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Taniya OS, Khasanov AF, Sadieva LK, Santra S, Nikonov IL, Al-Ithawi WKA, Kovalev IS, Kopchuk DS, Zyryanov GV, Ranu BC. Polymers and Polymer-Based Materials for the Detection of (Nitro-)explosives. MATERIALS (BASEL, SWITZERLAND) 2023; 16:6333. [PMID: 37763611 PMCID: PMC10532833 DOI: 10.3390/ma16186333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/17/2023] [Accepted: 09/18/2023] [Indexed: 09/29/2023]
Abstract
Methods for the remote detection of warfare agents and explosives have been in high demand in recent times. Among the several detection methods, fluorescence methods appear to be more convenient due to their low cost, simple operation, fast response time, and naked-eye-visible sensory response. For fluorescence methods, a large variety of fluorescent materials, such as small-molecule-based fluorophores, aggregation-induced emission fluorophores/materials, and supramolecular systems, have been reported in the literature. Among them, fluorescent (bio)polymers/(bio)polymer-based materials have gained wide attention due to their excellent mechanical properties and sensory performance, their ability to recognize explosives via different sensing mechanisms and their combinations, and, finally, the so-called amplification of the sensory response. This review provides the most up-to-date data on the utilization of polymers and polymer-based materials for the detection of nitroaromatic compounds (NACs)/nitro-explosives (NEs) in the last decade. The literature data have been arranged depending on the polymer type and/or sensory mechanism.
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Affiliation(s)
- Olga S. Taniya
- Chemical Engineering Institute, Ural Federal University, 19 Mira Str., 620002 Yekaterinburg, Russia; (O.S.T.); (A.F.K.); (L.K.S.); (S.S.); (I.L.N.); (W.K.A.A.-I.); (I.S.K.); (D.S.K.); (B.C.R.)
| | - Albert F. Khasanov
- Chemical Engineering Institute, Ural Federal University, 19 Mira Str., 620002 Yekaterinburg, Russia; (O.S.T.); (A.F.K.); (L.K.S.); (S.S.); (I.L.N.); (W.K.A.A.-I.); (I.S.K.); (D.S.K.); (B.C.R.)
| | - Leila K. Sadieva
- Chemical Engineering Institute, Ural Federal University, 19 Mira Str., 620002 Yekaterinburg, Russia; (O.S.T.); (A.F.K.); (L.K.S.); (S.S.); (I.L.N.); (W.K.A.A.-I.); (I.S.K.); (D.S.K.); (B.C.R.)
| | - Sougata Santra
- Chemical Engineering Institute, Ural Federal University, 19 Mira Str., 620002 Yekaterinburg, Russia; (O.S.T.); (A.F.K.); (L.K.S.); (S.S.); (I.L.N.); (W.K.A.A.-I.); (I.S.K.); (D.S.K.); (B.C.R.)
| | - Igor L. Nikonov
- Chemical Engineering Institute, Ural Federal University, 19 Mira Str., 620002 Yekaterinburg, Russia; (O.S.T.); (A.F.K.); (L.K.S.); (S.S.); (I.L.N.); (W.K.A.A.-I.); (I.S.K.); (D.S.K.); (B.C.R.)
- I. Ya. Postovsky Institute of Organic Synthesis of RAS (Ural Division), 22/20 S. Kovalevskoy/Akademicheskaya Str., 620219 Yekaterinburg, Russia
| | - Wahab K. A. Al-Ithawi
- Chemical Engineering Institute, Ural Federal University, 19 Mira Str., 620002 Yekaterinburg, Russia; (O.S.T.); (A.F.K.); (L.K.S.); (S.S.); (I.L.N.); (W.K.A.A.-I.); (I.S.K.); (D.S.K.); (B.C.R.)
