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Das G, Anand A, Vedhanarayanan B, Padmakumar A, Praveen VK, Ajayaghosh A. Controlling the Morphological Features, Aspect Ratio and Emission Patterns of Supramolecular Copolymers by Restricted Dimensional Growth. Chemistry 2023; 29:e202301819. [PMID: 37498316 DOI: 10.1002/chem.202301819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 07/25/2023] [Accepted: 07/26/2023] [Indexed: 07/28/2023]
Abstract
One of the bottlenecks associated with supramolecular polymerization of functional π-systems is the spontaneous assembly of monomers leading to one- or two-dimensional (1D or 2D) polymers without control over chain length and optical properties. In the case of supramolecular copolymerization of monomers that are structurally too diverse, preferential self-sorting occurs unless they are closely interacting donor-acceptor pairs. Herein, it is established that the spontaneous 1D polymerization of a phenyleneethynylene (PE) derivative and the 2D polymerization of a Bodipy derivative (BODIPY) can be controlled by copolymerizing them in different ratios, leading to unusual spindle-shaped structures with controlled aspect ratio, as evident by scanning electron microscopy (SEM), transmission electron microscopy (TEM) and confocal laser scanning microscopy (CLSM) studies. For example, when the content of BODIPY is 50 % in the BODIPY-PE mixture, the 1D polymerization of PE is significantly restricted to form elongated spindle-like structures having an aspect ratio of 4-6. The addition of 75 % of BODIPY to PE resulted in circular spindles having an aspect ratio of 1-2.5, thereby completely restricting the 1D polymerization of PE monomers. Moreover, the resultant supramolecular copolymers exhibited morphology and aspect ratio dependent emission features as observed by the time-resolved emission studies.
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Affiliation(s)
- Gourab Das
- Photosciences and Photonics Section, Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram, Kerala, 695019, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Anjali Anand
- Photosciences and Photonics Section, Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram, Kerala, 695019, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Balaraman Vedhanarayanan
- Photosciences and Photonics Section, Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram, Kerala, 695019, India
| | - Akhil Padmakumar
- Photosciences and Photonics Section, Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram, Kerala, 695019, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Vakayil K Praveen
- Photosciences and Photonics Section, Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram, Kerala, 695019, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Ayyappanpillai Ajayaghosh
- Photosciences and Photonics Section, Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram, Kerala, 695019, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
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2
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Jang D, Heo J, Jannah F, Khazi MI, Son YJ, Noh J, An H, Park SM, Yoon DK, Kadamannil NN, Jelinek R, Kim J. Stimulus‐Responsive Tubular Conjugated Polymer 2D Nanosheets. Angew Chem Int Ed Engl 2022; 61:e202211465. [DOI: 10.1002/anie.202211465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Daewoong Jang
- Department of Chemical Engineering Hanyang University Seoul 04763 Korea
| | - Jung‐Moo Heo
- Department of Chemical Engineering Hanyang University Seoul 04763 Korea
| | - Fadilatul Jannah
- Department of Chemical Engineering Hanyang University Seoul 04763 Korea
| | | | - Young Ji Son
- Department of Chemistry Hanyang University Seoul 04763 Korea
| | - Jaegeun Noh
- Institute of Nano Science and Technology Hanyang University Seoul 04763 Korea
- Department of Chemistry Hanyang University Seoul 04763 Korea
| | - Hyosung An
- Department of Petrochemical Materials Engineering Chonnam National University Yeosu 59631 Korea
| | - Soon Mo Park
- Graduate School of Nanoscience and Technology Korea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Korea
| | - Dong Ki Yoon
- Graduate School of Nanoscience and Technology Korea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Korea
- Department of Chemistry Korea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Korea
| | | | - Raz Jelinek
- Department of Chemistry Ben Gurion University Negev Beer Sheva 8410501 Israel
| | - Jong‐Man Kim
- Department of Chemical Engineering Hanyang University Seoul 04763 Korea
- Institute of Nano Science and Technology Hanyang University Seoul 04763 Korea
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3
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Jang D, Heo JM, Jannah F, Khazi MI, Son YJ, Noh J, An H, Park SM, Yoon DK, Kadamannil NN, Jelinek R, Kim JM. Stimulus‐responsive Tubular Conjugated Polymer 2D Nanosheets. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202211465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Daewoong Jang
