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951
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Woller T, Contreras-García J, Geerlings P, De Proft F, Alonso M. Understanding the molecular switching properties of octaphyrins. Phys Chem Chem Phys 2016; 18:11885-900. [DOI: 10.1039/c5cp07413d] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Triggering Hückel–Möbius topological and aromaticity switches in octaphyrins by protonation and redox reactions.
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Affiliation(s)
- T. Woller
- Eenheid Algemene Chemie (ALGC)
- Vrije Universiteit Brussel (VUB)
- 1050 Brussels
- Belgium
| | - J. Contreras-García
- Sorbonne Universités
- UPMC Univ Paris 06
- UMR 7616
- Laboratoire de Chimie Théorique
- Paris
| | - P. Geerlings
- Eenheid Algemene Chemie (ALGC)
- Vrije Universiteit Brussel (VUB)
- 1050 Brussels
- Belgium
| | - Frank De Proft
- Eenheid Algemene Chemie (ALGC)
- Vrije Universiteit Brussel (VUB)
- 1050 Brussels
- Belgium
| | - M. Alonso
- Eenheid Algemene Chemie (ALGC)
- Vrije Universiteit Brussel (VUB)
- 1050 Brussels
- Belgium
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952
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Castellanos Caro R, dos Santos MC. Strain-induced spin crossover and spin-polarized currents in a prototype graphene nanoribbon. Phys Chem Chem Phys 2016; 18:16451-6. [DOI: 10.1039/c6cp02000c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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953
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Mazaheripour A, Dibble DJ, Umerani MJ, Park YS, Lopez R, Laidlaw D, Vargas E, Ziller JW, Gorodetsky AA. An Aza-Diels–Alder Approach to Crowded Benzoquinolines. Org Lett 2015; 18:156-9. [DOI: 10.1021/acs.orglett.5b02939] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Amir Mazaheripour
- Department
of Chemical Engineering and Materials Science, University of California, Irvine, Irvine, California 92697, United States
| | - David J. Dibble
- Department
of Chemical Engineering and Materials Science, University of California, Irvine, Irvine, California 92697, United States
| | - Mehran J. Umerani
- Department
of Chemical Engineering and Materials Science, University of California, Irvine, Irvine, California 92697, United States
| | - Young S. Park
- Department
of Chemical Engineering and Materials Science, University of California, Irvine, Irvine, California 92697, United States
| | - Robert Lopez
- Department
of Chemistry, University of California, Irvine, Irvine, California 92697, United States
| | - Dylan Laidlaw
- Department
of Chemistry, University of California, Irvine, Irvine, California 92697, United States
| | - Eriberto Vargas
- Department
of Chemical Engineering and Materials Science, University of California, Irvine, Irvine, California 92697, United States
| | - Joseph W. Ziller
- Department
of Chemistry, University of California, Irvine, Irvine, California 92697, United States
| | - Alon A. Gorodetsky
- Department
of Chemical Engineering and Materials Science, University of California, Irvine, Irvine, California 92697, United States
- Department
of Chemistry, University of California, Irvine, Irvine, California 92697, United States
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954
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Daigle M, Picard-Lafond A, Soligo E, Morin JF. Regioselective Synthesis of Nanographenes by Photochemical Cyclodehydrochlorination. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201509130] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Maxime Daigle
- Département de chimie and Centre de Recherche sur les Matériaux Avancés (CERMA); Université Laval; 1045 Ave de la Médecine Québec G1V 0A6 Canada
| | - Audrey Picard-Lafond
- Département de chimie and Centre de Recherche sur les Matériaux Avancés (CERMA); Université Laval; 1045 Ave de la Médecine Québec G1V 0A6 Canada
| | - Eliane Soligo
- Département de chimie and Centre de Recherche sur les Matériaux Avancés (CERMA); Université Laval; 1045 Ave de la Médecine Québec G1V 0A6 Canada
| | - Jean-François Morin
- Département de chimie and Centre de Recherche sur les Matériaux Avancés (CERMA); Université Laval; 1045 Ave de la Médecine Québec G1V 0A6 Canada
