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Gowda A, Pathak SK, Rohaley GAR, Acharjee G, Oprandi A, Williams R, Prévôt ME, Hegmann T. Organic chiral nano- and microfilaments: types, formation, and template applications. MATERIALS HORIZONS 2024; 11:316-340. [PMID: 37921354 DOI: 10.1039/d3mh01390a] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2023]
Abstract
Organic chiral nanofilaments are part of an important class of nanoscale chiral materials that has recently been receiving significant attention largely due to their potential use in applications such as optics, photonics, metameterials, and potentially a range of medical as well as sensing applications. This review will focus on key examples of the formation of such nano- and micro-filaments based on carbon nanofibers, polymers, synthetic oligo- and polypeptides, self-assembled organic molecules, and one prominent class of liquid crystals. The most critical aspects discussed here are the underlying driving forces for chiral filament formation, potentially answering why specific sizes and shapes are formed, what molecular design strategies are working equally well or rather differently among these materials classes, and what uses and applications are driving research in this fascinating field of materials science.
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Affiliation(s)
- Ashwathanarayana Gowda
- Advanced Materials and Liquid Crystal Institute, Kent State University, Kent, OH 44242, USA.
| | - Suraj Kumar Pathak
- Advanced Materials and Liquid Crystal Institute, Kent State University, Kent, OH 44242, USA.
| | - Grace A R Rohaley
- Advanced Materials and Liquid Crystal Institute, Kent State University, Kent, OH 44242, USA.
- Materials Science Graduate Program, Kent State University, Kent, OH 44242, USA
| | - Gourab Acharjee
- Department of Chemistry and Biochemistry, Kent State University, Kent, OH 44242, USA
| | - Andrea Oprandi
- Advanced Materials and Liquid Crystal Institute, Kent State University, Kent, OH 44242, USA.
- Materials Science Graduate Program, Kent State University, Kent, OH 44242, USA
| | - Ryan Williams
- Advanced Materials and Liquid Crystal Institute, Kent State University, Kent, OH 44242, USA.
- Materials Science Graduate Program, Kent State University, Kent, OH 44242, USA
| | - Marianne E Prévôt
- Advanced Materials and Liquid Crystal Institute, Kent State University, Kent, OH 44242, USA.
- Department of Chemistry and Biochemistry, Kent State University, Kent, OH 44242, USA
| | - Torsten Hegmann
- Advanced Materials and Liquid Crystal Institute, Kent State University, Kent, OH 44242, USA.
- Brain Health Research Institute, Kent State University, Kent, OH 44242, USA
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2
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Hu R, Cai C, Lin J, Gao L. Chirality of Superhelices Self-Assembled from Polypeptide Mixtures. Macromolecules 2022. [DOI: 10.1021/acs.macromol.1c02639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Rui Hu
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Chunhua Cai
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Jiaping Lin
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Liang Gao
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
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3
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Wang L, Huang S, Wang M, Liu ZY, Chen XM, Yang H. Synthesis and Self-Assembly of Alternating Heterodinucleoside Polytriazoles. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c02276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Li Wang
- School of Chemistry and Chemical Engineering, Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, Institute of Advanced Materials, Southeast University, Nanjing, Jiangsu Province 211189, China
| | - Shuai Huang
- School of Chemistry and Chemical Engineering, Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, Institute of Advanced Materials, Southeast University, Nanjing, Jiangsu Province 211189, China
| | - Meng Wang
- School of Chemistry and Chemical Engineering, Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, Institute of Advanced Materials, Southeast University, Nanjing, Jiangsu Province 211189, China
| | - Zhi-Yang Liu
- School of Chemistry and Chemical Engineering, Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, Institute of Advanced Materials, Southeast University, Nanjing, Jiangsu Province 211189, China
| | - Xu-Man Chen
- School of Chemistry and Chemical Engineering, Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, Institute of Advanced Materials, Southeast University, Nanjing, Jiangsu Province 211189, China
| | - Hong Yang
- School of Chemistry and Chemical Engineering, Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, Institute of Advanced Materials, Southeast University, Nanjing, Jiangsu Province 211189, China
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del Prado A, González‐Rodríguez D, Wu Y. Functional Systems Derived from Nucleobase Self-assembly. ChemistryOpen 2020; 9:409-430. [PMID: 32257750 PMCID: PMC7110180 DOI: 10.1002/open.201900363] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 03/05/2020] [Indexed: 12/12/2022] Open
Abstract
Dynamic and reversible non-covalent interactions endow synthetic systems and materials with smart adaptive functions that allow them to response to diverse stimuli, interact with external agents, or repair structural defects. Inspired by the outstanding performance and selectivity of DNA in living systems, scientists are increasingly employing Watson-Crick nucleobase pairing to control the structure and properties of self-assembled materials. Two sets of complementary purine-pyrimidine pairs (guanine:cytosine and adenine:thymine(uracil)) are available that provide selective and directional H-bonding interactions, present multiple metal-coordination sites, and exhibit rich redox chemistry. In this review, we highlight several recent examples that profit from these features and employ nucleobase interactions in functional systems and materials, covering the fields of energy/electron transfer, charge transport, adaptive nanoparticles, porous materials, macromolecule self-assembly, or polymeric materials with adhesive or self-healing ability.
