4 aut | |
| 700 | 1 | |a Yuan, Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Geng, Jianqun |e verfasserin |4 aut | |
| 700 | 1 | |a Hao, Zhenliang |e verfasserin |4 aut | |
| 700 | 1 | |a Ruan, Zilin |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Shijie |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Yong |e verfasserin |4 aut | |
| 700 | 1 | |a Xiong, Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Gao, Lei |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Yulan |e verfasserin |4 aut | |
| 700 | 1 | |a Ji, Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Lu, Jianchen |e verfasserin |4 aut | |
| 700 | 1 | |a Cai, Jinming |e verfasserin |4 aut | |
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