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955
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Daigle M, Picard-Lafond A, Soligo E, Morin JF. Regioselective Synthesis of Nanographenes by Photochemical Cyclodehydrochlorination. Angew Chem Int Ed Engl 2015; 55:2042-7. [DOI: 10.1002/anie.201509130] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Indexed: 02/04/2023]
Affiliation(s)
- Maxime Daigle
- Département de chimie and Centre de Recherche sur les Matériaux Avancés (CERMA); Université Laval; 1045 Ave de la Médecine Québec G1V 0A6 Canada
| | - Audrey Picard-Lafond
- Département de chimie and Centre de Recherche sur les Matériaux Avancés (CERMA); Université Laval; 1045 Ave de la Médecine Québec G1V 0A6 Canada
| | - Eliane Soligo
- Département de chimie and Centre de Recherche sur les Matériaux Avancés (CERMA); Université Laval; 1045 Ave de la Médecine Québec G1V 0A6 Canada
| | - Jean-François Morin
- Département de chimie and Centre de Recherche sur les Matériaux Avancés (CERMA); Université Laval; 1045 Ave de la Médecine Québec G1V 0A6 Canada
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956
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Han P, Akagi K, Federici Canova F, Shimizu R, Oguchi H, Shiraki S, Weiss PS, Asao N, Hitosugi T. Self-Assembly Strategy for Fabricating Connected Graphene Nanoribbons. ACS NANO 2015; 9:12035-44. [PMID: 26588477 DOI: 10.1021/acsnano.5b04879] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
We use self-assembly to fabricate and to connect precise graphene nanoribbons end to end. Combining scanning tunneling microscopy, Raman spectroscopy, and density functional theory, we characterize the chemical and electronic aspects of the interconnections between ribbons. We demonstrate how the substrate effects of our self-assembly can be exploited to fabricate graphene structures connected to desired electrodes.
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Affiliation(s)
- Patrick Han
- Advanced Institute for Materials Research (AIMR), Tohoku University , Sendai 980-8577, Japan
- California NanoSystems Institute and Departments of Chemistry and Biochemistry and Materials Science and Engineering, University of California, Los Angeles , Los Angeles, California 90095, United States
| | - Kazuto Akagi
- Advanced Institute for Materials Research (AIMR), Tohoku University , Sendai 980-8577, Japan
| | | | - Ryota Shimizu
- Advanced Institute for Materials Research (AIMR), Tohoku University , Sendai 980-8577, Japan
| | - Hiroyuki Oguchi
- Micro System Integration Center (μSIC) and Department of Nanomechamics, Tohoku University , Sendai 980-0879, Japan
| | - Susumu Shiraki
- Advanced Institute for Materials Research (AIMR), Tohoku University , Sendai 980-8577, Japan
| | - Paul S Weiss
- Advanced Institute for Materials Research (AIMR), Tohoku University , Sendai 980-8577, Japan
- California NanoSystems Institute and Departments of Chemistry and Biochemistry and Materials Science and Engineering, University of California, Los Angeles , Los Angeles, California 90095, United States
| | - Naoki Asao
- Advanced Institute for Materials Research (AIMR), Tohoku University , Sendai 980-8577, Japan
| | - Taro Hitosugi
- Advanced Institute for Materials Research (AIMR), Tohoku University , Sendai 980-8577, Japan
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957
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Hammer BAG, Müllen K. Dimensional Evolution of Polyphenylenes: Expanding in All Directions. Chem Rev 2015; 116:2103-40. [DOI: 10.1021/acs.chemrev.5b00515] [Citation(s) in RCA: 100] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Brenton A. G. Hammer
- Max Planck Institute for Polymer Research, Ackermannweg
10, 55128, Mainz, Germany
| | - Klaus Müllen
- Max Planck Institute for Polymer Research, Ackermannweg
10, 55128, Mainz, Germany
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958
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Miyamoto F, Nakatsuka S, Yamada K, Nakayama KI, Hatakeyama T. Synthesis of Boron-Doped Polycyclic Aromatic Hydrocarbons by Tandem Intramolecular Electrophilic Arene Borylation. Org Lett 2015; 17:6158-61. [DOI: 10.1021/acs.orglett.5b03167] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Fumiya Miyamoto
