1
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Chen S, Katsonis N, Leigh DA, Patanapongpibul M, Ryabchun A, Zhang L. Changing Liquid Crystal Helical Pitch with a Reversible Rotaxane Switch. Angew Chem Int Ed Engl 2024; 63:e202401291. [PMID: 38445723 DOI: 10.1002/anie.202401291] [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: 01/18/2024] [Revised: 03/05/2024] [Accepted: 03/06/2024] [Indexed: 03/07/2024]
Abstract
The transmission of chiral information between the molecular, meso and microscopic scales is a facet of biology that remains challenging to understand mechanistically and to mimic with artificial systems. Here we demonstrate that the dynamic change in the expression of the chirality of a rotaxane can be transduced into a change in pitch of a soft matter system. Shuttling the position of the macrocycle from far-away-from to close-to a point-chiral center on the rotaxane axle changes the expression of the chiral information that is transmitted across length scales; from nanometer scale constitutional chirality that affects the conformation of the macrocycle, to the centimeter scale chirality of the liquid crystal phase, significantly changing the pitch length of the chiral nematic structure.
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Affiliation(s)
- Sujun Chen
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, P. R. China
| | - Nathalie Katsonis
- Stratingh Institute for Chemistry, University of Groningen, 9747 AG, Groningen, The Netherlands
| | - David A Leigh
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, P. R. China
- Department of Chemistry, University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - Manee Patanapongpibul
- Stratingh Institute for Chemistry, University of Groningen, 9747 AG, Groningen, The Netherlands
| | - Alexander Ryabchun
- Stratingh Institute for Chemistry, University of Groningen, 9747 AG, Groningen, The Netherlands
| | - Liang Zhang
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, P. R. China
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2
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Hamaguchi K, Lu H, Okamura S, Kajiyama S, Uchida J, Sato S, Watanabe G, Ishii Y, Washizu H, Ungar G, Kato T. Reentrant 2D Nanostructured Liquid Crystals by Competition between Molecular Packing and Conformation: Potential Design for Multistep Switching of Ionic Conductivity. Chemphyschem 2023; 24:e202200927. [PMID: 36594677 DOI: 10.1002/cphc.202200927] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 12/25/2022] [Accepted: 01/02/2023] [Indexed: 01/04/2023]
Abstract
Reentrant phenomena in soft matter and biosystems have attracted considerable attention because their properties are closely related to high functionality. Here, we report a combined experimental and computational study on the self-assembly and reentrant behavior of a single-component thermotropic smectic liquid crystal toward the realization of dynamically functional materials. We have designed and synthesized a mesogenic molecule consisting of an alicyclic trans,trans-bicyclohexyl mesogen and a polar cyclic carbonate group connected by a flexible tetra(oxyethylene) spacer. The molecule exhibits an unprecedented sequence of layered smectic phases, in the order: smectic A-smectic B-reentrant smectic A. Electron density profiles and large-scale molecular dynamics simulations indicate that competition between the stacking of bicyclohexyl mesogens and the conformational flexibility of tetra(oxyethylene) chains induces this unusual reentrant behavior. Ion-conductive reentrant liquid-crystalline materials have been developed, which undergo the multistep conductivity changes in response to temperature. The reentrant liquid crystals have potential as new mesogenic materials exhibiting switching functions.
