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Guo Z, Liu X, Che Y, Xing H. Crystal-Defect-Induced Longer Lifetime of Excited States in a Metal-Organic Framework Photocatalyst to Enhance Visible-Light-Mediated CO 2 Reduction. Inorg Chem 2024; 63:13005-13013. [PMID: 38954791 DOI: 10.1021/acs.inorgchem.4c01738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
Abstract
We report the structural defects in Zr-metal-organic framework (MOFs) for achieving highly efficient CO2 reduction under visible light irradiation. A series of defective Zr-MOF-X (X = 160, 240, 320, or 400) are synthesized by acid-regulated defect engineering. Compared to pristine defect-free Zr-MOF (NNU-28), N2 uptake increases for Zr-MOF-X synthesized with the HAc modulator, producing a larger pore space and Brunauer-Emmett-Teller surface area. The pore size distribution demonstrates that defective Zr-MOF-X exhibits mesoporous structures. Electrochemistry tests show that defective Zr-MOF-X possesses a more negative reduction potential and a higher photocurrent responsive signal than that of pristine NNU-28. Consequently, the defective samples exhibit a significantly higher efficiency in the photoreduction of CO2 to formate. Transient absorption spectroscopies manifest that structural defects modulate the excited-state behivior of Zr-MOF-X and improve the photogenerated charge separation of Zr-MOF-X. Furthermore, electron paramagnetic resonance and in-suit X-ray photoelectron spectroscopy provide additional evidence of the high photocatalytic performance exhibited by defective Zr-MOF-X. Results demonstrate that structural defects in Zr-MOF-X also improve the charge transfer, producing abundant Zr(III) catalytically active sites, exhibiting a slower decay process than defect-free Zr-MOF. The long-lifetime Zr(III) species in defective Zr-MOF-X are fully exposed to a high-concentration CO2 atmosphere, thereby enhancing the photocatalytic efficiency of CO2 reduction.
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Affiliation(s)
- Zhifen Guo
- Key Laboratory of Innovative Applications of Bioresources and Functional Molecules of Jiangsu Province, School of Life Sciences and Chemical Engineering, Jiangsu Second Normal University, Nanjing 211200, China
- Provincial Key Laboratory of Advanced Energy Materials, College of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Xin Liu
- Provincial Key Laboratory of Advanced Energy Materials, College of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Yan Che
- Provincial Key Laboratory of Advanced Energy Materials, College of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Hongzhu Xing
- Provincial Key Laboratory of Advanced Energy Materials, College of Chemistry, Northeast Normal University, Changchun 130024, China
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2
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Ghosh A, Karmakar S, Dey A, Maji TK. Modular Gating of Ion Transport by Postsynthetic Charge Transfer Complexation in a Metal-Organic Framework. J Am Chem Soc 2023. [PMID: 38051543 DOI: 10.1021/jacs.3c11024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
Nature's design of biological ion channels that demonstrates efficient gating and selectivity brings to light a very promising model to mimic and design for achieving selective and tunable ion transport. Functionalized nanopores that permit modulation of the pore wall charges are a compelling approach to gain control over the ion transport mechanism through the pores. This makes way for employing a noncovalent supramolecular approach for attaining charge reversal of the MOF pore walls using donor-acceptor pairs that can demonstrate strong charge transfer interactions. Herein, robust Zr4+-based mesoporous MOF-808 was postsynthetically modified into an anion-selective nanochannel (MOF-808-MV) by modification with dicationic viologen-based motifs. Charge modulation and even reversal of the MOF-808-MV pore walls were then explored taking advantage of strong charge transfer interactions between the grafted dicationic viologen acceptor moieties and anionic, π-electron-rich donor guest molecules such as pyranine (PYR) and tetrathiafulvalene tetrabenzoic acid (TTF-TA). Tunability of the MOF pore charge from positive to neutral to negative was achieved via simple methodologies such as diffusion control in case of guest molecule like PYR and by pH modulation for pH-responsive guest like TTF-TA. This results in a concomitant modulation in the selectivity of the nanochannel, rendering it from anion-selective to ambipolar to cation-selective. Furthermore, as a real-time application of this ion channel, Na+ ion conductivity (σ = 3.5 × 10-5 S cm-1) was studied at ambient temperature.
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Ngue CM, Zhang YY, Leung MK. Exploring redox properties of a 3D Co-based framework with bis(triarylamine) terphenyl as a redox-active linker. Chem Commun (Camb) 2023; 59:14157-14160. [PMID: 37955305 DOI: 10.1039/d3cc00067b] [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
A 3D Co-based metal-organic framework has been prepared, which contains a bis(triarylamine) with terphenyl units as a redox-active linker. Manipulation of the redox events via the electrochemical method confirmed that charge hopping is dominant within the 3D framework. Investigation of the in situ spectroelectrochemical properties within the structure leads to the formation of mono and dual radical cations obtained reversibly in two-steps due to the presence of two redox-active sites.
