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Jiang Q, Zhang M, Wang Z, Song J, Yang Y, Li W, Gu W, Xu X, Xu H, Wang S. Nopinone-based aggregation-induced emission (AIE)-active difluoroboron β-diketonate complex: photophysical, electrochemical and electroluminescence properties. RSC Adv 2018; 8:30055-30060. [PMID: 35547295 PMCID: PMC9085409 DOI: 10.1039/c8ra05031g] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Accepted: 08/14/2018] [Indexed: 02/04/2023] Open
Abstract
Four difluoroboron (BF2) β-diketonate nopinone complexes 3a–3d that exhibited typical aggregation-induced emission (AIE) properties were synthesized using the natural renewable β-pinene derivative nopinone as the starting material. The thermal, photophysical, electrochemical and electroluminescent properties as well as the AIE properties of complexes 3a–3d were analyzed systematically. The data of photophysical and electrochemical demonstrated that compound 3b with a methoxy group exhibited the largest bathochromic shift, the highest absolute photoluminescence quantum yields and narrowest optical bandgap among 3a–3d. Using 3b as the emitter, electroluminescent (EL) device I exhibits blue-green light with CIE coordinates of (0.2774, 0.4531) and showed a better performance with a luminous efficacy (ηp) of 7.09 lm W−1 and correlated color temperature (TC) of 7028 K. The results demonstrate that new AIE compounds are promising solid-state luminescent materials with practical utility in electroluminescent materials. Four difluoroboron (BF2) β-diketonate nopinone complexes 3a–3d which exhibited typical AIE property were synthesized. Owing to high absolute fluorescence quantum yields of 3b, EL device based on 3b was fabricated, which exhibits a blue-green light.![]()
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Affiliation(s)
- Qian Jiang
- College of Chemical Engineering
- Nanjing Forestry University
- Nanjing
- P. R. China
| | - Mingguang Zhang
- College of Chemical Engineering
- Nanjing Forestry University
- Nanjing
- P. R. China
| | - Zhonglong Wang
- College of Chemical Engineering
- Nanjing Forestry University
- Nanjing
- P. R. China
| | - Jie Song
- Department of Chemistry and Biochemistry
- University of Michigan-Flint
- Flint
- USA
| | - Yiqin Yang
- College of Chemical Engineering
- Nanjing Forestry University
- Nanjing
- P. R. China
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources
| | - Wenchao Li
- Sinofert
- Sinochem Group
- Beijing
- P. R. China
| | - Wen Gu
- College of Chemical Engineering
- Nanjing Forestry University
- Nanjing
- P. R. China
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources
| | - Xu Xu
- College of Chemical Engineering
- Nanjing Forestry University
- Nanjing
- P. R. China
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources
| | - Haijun Xu
- College of Chemical Engineering
- Nanjing Forestry University
- Nanjing
- P. R. China
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources
| | - Shifa Wang
- College of Chemical Engineering
- Nanjing Forestry University
- Nanjing
- P. R. China
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources
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2
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Cui K, Mali KS, Wu D, Feng X, Müllen K, Walter M, De Feyter S, Mertens SFL. Reversible Anion-Driven Switching of an Organic 2D Crystal at a Solid-Liquid Interface. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2017; 13:1702379. [PMID: 28960791 DOI: 10.1002/smll.201702379] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Revised: 09/07/2017] [Indexed: 06/07/2023]
Abstract
Ionic self-assembly of charged molecular building blocks relies on the interplay between long-range electrostatic forces and short-range, often cooperative, supramolecular interactions, yet has been seldom studied in two dimensions at the solid-liquid interface. Here, we demonstrate anion-driven switching of two-dimensional (2D) crystal structure at the Au(111)/octanoic acid interface. Using scanning tunneling microscopy (STM), three organic salts with identical polyaromatic cation (PQPC6+ ) but different anions (perchlorate, anthraquinonedisulfonate, benzenesulfonate) are shown to form distinct, highly ordered self-assembled structures. Reversible switching of the supramolecular arrangement is demonstrated by in situ exchange of the anion on the pre-formed adlayer, by changing the concentration ratio between the incoming and outgoing anion. Density functional theory (DFT) calculations reveal that perchlorate is highly mobile in the adlayer, and corroborate why this anion is only resolved transiently in STM. Surprisingly, the templating effect of the anion persists even where it does not become part of the adlayer 2D fabric, which we ascribe to differences in stabilization of cation conformations by the anion. Our results provide important insight into the structuring of mixed anion-cation adlayers. This is essential in the design of tectons for ionic self-assembled superstructures and biomimetic adaptive materials and valuable also to understand adsorbate-adsorbate interactions in heterogeneous catalysis.