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Affiliation(s)
- Kazuma Hamaguchi
- Department of Chemistry and Biotechnology School of Engineering, The University of Tokyo Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Huanjun Lu
- Jiangsu Key Laboratory of Micro and Nano Heat Fluid Flow Technology and Energy Application School of Physical Science and Technology, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Shota Okamura
- Department of Chemistry and Biotechnology School of Engineering, The University of Tokyo Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Satoshi Kajiyama
- Department of Chemistry and Biotechnology School of Engineering, The University of Tokyo Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Junya Uchida
- Department of Chemistry and Biotechnology School of Engineering, The University of Tokyo Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Shunsuke Sato
- Department of Physics, School of Science, Kitasato University Kitasato, Minami-ku, Sagamihara, Kanagawa, 252-0373, Japan
| | - Go Watanabe
- Department of Physics, School of Science, Kitasato University Kitasato, Minami-ku, Sagamihara, Kanagawa, 252-0373, Japan
| | - Yoshiki Ishii
- Graduate School of Information Science, University of Hyogo Minatojima-Minamimachi, Chuo-ku, Kobe, Hyogo, 650-0047, Japan
| | - Hitoshi Washizu
- Graduate School of Information Science, University of Hyogo Minatojima-Minamimachi, Chuo-ku, Kobe, Hyogo, 650-0047, Japan
| | - Goran Ungar
- State Key Laboratory for Mechanical Behavior of Materials Shaanxi International Research Center for Soft Matter, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Takashi Kato
- Department of Chemistry and Biotechnology School of Engineering, The University of Tokyo Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan.,Research Initiative for Supra-Materials, Shinshu University Wakasato, Nagano, 380-8553, Japan
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3
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Yao Y, Deng Y, Kong L, Au-Yeung HY. Efficient Copper(I) Extraction by Ethylenediamine from Stable Catenane Complexes. Eur J Inorg Chem 2022. [DOI: 10.1002/ejic.202200271] [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]
Affiliation(s)
| | - Yulin Deng
- University of Hong Kong Chemistry HONG KONG
| | | | - Ho Yu Au-Yeung
- The University of Hong Kong Department of Chemistry Chong Yuet Ming Chemistry BuildingPokfulam Road NA Hong Kong HONG KONG
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4
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Kato T, Uchida J, Ichikawa T, Sakamoto T. Von funktionellen Flüssigkristallen zur nächsten Generation von Materialien. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201711163] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Takashi Kato
- Department of Chemistry and Biotechnology, School of Engineering The University of Tokyo Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Junya Uchida
- Department of Chemistry and Biotechnology, School of Engineering The University of Tokyo Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Takahiro Ichikawa
- Department of Biotechnology Tokyo University of Agriculture and Technology, Nakacho Koganei Tokyo 184-8588 Japan
- PRESTO (Japan) Science and Technology Agency (JST) 4-1-8 Honcho Kawaguchi 332-0012 Japan
| | - Takeshi Sakamoto
- Department of Chemistry and Biotechnology, School of Engineering The University of Tokyo Hongo Bunkyo-ku Tokyo 113-8656 Japan
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5
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Kato T, Uchida J, Ichikawa T, Sakamoto T. Functional Liquid Crystals towards the Next Generation of Materials. Angew Chem Int Ed Engl 2018. [PMID: 29534321 DOI: 10.1002/anie.201711163] [Citation(s) in RCA: 238] [Impact Index Per Article: 39.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Since the discovery of the liquid-crystalline state in 1888, liquid crystal science has made great advances through fusion with various technologies and disciplines. Recently, new molecular design strategies and new self-assembled structures have been developed as a result of the progress made in synthetic procedures and characterization techniques. Since these liquid crystals exhibit new functions and properties derived from their nanostructures and alignment, a variety of new functions for liquid crystals, such as transport for energy applications, separation for environmental applications, chromism, sensing, electrooptical effects, actuation, and templating have been proposed. This Review presents recent advances of liquid crystals that should contribute to the next generation of materials.