- Hanyang University Department of Chemical Engineering KOREA, REPUBLIC OF
| | - Jung-Moo Heo
- Hanyang University Department of Chemical Engineering KOREA, REPUBLIC OF
| | - Fadilatul Jannah
- Hanyang University Department of Chemical Engineering KOREA, REPUBLIC OF
| | | | - Young Ji Son
- Hanyang University Department of Chemistry KOREA, REPUBLIC OF
| | - Jaegeun Noh
- Hanyang University Department of Chemistry KOREA, REPUBLIC OF
| | - Hyosung An
- Chonnam National University Department of Petrochemical Materials Engineering KOREA, REPUBLIC OF
| | - Soon Mo Park
- Korea Advanced Institute of Science and Technology Graduate School of Nanoscience and Technologies KOREA, REPUBLIC OF
| | - Dong Ki Yoon
- Korea Advanced Institute of Science and Technology Department of Chemistry KOREA, REPUBLIC OF
| | | | - Raz Jelinek
- Ben-Gurion University of the Negev Department of Chemistry ISRAEL
| | - Jong-Man Kim
- Hanyang University Department of Chemical Engineering 222 Wangsimni-roSeongdong-gu 04763 Seoul KOREA, REPUBLIC OF
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4
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Rajak A, Das A. Crystallization-Driven Controlled Two-Dimensional (2D) Assemblies from Chromophore-Appended Poly(L-lactide)s: Highly Efficient Energy Transfer on a 2D Surface. Angew Chem Int Ed Engl 2022; 61:e202116572. [PMID: 35137517 DOI: 10.1002/anie.202116572] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Indexed: 12/12/2022]
Abstract
A rational approach towards precision two-dimensional (2D) assemblies by crystallization-driven self-assembly (CDSA) of poly(L-lactides) (PLLAs), end-capped with dipolar dyes like merocyanine (MC) or naphthalene monoimide (NMI) and hydrophobic pyrene (PY) or benzene (Bn) is described. PLLA chains crystallize into diamond-shaped platelets in isopropanol, which forces the terminal dyes to assemble into a 2D array on the platelet surface by either dipolar interactions or π-stacking and exhibit tunable emission. Dipolar dyes play a critical role in imparting colloidal stability and structural uniformity to the 2D crystals, which is partly compromised for hydrophobic ones. Co-crystallization between NMI- and PY-labeled PLLAs yields similar diamond-shaped co-platelets with highly efficient (≈80 %) Förster Resonance Energy Transfer on the 2D surface. Further, the "living" CDSA method confers enlarged, segmented block co-platelets using one of the homopolymers as "seed" and the other as "unimer".
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Affiliation(s)
- Aritra Rajak
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science (IACS), 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata-700032, India
| | - Anindita Das
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science (IACS), 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata-700032, India
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5
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Rajak A, Das A. Crystallization‐Driven Controlled Two‐Dimensional (2D) Assemblies from Chromophore‐Appended Poly(L‐lactide)s: Highly Efficient Energy Transfer on a 2D Surface. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202116572] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Aritra Rajak
- School of Applied and Interdisciplinary Sciences Indian Association for the Cultivation of Science (IACS) 2A & 2B Raja S. C. Mullick Road Jadavpur Kolkata-700032 India
| | - Anindita Das
- School of Applied and Interdisciplinary Sciences Indian Association for the Cultivation of Science (IACS) 2A & 2B Raja S. C. Mullick Road Jadavpur Kolkata-700032 India
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6
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Vybornyi O, Liu SX, Häner R. Stimuli-Responsive Supramolecular Polymers from Amphiphilic Phosphodiester-Linked Azobenzene Trimers. Angew Chem Int Ed Engl 2021; 60:25872-25877. [PMID: 34529324 PMCID: PMC9298031 DOI: 10.1002/anie.202108745] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 08/27/2021] [Indexed: 12/23/2022]
Abstract
An amphiphilic phosphodiester‐linked azobenzene trimer has been exploited in the development of stimuli‐responsive, water‐soluble supramolecular polymers. The trimer can reversibly undergo thermal and photoisomerization between Z‐ and E‐isomers. Its self‐assembly properties in aqueous medium have been investigated by spectroscopic and microscopic techniques, demonstrating that E‐ and Z‐azobenzene trimers form supramolecular nanosheets and toroidal nanostructures, respectively. By virtue of the E/Z photoisomerization of the azobenzene units, the two different supramolecular morphologies can be switched by photoirradiation. The findings pave a way towards stimuli‐responsive, water‐soluble supramolecular polymers which hold great promise in the development of smart functional materials.