- School
of Science and Technology, Kwansei Gakuin University, Gakuen 2-1, Sanda, Hyogo 669-1337, Japan
| | - Soichiro Nakatsuka
- School
of Science and Technology, Kwansei Gakuin University, Gakuen 2-1, Sanda, Hyogo 669-1337, Japan
| | - Keitaro Yamada
- Graduate
School of Science and Engineering, Yamagata University, 4-3-16, Jonan, Yonezawa, Yamagata 992-8510, Japan
| | - Ken-ichi Nakayama
- Graduate
School of Science and Engineering, Yamagata University, 4-3-16, Jonan, Yonezawa, Yamagata 992-8510, Japan
| | - Takuji Hatakeyama
- School
of Science and Technology, Kwansei Gakuin University, Gakuen 2-1, Sanda, Hyogo 669-1337, Japan
- Elements
Strategy Initiative for Catalysts and Batteries, Kyoto University, Katsura, Kyoto 615-8520, Japan
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959
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Rogers C, Chen C, Pedramrazi Z, Omrani AA, Tsai H, Jung HS, Lin S, Crommie MF, Fischer FR. Closing the Nanographene Gap: Surface‐Assisted Synthesis of Peripentacene from 6,6′‐Bipentacene Precursors. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201507104] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Cameron Rogers
- Department of Chemistry, University of California Berkeley, 699 Tan Hall, Berkeley, CA 94720 (USA)
| | - Chen Chen
- Department of Physics, University of California Berkeley, 345 Birge Hall, Berkeley, CA 94720 (USA)
| | - Zahra Pedramrazi
- Department of Physics, University of California Berkeley, 345 Birge Hall, Berkeley, CA 94720 (USA)
| | - Arash A. Omrani
- Department of Physics, University of California Berkeley, 345 Birge Hall, Berkeley, CA 94720 (USA)
| | - Hsin‐Zon Tsai
- Department of Physics, University of California Berkeley, 345 Birge Hall, Berkeley, CA 94720 (USA)
| | - Han Sae Jung
- Department of Physics, University of California Berkeley, 345 Birge Hall, Berkeley, CA 94720 (USA)
| | - Song Lin
- Department of Chemistry, University of California Berkeley, 699 Tan Hall, Berkeley, CA 94720 (USA)
- Chemical Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720 (USA)
| | - Michael F. Crommie
- Department of Physics, University of California Berkeley, 345 Birge Hall, Berkeley, CA 94720 (USA)
- Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720 (USA)
- Kavli Energy NanoSciences Institute at the University of California Berkeley and the Lawrence Berkeley National Laboratory, Berkeley, CA 94720 (USA)
| | - Felix R. Fischer
- Department of Chemistry, University of California Berkeley, 699 Tan Hall, Berkeley, CA 94720 (USA)
- Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720 (USA)
- Kavli Energy NanoSciences Institute at the University of California Berkeley and the Lawrence Berkeley National Laboratory, Berkeley, CA 94720 (USA)
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960
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Rogers C, Chen C, Pedramrazi Z, Omrani AA, Tsai HZ, Jung HS, Lin S, Crommie MF, Fischer FR. Closing the Nanographene Gap: Surface-Assisted Synthesis of Peripentacene from 6,6′-Bipentacene Precursors. Angew Chem Int Ed Engl 2015; 54:15143-6. [DOI: 10.1002/anie.201507104] [Citation(s) in RCA: 105] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Revised: 09/08/2015] [Indexed: 11/09/2022]
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961
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Ru-Catalyzed Benzannulation Leads to Luminescent Boron-Containing Polycyclic Aromatic Hydrocarbons. Org Lett 2015; 17:5240-3. [DOI: 10.1021/acs.orglett.5b02604] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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962
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Żyła M, Gońka E, Chmielewski PJ, Cybińska J, Stępień M. Synthesis of a peripherally conjugated 5-6-7 nanographene. Chem Sci 2015; 7:286-294. [PMID: 29861982 PMCID: PMC5952525 DOI: 10.1039/c5sc03280f] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Accepted: 09/28/2015] [Indexed: 12/20/2022] Open
Abstract
![]() Expansion of heteroaromatic nanographenes via 5-6-7 fusion enhances their NIR absorption and emission properties.