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Affiliation(s)
- Anselmo del Prado
- Departamento de Química OrgánicaFacultad de CienciasUniversidad Autónoma de Madrid28049MadridSpain
| | - David González‐Rodríguez
- Departamento de Química OrgánicaFacultad de CienciasUniversidad Autónoma de Madrid28049MadridSpain
- Institute for Advanced Research in Chemical Sciences (IAdChem)Universidad Autónoma de Madrid28049MadridSpain
| | - Yi‐Lin Wu
- School of ChemistryCardiff UniversityPark PlaceCardiffCF10 3ATUK
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5
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Zhang Y, Xia B, Hu Y, Zhu Q, Lin X, Wu Q. Enantiocomplementary Chiral Polyhydroxyenoate: Chemoenzymatic Synthesis and Helical Structure Control. ACS Macro Lett 2019; 8:1188-1193. [PMID: 35619454 DOI: 10.1021/acsmacrolett.9b00527] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Here, we present the chemoenzymatic synthesis of two pairs of configuration-customized unsaturated chiral polyesters and discover that they are able to self-assemble into a helical superstructure. The chiral (R)- or (S)-polyesters with a polar unsaturated main-chain and an apolar side chain were designed to be stereoregular and amphiphilic-like. The solvent polarity, stereoregularity, unsaturated bond in the backbone and the structure of side chains were found to be the key factors to affect the self-assembly performance of the chiral polyesters. As the solvent polarity increased, the nanostructures of stereoregular unsaturated polyesters transformed from spheres to helical fibers, while there was no such transformation for the racemic or saturated polyesters.
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Affiliation(s)
- Yu Zhang
- Department of Chemistry, Zhejiang University, Hangzhou 310027, People’s Republic of China
| | - Bo Xia
- Jiyang College of Zhejiang A&F University, Zhuji 311800, People’s Republic of China
| | - Yujing Hu
- Department of Chemistry, Zhejiang University, Hangzhou 310027, People’s Republic of China
| | - Qiaoyan Zhu
- Department of Chemistry, Zhejiang University, Hangzhou 310027, People’s Republic of China
| | - Xianfu Lin
- Department of Chemistry, Zhejiang University, Hangzhou 310027, People’s Republic of China
| | - Qi Wu
- Department of Chemistry, Zhejiang University, Hangzhou 310027, People’s Republic of China
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Mao BH, EL-Mahdy AFM, Kuo SW. Bio-inspired multiple complementary hydrogen bonds enhance the miscibility of conjugated polymers blended with polystyrene derivatives. JOURNAL OF POLYMER RESEARCH 2019. [DOI: 10.1007/s10965-019-1875-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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7
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Huang YH, Ge QM, Zhao YY, Cong H, Zhao JL, Tao Z, Luo QY. Recognition of silver cations by multifarene[2,2] chemosensors with unexpected fluorescence response. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 218:213-220. [PMID: 30995579 DOI: 10.1016/j.saa.2019.04.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Revised: 04/06/2019] [Accepted: 04/08/2019] [Indexed: 06/09/2023]
Abstract
Fluorescent chemosensors based on a new macrocyclic compound, multifarene[2,2], with modification by triazole-linked pyrene or anthracene were synthesized. These macrocyclic sensors exhibited high affinity and selectivity toward Ag+ over other metal ions, with ratiometric or enhanced response of their fluorescence emissions depending upon the substituent species for coordination to Ag+, and an unexpected response to a concentration threshold of the metal cations was discovered. The experimental evidences of fluorescence spectra, 1H NMR titration, IR spectra, and high-resolution mass spectra suggested the coordination behaviors of the sensors with Ag+, that is, the 1:1 complexes were formed with moderate association constants of about 105 L·mol-1, and the sulfur atoms on macrocyclic ligand should affinite to the metal cations. Energy-minimized structures and frontier orbitals were estimated by quantum chemical calculations with a view to rationalizing the fluorescence response of the multifarene[2,2] sensors upon binding to Ag+.
