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Xu X, Muñoz-Mármol R, Vasylevskyi S, Villa A, Folpini G, Scotognella F, Maria Paternò G, Narita A. Synthesis of Bioctacene-Incorporated Nanographene with Near-Infrared Chiroptical Properties. Angew Chem Int Ed Engl 2023; 62:e202218350. [PMID: 36727244 DOI: 10.1002/anie.202218350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 02/01/2023] [Accepted: 02/01/2023] [Indexed: 02/03/2023]
Abstract
We report the synthesis of a hexabenzoperihexacene (HBPH) with two incorporated octacene substructures, which was unambiguously characterized by single-crystal X-ray analysis. The theoretical isomerization barrier of the (P,P)-/(P,M)-forms was estimated to be 38.4 kcal mol-1 , and resolution was achieved by chiral HPLC. Notably, the enantiomers exhibited opposite circular dichroism responses up to the near-infrared (NIR) region (830 nm) with a high gabs value of 0.017 at 616 nm. Moreover, HBPH demonstrated NIR emission with a maximum at 798 nm and an absolute PLQY of 41 %. The excited-state photophysical properties of HBPH were investigated by ultrafast transient absorption spectroscopy, revealing an intriguing feature that was attributed to the rotational and/or conformational dynamics of HBPH after excitation. These results provide new insight into the design of chiral nanographene with NIR optical properties for potential chiroptical applications.
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Affiliation(s)
- Xiushang Xu
- Organic and Carbon Nanomaterials Unit, Okinawa Institute of Science and Technology Graduate University, 1919-1 Tancha, Onna-son, Kunigami-gun, Okinawa, 904-0495, Japan
| | - Rafael Muñoz-Mármol
- Physics Department, Politecnico di Milano, Piazza L. da Vinci 32, 20133, Milano, Italy
| | - Serhii Vasylevskyi
- Engineering Section, Research Support Division, Okinawa Institute of Science and Technology Graduate University, 1919-1 Tancha, Onna-son, Kunigami-gun, Okinawa, 904-0495, Japan
| | - Andrea Villa
- Physics Department, Politecnico di Milano, Piazza L. da Vinci 32, 20133, Milano, Italy
| | - Giulia Folpini
- Center for Nano Science and Technology, Istituto Italiano di Tecnologia, Via Pascoli 70, 20133, Milano, Italy
| | - Francesco Scotognella
- Physics Department, Politecnico di Milano, Piazza L. da Vinci 32, 20133, Milano, Italy
| | - Giuseppe Maria Paternò
- Physics Department, Politecnico di Milano, Piazza L. da Vinci 32, 20133, Milano, Italy.,Center for Nano Science and Technology, Istituto Italiano di Tecnologia, Via Pascoli 70, 20133, Milano, Italy
| | - Akimitsu Narita
- Organic and Carbon Nanomaterials Unit, Okinawa Institute of Science and Technology Graduate University, 1919-1 Tancha, Onna-son, Kunigami-gun, Okinawa, 904-0495, Japan.,Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
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2
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Gu Y, Vega‐Mayoral V, Garcia‐Orrit S, Schollmeyer D, Narita A, Cabanillas‐González J, Qiu Z, Müllen K. Cove-Edged Hexa-peri-hexabenzo-bis-peri-octacene: Molecular Conformations and Amplified Spontaneous Emission. Angew Chem Int Ed Engl 2022; 61:e202201088. [PMID: 35192234 PMCID: PMC9311809 DOI: 10.1002/anie.202201088] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Indexed: 12/14/2022]
Abstract
The bottom-up synthesis of an unprecedentedly large cove-edged nanographene, hexa-peri-hexabenzo-bis-peri-octacene (HBPO), is reported in this work. Chiral high-performance liquid chromatography and density functional theory (DFT) calculations revealed multiple conformations in solution. Two different molecular conformations, "waggling" and "butterfly", were found in crystals by X-ray crystallography, and the selectivity of conformations could be tuned by solvents. The optoelectronic properties of HBPO were investigated by UV/Vis absorption and fluorescence spectroscopies, cyclic voltammetry, and DFT calculations. The contorted geometry and branched alkyl groups suppress the aggregation of HBPO in solution, leading to a high fluorescence quantum yield of 79 %. The optical-gain properties were explored through transient absorption and amplified spontaneous emission spectroscopies, which enrich the choices of edge structures for potential applications in laser cavities.