- Energy and Renewable Energies Technology Center, University of Technology-Iraq, Baghdad 10066, Iraq
| | - Igor S. Kovalev
- Chemical Engineering Institute, Ural Federal University, 19 Mira Str., 620002 Yekaterinburg, Russia; (O.S.T.); (A.F.K.); (L.K.S.); (S.S.); (I.L.N.); (W.K.A.A.-I.); (I.S.K.); (D.S.K.); (B.C.R.)
| | - Dmitry S. Kopchuk
- Chemical Engineering Institute, Ural Federal University, 19 Mira Str., 620002 Yekaterinburg, Russia; (O.S.T.); (A.F.K.); (L.K.S.); (S.S.); (I.L.N.); (W.K.A.A.-I.); (I.S.K.); (D.S.K.); (B.C.R.)
- I. Ya. Postovsky Institute of Organic Synthesis of RAS (Ural Division), 22/20 S. Kovalevskoy/Akademicheskaya Str., 620219 Yekaterinburg, Russia
| | - Grigory V. Zyryanov
- Chemical Engineering Institute, Ural Federal University, 19 Mira Str., 620002 Yekaterinburg, Russia; (O.S.T.); (A.F.K.); (L.K.S.); (S.S.); (I.L.N.); (W.K.A.A.-I.); (I.S.K.); (D.S.K.); (B.C.R.)
- I. Ya. Postovsky Institute of Organic Synthesis of RAS (Ural Division), 22/20 S. Kovalevskoy/Akademicheskaya Str., 620219 Yekaterinburg, Russia
| | - Brindaban C. Ranu
- Chemical Engineering Institute, Ural Federal University, 19 Mira Str., 620002 Yekaterinburg, Russia; (O.S.T.); (A.F.K.); (L.K.S.); (S.S.); (I.L.N.); (W.K.A.A.-I.); (I.S.K.); (D.S.K.); (B.C.R.)
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
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Zhang T, Ren W, Xiao F, Li J, Zu B, Dou X. Engineered olfactory system for in vitro artificial nose. ENGINEERED REGENERATION 2022. [DOI: 10.1016/j.engreg.2022.09.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Huang S, Wang E, Tong J, Shan GG, Liu S, Feng H, Qin C, Wang X, Su Z. Rational design of AIE-active biodegradable polycarbonates for high-performance WLED and selective detection of nitroaromatic explosives. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.108008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Liu B, Chu B, Zhu L, Zhang H, Yuan WZ, Zhao Z, Wan WM, Zhang XH. Clusteroluminescence: A gauge of molecular interaction. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.107909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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5
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Kausar F, Rasheed T, Tuoqeer Anwar M, Ali J. Revisiting the Role of Sulfur based Compounds in monitoring of Various analytes through spectroscopical investigations. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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He B, Zhang S, Zhang Y, Li G, Zhang B, Ma W, Rao B, Song R, Zhang L, Zhang Y, He G. ortho-Terphenylene Viologens with Through-Space Conjugation for Enhanced Photocatalytic Oxidative Coupling and Hydrogen Evolution. J Am Chem Soc 2022; 144:4422-4430. [PMID: 35143191 DOI: 10.1021/jacs.1c11577] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
A series of novel ortho-terphenylene viologen derivatives (o-TPV2+) with through-space conjugation (TSC) via the combination of ortho-terphenylene skeletons with viologen structure is reported. Their optoelectronic properties can be adjusted by N-arylation or N-alkylation reactions. Compared with other viologen derivatives, o-TPV2+ not only exhibits strong photoluminescence but also retards the charge recombination process and stabilizes the diradical state without forming a quinoid structure due to the special TSC effect. Based on their special redox characteristics, o-TPV2+ was applied to the photocatalytic oxidative coupling of benzylamine with 96% yield. In addition, pTA-o-TPV2+ (tethered with p-toluic acid)-modified g-C3N4 was used for visible-light-driven hydrogen production for the first time, exceeding 15 times the rate over unmodified g-C3N4.