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Affiliation(s)
- Yin-Hui Huang
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, China
| | - Qing-Mei Ge
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, China
| | - Yong-Yi Zhao
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, China
| | - Hang Cong
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, China.
| | - Jiang-Lin Zhao
- Institute of Biomedical & Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 1068 Xueyuan Avenue, Shenzhen 518055, China
| | - Zhu Tao
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, China
| | - Qing-Ying Luo
- Institute of Biomedical & Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 1068 Xueyuan Avenue, Shenzhen 518055, China.
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8
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Wang L, Wang M, Guo LX, Sun Y, Zhang XQ, Lin BP, Yang H. Oligodeoxynucleosides with Olefin Bridges. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b02115] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Li Wang
- School of Chemistry and Chemical Engineering, Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, Jiangsu Key Laboratory for Science and Application of Molecular Ferroelectrics, Southeast University, Nanjing, Jiangsu Province 211189, China
| | - Meng Wang
- School of Chemistry and Chemical Engineering, Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, Jiangsu Key Laboratory for Science and Application of Molecular Ferroelectrics, Southeast University, Nanjing, Jiangsu Province 211189, China
| | - Ling-Xiang Guo
- School of Chemistry and Chemical Engineering, Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, Jiangsu Key Laboratory for Science and Application of Molecular Ferroelectrics, Southeast University, Nanjing, Jiangsu Province 211189, China
| | - Ying Sun
- School of Chemistry and Chemical Engineering, Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, Jiangsu Key Laboratory for Science and Application of Molecular Ferroelectrics, Southeast University, Nanjing, Jiangsu Province 211189, China
| | - Xue-Qin Zhang
- School of Chemistry and Chemical Engineering, Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, Jiangsu Key Laboratory for Science and Application of Molecular Ferroelectrics, Southeast University, Nanjing, Jiangsu Province 211189, China
| | - Bao-Ping Lin
- School of Chemistry and Chemical Engineering, Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, Jiangsu Key Laboratory for Science and Application of Molecular Ferroelectrics, Southeast University, Nanjing, Jiangsu Province 211189, China
| | - Hong Yang
- School of Chemistry and Chemical Engineering, Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, Jiangsu Key Laboratory for Science and Application of Molecular Ferroelectrics, Southeast University, Nanjing, Jiangsu Province 211189, China
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9
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EL-Mahdy AF, Kuo SW. A pyrene-functionalized polytyrosine exhibiting aggregation-induced emission and capable of dispersing carbon nanotubes and hydrogen bonding with P4VP. POLYMER 2018. [DOI: 10.1016/j.polymer.2018.09.052] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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10
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Self-Assembled Structures of Diblock Copolymer/Homopolymer Blends through Multiple Complementary Hydrogen Bonds. CRYSTALS 2018. [DOI: 10.3390/cryst8080330] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
A poly(styrene-b-vinylbenzyl triazolylmethyl methyladenine) (PS-b-PVBA) diblock copolymer and a poly(vinylbenzyl triazolylmethyl methylthymine) (PVBT) homopolymer were prepared through a combination of nitroxide-mediated radical polymerizations and click reactions. Strong multiple hydrogen bonding interactions of the A···T binary pairs occurred in the PVBA/PVBT miscible domain of the PS-b-PVBA/PVPT diblock copolymer/homopolymer blend, as evidenced in Fourier transform infrared and 1H nuclear magnetic resonance spectra. The self-assembled lamellar structure of the pure PS-b-PVBA diblock copolymer after thermal annealing was transformed to a cylinder structure after blending with PVBT at lower concentrations and then to a disordered micelle or macrophase structure at higher PVBT concentrations, as revealed by small-angle X-ray scattering and transmission electron microscopy.
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11
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Huang CW, Ji WY, Kuo SW. Stimuli-responsive supramolecular conjugated polymer with phototunable surface relief grating. Polym Chem 2018. [DOI: 10.1039/c8py00439k] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
A facile method to synthesize azobenzene- and thymine (T)-functionalized conjugated copolymers through Suzuki coupling polymerization and click reactions and used in surface relief gratings displaying long-range-ordered interference patterns.