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Affiliation(s)
- Takashi Kato
- Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Junya Uchida
- Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Takahiro Ichikawa
- Department of Biotechnology, Tokyo University of Agriculture and Technology, Nakacho, Koganei, Tokyo, 184-8588, Japan.,PRESTO (Japan) Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, 332-0012, Japan
| | - Takeshi Sakamoto
- Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
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Kawano SI, Kato M, Soumiya S, Nakaya M, Onoe J, Tanaka K. Columnar Liquid Crystals from a Giant Macrocycle Mesogen. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201709542] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Shin-ichiro Kawano
- Department of Chemistry; Graduate School of Science; Nagoya University; Furo-cho Chikusa-ku Nagoya 464-8602 Japan
| | - Masahiro Kato
- Department of Chemistry; Graduate School of Science; Nagoya University; Furo-cho Chikusa-ku Nagoya 464-8602 Japan
| | - Shinya Soumiya
- Department of Chemistry; Graduate School of Science; Nagoya University; Furo-cho Chikusa-ku Nagoya 464-8602 Japan
| | - Masato Nakaya
- Department of Energy Engineering; Graduate School of Engineering; Nagoya University; Furo-cho Chikusa-ku Nagoya 464-8603 Japan
| | - Jun Onoe
- Department of Energy Engineering; Graduate School of Engineering; Nagoya University; Furo-cho Chikusa-ku Nagoya 464-8603 Japan
| | - Kentaro Tanaka
- Department of Chemistry; Graduate School of Science; Nagoya University; Furo-cho Chikusa-ku Nagoya 464-8602 Japan
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7
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Kawano SI, Kato M, Soumiya S, Nakaya M, Onoe J, Tanaka K. Columnar Liquid Crystals from a Giant Macrocycle Mesogen. Angew Chem Int Ed Engl 2017; 57:167-171. [DOI: 10.1002/anie.201709542] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Revised: 11/07/2017] [Indexed: 11/07/2022]
Affiliation(s)
- Shin-ichiro Kawano
- Department of Chemistry; Graduate School of Science; Nagoya University; Furo-cho Chikusa-ku Nagoya 464-8602 Japan
| | - Masahiro Kato
- Department of Chemistry; Graduate School of Science; Nagoya University; Furo-cho Chikusa-ku Nagoya 464-8602 Japan
| | - Shinya Soumiya
- Department of Chemistry; Graduate School of Science; Nagoya University; Furo-cho Chikusa-ku Nagoya 464-8602 Japan
| | - Masato Nakaya
- Department of Energy Engineering; Graduate School of Engineering; Nagoya University; Furo-cho Chikusa-ku Nagoya 464-8603 Japan
| | - Jun Onoe
- Department of Energy Engineering; Graduate School of Engineering; Nagoya University; Furo-cho Chikusa-ku Nagoya 464-8603 Japan
| | - Kentaro Tanaka
- Department of Chemistry; Graduate School of Science; Nagoya University; Furo-cho Chikusa-ku Nagoya 464-8602 Japan
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Uchida J, Yoshio M, Sato S, Yokoyama H, Fujita M, Kato T. Self‐Assembly of Giant Spherical Liquid‐Crystalline Complexes and Formation of Nanostructured Dynamic Gels that Exhibit Self‐Healing Properties. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201707740] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Junya Uchida
- Department of Chemistry and Biotechnology School of Engineering The University of Tokyo Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Masafumi Yoshio
- Department of Chemistry and Biotechnology School of Engineering The University of Tokyo Hongo Bunkyo-ku Tokyo 113-8656 Japan
- Current address: Semiconductor Nano-interfaces Group, Research Center for Functional Materials National Institute for Materials Science Namiki, Tsukuba Ibaraki 305-0044 Japan
| | - Sota Sato
- Department of Applied Chemistry School of Engineering The University of Tokyo Hongo Bunkyo-ku Tokyo 113-8656 Japan
- WPI-AIMR, Department of Chemistry and JST ERATO Tohoku University Katahira, Aoba-ku Sendai 980-8577 Japan
