1
|
Hurtado CS, Bastien G, Rončević I, Dračínský M, Tortorici T, Rogers CT, Michl J, Kaleta J. Regular arrays of C 60-based molecular rotors mounted on the surface of tris( o-phenylenedioxy)cyclotriphosphazene nanocrystals. Chem Commun (Camb) 2024; 60:960-963. [PMID: 37955197 DOI: 10.1039/d3cc04559e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2023]
Abstract
Dielectric spectroscopy has been used to determine the barriers of rotation of surface-mounted fullerenes (2.3 ± 0.1 and 4.3 ± 0.1 kcal mol-1). In order to achieve this, a C60 derivative equipped with an anchoring group designed to form a surface inclusion with the hexagonal form of tris(o-phenylenedioxy)cyclotriphosphazene (TPP) has been synthesized. Solid-state NMR analysis revealed that approximately 50% of the surface-mounted molecules have a chemical environment different from the others suggesting two distinct insertion modes. These observations correlate with results of DFT calculations.
Collapse
Affiliation(s)
- Carina Santos Hurtado
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nám. 2, 160 00, Prague 6, Czech Republic.
| | - Guillaume Bastien
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nám. 2, 160 00, Prague 6, Czech Republic.
| | - Igor Rončević
- Department of Chemistry, University of Oxford, Chemistry Research Laboratory, Oxford OX1 3TA, UK
| | - Martin Dračínský
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nám. 2, 160 00, Prague 6, Czech Republic.
| | - Teddy Tortorici
- Department of Physics, University of Colorado, Boulder, Colorado 80309, USA
| | - Charles T Rogers
- Department of Physics, University of Colorado, Boulder, Colorado 80309, USA
| | - Josef Michl
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nám. 2, 160 00, Prague 6, Czech Republic.
- Department of Chemistry and Biochemistry, University of Colorado, Boulder, Colorado 80309, USA
| | - Jiří Kaleta
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nám. 2, 160 00, Prague 6, Czech Republic.
| |
Collapse
|
2
|
Lyu X, Huang H, Tang Z, Luo L, Luo W, Yu Y, Shen Z, Fan XH, Zou Z. Efficient Access to 3D Mesoscopic Prisms in Polymeric Soft Materials. Macromol Rapid Commun 2021; 42:e2100064. [PMID: 33724599 DOI: 10.1002/marc.202100064] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 02/14/2021] [Indexed: 11/08/2022]
Abstract
The preparation of 3D functional isolated mesoscopic assemblies remains a challenge in the self-assembly of polymers. Here, well-defined 3D hexagonal and hexagram prisms with uniform dimensions are acquired by the crystallization of the inclusion complex composed of a crystalline molecule tris-o-phenylenedioxycyclotriphosphazene (TPP) and a block copolymer. The crystalline TPP plays an important role in the self-assembling process. The faceted morphologies of the hexagonal and hexagram prisms are infrequent in the self-assembly field of soft materials. The formation of the prisms experiences a 3D growth mechanism. The epitaxial growth, accompanied by the heterogeneous nucleation in the edges, yields the growth of inclusion crystals. This study provides a path to construct well-defined polymeric soft materials with broad utility based on numerous supramolecular complexes.
Collapse
Affiliation(s)
- Xiaolin Lyu
- Key Laboratory of Advanced Materials Technologies, College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Hanlin Huang
- Key Laboratory of Advanced Materials Technologies, College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Zhehao Tang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Longfei Luo
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Wenjun Luo
- Eco-materials and Renewable Energy Research Center, College of Engineering and Applied Sciences, Nanjing University, Nanjing, 210093, China
| | - Yan Yu
- Key Laboratory of Advanced Materials Technologies, College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Zhihao Shen
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Xing-He Fan
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Zhigang Zou
- Key Laboratory of Advanced Materials Technologies, College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China.,Eco-materials and Renewable Energy Research Center, College of Engineering and Applied Sciences, Nanjing University, Nanjing, 210093, China
| |
Collapse
|
3
|
Dračínský M, Hurtado CS, Masson E, Kaleta J. Stuffed pumpkins: mechanochemical synthesis of host-guest complexes with cucurbit[7]uril. Chem Commun (Camb) 2021; 57:2132-2135. [PMID: 33605291 DOI: 10.1039/d1cc00240f] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Solvent-free mechanochemical synthesis (ball-milling) was used to prepare inclusion complexes with cucurbit[7]uril and four model guest molecules (adamantane, adamantyl-1-amine hydrochloride, toluidine hydrochloride, and p-phenylenediamine dihydrochloride). Successful formation of individual inclusions was independently confirmed by one- and two-dimensional solid-state NMR techniques and differential scanning calorimetry. Mechanochemical synthesis represents an alternative path towards new types of cucurbit[n]uril/guest inclusion complexes that are not accessible due to limited solubility of the individual components.