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Affiliation(s)
- Oleh Vybornyi
- Department of Chemistry, Biochemistry and Pharmaceutical Sciences, University of Bern, Freiestrasse 3, 3012, Bern, Switzerland
| | - Shi-Xia Liu
- Department of Chemistry, Biochemistry and Pharmaceutical Sciences, University of Bern, Freiestrasse 3, 3012, Bern, Switzerland
| | - Robert Häner
- Department of Chemistry, Biochemistry and Pharmaceutical Sciences, University of Bern, Freiestrasse 3, 3012, Bern, Switzerland
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7
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Vybornyi O, Liu S, Häner R. Stimuli‐Responsive Supramolecular Polymers from Amphiphilic Phosphodiester‐Linked Azobenzene Trimers. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202108745] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Oleh Vybornyi
- Department of Chemistry, Biochemistry and Pharmaceutical Sciences University of Bern Freiestrasse 3 3012 Bern Switzerland
| | - Shi‐Xia Liu
- Department of Chemistry, Biochemistry and Pharmaceutical Sciences University of Bern Freiestrasse 3 3012 Bern Switzerland
| | - Robert Häner
- Department of Chemistry, Biochemistry and Pharmaceutical Sciences University of Bern Freiestrasse 3 3012 Bern Switzerland
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8
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Das G, Cherumukkil S, Padmakumar A, Banakar VB, Praveen VK, Ajayaghosh A. Tweaking a BODIPY Spherical Self‐Assembly to 2D Supramolecular Polymers Facilitates Excited‐State Cascade Energy Transfer. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202015390] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Gourab Das
- Photosciences and Photonics Section Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram Kerala 695019 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
| | - Sandeep Cherumukkil
- Photosciences and Photonics Section Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram Kerala 695019 India
| | - Akhil Padmakumar
- Photosciences and Photonics Section Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram Kerala 695019 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
| | - Vijay B. Banakar
- Photosciences and Photonics Section Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram Kerala 695019 India
| | - Vakayil K. Praveen
- Photosciences and Photonics Section Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram Kerala 695019 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
| | - Ayyappanpillai Ajayaghosh
- Photosciences and Photonics Section Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram Kerala 695019 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
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9
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Das G, Cherumukkil S, Padmakumar A, Banakar VB, Praveen VK, Ajayaghosh A. Tweaking a BODIPY Spherical Self‐Assembly to 2D Supramolecular Polymers Facilitates Excited‐State Cascade Energy Transfer. Angew Chem Int Ed Engl 2021; 60:7851-7859. [DOI: 10.1002/anie.202015390] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Indexed: 01/16/2023]
Affiliation(s)
- Gourab Das
- Photosciences and Photonics Section Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram Kerala 695019 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
| | - Sandeep Cherumukkil
- Photosciences and Photonics Section Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram Kerala 695019 India
| | - Akhil Padmakumar
- Photosciences and Photonics Section Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram Kerala 695019 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
| | - Vijay B. Banakar
- Photosciences and Photonics Section Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram Kerala 695019 India
| | - Vakayil K. Praveen
- Photosciences and Photonics Section Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram Kerala 695019 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
| | - Ayyappanpillai Ajayaghosh
- Photosciences and Photonics Section Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram Kerala 695019 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
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10
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Sasaki N, Yuan J, Fukui T, Takeuchi M, Sugiyasu K. Control over the Aspect Ratio of Supramolecular Nanosheets by Molecular Design. Chemistry 2020; 26:7840-7846. [PMID: 32150308 DOI: 10.1002/chem.202000055] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 02/18/2020] [Indexed: 11/10/2022]
Abstract
Recent developments in kinetically controlled supramolecular polymerization permit control of the size (i.e., length and area) of self-assembled nanostructures. However, control of molecular self-assembly at a level comparable with organic synthetic chemistry and the achievement of structural complexity at a hierarchy larger than the molecular level remain challenging. This study focuses on controlling the aspect ratio of supramolecular nanosheets. A systematic understanding of the relationship between the monomer structure and the self-assembly energy landscape has derived a new monomer capable of forming supramolecular nanosheets. With this monomer in hand, the aspect ratio of a supramolecular nanosheet is demonstrated that it can be controlled by modulating intermolecular interactions in two dimensions.