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Affiliation(s)
- Yanwei Gu
- Synthetic ChemistryMax Planck Institute for Polymer ResearchAckermannweg 1055128MainzGermany
| | - Victor Vega‐Mayoral
- Madrid Institute for Advanced StudiesIMDEA Nanocienciac/Faraday 9, Campus de Cantoblanco28049MadridSpain
| | - Saül Garcia‐Orrit
- Madrid Institute for Advanced StudiesIMDEA Nanocienciac/Faraday 9, Campus de Cantoblanco28049MadridSpain
| | - Dieter Schollmeyer
- Department of chemistryJohannes Gutenberg University MainzDuesbergweg 10–1455128MainzGermany
| | - Akimitsu Narita
- Synthetic ChemistryMax Planck Institute for Polymer ResearchAckermannweg 1055128MainzGermany
| | - Juan Cabanillas‐González
- Madrid Institute for Advanced StudiesIMDEA Nanocienciac/Faraday 9, Campus de Cantoblanco28049MadridSpain
| | - Zijie Qiu
- Synthetic ChemistryMax Planck Institute for Polymer ResearchAckermannweg 1055128MainzGermany
| | - Klaus Müllen
- Synthetic ChemistryMax Planck Institute for Polymer ResearchAckermannweg 1055128MainzGermany
- Institute for Physical ChemistryJohannes Gutenberg University MainzDuesbergweg 10–1455128MainzGermany
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3
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Gu Y, Vega‐Mayoral V, Garcia‐Orrit S, Schollmeyer D, Narita A, Cabanillas‐González J, Qiu Z, Müllen K. Cove‐Edged Hexa‐
peri
‐hexabenzo‐bis‐
peri
‐octacene: Molecular Conformations and Amplified Spontaneous Emission. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202201088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yanwei Gu
- Synthetic Chemistry Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
| | - Victor Vega‐Mayoral
- Madrid Institute for Advanced Studies IMDEA Nanociencia c/Faraday 9, Campus de Cantoblanco 28049 Madrid Spain
| | - Saül Garcia‐Orrit
- Madrid Institute for Advanced Studies IMDEA Nanociencia c/Faraday 9, Campus de Cantoblanco 28049 Madrid Spain
| | - Dieter Schollmeyer
- Department of chemistry Johannes Gutenberg University Mainz Duesbergweg 10–14 55128 Mainz Germany
| | - Akimitsu Narita
- Synthetic Chemistry Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
| | - Juan Cabanillas‐González
- Madrid Institute for Advanced Studies IMDEA Nanociencia c/Faraday 9, Campus de Cantoblanco 28049 Madrid Spain
| | - Zijie Qiu
- Synthetic Chemistry Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
| | - Klaus Müllen
- Synthetic Chemistry Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
- Institute for Physical Chemistry Johannes Gutenberg University Mainz Duesbergweg 10–14 55128 Mainz Germany
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4
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Zou Y, Han Y, Wu S, Hou X, Chow CHE, Wu J. Scholl Reaction of Perylene-Based Polyphenylene Precursors under Different Conditions: Formation of Hexagon or Octagon? Angew Chem Int Ed Engl 2021; 60:17654-17663. [PMID: 34002913 DOI: 10.1002/anie.202105427] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Indexed: 12/19/2022]
Abstract
A planar dibenzo-peri-hexacene derivative (2) was synthesized via FeCl3 -mediated Scholl reaction from a cyclopenta-fused perylene (CP) based polyphenylene precursor (1). However, an unexpected octagon-containing, negatively curved molecule (3) was obtained in nearly quantitative yield when 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) and methanesulfonic acid (MeSO3 H) were used. Similar results were observed when two smaller-sized precursors containing one (4) or two CP units (5) were tested. X-ray crystallographic analysis also revealed that there is no close π-π stacking between neighboring π-conjugated skeletons. DFT calculations suggest a radical cation mechanism in the presence of FeCl3 while an arenium ion pathway for the DDQ/MeSO3 H mediated Scholl reaction, which can well explain the selective formation of hexagons and octagons under different conditions. The obtained compounds showed tunable optical and electrochemical properties.
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Affiliation(s)
- Ya Zou
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore, Singapore
| | - Yi Han
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore, Singapore
| | - Shaofei Wu
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore, Singapore
| | - Xudong Hou
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore, Singapore
| | - Chi Hao Eugene Chow
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore, Singapore
| | - Jishan Wu
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore, Singapore.,Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, 350207, China
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5
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Zou Y, Han Y, Wu S, Hou X, Chow CHE, Wu J. Scholl Reaction of Perylene‐Based Polyphenylene Precursors under Different Conditions: Formation of Hexagon or Octagon? Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202105427] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Ya Zou
- Department of Chemistry National University of Singapore 3 Science Drive 3 117543 Singapore Singapore
| | - Yi Han
- Department of Chemistry National University of Singapore 3 Science Drive 3 117543 Singapore Singapore
| | - Shaofei Wu
- Department of Chemistry National University of Singapore 3 Science Drive 3 117543 Singapore Singapore
| | - Xudong Hou
- Department of Chemistry National University of Singapore 3 Science Drive 3 117543 Singapore Singapore
| | - Chi Hao Eugene Chow
- Department of Chemistry National University of Singapore 3 Science Drive 3 117543 Singapore Singapore
| | - Jishan Wu
- Department of Chemistry National University of Singapore 3 Science Drive 3 117543 Singapore Singapore
- Joint School of National University of Singapore and Tianjin University International Campus of Tianjin University Binhai New City Fuzhou 350207 China
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