Collapse
Affiliation(s)
- Martin Dračínský
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nám. 2, 160 00 Prague 6, Czech Republic.
| | - Carina Santos Hurtado
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nám. 2, 160 00 Prague 6, Czech Republic.
| | - Eric Masson
- Department of Chemistry and Biochemistry, Ohio University, Athens, Ohio 45701, USA
| | - Jiří Kaleta
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nám. 2, 160 00 Prague 6, Czech Republic.
| |
Collapse
|
4
|
Wen T, Zheng Z, Qiu L, Yuan J, Yin P. Uniform hybrid nanoribbons from unidirectional inclusion crystallization controlled by size-amphiphilic block copolymers. NANOSCALE 2020; 12:16884-16894. [PMID: 32766617 DOI: 10.1039/d0nr04567e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Herein, we suggest a unique approach to control the growth of hybrid crystals of silicotungstic acid (STA) by introducing a poly(ethylene oxide) (PEO)-containing block copolymer and a poly(methyl methacrylate)-b-poly(ethylene oxide)-b-poly(methyl methacrylate) block copolymer (MEM BCP). Remarkably, perfectly straight ribbon-like lamellae with a uniform width and a large length/width ratio (>200) can be obtained. The length of hybrid nanoribbons can be tuned by annealing time and temperature, whereas the width is dependent on the molecular weight of the PEO mid-block. The stability of hybrid nanoribbons has been investigated against solvent vapor, high temperatures and the presence of phosphotungstic acid (PTA). The formation of hybrid nanoribbons leads to enhanced mechanical properties and proton conductivities of STA hybrid nanocomposites. This effective approach will provide a representative strategy to the control of crystalline hybrid materials in the solid state.
Collapse
Affiliation(s)
- Tao Wen
- South China Advanced Institute for Soft Matter Science and Technology (AISMST), School of Molecular Science and Engineering (MoSE), South China University of Technology (SCUT), Guangzhou, 510640, China.
| | | | | | | | | |
Collapse
|
5
|
Zhu ZH, Wang HL, Zou HH, Liang FP. Metal hydrogen-bonded organic frameworks: structure and performance. Dalton Trans 2020; 49:10708-10723. [PMID: 32672293 DOI: 10.1039/d0dt01998d] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Although great progress has been made in the design, synthesis, and performance expansion of porous materials, new porous materials with stable structures still need to be explored further. In recent years, porous molecular crystals formed by intermolecular interactions have attracted wide attention from chemists, especially metal hydrogen-bonded organic frameworks (M-HOFs) formed by connecting metal complexes through hydrogen bonds. Metal complexes with specific properties (e.g., magnetism, luminescence, sensing, and catalysis) can expand and develop the application of M-HOFs further. However, the huge volume, irregular shape, complex coordination modes, and interference of coordination bonds pose certain challenges in the synthesis and performance expansion of M-HOFs. In this frontier, we summarize the latest progress in the use of 3d, 4d, and 4f metal complexes for the synthesis of M-HOFs, and briefly introduce the performance expansion of these M-HOFs, which is expected to help expand new porous materials with stable structures and specific functions.
Collapse
Affiliation(s)
- Zhong-Hong Zhu
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy of Guangxi Normal University, Guilin 541004, P. R. China.
| | - Hai-Ling Wang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy of Guangxi Normal University, Guilin 541004, P. R. China.
| | - Hua-Hong Zou
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy of Guangxi Normal University, Guilin 541004, P. R. China.
| | - Fu-Pei Liang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy of Guangxi Normal University, Guilin 541004, P. R. China. and Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, P. R. China
| |
Collapse
|
6
|
Santos Hurtado C, Bastien G, Mašát M, Štoček JR, Dračínský M, Rončević I, Císařová I, Rogers CT, Kaleta J. Regular Two-Dimensional Arrays of Surface-Mounted Molecular Switches: Switching Monitored by UV–vis and NMR Spectroscopy. J Am Chem Soc 2020; 142:9337-9351. [DOI: 10.1021/jacs.0c01753] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Carina Santos Hurtado
- Institute of Organic Chemistry and Biochemistry of the CAS, Flemingovo nám. 2, 166 10 Prague 6, Czech Republic
| | - Guillaume Bastien
- Institute of Organic Chemistry and Biochemistry of the CAS, Flemingovo nám. 2, 166 10 Prague 6, Czech Republic
| | - Milan Mašát