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Affiliation(s)
- Norihiko Sasaki
- Department of Materials Physics and Chemistry, Graduate School of Engineering, Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka, 819-0395, Japan.,Molecular Design & Function Group, National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba, Ibaraki, 305-0047, Japan
| | - Jennifer Yuan
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia, V6T 1Z1, Canada
| | - Tomoya Fukui
- Molecular Design & Function Group, National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba, Ibaraki, 305-0047, Japan
| | - Masayuki Takeuchi
- Molecular Design & Function Group, National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba, Ibaraki, 305-0047, Japan
| | - Kazunori Sugiyasu
- Department of Materials Physics and Chemistry, Graduate School of Engineering, Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka, 819-0395, Japan.,Molecular Design & Function Group, National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba, Ibaraki, 305-0047, Japan
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11
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Xiao X, Chen H, Dong X, Ren D, Deng Q, Wang D, Tian W. A Double Cation–π‐Driven Strategy Enabling Two‐Dimensional Supramolecular Polymers as Efficient Catalyst Carriers. Angew Chem Int Ed Engl 2020; 59:9534-9541. [DOI: 10.1002/anie.202000255] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 02/19/2020] [Indexed: 12/12/2022]
Affiliation(s)
- Xuedong Xiao
- Shaanxi Key Laboratory of Macromolecular Science and TechnologyMOE Key Laboratory of Material Physics and Chemistry under Extraordinary ConditionsSchool of Chemistry and Chemical EngineeringNorthwestern Polytechnical University Xi'an 710072 China
| | - Hongbo Chen
- State Key Laboratory of Polymer Physics and ChemistryChangchun Institute of Applied ChemistryChinese Academy of Sciences Changchun Jilin 130022 China
| | - Xuxu Dong
- Shaanxi Key Laboratory of Macromolecular Science and TechnologyMOE Key Laboratory of Material Physics and Chemistry under Extraordinary ConditionsSchool of Chemistry and Chemical EngineeringNorthwestern Polytechnical University Xi'an 710072 China
| | - Dazhuo Ren
- Shaanxi Key Laboratory of Macromolecular Science and TechnologyMOE Key Laboratory of Material Physics and Chemistry under Extraordinary ConditionsSchool of Chemistry and Chemical EngineeringNorthwestern Polytechnical University Xi'an 710072 China
| | - Qiang Deng
- Shaanxi Key Laboratory of Macromolecular Science and TechnologyMOE Key Laboratory of Material Physics and Chemistry under Extraordinary ConditionsSchool of Chemistry and Chemical EngineeringNorthwestern Polytechnical University Xi'an 710072 China
| | - Dapeng Wang
- State Key Laboratory of Polymer Physics and ChemistryChangchun Institute of Applied ChemistryChinese Academy of Sciences Changchun Jilin 130022 China
| | - Wei Tian
- Shaanxi Key Laboratory of Macromolecular Science and TechnologyMOE Key Laboratory of Material Physics and Chemistry under Extraordinary ConditionsSchool of Chemistry and Chemical EngineeringNorthwestern Polytechnical University Xi'an 710072 China
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12
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Xiao X, Chen H, Dong X, Ren D, Deng Q, Wang D, Tian W. A Double Cation–π‐Driven Strategy Enabling Two‐Dimensional Supramolecular Polymers as Efficient Catalyst Carriers. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202000255] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Xuedong Xiao
- Shaanxi Key Laboratory of Macromolecular Science and TechnologyMOE Key Laboratory of Material Physics and Chemistry under Extraordinary ConditionsSchool of Chemistry and Chemical EngineeringNorthwestern Polytechnical University Xi'an 710072 China
| | - Hongbo Chen
- State Key Laboratory of Polymer Physics and ChemistryChangchun Institute of Applied ChemistryChinese Academy of Sciences Changchun Jilin 130022 China
| | - Xuxu Dong
- Shaanxi Key Laboratory of Macromolecular Science and TechnologyMOE Key Laboratory of Material Physics and Chemistry under Extraordinary ConditionsSchool of Chemistry and Chemical EngineeringNorthwestern Polytechnical University Xi'an 710072 China
| | - Dazhuo Ren
- Shaanxi Key Laboratory of Macromolecular Science and TechnologyMOE Key Laboratory of Material Physics and Chemistry under Extraordinary ConditionsSchool of Chemistry and Chemical EngineeringNorthwestern Polytechnical University Xi'an 710072 China
| | - Qiang Deng
- Shaanxi Key Laboratory of Macromolecular Science and TechnologyMOE Key Laboratory of Material Physics and Chemistry under Extraordinary ConditionsSchool of Chemistry and Chemical EngineeringNorthwestern Polytechnical University Xi'an 710072 China
| | - Dapeng Wang
- State Key Laboratory of Polymer Physics and ChemistryChangchun Institute of Applied ChemistryChinese Academy of Sciences Changchun Jilin 130022 China