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Affiliation(s)
- Kang Cui
- Department of Chemistry, KU Leuven, Celestijnenlaan 200F, 3001, Leuven, Belgium
| | - Kunal S Mali
- Department of Chemistry, KU Leuven, Celestijnenlaan 200F, 3001, Leuven, Belgium
| | - Dongqing Wu
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Xinliang Feng
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Klaus Müllen
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Michael Walter
- University of Freiburg, Institute of Physics and FIT - Freiburg Center for Interactive Materials and Bioinspired Technologies, Georges-Köhler-Allee 105, 79110, Freiburg, Germany
- Fraunhofer IWM, Wöhlerstraße 11, 79108, Freiburg, Germany
| | - Steven De Feyter
- Department of Chemistry, KU Leuven, Celestijnenlaan 200F, 3001, Leuven, Belgium
| | - Stijn F L Mertens
- Department of Chemistry, KU Leuven, Celestijnenlaan 200F, 3001, Leuven, Belgium
- Institut für Angewandte Physik, TU Wien, Wiedner Hauptstraße 8-10/E134, 1040, Wien, Austria
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Yamakado R, Ashida Y, Sato R, Shigeta Y, Yasuda N, Maeda H. Cooperatively Interlocked [2+1]-Type π-System-Anion Complexes. Chemistry 2017; 23:4160-4168. [DOI: 10.1002/chem.201605765] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2016] [Indexed: 11/07/2022]
Affiliation(s)
- Ryohei Yamakado
- Department of Applied Chemistry; College of Life Sciences; Ritsumeikan University; Kusatsu 525-8577 Japan
| | - Yukina Ashida
- Department of Applied Chemistry; College of Life Sciences; Ritsumeikan University; Kusatsu 525-8577 Japan
| | - Ryuma Sato
- Department of Physics; Graduate School of Pure and Applied Sciences; University of Tsukuba; Tsukuba 305-8577 Japan
| | - Yasuteru Shigeta
- Department of Physics; Graduate School of Pure and Applied Sciences; University of Tsukuba; Tsukuba 305-8577 Japan
| | - Nobuhiro Yasuda
- Research and Utilization Division; Japan Synchrotron Radiation Research Institute; Sayo 679-5198 Japan
| | - Hiromitsu Maeda
- Department of Applied Chemistry; College of Life Sciences; Ritsumeikan University; Kusatsu 525-8577 Japan
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4
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Hirsch BE, McDonald KP, Tait SL, Flood AH. Physical and chemical model of ion stability and movement within the dynamic and voltage-gated STM tip–surface tunneling junction. Faraday Discuss 2017; 204:159-172. [DOI: 10.1039/c7fd00104e] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The interaction and mobility of ions in complex systems are fundamental to processes throughout chemistry, biology, and physics. However, nanoscale characterization of ion stability and migration remains poorly understood. Here, we examine ion movements to and from physisorbed molecular receptors at solution–graphite interfaces by developing a theoretical model alongside experimental scanning tunneling microscopy (STM) results. The model includes van der Waals forces and electrostatic interactions originating from the surface, tip, and physisorbed receptors, as well as a tip–surface electric field arising from the STM bias voltage (Vb). Our model reveals how both the electric field and tip–surface distance, dtip, can influence anion stability at the receptor binding sites on the surface or at the STM tip, as well as the size of the barrier for anion transitions between those locations. These predictions agree well with prior and new STM results from the interactions of anions with aryl-triazole receptors that order into functional monolayers on graphite. Scanning produces clear resolution at large magnitude negative surface biases (−0.8 V) while resolution degrades at small negative surface biases (−0.4 V). The loss in resolution arises from frequent tip retractions assigned to anion migration within the tip–surface tunneling region. This experimental evidence in combination with support from the model demonstrates a local voltage gating of anions with the STM tip inside physisorbed receptors. This generalized model and experimental evidence may help to provide a basis to understand the nanoscale details of related chemical transformations and their underlying thermodynamic and kinetic preferences.