- Institute of Organic Chemistry and Biochemistry of the CAS, Flemingovo nám. 2, 166 10 Prague 6, Czech Republic
| | - Jakub Radek Štoček
- Institute of Organic Chemistry and Biochemistry of the CAS, Flemingovo nám. 2, 166 10 Prague 6, Czech Republic
| | - Martin Dračínský
- Institute of Organic Chemistry and Biochemistry of the CAS, Flemingovo nám. 2, 166 10 Prague 6, Czech Republic
| | - Igor Rončević
- Institute of Organic Chemistry and Biochemistry of the CAS, Flemingovo nám. 2, 166 10 Prague 6, Czech Republic
| | - Ivana Císařová
- Department of Inorganic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 2030, 128 40 Prague 2, Czech Republic
| | - Charles T. Rogers
- Department of Physics, University of Colorado, Boulder, Colorado 80309, United States
| | - Jiří Kaleta
- Institute of Organic Chemistry and Biochemistry of the CAS, Flemingovo nám. 2, 166 10 Prague 6, Czech Republic
| |
Collapse
|
7
|
Wen T, Qiu L, Zheng Z, Gong Y, Yuan J, Wang Y, Huang M, Yin P. Inclusion Crystallization of Silicotungstic Acid and Poly(ethylene oxide) and Its Impact on Proton Conductivities. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c00020] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Tao Wen
- South China Advanced Institute for Soft Matter Science and Technology (AISMST), School of Molecular Science and Engineering (MoSE), South China University of Technology (SCUT),Guangzhou 510640, China
| | - Lu Qiu
- South China Advanced Institute for Soft Matter Science and Technology (AISMST), School of Molecular Science and Engineering (MoSE), South China University of Technology (SCUT),Guangzhou 510640, China
| | - Zhao Zheng
- South China Advanced Institute for Soft Matter Science and Technology (AISMST), School of Molecular Science and Engineering (MoSE), South China University of Technology (SCUT),Guangzhou 510640, China
| | - Yuqing Gong
- South China Advanced Institute for Soft Matter Science and Technology (AISMST), School of Molecular Science and Engineering (MoSE), South China University of Technology (SCUT),Guangzhou 510640, China
| | - Jun Yuan
- South China Advanced Institute for Soft Matter Science and Technology (AISMST), School of Molecular Science and Engineering (MoSE), South China University of Technology (SCUT),Guangzhou 510640, China
| | - Yingying Wang
- South China Advanced Institute for Soft Matter Science and Technology (AISMST), School of Molecular Science and Engineering (MoSE), South China University of Technology (SCUT),Guangzhou 510640, China
| | - Mingjun Huang
- South China Advanced Institute for Soft Matter Science and Technology (AISMST), School of Molecular Science and Engineering (MoSE), South China University of Technology (SCUT),Guangzhou 510640, China
| | - Panchao Yin
- South China Advanced Institute for Soft Matter Science and Technology (AISMST), School of Molecular Science and Engineering (MoSE), South China University of Technology (SCUT),Guangzhou 510640, China
| |
Collapse
|
8
|
Yue B, Yin L, Zhao W, Jia X, Zhu M, Wu B, Wu S, Zhu L. Chirality Transfer in Coassembled Organogels Enabling Wide-Range Naked-Eye Enantiodifferentiation. ACS NANO 2019; 13:12438-12444. [PMID: 31560190 DOI: 10.1021/acsnano.9b06250] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Enantiodifferentiation is crucial in organic chemistry, pharmacochemistry, material chemistry, and life science. However, it remains tremendously challenging to achieve a broad enantioselectivity to different types of chiral substrates via a single-material design. Here, we report a coassembled organogel strategy with chirality transfer to make an enantioselective generality possible. This coassembly contains two components: a chiral rigid molecular linker and an achiral block copolymer. Different from routine helically packed chiral self-assemblies, chirality transfer from the linker to the copolymer directed the coassembly to form a phase-segregated twisted nanofiber, in cooperation with H-bonding and microphase segregation. An organogel was accordingly formed by the further cross-linking in ethanol, where the rigid chiral linker served as the scaffold. On this basis, the system becomes highly sensitive, enabling a naked-eye sensing toward the single enantiomer of a diverse series of chiral species (including axial, point, planar, and polymeric chirality) via gel-to-micelle transformation, due to the asymmetric interaction hampering the chirality transfer in the coassembly and destroying the hierarchical structure. Such a strategy, based on a significant amplification of the stereoselective interactions, facilitates a simple and straightforward way to distinguish a broad optical activity independent of devices.