| | - Wei Tian
- Shaanxi Key Laboratory of Macromolecular Science and TechnologyMOE Key Laboratory of Material Physics and Chemistry under Extraordinary ConditionsSchool of Chemistry and Chemical EngineeringNorthwestern Polytechnical University Xi'an 710072 China
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13
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Xu J, Miyamoto S, Tojo S, Kawai K. Sulfonated Pyrene as a Photoregulator for Single‐Stranded DNA Looping. Chemistry 2020; 26:5075-5084. [DOI: 10.1002/chem.202000184] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 02/14/2020] [Indexed: 12/29/2022]
Affiliation(s)
- Jie Xu
- The Institute of Scientific and Industrial Research (SANKEN)Osaka University Mihogaoka 8-1 Ibaraki, Osaka 567-0047 Japan
| | - Shunichi Miyamoto
- The Institute of Scientific and Industrial Research (SANKEN)Osaka University Mihogaoka 8-1 Ibaraki, Osaka 567-0047 Japan
| | - Sachiko Tojo
- The Institute of Scientific and Industrial Research (SANKEN)Osaka University Mihogaoka 8-1 Ibaraki, Osaka 567-0047 Japan
| | - Kiyohiko Kawai
- The Institute of Scientific and Industrial Research (SANKEN)Osaka University Mihogaoka 8-1 Ibaraki, Osaka 567-0047 Japan
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14
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Kownacki M, Langenegger SM, Liu SX, Häner R. Integrating DNA Photonic Wires into Light-Harvesting Supramolecular Polymers. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201809914] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Mariusz Kownacki
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
| | - Simon M. Langenegger
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
| | - Shi-Xia Liu
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
| | - Robert Häner
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
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15
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Kownacki M, Langenegger SM, Liu SX, Häner R. Integrating DNA Photonic Wires into Light-Harvesting Supramolecular Polymers. Angew Chem Int Ed Engl 2018; 58:751-755. [DOI: 10.1002/anie.201809914] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Indexed: 12/13/2022]
Affiliation(s)
- Mariusz Kownacki
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
| | - Simon M. Langenegger
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
| | - Shi-Xia Liu
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
| | - Robert Häner
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
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16
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Feng X, Schlüter AD. Towards Macroscopic Crystalline 2D Polymers. Angew Chem Int Ed Engl 2018; 57:13748-13763. [DOI: 10.1002/anie.201803456] [Citation(s) in RCA: 80] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 05/19/2018] [Indexed: 11/11/2022]
Affiliation(s)
- Xinliang Feng
- Center for Advancing Electronics Dresden & Department of Chemistry and Food ChemistryTechnische Universität Dresden 01069 Dresden Germany
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17
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Affiliation(s)
- Xinliang Feng
- Center for Advancing Electronics Dresden & Fakultät Chemie und LebensmittelchemieTechnische Universität Dresden 01069 Dresden Deutschland
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18
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Yu H, Sabetti M, Häner R. Formation of Supramolecular Nanotubes by Self-assembly of a Phosphate-linked Dimeric Anthracene in Water. Chem Asian J 2018; 13:968-971. [DOI: 10.1002/asia.201800275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Indexed: 11/06/2022]
Affiliation(s)
- Hao Yu
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 CH-3012 Bern Switzerland
| | - Mattia Sabetti
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 CH-3012 Bern Switzerland
| | - Robert Häner
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 CH-3012 Bern Switzerland
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19
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Appukutti N, Serpell CJ. High definition polyphosphoesters: between nucleic acids and plastics. Polym Chem 2018. [DOI: 10.1039/c8py00251g] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Nucleic acids and synthetic polyphosphoester materials have been distinct fields – this review shows how these areas now comprise a continuum.
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Wang Y, Wang R, Imai Y, Hara N, Wan X, Nakano T. π-Stacked and unstacked aggregate formation of 3,3′-diethylthiatricarbocyanine iodide, a near-infrared dye. NEW J CHEM 2018. [DOI: 10.1039/c8nj02851f] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
3,3′-Diethylthiatricarbocyanine iodide (DTCI) emits distinctive monomer and dimer emissions whose intensity ratio varied depending on concentration in methanol and water.