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Affiliation(s)
- Ben He
- School of Chemistry, Xi'an Jiaotong University, Xi'an, Shaanxi Province 710049, People's Republic of China
| | - Sikun Zhang
- Key Laboratory of Thermo-Fluid Science and Engineering of Ministry of Education, Frontier Institute of Science and Technology, State Key Laboratory for Strength and Vibration of Mechanical Structures, Xi'an Jiaotong University, Xi'an, Shaanxi Province 710054, People's Republic of China
| | - Yueyan Zhang
- Key Laboratory of Thermo-Fluid Science and Engineering of Ministry of Education, Frontier Institute of Science and Technology, State Key Laboratory for Strength and Vibration of Mechanical Structures, Xi'an Jiaotong University, Xi'an, Shaanxi Province 710054, People's Republic of China
| | - Guoping Li
- Key Laboratory of Thermo-Fluid Science and Engineering of Ministry of Education, Frontier Institute of Science and Technology, State Key Laboratory for Strength and Vibration of Mechanical Structures, Xi'an Jiaotong University, Xi'an, Shaanxi Province 710054, People's Republic of China
| | - Bingjie Zhang
- Key Laboratory of Thermo-Fluid Science and Engineering of Ministry of Education, Frontier Institute of Science and Technology, State Key Laboratory for Strength and Vibration of Mechanical Structures, Xi'an Jiaotong University, Xi'an, Shaanxi Province 710054, People's Republic of China
| | - Wenqiang Ma
- Key Laboratory of Thermo-Fluid Science and Engineering of Ministry of Education, Frontier Institute of Science and Technology, State Key Laboratory for Strength and Vibration of Mechanical Structures, Xi'an Jiaotong University, Xi'an, Shaanxi Province 710054, People's Republic of China
| | - Bin Rao
- School of Chemistry, Xi'an Jiaotong University, Xi'an, Shaanxi Province 710049, People's Republic of China
| | - Ruitong Song
- Key Laboratory of Thermo-Fluid Science and Engineering of Ministry of Education, Frontier Institute of Science and Technology, State Key Laboratory for Strength and Vibration of Mechanical Structures, Xi'an Jiaotong University, Xi'an, Shaanxi Province 710054, People's Republic of China
| | - Lei Zhang
- School of Optoelectronic Engineering, Xidian University, Xi'an, Shaanxi Province 710126, People's Republic of China
| | - Yanfeng Zhang
- School of Chemistry, Xi'an Jiaotong University, Xi'an, Shaanxi Province 710049, People's Republic of China
| | - Gang He
- School of Chemistry, Xi'an Jiaotong University, Xi'an, Shaanxi Province 710049, People's Republic of China.,Key Laboratory of Thermo-Fluid Science and Engineering of Ministry of Education, Frontier Institute of Science and Technology, State Key Laboratory for Strength and Vibration of Mechanical Structures, Xi'an Jiaotong University, Xi'an, Shaanxi Province 710054, People's Republic of China
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Bhaumick P, Jana A, Choudhury LH. Synthesis of novel coumarin containing conjugated fluorescent polymers by Suzuki cross-coupling reactions and their chemosensing studies for iron and mercury ions. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.123415] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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9
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Yin X, Pang H, Luo Y, Zhang B. Eco-friendly functional two-component flame-retardant waterborne polyurethane coatings: a review. Polym Chem 2021. [DOI: 10.1039/d1py00920f] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Green functional two-component flame-retardant waterborne polyurethane (2K-FWPU) coatings possess outstanding green traits, such as providing eco-friendly protection, having low toxicity, and generating no pollution.