Collapse
Affiliation(s)
- Bingbing Yue
- Key Laboratory of Molecular Engineering of Polymer, Department of Macromolecular Science , Fudan University , Shanghai 200438 , China
- Max-Planck-Institut für Polymerforschung , Ackermannweg 10 , Mainz 55128 , Germany
- College of Science , University of Shanghai for Science and Technology , No. 334 Jungong Road , Shanghai 200093 , China
| | - Liyuan Yin
- Key Laboratory of Molecular Engineering of Polymer, Department of Macromolecular Science , Fudan University , Shanghai 200438 , China
| | - Wandong Zhao
- Key Laboratory of Molecular Engineering of Polymer, Department of Macromolecular Science , Fudan University , Shanghai 200438 , China
| | - Xiaoyong Jia
- Key Laboratory of Molecular Engineering of Polymer, Department of Macromolecular Science , Fudan University , Shanghai 200438 , China
- Henan Key Laboratory of Photovoltaic Materials , Henan University , Kaifeng 475004 , China
| | - Mingjie Zhu
- Key Laboratory of Molecular Engineering of Polymer, Department of Macromolecular Science , Fudan University , Shanghai 200438 , China
| | - Bin Wu
- Key Laboratory of Molecular Engineering of Polymer, Department of Macromolecular Science , Fudan University , Shanghai 200438 , China
| | - Si Wu
- Key Laboratory of Molecular Engineering of Polymer, Department of Macromolecular Science , Fudan University , Shanghai 200438 , China
- Max-Planck-Institut für Polymerforschung , Ackermannweg 10 , Mainz 55128 , Germany
| | - Liangliang Zhu
- Key Laboratory of Molecular Engineering of Polymer, Department of Macromolecular Science , Fudan University , Shanghai 200438 , China
| |
Collapse
|
9
|
Chen G, Zhang G, Jin B, Luo M, Luo Y, Aya S, Li X. Supramolecular Hexagonal Platelet Assemblies with Uniform and Precisely-Controlled Dimensions. J Am Chem Soc 2019; 141:15498-15503. [DOI: 10.1021/jacs.9b08316] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
| | | | | | | | | | - Satoshi Aya
- RIKEN Centre for Emergent Matter Science, Saitama 351-0198, Japan
| | | |
Collapse
|
10
|
Perego J, Piga D, Bracco S, Sozzani P, Comotti A. Expandable porous organic frameworks with built-in amino and hydroxyl functions for CO2and CH4capture. Chem Commun (Camb) 2018; 54:9321-9324. [DOI: 10.1039/c8cc03951h] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Organic functions built on the node of a porous covalent architecture exhibit excellent affinity for CO2(54 kJ mol−1) and CH4(25 kJ mol−1): the interaction of CO2favorably with amine groups was observed by 2D NMR.
Collapse
Affiliation(s)
- J. Perego
- Department of Materials
- Science
- University of Milano Bicocca
- 20125 Milan
- Italy
| | - D. Piga
- Department of Materials
- Science
- University of Milano Bicocca
- 20125 Milan
- Italy
| | - S. Bracco
- Department of Materials
- Science
- University of Milano Bicocca
- 20125 Milan
- Italy
| | - P. Sozzani
- Department of Materials
- Science
- University of Milano Bicocca
- 20125 Milan
- Italy
| | - A. Comotti
- Department of Materials
- Science
- University of Milano Bicocca
- 20125 Milan
- Italy
| |
Collapse
|
11
|
Bracco S, Asnaghi D, Negroni M, Sozzani P, Comotti A. Porous dipeptide crystals as volatile-drug vessels. Chem Commun (Camb) 2018; 54:148-151. [DOI: 10.1039/c7cc06534e] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Anesthetic vapors find temporary hospitality in porous dipeptide crystals, which behave as biologically friendly hosts and carriers.
Collapse
Affiliation(s)
- S. Bracco
- Department of Materials Science
- University of Milano Bicocca and INSTM Consortium
- Milano
- Italy
| | - D. Asnaghi
- Department of Materials Science
- University of Milano Bicocca and INSTM Consortium
- Milano
- Italy
| | - M. Negroni
- Department of Materials Science
- University of Milano Bicocca and INSTM Consortium
- Milano
- Italy
| | - P. Sozzani
- Department of Materials Science
- University of Milano Bicocca and INSTM Consortium
- Milano
- Italy
| | - A. Comotti
- Department of Materials Science
- University of Milano Bicocca and INSTM Consortium
- Milano
- Italy
| |
Collapse
|
12
|
Kaleta J, Chen J, Bastien G, Dračínský M, Mašát M, Rogers CT, Feringa BL, Michl J. Surface Inclusion of Unidirectional Molecular Motors in Hexagonal Tris(o-phenylene)cyclotriphosphazene. J Am Chem Soc 2017; 139:10486-10498. [DOI: 10.1021/jacs.7b05404] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Jiří Kaleta
- Institute of Organic Chemistry and Biochemistry AS CR, Flemingovo nám. 2, 166 10 Praha 6, Czech Republic
| | - Jiawen Chen
- Department
of Organic and Molecular Inorganic Chemistry, Stratingh Institute, University of Groningen, Nijenborgh 4, 9747
AG Groningen, The Netherlands
| | - Guillaume Bastien
- Institute of Organic Chemistry and Biochemistry AS CR, Flemingovo nám. 2, 166 10 Praha 6, Czech Republic
| | - Martin Dračínský
- Institute of Organic Chemistry and Biochemistry AS CR, Flemingovo nám. 2, 166 10 Praha 6, Czech Republic
| | - Milan Mašát
- Institute of Organic Chemistry and Biochemistry AS CR, Flemingovo nám. 2, 166 10 Praha 6, Czech Republic
| | - Charles T. Rogers
- Department
of Physics, University of Colorado, Boulder, Colorado 80309, United States
| | - Ben L. Feringa
- Department
of Organic and Molecular Inorganic Chemistry, Stratingh Institute, University of Groningen, Nijenborgh 4, 9747
AG Groningen, The Netherlands
| | - Josef Michl
- Institute of Organic Chemistry and Biochemistry AS CR, Flemingovo nám. 2, 166 10 Praha 6, Czech Republic
- Department
of Chemistry and Biochemistry, University of Colorado, Boulder, Colorado 80309, United States
| |
Collapse
|
13
|
Zhong Z, Yang X, Fu XB, Yao YF, Guo BH, Huang Y, Xu J. Crystalline inclusion complexes formed between the drug diflunisal and block copolymers. CHINESE CHEM LETT 2017. [DOI: 10.1016/j.cclet.2017.04.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
|
14
|
Bracco S, Miyano T, Negroni M, Bassanetti I, Marchio' L, Sozzani P, Tohnai N, Comotti A. CO2 regulates molecular rotor dynamics in porous materials. Chem Commun (Camb) 2017. [DOI: 10.1039/c7cc02983g] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Porous molecular crystals contain fast molecular rotors whose dynamics can be controlled by CO2.
