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Li J, Wang X, He Y, Xu Z, Li X, Pan H, Wang Y, Dong Y, Shen Q, Zhang Y, Hou S, Wu K, Wang Y. Tuning Surface Organic Structures by Small Gas Molecules through Catassembly and Coassembly. J Phys Chem Lett 2024; 15:5564-5579. [PMID: 38753966 DOI: 10.1021/acs.jpclett.4c00942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
The field of molecular assembly has seen remarkable advancements across various domains, such as materials science, nanotechnology, and biomedicine. Small gas molecules serve as pivotal modulators, capable of altering the architecture of assemblies via tuning a spectrum of intermolecular forces including hydrogen bonding, dipole-dipole interactions, and metal coordination. Surface techniques, notably scanning tunneling microscopy and atomic force microscopy, have proven instrumental in dissecting the structural metamorphosis and characteristic features of these assemblies at an unparalleled single-molecule resolution. Recent research has spotlighted two innovative approaches for modulating surface molecular assemblies with the aid of small gas molecules: "catassembly" and "coassembly". This Perspective delves into these methodologies through the lens of varying molecular interaction types. The strategies discussed here for regulating molecular assembly structures using small gas molecules can aid in understanding various complex assembly processes and structures and provide guidance for the further fabrication of complex surface structures.
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Affiliation(s)
- Jie Li
- Center for Carbon-based Electronics and Key Laboratory for the Physics and Chemistry of Nanodevices, School of Electronics, Peking University, Beijing 100871, China
| | - Xueyan Wang
- Center for Carbon-based Electronics and Key Laboratory for the Physics and Chemistry of Nanodevices, School of Electronics, Peking University, Beijing 100871, China
| | - Yang He
- School of Material and New Energy, South China Normal University, Shanwei 516600, China
| | - Zhen Xu
- Spin-X Institute, School of Microelectronics, South China University of Technology, Guangzhou 511442, China
| | - Xin Li
- Center for Carbon-based Electronics and Key Laboratory for the Physics and Chemistry of Nanodevices, School of Electronics, Peking University, Beijing 100871, China
| | - Haoyang Pan
- Spin-X Institute, School of Microelectronics, South China University of Technology, Guangzhou 511442, China
| | - Yudi Wang
- Center for Carbon-based Electronics and Key Laboratory for the Physics and Chemistry of Nanodevices, School of Electronics, Peking University, Beijing 100871, China
| | - Yangyu Dong
- Centre for Nanoscale Science and Technology, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Qian Shen
- Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Nanjing Tech University, Nanjing 211816, China
| | - Yajie Zhang
- Center for Carbon-based Electronics and Key Laboratory for the Physics and Chemistry of Nanodevices, School of Electronics, Peking University, Beijing 100871, China
| | - Shimin Hou
- Center for Carbon-based Electronics and Key Laboratory for the Physics and Chemistry of Nanodevices, School of Electronics, Peking University, Beijing 100871, China
- Centre for Nanoscale Science and Technology, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Kai Wu
- BNLMS, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Yongfeng Wang
- Center for Carbon-based Electronics and Key Laboratory for the Physics and Chemistry of Nanodevices, School of Electronics, Peking University, Beijing 100871, China
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Lobo-Checa J, Rodríguez SJ, Hernández-López L, Herrer L, Passeggi MCG, Cea P, Serrano JL. Discarding metal incorporation in pyrazole macrocycles and the role of the substrate on single-layer assemblies. NANOSCALE 2024; 16:7093-7101. [PMID: 38497989 DOI: 10.1039/d3nr03773h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Pyrazole derivatives are key in crystal engineering and liquid crystal fields and thrive in agriculture, pharmaceutical, or biomedicine industries. Such versatility relies in their supramolecular bond adaptability when forming hydrogen bonds or metal-pyrazole complexes. Interestingly, the precise structure of pyrazole-based macrocycles forming widespread porous structures is still unsolved. We bring insight into such fundamental question by studying the self-assembled structures of a bis-pyrazole derivative sublimed in ultra-high-vacuum conditions (without solvents) onto the three (111) noble metal surfaces. By means of high-resolution scanning tunneling microscopy that is validated by gas phase density functional theory calculations, we find a common hexagonal nanoporous network condensed by triple hydrogen bonds at the molecule-metal interface. Such assembly is disrupted and divergent after annealing: (i) on copper, the molecular integrity is compromised leading to structural chaos, (ii) on silver, an incommensurate new oblique structure requiring molecular deprotonation is found and, (iii) on gold, metal-organic complexes are promoted yielding irregular chain structures. Our findings confirm the critical role of these metals on the different pyrazole nanoporous structure formation, discarding their preference for metal incorporation into the connecting nodes whenever there is no solvent involved.