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Affiliation(s)
- Yue Wang
- Institute for Catalysis (ICAT) and Graduate School of Chemical Sciences and Engineering
- Hokkaido University
- Sapporo 001-0021
- Japan
| | - Rong Wang
- Institute for Catalysis (ICAT) and Graduate School of Chemical Sciences and Engineering
- Hokkaido University
- Sapporo 001-0021
- Japan
- College of Chemistry and Molecular Engineering
| | - Yoshitane Imai
- Graduate School of Science and Engineering
- Kindai University
- Higashiosaka City
- Japan
| | - Nobuyuki Hara
- Graduate School of Science and Engineering
- Kindai University
- Higashiosaka City
- Japan
| | - Xinhua Wan
- College of Chemistry and Molecular Engineering
- Peking University
- Beijing 100871
- China
| | - Tamaki Nakano
- Institute for Catalysis (ICAT) and Graduate School of Chemical Sciences and Engineering
- Hokkaido University
- Sapporo 001-0021
- Japan
- Integrated Research Consortium on Chemical Sciences (IRCCS)
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21
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Yin JF, Hu Y, Wang H, Jin Z, Zhang Y, Kuang GC. Near-Infrared-Emissive Amphiphilic BODIPY Assemblies Manipulated by Charge-Transfer Interaction: From Nanofibers to Nanorods and Nanodisks. Chem Asian J 2017; 12:3088-3095. [DOI: 10.1002/asia.201701323] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Indexed: 12/28/2022]
Affiliation(s)
- Jia-Fu Yin
- State Key Laboratory of Power Metallurgy; Department of Polymer Materials and Engineering; Central South University; Changsha Hunan 410083 (China
- College of Chemistry and Chemical Engineering Department; Central South University; Changsha Hunan 410083 (China
| | - Yi Hu
- Key Laboratory of Mesoscopic Chemistry of MOE; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing Jiangsu 210093 (China
| | - Huan Wang
- State Key Laboratory of Power Metallurgy; Department of Polymer Materials and Engineering; Central South University; Changsha Hunan 410083 (China
| | - Zhong Jin
- Key Laboratory of Mesoscopic Chemistry of MOE; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing Jiangsu 210093 (China
| | - Yi Zhang
- College of Chemistry and Chemical Engineering Department; Central South University; Changsha Hunan 410083 (China
| | - Gui-Chao Kuang
- State Key Laboratory of Power Metallurgy; Department of Polymer Materials and Engineering; Central South University; Changsha Hunan 410083 (China
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22
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Shi S, Liu D, Wang X. The Effect of Solution Conditions on the Driving Forces for Self-Assembly of a Pyrene Molecule. Chemistry 2017; 23:9736-9740. [DOI: 10.1002/chem.201702281] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Indexed: 01/18/2023]
Affiliation(s)
- Shaowei Shi
- Department of Chemistry; Waterloo Institute for Nanotechnology; 200 Uni Ave Waterloo ON N2L 3G1 Canada
- Current address: Beijing Advanced Innovation Center for Soft Matter Science and Engineering; Beijing University of Chemical Technology; Beijing 100029 China
| | - Dapeng Liu
- Department of Chemistry; Waterloo Institute for Nanotechnology; 200 Uni Ave Waterloo ON N2L 3G1 Canada
| | - Xiaosong Wang
- Department of Chemistry; Waterloo Institute for Nanotechnology; 200 Uni Ave Waterloo ON N2L 3G1 Canada
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23
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Giovanella U, Cariati E, Lucenti E, Pasini M, Galeotti F, Botta C. In Situ Electroluminescence Color Tuning by Thermal Deprotonation Suitable for Thermal Sensors and Anti-fraud Labels. Chemphyschem 2017; 18:2157-2161. [PMID: 28240411 DOI: 10.1002/cphc.201700185] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Indexed: 11/06/2022]
Affiliation(s)
| | - Elena Cariati
- Dipartimento di Chimica; Università degli Studi di Milano; via Golgi 19 20133 Milano Italy
- UdR INSTM di Milano; Via Golgi 19 20133 Milano Italy
| | - Elena Lucenti
- UdR INSTM di Milano; Via Golgi 19 20133 Milano Italy
- ISTM-CNR; Via Golgi 19 20133 Milano Italy
| | | | | | - Chiara Botta
- ISMAC-CNR; via Corti 12 20133 Milano (I taly
- UdR INSTM di Milano; Via Golgi 19 20133 Milano Italy
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24
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Mariani G, Kutz A, Di Z, Schweins R, Gröhn F. Inducing Hetero-aggregation of Different Azo Dyes through Electrostatic Self-Assembly. Chemistry 2017; 23:6249-6254. [DOI: 10.1002/chem.201605194] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Indexed: 12/21/2022]
Affiliation(s)
- Giacomo Mariani
- Department of Chemistry and Pharmacy and Interdisciplinary Centre for Molecular Material (ICMM); Friedrich-Alexander-Universität Erlangen-Nürnberg; Egerlandstraße 3 91058 Erlangen Germany
- DS/LSS; Institut Laue-Langevin; 71 avenue des Martyrs 38000 Grenoble France