Collapse
Affiliation(s)
- S. Bracco
- Department of Materials Science
- University of Milano Bicocca
- via R. Cozzi 55
- 2015
- Milano
| | - T. Miyano
- Department of Material and Life Science
- Graduate School of Engineering
- Suita
- Japan
| | - M. Negroni
- Department of Materials Science
- University of Milano Bicocca
- via R. Cozzi 55
- 2015
- Milano
| | - I. Bassanetti
- Department of Materials Science
- University of Milano Bicocca
- via R. Cozzi 55
- 2015
- Milano
| | - L. Marchio'
- Department of Chemistry
- University of Parma
- Parco Area delle Scienze 17/a
- 43124 Parma
- Italy
| | - P. Sozzani
- Department of Materials Science
- University of Milano Bicocca
- via R. Cozzi 55
- 2015
- Milano
| | - N. Tohnai
- Department of Material and Life Science
- Graduate School of Engineering
- Suita
- Japan
| | - A. Comotti
- Department of Materials Science
- University of Milano Bicocca
- via R. Cozzi 55
- 2015
- Milano
| |
Collapse
|
15
|
Zhou F, Gu KH, Zhang ZY, Zhang MY, Zhou S, Shen Z, Fan XH. Exploiting Host-Guest Interactions for the Synthesis of a Rod-Rod Block Copolymer with Crystalline and Liquid-Crystalline Blocks. Angew Chem Int Ed Engl 2016; 55:15007-15011. [PMID: 27783471 DOI: 10.1002/anie.201608043] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Revised: 09/28/2016] [Indexed: 11/11/2022]
Abstract
By making use of the host-guest interactions between the host molecule tris-o-phenylenedioxycyclotriphosphazene (TPP) and the rod-coil block copolymer (BCP) poly(ethylene oxide)-block-poly(octyl 4'-octyloxy-2-vinylbiphenyl-4-carboxylate) (PEO-b-PVBP), the supramolecular rod-rod block copolymer P(EO@TPP)-b-PVBP was constructed. It consists of a crystalline segment P(EO@TPP) with a hexagonal crystalline structure and a columnar nematic liquid-crystalline segment (PVBP). As the PVBP segments arrange themselves as columnar nematic phases, the crystalline structure of the inclusion complex P(EO@TPP), which has a smaller diameter, is destroyed. The self-assembled nanostructure is thus clearly affected by the interplay between the two blocks. On the basis of wide- and small-angle X-ray scattering analysis, we conclude that the supramolecular rod-rod BCP can self-assemble into a cylinder-in-cylinder double hexagonal structure.
Collapse
Affiliation(s)
- Feng Zhou
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Ke-Hua Gu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Zhen-Yu Zhang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Meng-Yao Zhang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Sheng Zhou
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Zhihao Shen
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Xing-He Fan
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| |
Collapse
|
16
|
Zhou F, Gu KH, Zhang ZY, Zhang MY, Zhou S, Shen Z, Fan XH. Exploiting Host-Guest Interactions for the Synthesis of a Rod-Rod Block Copolymer with Crystalline and Liquid-Crystalline Blocks. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201608043] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Feng Zhou
- Beijing National Laboratory for Molecular Sciences; Key Laboratory of Polymer Chemistry and Physics of Ministry of Education; Center for Soft Matter Science and Engineering; College of Chemistry and Molecular Engineering; Peking University; Beijing 100871 China
| | - Ke-Hua Gu
- Beijing National Laboratory for Molecular Sciences; Key Laboratory of Polymer Chemistry and Physics of Ministry of Education; Center for Soft Matter Science and Engineering; College of Chemistry and Molecular Engineering; Peking University; Beijing 100871 China
| | - Zhen-Yu Zhang
- Beijing National Laboratory for Molecular Sciences; Key Laboratory of Polymer Chemistry and Physics of Ministry of Education; Center for Soft Matter Science and Engineering; College of Chemistry and Molecular Engineering; Peking University; Beijing 100871 China
| | - Meng-Yao Zhang
- Beijing National Laboratory for Molecular Sciences; Key Laboratory of Polymer Chemistry and Physics of Ministry of Education; Center for Soft Matter Science and Engineering; College of Chemistry and Molecular Engineering; Peking University; Beijing 100871 China
| | - Sheng Zhou