- Current address: Department of Chemistry School of Science and JST ERATO The University of Tokyo Hongo Bunkyo-ku Tokyo 113-0033 Japan
| | - Hiroyuki Yokoyama
- Department of Applied Chemistry School of Engineering The University of Tokyo Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Makoto Fujita
- Department of Applied Chemistry School of Engineering The University of Tokyo Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Takashi Kato
- Department of Chemistry and Biotechnology School of Engineering The University of Tokyo Hongo Bunkyo-ku Tokyo 113-8656 Japan
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9
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Uchida J, Yoshio M, Sato S, Yokoyama H, Fujita M, Kato T. Self‐Assembly of Giant Spherical Liquid‐Crystalline Complexes and Formation of Nanostructured Dynamic Gels that Exhibit Self‐Healing Properties. Angew Chem Int Ed Engl 2017; 56:14085-14089. [DOI: 10.1002/anie.201707740] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Indexed: 12/28/2022]
Affiliation(s)
- Junya Uchida
- Department of Chemistry and Biotechnology School of Engineering The University of Tokyo Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Masafumi Yoshio
- Department of Chemistry and Biotechnology School of Engineering The University of Tokyo Hongo Bunkyo-ku Tokyo 113-8656 Japan
- Current address: Semiconductor Nano-interfaces Group, Research Center for Functional Materials National Institute for Materials Science Namiki, Tsukuba Ibaraki 305-0044 Japan
| | - Sota Sato
- Department of Applied Chemistry School of Engineering The University of Tokyo Hongo Bunkyo-ku Tokyo 113-8656 Japan
- WPI-AIMR, Department of Chemistry and JST ERATO Tohoku University Katahira, Aoba-ku Sendai 980-8577 Japan
- Current address: Department of Chemistry School of Science and JST ERATO The University of Tokyo Hongo Bunkyo-ku Tokyo 113-0033 Japan
| | - Hiroyuki Yokoyama
- Department of Applied Chemistry School of Engineering The University of Tokyo Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Makoto Fujita
- Department of Applied Chemistry School of Engineering The University of Tokyo Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Takashi Kato
- Department of Chemistry and Biotechnology School of Engineering The University of Tokyo Hongo Bunkyo-ku Tokyo 113-8656 Japan
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10
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Kawano SI, Hamazaki T, Suzuki A, Kurahashi K, Tanaka K. Metal-Ion-Induced Switch of Liquid-Crystalline Orientation of Metallomacrocycles. Chemistry 2016; 22:15674-15683. [DOI: 10.1002/chem.201601941] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Indexed: 11/07/2022]
Affiliation(s)
- Shin-ichiro Kawano
- Department of Chemistry; Graduate School of Science; Nagoya University; Nagoya 464-8602 Japan
| | - Takashi Hamazaki
- Department of Chemistry; Graduate School of Science; Nagoya University; Nagoya 464-8602 Japan
| | - Atsushi Suzuki
- Department of Chemistry; Graduate School of Science; Nagoya University; Nagoya 464-8602 Japan
| | - Kenshin Kurahashi
- Department of Chemistry; Graduate School of Science; Nagoya University; Nagoya 464-8602 Japan
| | - Kentaro Tanaka
- Department of Chemistry; Graduate School of Science; Nagoya University; Nagoya 464-8602 Japan
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11
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Wang Y, Cabry CP, Xiao M, Male L, Cowling SJ, Bruce DW, Shi J, Zhu W, Baranoff E. Blue and Green Phosphorescent Liquid-Crystalline Iridium Complexes with High Hole Mobility. Chemistry 2015; 22:1618-21. [DOI: 10.1002/chem.201504669] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2015] [Indexed: 11/08/2022]
Affiliation(s)
- Yafei Wang
- School of Chemistry; University of Birmingham; Birmingham B15 2TT (UK
- Department of Chemistry; Key Lab of Environment-Friendly Chemistry and Application in the Ministry of Education, Xiangtan University; Xiangtan 411105 (P.R. China