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Affiliation(s)
- Jorge Lobo-Checa
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain.
- Departamento de Física de la Materia Condensada, Universidad de Zaragoza, E-50009 Zaragoza, Spain
- Laboratorio de Microscopias Avanzadas, Universidad de Zaragoza, E-50018, Zaragoza, Spain
| | - Sindy Julieth Rodríguez
- Instituto de Física del Litoral, Consejo Nacional de Investigaciones Científicas y Técnicas y Universidad Nacional del Litoral (IFIS-Litoral, CONICET-UNL), Santa Fe, Argentina
| | - Leyre Hernández-López
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain.
- Departamento de Física de la Materia Condensada, Universidad de Zaragoza, E-50009 Zaragoza, Spain
| | - Lucía Herrer
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain.
- Laboratorio de Microscopias Avanzadas, Universidad de Zaragoza, E-50018, Zaragoza, Spain
| | - Mario C G Passeggi
- Instituto de Física del Litoral, Consejo Nacional de Investigaciones Científicas y Técnicas y Universidad Nacional del Litoral (IFIS-Litoral, CONICET-UNL), Santa Fe, Argentina
- Departamento de Física, Facultad de Ingeniería Química, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Pilar Cea
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain.
- Laboratorio de Microscopias Avanzadas, Universidad de Zaragoza, E-50018, Zaragoza, Spain
- Departamento de Química Física, Facultad de Ciencias, Universidad de Zaragoza, E-50009 Zaragoza, Spain
| | - José Luis Serrano
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain.
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Zaragoza, E-50009 Zaragoza, Spain
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Saha P, Yadav VK, Gurunarayanan V, Ramapanicker R, Singh JK, Gopakumar TG. Revealing the Limits of Intermolecular Interactions: Molecular Rings of Ferrocene Derivatives on Graphite Surface. J Phys Chem Lett 2020; 11:297-302. [PMID: 31842542 DOI: 10.1021/acs.jpclett.9b03357] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
We report the formation of discrete molecular rings/spirals of small molecules (1,3-dithia derivatives of ferrocene) on a highly oriented pyrolytic graphite (HOPG) surface. On the basis of microscopy and theoretical calculations, molecular level arrangement within the molecular rings is understood. The molecular rings show a limiting inner diameter, and we interpret it to be related to the critical intermolecular interaction limit. This limiting value of the inner diameter is surprisingly correlated with that observed for molecular rings/disks of a few reported molecules. The correlation reveals that molecular rings formed typically by weak van der Waals interactions should always show a limiting inner diameter and should be independent of molecular structure, size, and chemical nature.
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Affiliation(s)
- Prithwidip Saha
- Department of Chemistry , Indian Institute of Technology Kanpur , Kanpur , Uttar Pradesh 208016 , India
| | - Vivek Kumar Yadav
- Department of Chemical Engineering , Indian Institute of Technology Kanpur , Kanpur , Uttar Pradesh 208016 , India
| | - Vinithra Gurunarayanan
- Department of Chemistry , Indian Institute of Technology Kanpur , Kanpur , Uttar Pradesh 208016 , India
| | - Ramesh Ramapanicker
- Department of Chemistry , Indian Institute of Technology Kanpur , Kanpur , Uttar Pradesh 208016 , India
| | - Jayant K Singh
- Department of Chemical Engineering , Indian Institute of Technology Kanpur , Kanpur , Uttar Pradesh 208016 , India
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Knecht P, Suryadevara N, Zhang B, Reichert J, Ruben M, Barth JV, Klyatskaya S, Papageorgiou AC. The self-assembly and metal adatom coordination of a linear bis-tetrazole ligand on Ag(111). Chem Commun (Camb) 2018; 54:10072-10075. [PMID: 30132771 DOI: 10.1039/c8cc04323j] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We employ a linear linker molecule consisting of a benzene functionalised with two tetrazole moieties at para positions. Its self-assembly and coordination with the native silver adatoms and codeposited Fe adatoms on a Ag(111) surface under ultra high vacuum conditions are investigated by means of scanning tunnelling microscopy and X-ray photoelectron spectroscopy. We discover a rich spectrum of room-temperature stable Ag and Fe2+ coordination nodes depending on the formation temperature.
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Affiliation(s)
- Peter Knecht
- Physics Department E20, Technical University of Munich, D-85748 Garching, Germany.
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