| | - Anne Kutz
- Department of Chemistry and Pharmacy and Interdisciplinary Centre for Molecular Material (ICMM); Friedrich-Alexander-Universität Erlangen-Nürnberg; Egerlandstraße 3 91058 Erlangen Germany
| | - Zhenyu Di
- Jülich Centre for Neutron Science; Outstation at MLZ; Lichtenbergstr. 1 85747 Garching Germany
| | - Ralf Schweins
- DS/LSS; Institut Laue-Langevin; 71 avenue des Martyrs 38000 Grenoble France
| | - Franziska Gröhn
- Department of Chemistry and Pharmacy and Interdisciplinary Centre for Molecular Material (ICMM); Friedrich-Alexander-Universität Erlangen-Nürnberg; Egerlandstraße 3 91058 Erlangen Germany
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25
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Yu H, Alexander DTL, Aschauer U, Häner R. Synthesis of Responsive Two-Dimensional Polymers via Self-Assembled DNA Networks. Angew Chem Int Ed Engl 2017; 56:5040-5044. [PMID: 28370933 DOI: 10.1002/anie.201701342] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Revised: 03/08/2017] [Indexed: 11/08/2022]
Abstract
Despite a growing interest in two-dimensional polymers, their rational synthesis remains a challenge. The solution-phase synthesis of a two-dimensional polymer is reported. A DNA-based monomer self-assembles into a supramolecular network, which is further converted into the covalently linked two-dimensional polymer by anthracene dimerization. The polymers appear as uniform monolayers, as shown by AFM and TEM imaging. Furthermore, they exhibit a pronounced solvent responsivity. The results demonstrate the value of DNA-controlled self-assembly for the formation of two-dimensional polymers in solution.
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Affiliation(s)
- Hao Yu
- Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, 3012, Bern, Switzerland
| | - Duncan T L Alexander
- Interdisciplinary Centre for Electron Microscopy (CIME), Ecole Polytechnique Fédérale de Lausanne (EPFL), Station 12, 1015, Lausanne, Switzerland
| | - Ulrich Aschauer
- Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, 3012, Bern, Switzerland
| | - Robert Häner
- Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, 3012, Bern, Switzerland
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26
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Yu H, Alexander DTL, Aschauer U, Häner R. Synthesis of Responsive Two-Dimensional Polymers via Self-Assembled DNA Networks. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201701342] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Hao Yu
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
| | - Duncan T. L. Alexander
- Interdisciplinary Centre for Electron Microscopy (CIME); Ecole Polytechnique Fédérale de Lausanne (EPFL); Station 12 1015 Lausanne Switzerland
| | - Ulrich Aschauer
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
| | - Robert Häner
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
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Bösch CD, Langenegger SM, Häner R. Light-Harvesting Nanotubes Formed by Supramolecular Assembly of Aromatic Oligophosphates. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201604508] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Caroline D. Bösch
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
| | - Simon M. Langenegger
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
| | - Robert Häner
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
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28
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Bösch CD, Langenegger SM, Häner R. Light-Harvesting Nanotubes Formed by Supramolecular Assembly of Aromatic Oligophosphates. Angew Chem Int Ed Engl 2016; 55:9961-4. [DOI: 10.1002/anie.201604508] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Indexed: 12/26/2022]
Affiliation(s)
- Caroline D. Bösch
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
| | - Simon M. Langenegger
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
| | - Robert Häner
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
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29
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30
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Robert Häner. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/anie.201507116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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31
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Micali N, Vybornyi M, Mineo P, Khorev O, Häner R, Villari V. Hydrodynamic and Thermophoretic Effects on the Supramolecular Chirality of Pyrene-Derived Nanosheets. Chemistry 2015; 21:9505-13. [PMID: 26012534 DOI: 10.1002/chem.201500932] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2015] [Indexed: 01/13/2023]
Abstract