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Affiliation(s)
- Cheng-Wei Huang
- Department of Materials and Optoelectronic Science
- National Sun Yat-Sen University
- Kaohsiung
- Taiwan
| | - Wen-Yu Ji
- Department of Materials and Optoelectronic Science
- National Sun Yat-Sen University
- Kaohsiung
- Taiwan
| | - Shiao-Wei Kuo
- Department of Materials and Optoelectronic Science
- National Sun Yat-Sen University
- Kaohsiung
- Taiwan
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12
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EL-Mahdy AF, Kuo SW. Diphenylpyrenylamine-functionalized polypeptides: secondary structures, aggregation-induced emission, and carbon nanotube dispersibility. RSC Adv 2018; 8:15266-15281. [PMID: 35539482 PMCID: PMC9080069 DOI: 10.1039/c8ra02369g] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Accepted: 04/15/2018] [Indexed: 11/23/2022] Open
Abstract
In this study we prepared—through ring-opening polymerization of γ-benzyl-l-glutamate N-carboxyanhydride (BLG-NCA) initiated by N,N-di(4-aminophenyl)-1-aminopyrene (pyrene-DPA-2NH2)—poly(γ-benzyl-l-glutamate) (PBLG) polymers with various degrees of polymerization (DP), each featuring a di(4-aminophenyl)pyrenylamine (DPA) luminophore on the main backbone. The secondary structures of these pyrene-DPA-PBLG polypeptides were investigated using Fourier transform infrared spectroscopy and wide-angle X-ray diffraction, revealing that the polypeptides with DPs of less than 19 were mixtures of α-helical and β-sheet conformations, whereas the α-helical structures were preferred for longer chains. Interestingly, pyrene-DPA-2NH2 exhibited weak photoluminescence (PL), yet the emission of the pyrene-DPA-PBLG polypeptides was 16-fold stronger, suggesting that attaching PBLG chains to pyrene-DPA-2NH2 turned on a radiative pathway for the non-fluorescent molecule. Furthermore, pyrene-DPA-2NH2 exhibited aggregation-caused quenching; in contrast, after incorporation into the PBLG segments with rigid-rod conformations, the resulting pyrene-DPA-PBLG polypeptides displayed aggregation-induced emission. Transmission electron microscopy revealed that mixing these polypeptides with multiwalled carbon nanotubes (MWCNTs) in DMF led to the formation of extremely dispersible pyrene-DPA-PBLG/MWCNT composites. The fabrication of MWCNT composites with such biocompatible polymers should lead to bio-inspired carbon nanostructures with useful biomedical applications. PBLG chains to pyrene-DPA-2NH2 turned on a radiative pathway for the non-fluorescent molecule and TEM revealed these polypeptides with carbon nanotube to form PBLG/MWCNT composite.![]()
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Affiliation(s)
- Ahmed F. M. EL-Mahdy
- Department of Materials and Optoelectronic Science
- National Sun Yat-Sen University
- Kaohsiung 80424
- Taiwan
- Chemistry Department
| | - Shiao-Wei Kuo
- Department of Materials and Optoelectronic Science
- National Sun Yat-Sen University
- Kaohsiung 80424
- Taiwan
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14
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Huang CW, Ji WY, Kuo SW. Water-Soluble Fluorescent Nanoparticles from Supramolecular Amphiphiles Featuring Heterocomplementary Multiple Hydrogen Bonding. Macromolecules 2017. [DOI: 10.1021/acs.macromol.7b01516] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Cheng-Wei Huang
- Department of Materials and Optoelectronic
Science, Center for Functional Polymers and Supramolecular Materials, National Sun Yat-Sen University, Kaohsiung 804, Taiwan
| | - Wen-Yu Ji
- Department of Materials and Optoelectronic
Science, Center for Functional Polymers and Supramolecular Materials, National Sun Yat-Sen University, Kaohsiung 804, Taiwan
| | - Shiao-Wei Kuo
- Department of Materials and Optoelectronic
Science, Center for Functional Polymers and Supramolecular Materials, National Sun Yat-Sen University, Kaohsiung 804, Taiwan
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15
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Huang CW, Mohamed MG, Zhu CY, Kuo SW. Functional Supramolecular Polypeptides Involving π–π Stacking and Strong Hydrogen-Bonding Interactions: A Conformation Study toward Carbon Nanotubes (CNTs) Dispersion. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b01060] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Cheng-Wei Huang
- Institute of Applied Chemistry, National Chiao Tung University, Hsinchu 300, Taiwan
| | - Mohamed Gamal Mohamed
- Department of Materials and Optoelectronic Science, National Sun Yat-Sen University, Kaohsiung 804, Taiwan
| | - Chao-Yuan Zhu
- Institute of Applied Chemistry, National Chiao Tung University, Hsinchu 300, Taiwan
| | - Shiao-Wei Kuo
- Department of Materials and Optoelectronic Science, National Sun Yat-Sen University, Kaohsiung 804, Taiwan
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16
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Lin YT, Singh R, Kuo SW, Ko FH. Bio-Inspired Supramolecular Chemistry Provides Highly Concentrated Dispersions of Carbon Nanotubes in Polythiophene. MATERIALS (BASEL, SWITZERLAND) 2016; 9:ma9060438. [PMID: 28773559 PMCID: PMC5456781 DOI: 10.3390/ma9060438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Revised: 05/17/2016] [Accepted: 05/27/2016] [Indexed: 06/07/2023]