- Beijing National Laboratory for Molecular Sciences; Key Laboratory of Polymer Chemistry and Physics of Ministry of Education; Center for Soft Matter Science and Engineering; College of Chemistry and Molecular Engineering; Peking University; Beijing 100871 China
| | - Zhihao Shen
- Beijing National Laboratory for Molecular Sciences; Key Laboratory of Polymer Chemistry and Physics of Ministry of Education; Center for Soft Matter Science and Engineering; College of Chemistry and Molecular Engineering; Peking University; Beijing 100871 China
| | - Xing-He Fan
- Beijing National Laboratory for Molecular Sciences; Key Laboratory of Polymer Chemistry and Physics of Ministry of Education; Center for Soft Matter Science and Engineering; College of Chemistry and Molecular Engineering; Peking University; Beijing 100871 China
| |
Collapse
|
17
|
Comotti A, Bracco S, Beretta M, Perego J, Gemmi M, Sozzani P. Confined Polymerization in Highly Ordered Mesoporous Organosilicas. Chemistry 2015; 21:18209-17. [PMID: 26559381 DOI: 10.1002/chem.201503553] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2015] [Indexed: 11/10/2022]
Abstract
Hybrid mesoporous organosilica exhibiting crystal-like order in the walls provided an ideal channel reaction vessel for the confined polymerization of acrylonitrile (PAN). The resulting high-molecular-mass PAN fills the channels at high yield and forms an ordered nanostructure of polymer nanobundles enclosed into the hybrid matrix. The in situ thermal transformation of PAN into rigid polyconjugated and, eventually, into condensed polyaromatic carbon nanofibers, retains the periodic architecture. Simultaneously, the matrix evolves showing the fusion of the p-phenylene rings and the cleavage of carbonsilicon bonds: this gives rise to graphitic-carbon/silica nanocomposites containing hyper-oxydrylated silica nanophases. Interestingly, the 3D hexagonal mesostructure survives in the carbonaceous material. The exploitation of porous materials of high capacity and a hybrid nature, for polymerization in the confined state, followed by high temperature treatments, allowed us to achieve unique and precisely fabricated nanostructures, thus paving the way for the construction of fine-tuned electronic and light-harvesting materials.
Collapse
Affiliation(s)
- Angiolina Comotti
- Department of Materials Science, University of Milano Bicocca, Via. R. Cozzi 55, 20125 Milan (Italy)
| | - Silvia Bracco
- Department of Materials Science, University of Milano Bicocca, Via. R. Cozzi 55, 20125 Milan (Italy).
| | - Mario Beretta
- Department of Materials Science, University of Milano Bicocca, Via. R. Cozzi 55, 20125 Milan (Italy)
| | - Jacopo Perego
- Department of Materials Science, University of Milano Bicocca, Via. R. Cozzi 55, 20125 Milan (Italy)
| | - Mauro Gemmi
- Center for Nanotechnology Innovation@ NEST, Istituto Italiano di Tecnologia, Piazza San Silvestro 12, 56127 Pisa (Italy)
| | - Piero Sozzani
- Department of Materials Science, University of Milano Bicocca, Via. R. Cozzi 55, 20125 Milan (Italy).
| |
Collapse
|
18
|
Mixing of immiscible polymers using nanoporous coordination templates. Nat Commun 2015; 6:7473. [PMID: 26130294 PMCID: PMC4506999 DOI: 10.1038/ncomms8473] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2015] [Accepted: 05/12/2015] [Indexed: 11/08/2022] Open
Abstract
The establishment of methodologies for the mixing of immiscible substances is highly desirable to facilitate the development of fundamental science and materials technology. Herein we describe a new protocol for the compatibilization of immiscible polymers at the molecular level using porous coordination polymers (PCPs) as removable templates. In this process, the typical immiscible polymer pair of polystyrene (PSt) and poly(methyl methacrylate) (PMMA) was prepared via the successive homopolymerizations of their monomers in a PCP to distribute the polymers inside the PCP particles. Subsequent dissolution of the PCP frameworks in a chelator solution affords a PSt/PMMA blend that is homogeneous in the range of several nanometers. Due to the unusual compatibilization, the thermal properties of the polymer blend are remarkably improved compared with the conventional solvent-cast blend. This method is also applicable to the compatibilization of PSt and polyacrylonitrile, which have very different solubility parameters.