Chiroptical properties of two-dimensional (2D) supramolecular assemblies (nanosheets) of achiral, charged pyrene trimers (Py3 ) are rendered chiral by asymmetric physical perturbations. Chiral stimuli in a cuvette can originate either from controlled temperature gradients or by very gentle stirring. The chiroptical activity strongly depends on the degree of supramolecular order of the nanosheets, which is easily controlled by the method of preparation. The high degree of structural order ensures strong cooperative effects within the aggregates, rendering them more susceptible to external stimuli. The samples prepared by using slow thermal annealing protocols are both CD and LD active (in stagnant and stirred solutions), whereas for isothermally aged samples chiroptical activity was in all cases undetectable. In the case of temperature gradients, the optical activity of 2D assemblies could be recorded for a stagnant solution due to migration of the aggregates from the hottest to the coldest regions of the system. However, a considerably stronger exciton coupling, coinciding with the J-band of the interacting pyrenes, is developed upon subtle vortexing (0.5 Hz, 30 rpm) of the aqueous solution of the nanosheets. The sign of the exciton coupling is inverted upon switching between clockwise and counter-clockwise rotation. The supramolecular chirality is evidenced by the appearance of CD activity. To exclude artefacts from proper CD spectra, the contribution from LD to the observed CD was determined. The data suggest that the aggregates experience asymmetrical deformation and alignment effects because of the presence of chiral flows.
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Affiliation(s)
- Norberto Micali
- CNR-IPCF Istituto per i Processi Chimico-Fisici, Viale F. Stagno d'Alcontres 37, Messina (Italy)
| | - Mykhailo Vybornyi
- Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, 3012 Bern (Switzerland)
| | - Placido Mineo
- CNR-IPCF Istituto per i Processi Chimico-Fisici, Viale F. Stagno d'Alcontres 37, Messina (Italy).,Dipartimento di Scienze Chimiche and I.N.S.T.M. UdR of Catania, University of Catania, Viale Andrea Doria 6, 95125 Catania (Italy)
| | - Oleg Khorev
- Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, 3012 Bern (Switzerland)
| | - Robert Häner
- Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, 3012 Bern (Switzerland).
| | - Valentina Villari
- CNR-IPCF Istituto per i Processi Chimico-Fisici, Viale F. Stagno d'Alcontres 37, Messina (Italy).
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Vyborna Y, Vybornyi M, Rudnev AV, Häner R. DNA-Grafted Supramolecular Polymers: Helical Ribbon Structures Formed by Self-Assembly of Pyrene-DNA Chimeric Oligomers. Angew Chem Int Ed Engl 2015; 54:7934-8. [DOI: 10.1002/anie.201502066] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2015] [Revised: 03/31/2015] [Indexed: 12/31/2022]
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Vyborna Y, Vybornyi M, Rudnev AV, Häner R. DNA-Grafted Supramolecular Polymers: Helical Ribbon Structures Formed by Self-Assembly of Pyrene-DNA Chimeric Oligomers. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201502066] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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34
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Winiger CB, Langenegger SM, Calzaferri G, Häner R. Formation of Two Homo-chromophoric H-Aggregates in DNA-Assembled Alternating Dye Stacks. Angew Chem Int Ed Engl 2015; 54:3643-7. [DOI: 10.1002/anie.201410041] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2014] [Revised: 11/18/2014] [Indexed: 12/21/2022]
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35
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Winiger CB, Langenegger SM, Calzaferri G, Häner R. Formation of Two Homo-chromophoric H-Aggregates in DNA-Assembled Alternating Dye Stacks. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201410041] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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36
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Winiger CB, Li S, Kumar GR, Langenegger SM, Häner R. Elektronischer Energietransfer über lange Distanzen in lichtsammelnden supramolekularen Polymeren. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201407968] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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37
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Winiger CB, Li S, Kumar GR, Langenegger SM, Häner R. Long-Distance Electronic Energy Transfer in Light-Harvesting Supramolecular Polymers. Angew Chem Int Ed Engl 2014; 53:13609-13. [DOI: 10.1002/anie.201407968] [Citation(s) in RCA: 75] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2014] [Revised: 09/24/2014] [Indexed: 11/08/2022]
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