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Affiliation(s)
- Xuan Yin
- College of Mechanical and Electrical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Haosheng Pang
- State Key Laboratory of Tribology, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China
| | - Yunjun Luo
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Bing Zhang
- College of Mechanical and Electrical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
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Nie J, Wang Z, Huang X, Lu G, Feng C. Uniform Continuous and Segmented Nanofibers Containing a π-Conjugated Oligo(p-phenylene ethynylene) Core via “Living” Crystallization-Driven Self-Assembly: Importance of Oligo(p-phenylene ethynylene) Chain Length. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c01199] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Jiucheng Nie
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, People’s Republic of China
- School of Physical Science & Technology, ShanghaiTech University, 100 Haike Road, Shanghai 201210, People’s Republic of China
| | - Zhiqin Wang
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, People’s Republic of China
| | - Xiaoyu Huang
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, People’s Republic of China
- School of Physical Science & Technology, ShanghaiTech University, 100 Haike Road, Shanghai 201210, People’s Republic of China
| | - Guolin Lu
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, People’s Republic of China
| | - Chun Feng
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, People’s Republic of China
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Klapec DJ, Czarnopys G, Pannuto J. Interpol review of detection and characterization of explosives and explosives residues 2016-2019. Forensic Sci Int Synerg 2020; 2:670-700. [PMID: 33385149 PMCID: PMC7770463 DOI: 10.1016/j.fsisyn.2020.01.020] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 01/23/2020] [Indexed: 02/06/2023]
Abstract
This review paper covers the forensic-relevant literature for the analysis and detection of explosives and explosives residues from 2016-2019 as a part of the 19th Interpol International Forensic Science Managers Symposium. The review papers are also available at the Interpol website at: https://www.interpol.int/Resources/Documents#Publications.
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Affiliation(s)
- Douglas J. Klapec
- United States Department of Justice, Bureau of Alcohol, Tobacco, Firearms and Explosives, Forensic Science Laboratory, 6000 Ammendale Road, Ammendale, MD, 20705, USA
| | - Greg Czarnopys
- United States Department of Justice, Bureau of Alcohol, Tobacco, Firearms and Explosives, Forensic Science Laboratory, 6000 Ammendale Road, Ammendale, MD, 20705, USA
| | - Julie Pannuto
- United States Department of Justice, Bureau of Alcohol, Tobacco, Firearms and Explosives, Forensic Science Laboratory, 6000 Ammendale Road, Ammendale, MD, 20705, USA
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13
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Chen C, Geng F, Wang Y, Yu H, Li L, Yang S, Liu J, Huang W. Design of a nanoswitch for sequentially multi-species assay based on competitive interaction between DNA-templated fluorescent copper nanoparticles, Cr3+ and pyrophosphate and ALP. Talanta 2019; 205:120132. [DOI: 10.1016/j.talanta.2019.120132] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 07/01/2019] [Accepted: 07/08/2019] [Indexed: 11/15/2022]
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14
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Patel S, Seet J, Li L, Duhamel J. Detection of Nitroaromatics by Pyrene-Labeled Starch Nanoparticles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:13145-13156. [PMID: 31498989 DOI: 10.1021/acs.langmuir.9b02371] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Starch nanoparticles (SNPs) were hydrophobically modified by using 1-pyrenebutyric acid (PyBA) with degrees of substitution (DS) between 0.0006 and 0.11. Fluorescence quenching studies were conducted on the pyrene-labeled starch nanoparticles (Py-SNPs) in dimethyl sulfoxide (DMSO) and water with nitromethane (NM), 4-mononitrotoluene (MNT), 2,6-dinitrotoluene (DNT), and 2,4,6-trinitrotoluene (TNT) to assess the mode of quenching of the pyrene labels in the two solvents. In DMSO where pyrene, starch, and the quenchers were soluble, a decrease in fluorescence signal was the result of dynamic encounters between the excited pyrene labels and the nitrated quenchers. In water where starch could be dispersed but pyrene and the nitroaromatic compounds (NACs) were sparingly soluble, quenching took place through the binding of NACs to pyrene aggregates. Py(11)-SNPs (Py-SNPs with a DS of 0.11)-coated filter papers (Py-CFPs) were prepared as fluorescence sensors. The fluorescence emitted by Py-CFPs was quenched to 25% of its original value within 10 ± 2, 72 ± 20, and 23 ± 4 s upon exposure to vapors of MNT, DNT, and TNT, respectively. When known amounts of NACs were deposited onto Py-CFPs, their limit of detection (LOD) when the fluorescence decreased by more than 3 standard deviations (3σ) from its original value equaled 9.2 ± 0.8, 3.3 ± 0.5, and 0.20 ± 0.02 ng/mm2 for MNT, DNT, and TNT, respectively. These response times and LODs were among the best values reported to date in the scientific literature for fluorescence sensors. The selectivity of the Py-CFPs toward NACs was also investigated by comparing their response to the presence of non-nitrated aromatics, amines, and aromatic ketones. Quenching was only observed with the latter family of chemicals tested, but with much lower efficiency compared to TNT, thus reflecting some level of selectivity toward this specific NAC.