| | | | - ManJun Xiao
- Department of Chemistry; Key Lab of Environment-Friendly Chemistry and Application in the Ministry of Education, Xiangtan University; Xiangtan 411105 (P.R. China
| | - Louise Male
- School of Chemistry; University of Birmingham; Birmingham B15 2TT (UK
| | - Stephen J. Cowling
- Department of Chemistry; University of York; Heslington, York YO10 5DD (UK
| | - Duncan W. Bruce
- Department of Chemistry; University of York; Heslington, York YO10 5DD (UK
| | - Junwei Shi
- Department of Chemistry; Key Lab of Environment-Friendly Chemistry and Application in the Ministry of Education, Xiangtan University; Xiangtan 411105 (P.R. China
| | - Weiguo Zhu
- Department of Chemistry; Key Lab of Environment-Friendly Chemistry and Application in the Ministry of Education, Xiangtan University; Xiangtan 411105 (P.R. China
| | - Etienne Baranoff
- School of Chemistry; University of Birmingham; Birmingham B15 2TT (UK
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12
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Le Poul N, Colasson B. Electrochemically and Chemically Induced Redox Processes in Molecular Machines. ChemElectroChem 2015. [DOI: 10.1002/celc.201402399] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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13
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Implementing Liquid-Crystalline Properties in Single-Stranded Dinuclear Lanthanide Helicates. Eur J Inorg Chem 2013. [DOI: 10.1002/ejic.201300176] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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14
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Chang HC, Kiriya D. Synchronic Transformations of Molecular States and Macroscopic Phases in Valence-Tautomeric Complexes. Eur J Inorg Chem 2012. [DOI: 10.1002/ejic.201201087] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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15
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Coskun A, Hmadeh M, Barin G, Gándara F, Li Q, Choi E, Strutt NL, Cordes DB, Slawin AMZ, Stoddart JF, Sauvage JP, Yaghi OM. Metal-organic frameworks incorporating copper-complexed rotaxanes. Angew Chem Int Ed Engl 2012; 51:2160-3. [PMID: 22266928 PMCID: PMC3517002 DOI: 10.1002/anie.201107873] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2011] [Indexed: 11/09/2022]
Abstract
MOFs on the move: A copper coordinated [2]pseudorotaxanate which reacts with zinc nitrate to form an extended structure, consisting of three-fold interpenetrated networks, retains most of its solution-state chemistry including its ability to undergo electronic switching of some of the copper(I) ions under redox control.
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Affiliation(s)
- Ali Coskun
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208 (USA)
- NanoCentury KAIST Institute and Graduate School of EEWS (WCU), Korea Advanced Institute of Science and Technology (KAIST), 373-1 Guseong Dong, Yuseong Gu, Daejeon 305-701 (Republic of Korea)
| | - Mohamad Hmadeh
- Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, CA 90095 (USA)
| | - Gokhan Barin
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208 (USA)
| | - Felipe Gándara
- Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, CA 90095 (USA)
| | - Qiaowei Li
- Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, CA 90095 (USA)
| | - Eunwoo Choi
- Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, CA 90095 (USA)
| | - Nathan L. Strutt
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208 (USA)
| | - David B. Cordes
- School of Chemistry and Centre for Bimolecular Sciences, University of St. Andrews, North Haugh, St. Andrews, KY16 9ST (UK)
| | - Alexandra M. Z. Slawin
- School of Chemistry and Centre for Bimolecular Sciences, University of St. Andrews, North Haugh, St. Andrews, KY16 9ST (UK), Fax: (+44) 01334-467280,
| | - J. Fraser Stoddart
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208 (USA)