Collapse
|
19
|
Kitao T, Bracco S, Comotti A, Sozzani P, Naito M, Seki S, Uemura T, Kitagawa S. Confinement of Single Polysilane Chains in Coordination Nanospaces. J Am Chem Soc 2015; 137:5231-8. [DOI: 10.1021/jacs.5b02215] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Takashi Kitao
- Department
of Synthetic Chemistry and Biological Chemistry, Graduate School of
Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Silvia Bracco
- Department
of Materials Science, University of Milano Bicocca, Via R. Cozzi
55, 20125 Milan, Italy
| | - Angiolina Comotti
- Department
of Materials Science, University of Milano Bicocca, Via R. Cozzi
55, 20125 Milan, Italy
| | - Piero Sozzani
- Department
of Materials Science, University of Milano Bicocca, Via R. Cozzi
55, 20125 Milan, Italy
| | - Masanobu Naito
- National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-044, Japan
| | - Shu Seki
- Department of Applied
Chemistry, Graduate School of Engineering, Osaka University, 2-1
Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Takashi Uemura
- Department
of Synthetic Chemistry and Biological Chemistry, Graduate School of
Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
- CREST, Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Susumu Kitagawa
- Department
of Synthetic Chemistry and Biological Chemistry, Graduate School of
Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan
| |
Collapse
|
20
|
Bassanetti I, Comotti A, Sozzani P, Bracco S, Calestani G, Mezzadri F, Marchiò L. Porous Molecular Crystals by Macrocyclic Coordination Supramolecules. J Am Chem Soc 2014; 136:14883-95. [DOI: 10.1021/ja507555j] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Irene Bassanetti
- Dipartimento
di Chimica, Università degli Studi di Parma, viale delle
Scienze 17/a, 43124 Parma, Italy
| | - Angiolina Comotti
- Department
of Materials Science, University of Milano Bicocca, via Roberto
Cozzi 55, 20125 Milano, Italy
| | - Piero Sozzani
- Department
of Materials Science, University of Milano Bicocca, via Roberto
Cozzi 55, 20125 Milano, Italy
| | - Silvia Bracco
- Department
of Materials Science, University of Milano Bicocca, via Roberto
Cozzi 55, 20125 Milano, Italy
| | - Gianluca Calestani
- Dipartimento
di Chimica, Università degli Studi di Parma, viale delle
Scienze 17/a, 43124 Parma, Italy
| | - Francesco Mezzadri
- Dipartimento
di Chimica, Università degli Studi di Parma, viale delle
Scienze 17/a, 43124 Parma, Italy
| | - Luciano Marchiò
- Dipartimento
di Chimica, Università degli Studi di Parma, viale delle
Scienze 17/a, 43124 Parma, Italy
| |
Collapse
|
21
|
Fabrication of CO2 Facilitated Transport Channels in Block Copolymer through Supramolecular Assembly. Polymers (Basel) 2014. [DOI: 10.3390/polym6051403] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
|
22
|
Halse ME, Schlagnitweit J, Emsley L. High-Resolution1H Solid-State NMR Spectroscopy Using Windowed LG4 Homonuclear Dipolar Decoupling. Isr J Chem 2014. [DOI: 10.1002/ijch.201300101] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
|
23
|
Comotti A, Bracco S, Ben T, Qiu S, Sozzani P. Molecular Rotors in Porous Organic Frameworks. Angew Chem Int Ed Engl 2014; 53:1043-7. [DOI: 10.1002/anie.201309362] [Citation(s) in RCA: 91] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2013] [Indexed: 11/10/2022]
|
24
|
Comotti A, Bracco S, Ben T, Qiu S, Sozzani P. Molecular Rotors in Porous Organic Frameworks. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201309362] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
|
25
|
Zhao K, Dron PI, Kaleta J, Rogers CT, Michl J. Arrays of Dipolar Molecular Rotors in Tris(o-phenylenedioxy)cyclotriphosphazene. MOLECULAR MACHINES AND MOTORS 2014; 354:163-211. [DOI: 10.1007/128_2013_513] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
|
26
|
Wei YL, Li XY, Kang TT, Wang SN, Zang SQ. A series of Ag(i)–Cd(ii) hetero- and Ag(i) homo-nuclear coordination polymers based on 5-iodo-isophthalic acid and N-donor ancillary ligands. CrystEngComm 2014. [DOI: 10.1039/c3ce41714j] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
27
|
Intramolecular CH/π interaction of Poly(9,9-dialkylfluorene)s in solutions: interplay of the fluorene ring and alkyl side chains revealed by 2D 1H–1H NOESY NMR and 1D 1H-NMR experiments. Polym J 2013. [DOI: 10.1038/pj.2013.16] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
|
28
|
Multifunctionalized porosity in zeolitic diamondoid porous organic salt: selective adsorption and guest-responsive fluorescent properties. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2012.12.086] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
|
29
|
Kobr L, Zhao K, Shen Y, Shoemaker RK, Rogers CT, Michl J. Inclusion compound based approach to forming arrays of artificial dipolar molecular rotors: a search for optimal rotor structures. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2013; 25:443-448. [PMID: 23042693 DOI: 10.1002/adma.201203294] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2012] [Indexed: 06/01/2023]
Abstract
Hexagonal tris(o-phenylenedioxy)cyclotriphosphazene (TPP) is used as ahost for organizing dipolar molecular rotor guests into regular trigonal arrays. Inclusion of molecular rotors with transversely dipolar rotators into TPP channels is followed by solid-state nuclear magnetic resonance, diifferential scanning calorimetry, X-ray diffraction, and dielectric spectroscopy. The more polar of the two rotors does not form an inclusion. The second rotor forms two different inclusions differing in crystallite size and the rotational barriers.