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Affiliation(s)
- Sanjay Patel
- Institute for Polymer Research, Waterloo Institute for Nanotechnology, Department of Chemistry , University of Waterloo , Waterloo , ON N2L 3G1 , Canada
| | - Jonathan Seet
- Institute for Polymer Research, Waterloo Institute for Nanotechnology, Department of Chemistry , University of Waterloo , Waterloo , ON N2L 3G1 , Canada
| | - Lu Li
- Institute for Polymer Research, Waterloo Institute for Nanotechnology, Department of Chemistry , University of Waterloo , Waterloo , ON N2L 3G1 , Canada
| | - Jean Duhamel
- Institute for Polymer Research, Waterloo Institute for Nanotechnology, Department of Chemistry , University of Waterloo , Waterloo , ON N2L 3G1 , Canada
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Xie Y, Li Z. Recent Advances in the
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Isomers of Tetraphenylethene Derivatives: Stereoselective Synthesis, AIE Mechanism, Photophysical Properties, and Application as Chemical Probes. Chem Asian J 2019; 14:2524-2541. [DOI: 10.1002/asia.201900282] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Revised: 04/09/2019] [Indexed: 12/31/2022]
Affiliation(s)
- Yujun Xie
- Institute of Molecular Aggregation ScienceTianjin University Tianjin 300072 P. R. China
| | - Zhen Li
- Institute of Molecular Aggregation ScienceTianjin University Tianjin 300072 P. R. China
- Department of ChemistryWuhan University Wuhan 430072 P. R. China
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Li J, Shen P, Zhao Z, Tang BZ. Through-Space Conjugation: A Thriving Alternative for Optoelectronic Materials. CCS CHEMISTRY 2019. [DOI: 10.31635/ccschem.019.20180020] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Efficient electronic coupling is the key to constructing optoelectronic functional π systems. Generally, the delocalization of π electrons must comply with the framework constructed by covalent bonds (typically σ bonds), representing classic through-bond conjugation. However, through-space conjugation offers an alternative that achieves spatial electron communication with closely stacked π systems instead of covalent
bonds thus enabling multidimensional energy and charge transport. Because of the ever-accelerating advances of through-space conjugation studies, researchers are inspired greatly by the beauty of through-space conjugated systems and their potential
in high-tech applications. In this mini review, we introduce some representative and newly developed π systems having the through-space conjugation feature. In addition to discussing the profound impacts of through-space conjugation on the luminescence
properties and charge transport, we will review some impressive findings of distinctive molecules with attractive characteristics, such as aggregation-induced emission, thermally activated delayed fluorescence, bipolar charge transport, and multichannel. These achievements may bring about new breakthroughs of theory, materials, and devices in the fields of organic electronics and molecular electronics.