- NanoCentury KAIST Institute and Graduate School of EEWS (WCU), Korea Advanced Institute of Science and Technology (KAIST), 373-1 Guseong Dong, Yuseong Gu, Daejeon 305-701 (Republic of Korea)
| | - Jean-Pierre Sauvage
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208 (USA)
- Institut de Science et d'Ingénierie Supramoléculaires, Université de Strasbourg, 8 Allée Gaspard Monge, 67000 Strasbourg (France)
| | - Omar M. Yaghi
- Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, CA 90095 (USA)
- NanoCentury KAIST Institute and Graduate School of EEWS (WCU), Korea Advanced Institute of Science and Technology (KAIST), 373-1 Guseong Dong, Yuseong Gu, Daejeon 305-701 (Republic of Korea)
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16
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Coskun A, Hmadeh M, Barin G, Gándara F, Li Q, Choi E, Strutt NL, Cordes DB, Slawin AMZ, Stoddart JF, Sauvage JP, Yaghi OM. Metal-Organic Frameworks Incorporating Copper-Complexed Rotaxanes. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201107873] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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17
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Voignier J, Frey J, Kraus T, Buděšínský M, Cvačka J, Heitz V, Sauvage J. Transition‐Metal‐Complexed Cyclic [3]‐ and [4]Pseudorotaxanes Containing Rigid Ring‐and‐Filament Conjugates: Synthesis and Solution Studies. Chemistry 2011; 17:5404-14. [DOI: 10.1002/chem.201003592] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2010] [Indexed: 11/07/2022]
Affiliation(s)
- Julie Voignier
- Laboratoire de Chimie Organo‐Minérale, Institut de Chimie, Université de Strasbourg‐CNRS/UMR 7177, 4, rue Blaise Pascal, 67070 Strasbourg‐Cedex (France), Fax: (+33) 390‐241‐368
| | - Julien Frey
- Laboratoire de Chimie Organo‐Minérale, Institut de Chimie, Université de Strasbourg‐CNRS/UMR 7177, 4, rue Blaise Pascal, 67070 Strasbourg‐Cedex (France), Fax: (+33) 390‐241‐368
| | - Tomáš Kraus
- Institute of Organic Chemistry and Biochemistry AS CR, v.v.i. Flemingovo nám. 2, 166 10 Prague 6 (Czech Republic)
| | - Miloš Buděšínský
- Institute of Organic Chemistry and Biochemistry AS CR, v.v.i. Flemingovo nám. 2, 166 10 Prague 6 (Czech Republic)
| | - Josef Cvačka
- Institute of Organic Chemistry and Biochemistry AS CR, v.v.i. Flemingovo nám. 2, 166 10 Prague 6 (Czech Republic)
| | - Valérie Heitz
- Laboratoire de Chimie Organo‐Minérale, Institut de Chimie, Université de Strasbourg‐CNRS/UMR 7177, 4, rue Blaise Pascal, 67070 Strasbourg‐Cedex (France), Fax: (+33) 390‐241‐368
| | - Jean‐Pierre Sauvage
- Laboratoire de Chimie Organo‐Minérale, Institut de Chimie, Université de Strasbourg‐CNRS/UMR 7177, 4, rue Blaise Pascal, 67070 Strasbourg‐Cedex (France), Fax: (+33) 390‐241‐368
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Demortière A, Buathong S, Pichon BP, Panissod P, Guillon D, Bégin-Colin S, Donnio B. Nematic-like organization of magnetic mesogen-hybridized nanoparticles. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2010; 6:1341-1346. [PMID: 20486228 DOI: 10.1002/smll.201000285] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
A fluid nematic-like phase is induced in monodisperse iron oxide nanoparticles with a diameter of 3.3 nm. This supramolecular arrangement is governed by the covalent functionalization of the nanoparticle surface with cyanobiphenyl-based ligands as mesogenic promoters. The design and synthesis of these hybrid materials and the study of their mesogenic properties are reported. In addition, the modifications of the magnetic properties of the hybridized nanoparticles are investigated as a function of the different grafted ligands. Owing to the rather large interparticular distances (about 7 nm), the dipolar interaction between nanoparticles is shown to play only a minor role. Conversely, the surface magnetic anisotropy of the particles is significantly affected by the surface derivatization.