A heteroaromatic nanographene containing a unique assembly of five-, six- and seven-membered rings is synthesized using oxidative coupling of an indole-containing precursor. Near-infrared absorption and emission properties of the nanographene core are enhanced by peripheral expansion and ring fusion at all oxidation levels. The dicationic state shows distinct aromaticity originating from a peripheral π-conjugated circuit. A partially coupled intermediate, trapped in the synthesis of the 5-6-7 nanographene, is explored as a reference system, showing an unexpected reduction of the optical band gap due to intramolecular charge transfer.
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Affiliation(s)
- Marika Żyła
- Wydział Chemii , Uniwersytet Wrocławski , ul. F. Joliot-Curie 14 , 50-383 Wrocław , Poland .
| | - Elżbieta Gońka
- Wydział Chemii , Uniwersytet Wrocławski , ul. F. Joliot-Curie 14 , 50-383 Wrocław , Poland .
| | - Piotr J Chmielewski
- Wydział Chemii , Uniwersytet Wrocławski , ul. F. Joliot-Curie 14 , 50-383 Wrocław , Poland .
| | - Joanna Cybińska
- Wydział Chemii , Uniwersytet Wrocławski , ul. F. Joliot-Curie 14 , 50-383 Wrocław , Poland . .,Department of Nanotechnology , Wrocław Research Centre EIT+ , ul. Stabłowicka 147 , 54-066 Wrocław , Poland
| | - Marcin Stępień
- Wydział Chemii , Uniwersytet Wrocławski , ul. F. Joliot-Curie 14 , 50-383 Wrocław , Poland .
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963
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Zhang D, Wang G, Li R, Li X, Xiang Y, Zhang Z, Jin W. Synthesis and characterization of pyrimidine-containing hexaarylbenzene derivatives. RSC Adv 2015. [DOI: 10.1039/c5ra18422c] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Three claw-shaped hexaarylbenzene derivatives containing pyrimidines have been synthesized by cobalt-catalyzed corresponding tolan derivatives.
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Affiliation(s)
- Dengqing Zhang
- College of Chemistry
- Chemical Engineering and Biotechnology
- Donghua University
- Shanghai 201620
- P. R. China
| | - Gang Wang
- College of Chemistry
- Chemical Engineering and Biotechnology
- Donghua University
- Shanghai 201620
- P. R. China
| | - Rong Li
- College of Chemistry
- Chemical Engineering and Biotechnology
- Donghua University
- Shanghai 201620
- P. R. China
| | - Xianying Li
- School of Environmental Science and Engineering
- Donghua University
- Shanghai 201620
- P. R. China
| | - Yunjie Xiang
- College of Chemistry
- Chemical Engineering and Biotechnology
- Donghua University
- Shanghai 201620
- P. R. China
| | - Zhen Zhang
- College of Chemistry
- Chemical Engineering and Biotechnology
- Donghua University
- Shanghai 201620
- P. R. China
| | - Wusong Jin
- College of Chemistry
- Chemical Engineering and Biotechnology
- Donghua University
- Shanghai 201620
- P. R. China
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