Abstract
In this paper we report the first observation, through X-ray diffraction, of noncovalent uracil-uracil (U-U) dimeric π-stacking interactions in carbon nanotube (CNT)-based supramolecular assemblies. The directionally oriented morphology determined using atomic force microscopy revealed highly organized behavior through π-stacking of U moieties in a U-functionalized CNT derivative (CNT-U). We developed a dispersion system to investigate the bio-inspired interactions between an adenine (A)-terminated poly(3-adeninehexyl thiophene) (PAT) and CNT-U. These hybrid CNT-U/PAT materials interacted through π-stacking and multiple hydrogen bonding between the U moieties of CNT-U and the A moieties of PAT. Most importantly, the U···A multiple hydrogen bonding interactions between CNT-U and PAT enhanced the dispersion of CNT-U in a high-polarity solvent (DMSO). The morphology of these hybrids, determined using transmission electron microscopy, featured grape-like PAT bundles wrapped around the CNT-U surface; this tight connection was responsible for the enhanced dispersion of CNT-U in DMSO.
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Affiliation(s)
- Yen-Ting Lin
- Department of Materials Science and Engineering, National Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan.
| | - Ranjodh Singh
- Department of Materials Science and Engineering, National Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan.
| | - Shiao-Wei Kuo
- Department of Materials and Optoelectronic Science, National Sun Yat-Sen University, No. 70, Lienhai Road, Kaohsiung 80424, Taiwan.
| | - Fu-Hsiang Ko
- Department of Materials Science and Engineering, National Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan.
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17
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Wu C, Zhao JL, Jiang XK, Wang CZ, Ni XL, Zeng X, Redshaw C, Yamato T. A novel fluorescence “on–off–on” chemosensor for Hg2+via a water-assistant blocking heavy atom effect. Dalton Trans 2016; 45:14948-53. [DOI: 10.1039/c6dt02274j] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The heavy atom effect and blocking thereof were demonstrated within the same system by the use of a C3-symmetric homooxacalix[3]arene scaffold.
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Affiliation(s)
- Chong Wu
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Saga University
- Saga 840-8502
- Japan
| | - Jiang-Lin Zhao
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Saga University
- Saga 840-8502
- Japan
| | - Xue-Kai Jiang
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Saga University
- Saga 840-8502
- Japan
| | - Chuan-Zeng Wang
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Saga University
- Saga 840-8502
- Japan
| | - Xin-Long Ni
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province
- Guizhou University
- Guiyang
- China
| | - Xi Zeng
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province
- Guizhou University
- Guiyang
- China
| | - Carl Redshaw
- Department of Chemistry
- The University of Hull
- Hull
- UK
| | - Takehiko Yamato
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Saga University
- Saga 840-8502
- Japan
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18
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Bou Zerdan R, Cohn P, Puodziukynaite E, Baker MB, Voisin M, Sarun C, Castellano RK. Synthesis, optical properties, and electronic structures of nucleobase-containing π-conjugated oligomers. J Org Chem 2015; 80:1828-40. [PMID: 25581330 DOI: 10.1021/jo502773g] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The molecular recognition properties of the nucleobases instruct the formation of complex three-dimensional architectures in natural and synthetic systems; relatively unexplored is their use as building blocks for π-conjugated materials where they might mutually tune electronic and supramolecular structures. Toward this goal, an introductory set (1a-d and 2a-d) of six purine-terminated and two pyrimidine-terminated π-conjugated oligomers has been synthesized and used to develop experimental electronic and photophysical structure-property trends. Unlike 2,2':5',2″-terthiophene (TTT) derivatives 2a-d, intramolecular charge transfer dominates oligomers 1a-d bearing a 4,7-bisthienylbenzothiadiazole (TBT) spacer due to the strong electron-accepting ability of its benzothiadiazole (BTD) ring. The resulting donor-acceptor-donor systems feature lower HOMO-LUMO gaps than the terthiophene-linked nucleobases (ΔE(g) ∼ 1.8 eV vs 2.4 eV based on electrochemical measurements), and the lowest so far for π-conjugated molecules that include nucleobases within the π-framework. Experiments reveal a dependence of photophysical and electronic structure on the nature of the nucleobase and are in good agreement with theoretical calculations performed at the B3LYP/6-31+G** level. Overall, the results show how nucleobase heterocycles can be installed within π-systems to tune optical and electronic properties. Future work will evaluate the consequences of these information-rich components on supramolecular π-conjugated structure.