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Affiliation(s)
- Arnaud Demortière
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS), CNRS-Université de Strasbourg (UMR7504), Strasbourg Cedex 2, France
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Tramontozzi D, Suhan N, Eichhorn S, Loeb S. The Effect of Incorporating Fréchet Dendrons into Rotaxanes and Molecular Shuttles Containing the 1,2-Bis(pyridinium)ethane⊂[24]Crown-8 Templating Motif. Chemistry 2010; 16:4466-76. [DOI: 10.1002/chem.200903174] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2009] [Indexed: 11/07/2022]
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20
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Clustomesogens: Liquid Crystal Materials Containing Transition-Metal Clusters. Angew Chem Int Ed Engl 2010; 49:3351-5. [DOI: 10.1002/anie.201000325] [Citation(s) in RCA: 114] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Molard Y, Dorson F, Cîrcu V, Roisnel T, Artzner F, Cordier S. Clustomesogens: Liquid Crystal Materials Containing Transition-Metal Clusters. Angew Chem Int Ed Engl 2010. [DOI: 10.1002/ange.201000325] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Isoda K, Yasuda T, Kato T. Truxene-Based Columnar Liquid Crystals: Self-Assembled Structures and Electro-Active Properties. Chem Asian J 2009; 4:1619-25. [DOI: 10.1002/asia.200900038] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Megiatto J, Schuster D. “Click” Methodology for Synthesis of Functionalized [3]Catenanes: Toward Higher Interlocked Structures. Chemistry 2009; 15:5444-8. [DOI: 10.1002/chem.200900536] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Wang JY, Han JM, Yan J, Ma Y, Pei J. A mechanically interlocked [3]rotaxane as a light-harvesting antenna: synthesis, characterization, and intramolecular energy transfer. Chemistry 2009; 15:3585-94. [PMID: 19222070 DOI: 10.1002/chem.200802228] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
A mechanically interlocked light-harvesting system [3]rotaxane A has been synthesized in high yield through Cu(I)-catalyzed azide-alkyne cycloaddition; the hexyl-substituted truxene units are introduced into the wheels as donors and an oligo(para-phenylenevinylene) (OPV) unit into the axis as the acceptor. The structure and the purity of [3]rotaxane A were confirmed by (1)H and (13)C NMR spectroscopy and ESI HRMS. The azide-alkyne cycloaddition is demonstrated to be an efficient stoppering method in the synthesis of the rotaxane containing dibenzo[24]crown-8 and dibenzyl ammonium units. Detailed steady-state UV/Vis absorption, photoluminescent, and time-resolved fluorescence spectroscopy were performed to investigate the photophysical properties of [3]rotaxane A and its reference compounds in solution and as thin films. Even in dilute solution, efficient energy transfer from the truxene-functionalized wheels to the OPV-based axis, through the dibenzo[24]crown-8 and dibenzyl ammonium interaction, is observed in [3]rotaxane A. The unique topology of [3]rotaxane A not only efficiently promotes the intramolecular energy-transfer process, but also prevents intermolecular aggregation in the solid state. The new antenna system opens up the possibility of controllable light-harvesting molecular machines or other optoelectronic devices on the nanometer scale.
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Affiliation(s)
- Jie-Yu Wang
- Beijing National Laboratory for Molecular Sciences, The Key Laboratories of Bioorganic Chemistry and Molecular Engineering, and Polymer Chemistry and Physics of Ministry of Education, College of Chemistry, Peking University, Beijing, China
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Terazzi E, Bourgogne C, Welter R, Gallani JL, Guillon D, Rogez G, Donnio B. Single-Molecule Magnets with Mesomorphic Lamellar Ordering. Angew Chem Int Ed Engl 2008. [DOI: 10.1002/ange.200704460] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Terazzi E, Bourgogne C, Welter R, Gallani JL, Guillon D, Rogez G, Donnio B. Single-Molecule Magnets with Mesomorphic Lamellar Ordering. Angew Chem Int Ed Engl 2008; 47:490-5. [DOI: 10.1002/anie.200704460] [Citation(s) in RCA: 76] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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