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Affiliation(s)
| | | | | | - Amar H. Flood
- Department of Chemistry
- Indiana University
- Bloomington
- USA
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6
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Mo S, Xu C, Xu J. Expeditious and Convenient Synthesis of Polycyclic Difluoroboron Complexes of 2-Oxoindoline-3-carboxamides by Tandem Reaction. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201600118] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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7
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Dey SK, Basu A, Chutia R, Das G. Anion coordinated capsules and pseudocapsules of tripodal amide, urea and thiourea scaffolds. RSC Adv 2016. [DOI: 10.1039/c6ra00268d] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
This review provides a detailed and comparative account of the solid- and solution-states anion (halides and oxyanions) binding affinities of hydrogen bonding tripodal scaffolds.
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Affiliation(s)
| | - Arghya Basu
- Department of Chemistry
- Indian Institute of Technology Guwahati
- India
| | - Romen Chutia
- Department of Chemistry
- Indian Institute of Technology Guwahati
- India
| | - Gopal Das
- Department of Chemistry
- Indian Institute of Technology Guwahati
- India
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8
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Haketa Y, Yamakado R, Maeda H. Anion-Responsive π-Electronic Systems Providing Ion-Pairing Assemblies. J SYN ORG CHEM JPN 2016. [DOI: 10.5059/yukigoseikyokaishi.74.243] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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9
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White NG, MacLachlan MJ. Anion-templated hexagonal nanotubes. Chem Sci 2015; 6:6245-6249. [PMID: 30090242 PMCID: PMC6054046 DOI: 10.1039/c5sc02577j] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2015] [Accepted: 08/20/2015] [Indexed: 12/27/2022] Open
Abstract
Hydrogen bonding between bromide anions and a tetrahydroxytriptycene ligand was used to assemble crystalline hexagonal tubes with nanometer diameters in good yield. Use of a hexahydroxytriptycene ligand again gave hexagonal nanotubes, but containing the spontaneously-oxidised quinone-tetrahydroxy ligand. The surprisingly robust nanotubes are stable to heat, vacuum and water, and represent an unprecedented use of O-H···anion coordination to assemble complex three-dimensional structures.
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Affiliation(s)
- Nicholas G White
- Department of Chemistry , University of British Columbia , 2036 Main Mall , Vancouver , BC V6T 1Z1 , Canada .
| | - Mark J MacLachlan
- Department of Chemistry , University of British Columbia , 2036 Main Mall , Vancouver , BC V6T 1Z1 , Canada .
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Hieulle J, Peyrot D, Jiang Z, Silly F. Engineering two-dimensional hybrid NaCl–organic coordinated nanoarchitectures on metal surfaces. Chem Commun (Camb) 2015; 51:13162-5. [DOI: 10.1039/c5cc01892g] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We selectively engineer three two-dimensional self-assembled hybrid PTCDI–NaCl nanoarchitectures,i.e.a flower-structure, a mesh-structure and a chain-structure on Au(111).