Collapse
Affiliation(s)
- Lukáš Kobr
- Department of Chemistry and Biochemistry, University of Colorado, 215 UCB, Boulder, CO 80309-0215, USA
| | | | | | | | | | | |
Collapse
|
30
|
Dudenko DV, Yates JR, Harris KDM, Brown SP. An NMR crystallography DFT-D approach to analyse the role of intermolecular hydrogen bonding and π–π interactions in driving cocrystallisation of indomethacin and nicotinamide. CrystEngComm 2013. [DOI: 10.1039/c3ce41240g] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
31
|
Comotti A, Fraccarollo A, Bracco S, Beretta M, Distefano G, Cossi M, Marchese L, Riccardi C, Sozzani P. Porous dipeptide crystals as selective CO2adsorbents: experimental isotherms vs. grand canonical Monte Carlo simulations and MAS NMR spectroscopy. CrystEngComm 2013. [DOI: 10.1039/c2ce26502h] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
|
32
|
Comotti A, Bracco S, Mauri M, Mottadelli S, Ben T, Qiu S, Sozzani P. Confined polymerization in porous organic frameworks with an ultrahigh surface area. Angew Chem Int Ed Engl 2012; 51:10136-40. [PMID: 22952188 DOI: 10.1002/anie.201205618] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2012] [Indexed: 11/06/2022]
Affiliation(s)
- Angiolina Comotti
- Department of Materials Science, University of Milano Bicocca, Via R. Cozzi 53, Milano, Italy.
| | | | | | | | | | | | | |
Collapse
|
33
|
Comotti A, Bracco S, Mauri M, Mottadelli S, Ben T, Qiu S, Sozzani P. Confined Polymerization in Porous Organic Frameworks with an Ultrahigh Surface Area. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201205618] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
|
34
|
Kobr L, Zhao K, Shen Y, Comotti A, Bracco S, Shoemaker RK, Sozzani P, Clark NA, Price JC, Rogers CT, Michl J. Inclusion Compound Based Approach to Arrays of Artificial Dipolar Molecular Rotors. A Surface Inclusion. J Am Chem Soc 2012; 134:10122-31. [DOI: 10.1021/ja302173y] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
| | | | | | | | - Silvia Bracco
- Department of Materials Science, University of Milan—Bicocca, Italy
| | | | - Piero Sozzani
- Department of Materials Science, University of Milan—Bicocca, Italy
| | | | | | | | - Josef Michl
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, 16610 Prague
6, Czech Republic
| |
Collapse
|
35
|
Brown SP. Applications of high-resolution 1H solid-state NMR. SOLID STATE NUCLEAR MAGNETIC RESONANCE 2012; 41:1-27. [PMID: 22177472 DOI: 10.1016/j.ssnmr.2011.11.006] [Citation(s) in RCA: 184] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2011] [Revised: 11/15/2011] [Accepted: 11/16/2011] [Indexed: 05/25/2023]
Abstract
This article reviews the large increase in applications of high-resolution (1)H magic-angle spinning (MAS) solid-state NMR, in particular two-dimensional heteronuclear and homonuclear (double-quantum and spin-diffusion NOESY-like exchange) experiments, in the last five years. These applications benefit from faster MAS frequencies (up to 80 kHz), higher magnetic fields (up to 1 GHz) and pulse sequence developments (e.g., homonuclear decoupling sequences applicable under moderate and fast MAS). (1)H solid-state NMR techniques are shown to provide unique structural insight for a diverse range of systems including pharmaceuticals, self-assembled supramolecular structures and silica-based inorganic-organic materials, such as microporous and mesoporous materials and heterogeneous organometallic catalysts, for which single-crystal diffraction structures cannot be obtained. The power of NMR crystallography approaches that combine experiment with first-principles calculations of NMR parameters (notably using the GIPAW approach) are demonstrated, e.g., to yield quantitative insight into hydrogen-bonding and aromatic CH-π interactions, as well as to generate trial three-dimensional packing arrangements. It is shown how temperature-dependent changes in the (1)H chemical shift, linewidth and DQ-filtered signal intensity can be analysed to determine the thermodynamics and kinetics of molecular level processes, such as the making and breaking of hydrogen bonds, with particular application to proton-conducting materials. Other applications to polymers and biopolymers, inorganic compounds and bioinorganic systems, paramagnetic compounds and proteins are presented. The potential of new technological advances such as DNP methods and new microcoil designs is described.
Collapse
Affiliation(s)
- Steven P Brown
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom.
| |
Collapse
|
36
|
Inukai M, Horike S, Umeyama D, Hijikata Y, Kitagawa S. Investigation of post-grafted groups of a porous coordination polymer and its proton conduction behavior. Dalton Trans 2012; 41:13261-3. [DOI: 10.1039/c2dt31836a] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
|