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Ye X, Wang H, Yu L, Zhou J. Aggregation-Induced Emission (AIE)-Labeled Cellulose Nanocrystals for the Detection of Nitrophenolic Explosives in Aqueous Solutions. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E707. [PMID: 31067707 PMCID: PMC6567080 DOI: 10.3390/nano9050707] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 04/25/2019] [Accepted: 04/29/2019] [Indexed: 12/30/2022]
Abstract
Aggregation-induced emission (AIE) active cellulose nanocrystals (TPE-CNCs) were synthesized by attaching tetraphenylethylene (TPE) to cellulose nanocrystals (CNCs). The structure and morphology of TPE-CNCs were characterized by FT-IR, XRD, ζ-potential measurements, elemental analysis, TEM, atomic force microscopy (AFM), and dynamic laser light scattering (DLS). Fluorescent properties of TPE-CNCs were also further studied. Unlike aggregation-caused quenching (ACQ), TPE-CNCs emitted weak fluorescence in the dilute suspensions, while emitting efficiently in the aggregated states. The AIE mechanism of TPE-CNCs was attributed to the restriction of an intramolecular rotation (RIR) process in the aggregated states. TPE-CNCs displayed good dispersity in water and stable fluorescence, which was reported through the specific detection of nitrophenolic explosives in aqueous solutions by a fluorescence quenching assay. The fluorescence emissions of TPE-CNCs showed quantitative and sensitive responses to picric acid (PA), 2,4-dinitro-phenol (DNP), and 4-nitrophenol (NP), and the detection limits were 220, 250, and 520 nM, respectively. Fluorescence quenching occurred through a static mechanism via the formation of a nonfluorescent complex between TPE-CNCs and nitrophenolic analytes. A fluorescence lifetime measurement revealed that the quenching was a static process. The results demonstrated that TPE-CNCs were excellent sensors for the detection of nitrophenolic explosives in aqueous systems, which has great potential applications in chemosensing and bioimaging.
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Affiliation(s)
- Xiu Ye
- Department of Chemistry, Engineering Research Center of Natural Polymer-based Medical Materials in Hubei Province, and Key Laboratory of Biomedical Polymers of Ministry of Education, Wuhan University, Wuhan 430072, China.
| | - Haoying Wang
- Department of Chemistry, Engineering Research Center of Natural Polymer-based Medical Materials in Hubei Province, and Key Laboratory of Biomedical Polymers of Ministry of Education, Wuhan University, Wuhan 430072, China.
| | - Lisha Yu
- Department of Chemistry, Engineering Research Center of Natural Polymer-based Medical Materials in Hubei Province, and Key Laboratory of Biomedical Polymers of Ministry of Education, Wuhan University, Wuhan 430072, China.
| | - Jinping Zhou
- Department of Chemistry, Engineering Research Center of Natural Polymer-based Medical Materials in Hubei Province, and Key Laboratory of Biomedical Polymers of Ministry of Education, Wuhan University, Wuhan 430072, China.
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Chen Y, Tan Y, Tan C, Lu Y, Chen Y, Jiang Y. Naphthalimide-containing conjugated polyelectrolytes with different chain configurations. Org Biomol Chem 2019; 17:2635-2639. [DOI: 10.1039/c9ob00219g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Different polymer chain configurations along the main chains of poly(naphthalimide and phenylene ethynylene)s lead to dramatic differences in polymer conformations and photophysical properties.
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Affiliation(s)
- Yu Chen
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- P. R. China
- The State Key Laboratory of Chemical Oncogenomics
| | - Ying Tan
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- P. R. China
- The State Key Laboratory of Chemical Oncogenomics
| | - Chunyan Tan
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- P. R. China
- The State Key Laboratory of Chemical Oncogenomics
| | - Yunpeng Lu
- Division of Chemistry and Biochemistry
- School of Physical and Mathematical Sciences
- Nanyang Technological University
- Singapore 637371
| | - Yuzong Chen
- The State Key Laboratory of Chemical Oncogenomics
- the Graduate School at Shenzhen
- Tsinghua University
- Shenzhen 518055
- P. R. China
| | - Yuyang Jiang
- The State Key Laboratory of Chemical Oncogenomics
- the Graduate School at Shenzhen
- Tsinghua University
- Shenzhen 518055
- P. R. China
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