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Affiliation(s)
- Raghida Bou Zerdan
- Department of Chemistry, University of Florida , P.O. Box 117200, Gainesville, Florida 32611, United States
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Wu YC, Prasad Bastakoti B, Pramanik M, Yamauchi Y, Kuo SW. Multiple hydrogen bonding mediates the formation of multicompartment micelles and hierarchical self-assembled structures from pseudo A-block-(B-graft-C) terpolymers. Polym Chem 2015. [DOI: 10.1039/c5py00663e] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Different multi-compartment micelle structures: raspberry-like spheres, core–shell–corona cylinders, nanostructured vesicles, onion-like structures, and woodlouse-like structures was found dependent upon selective solvent concentration.
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Affiliation(s)
- Yi-Chen Wu
- Department of Materials and Optoelectronic Science
- Center for Nanoscience and Nanotechnology
- National Sun Yat-Sen University
- Kaohsiung
- Taiwan
| | - Bishnu Prasad Bastakoti
- World Premier International (WPI) Research Center for Materials Nanoarchitectonics (MANA)
- National Institute for Materials Science (NIMS)
- Tsukuba
- Japan
| | - Malay Pramanik
- World Premier International (WPI) Research Center for Materials Nanoarchitectonics (MANA)
- National Institute for Materials Science (NIMS)
- Tsukuba
- Japan
| | - Yusuke Yamauchi
- World Premier International (WPI) Research Center for Materials Nanoarchitectonics (MANA)
- National Institute for Materials Science (NIMS)
- Tsukuba
- Japan
| | - Shiao-Wei Kuo
- Department of Materials and Optoelectronic Science
- Center for Nanoscience and Nanotechnology
- National Sun Yat-Sen University
- Kaohsiung
- Taiwan
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Thymine- and Adenine-Functionalized Polystyrene Form Self-Assembled Structures through Multiple Complementary Hydrogen Bonds. Polymers (Basel) 2014. [DOI: 10.3390/polym6061827] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Controlling the crystalline three-dimensional order in bulk materials by single-wall carbon nanotubes. Nat Commun 2014; 5:3763. [PMID: 24777055 DOI: 10.1038/ncomms4763] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2014] [Accepted: 03/31/2014] [Indexed: 11/08/2022] Open
Abstract
The construction of ordered single-wall carbon nanotube soft-materials at the nanoscale is currently an important challenge in science. Here we use single-wall carbon nanotubes as a tool to gain control over the crystalline ordering of three-dimensional bulk materials composed of suitably functionalized molecular building blocks. We prepare p-type nanofibres from tripeptide and pentapeptide-containing small molecules, which are covalently connected to both carboxylic and electron-donating 9,10-di(1,3-dithiol-2-ylidene)-9,10-dihydroanthracene termini. Adding small amounts of single-wall carbon nanotubes to the so-prepared p-nanofibres together with the externally controlled self assembly by charge screening by means of Ca(2+) results in new and stable single-wall carbon nanotube-based supramolecular gels featuring remarkably long-range internal order.
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Lin YC, Kuo SW. Polypeptide/Multiwalled carbon nanotube hybrid complexes stabilized through noncovalent bonding interactions. ACTA ACUST UNITED AC 2013. [DOI: 10.1002/pola.27000] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Yung-Chih Lin
- Department of Materials and Optoelectronic Science Center for Nanoscience and Nanotechnology; National Sun Yat-Sen University; Kaohsiung 80424 Taiwan
| | - Shiao-Wei Kuo
- Department of Materials and Optoelectronic Science Center for Nanoscience and Nanotechnology; National Sun Yat-Sen University; Kaohsiung 80424 Taiwan
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