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11
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Hirsch BE, McDonald KP, Qiao B, Flood AH, Tait SL. Selective anion-induced crystal switching and binding in surface monolayers modulated by electric fields from scanning probes. ACS NANO 2014; 8:10858-10869. [PMID: 25257197 DOI: 10.1021/nn504685t] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Anion-selective (Br(-) and I(-)) and voltage-driven crystal switching between two differently packed phases (α ⇆ β) was observed in 2D crystalline monolayers of aryl-triazole receptors ordered at solution-graphite interfaces. Addition of Br(-) and I(-) was found to stimulate the α → β phase transformation and to produce ion binding to the β phase assembly, while Cl(-) and BF4(-) addition retained the α phase. Unlike all other surface assemblies of either charged molecules or ion-templated 2D crystallization of metal-ligand or receptor-based adsorbates, the polarity of the electric field between the localized scanning tip and the graphite substrate was found to correlate with phase switching: β → α is driven at -1.5 V, while α → β occurs at +1.1 V. Ion-pairing between the countercations and the guest anions was also observed. These observations are supported by control studies including variation of anion species, relative anion concentration, surface temperature, tip voltage, and scanning time.
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Affiliation(s)
- Brandon E Hirsch
- Department of Chemistry, Indiana University , 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, United States
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Hirsch BE, Lee S, Qiao B, Chen CH, McDonald KP, Tait SL, Flood AH. Anion-induced dimerization of 5-fold symmetric cyanostars in 3D crystalline solids and 2D self-assembled crystals. Chem Commun (Camb) 2014; 50:9827-30. [DOI: 10.1039/c4cc03725a] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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13
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Kojima T, Hiraoka S. Selective Alternate Derivatization of the Hexaphenylbenzene Framework through a Thermodynamically Controlled Halogen Dance. Org Lett 2014; 16:1024-7. [DOI: 10.1021/ol500041j] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Tatsuo Kojima
- Department of Integrated
Sciences, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan
| | - Shuichi Hiraoka
- Department of Integrated
Sciences, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan
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14
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Maeda H. Supramolecular Chemistry of Pyrrole-Based π-Conjugated Molecules. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2013. [DOI: 10.1246/bcsj.20130219] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Maeda H, Shirai T, Bando Y, Takaishi K, Uchiyama M, Muranaka A, Kawai T, Naito M. Chiroptical control in helical receptor-anion complexes. Org Lett 2013; 15:6006-9. [PMID: 24245585 DOI: 10.1021/ol402895r] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Dimers of appropriately arranged anion-responsive π-conjugated moieties form helical structures by interaction with chiral anions. Terphenyl-bridged dimers of dipyrrolyldiketone boron complexes show chirality induced by binding l-amino acid anions, as observed by circular dichroism (CD) and circularly polarized luminescence (CPL). The preferred configurations of helical structures depend on the geometries of the terphenyl spacer moieties.
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Affiliation(s)
- Hiromitsu Maeda
- College of Pharmaceutical Sciences, Ritsumeikan University , Kusatsu 525-8577, Japan, Advanced Elements Chemistry Research Team and Elements Chemistry Laboratory, RIKEN , Wako 351-0198, Japan, Faculty of Science and Technology, Seikei University , Musashino 180-8633, Japan, Graduate School of Pharmaceutical Sciences, The University of Tokyo , Tokyo 113-0033, Japan, PRESTO, Japan Science and Technology Agency (JST), Kawaguchi 332-0012, Japan, Graduate School of Materials Science, Nara Institute of Science and Technology (NAIST) , Ikoma 630-0192, Japan, and National Institute for Materials Science (NIMS) , Tsukuba 305-0044, Japan
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Recent progress in research on stimuli-responsive circularly polarized luminescence based on π-conjugated molecules. PURE APPL CHEM 2013. [DOI: 10.1351/pac-con-12-11-09] [Citation(s) in RCA: 121] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
This short review article summarizes recent progress in research on various stimuli-responsive circularly polarized luminescence (CPL) properties derived from π-conjugated molecules and related materials. As representative examples, assembled structures of chiral π-conjugated polymers and molecules showed tunable CPL resulting from the enhancement of chirality induction by aggregation. Fascinating CPL-active species, pyrrole-based anion-responsive π-conjugated molecules exhibiting CPL induced by anion binding and ion pairing, are also discussed.
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