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Affiliation(s)
- Chin-May Ngue
- Department of Chemistry, National Taiwan University, Taipei 106, Taiwan.
| | - Yong-Yun Zhang
- Department of Chemistry, National Taiwan University, Taipei 106, Taiwan.
| | - Man-Kit Leung
- Department of Chemistry, National Taiwan University, Taipei 106, Taiwan.
- Advanced Research Center for Green Materials Science and Technology, National Taiwan University, Taipei 106, Taiwan
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4
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Kim B, Lee J, Chen YP, Wu XQ, Kang J, Jeong H, Bae SE, Li JR, Sung J, Park J. π-Stacks of radical-anionic naphthalenediimides in a metal-organic framework. SCIENCE ADVANCES 2022; 8:eade1383. [PMID: 36563156 PMCID: PMC9788762 DOI: 10.1126/sciadv.ade1383] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 11/22/2022] [Indexed: 06/17/2023]
Abstract
Radical-ionic metal-organic frameworks (MOFs) have unique optical, magnetic, and electronic properties. These radical ions, forcibly formed by external stimulus-induced redox processes, are structurally unstable and have short radical lifetimes. Here, we report two naphthalenediimide-based (NDI-based) Ca-MOFs: DGIST-6 and DGIST-7. Neutral DGIST-6, which is generated first during solvothermal synthesis, decomposes and is converted into radical-anionic DGIST-7. Cofacial (NDI)2•- and (NDI)22- dimers are effectively stabilized in DGIST-7 by electron delocalization and spin-pairing as well as dimethylammonium counter cations in their pores. Single-crystal x-ray diffractometry was used to visualize redox-associated structural transformations, such as changes in centroid-to-centroid distance. Moreover, the unusual rapid reduction of oxidized DGIST-7 into the radical anion upon infrared irradiation results in effective and reproducible photothermal conversion. This study successfully illustrated the strategic use of in situ prepared cofacial ligand dimers in MOFs that facilitate the stabilization of radical ions.
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Affiliation(s)
- Bongkyeom Kim
- Department of Physics and Chemistry, Daegu Gyeongbuk Institute of Science and Technology (DGIST), 333 Techno Jungang-daero, Dalseong-gun, Daegu 42988, Republic of Korea
| | - Juhyung Lee
- Department of Physics and Chemistry, Daegu Gyeongbuk Institute of Science and Technology (DGIST), 333 Techno Jungang-daero, Dalseong-gun, Daegu 42988, Republic of Korea
| | - Ying-Pin Chen
- NSF’s ChemMatCARs, The University of Chicago Argonne, Chicago, IL 60439, USA
| | - Xue-Qian Wu
- Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, P.R. China
| | - Joongoo Kang
- Department of Physics and Chemistry, Daegu Gyeongbuk Institute of Science and Technology (DGIST), 333 Techno Jungang-daero, Dalseong-gun, Daegu 42988, Republic of Korea
| | - Hwakyeung Jeong
- Nuclear Chemistry Research Team, Korea Atomic Energy Research Institute, Daejeon 34057, Republic of Korea
| | - Sang-Eun Bae
- Nuclear Chemistry Research Team, Korea Atomic Energy Research Institute, Daejeon 34057, Republic of Korea
| | - Jian-Rong Li
- Beijing Key Laboratory for Green Catalysis and Separation, Department of Chemistry and Chemical Engineering, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, P.R. China
| | - Jooyoung Sung
- Department of Physics and Chemistry, Daegu Gyeongbuk Institute of Science and Technology (DGIST), 333 Techno Jungang-daero, Dalseong-gun, Daegu 42988, Republic of Korea
| | - Jinhee Park
- Department of Physics and Chemistry, Daegu Gyeongbuk Institute of Science and Technology (DGIST), 333 Techno Jungang-daero, Dalseong-gun, Daegu 42988, Republic of Korea
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Redox-Active Metal-Organic Frameworks with Three-Dimensional Lattice Containing the m-Tetrathiafulvalene-Tetrabenzoate. Molecules 2022; 27:molecules27134052. [PMID: 35807293 PMCID: PMC9268712 DOI: 10.3390/molecules27134052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 06/21/2022] [Accepted: 06/21/2022] [Indexed: 01/25/2023] Open
Abstract
Metal-organic frameworks (MOFs) constructed by tetrathiafulvalene-tetrabenzoate (H4TTFTB) have been widely studied in porous materials, while the studies of other TTFTB derivatives are rare. Herein, the meta derivative of the frequently used p-H4TTFTB ligand, m-H4TTFTB, and lanthanide (Ln) metal ions (Tb3+, Er3+, and Gd3+) were assembled into three novel MOFs. Compared with the reported porous Ln-TTFTB, the resulted three-dimensional frameworks, Ln-m-TTFTB ([Ln2(m-TTFTB)(m-H2TTFTB)0.5(HCOO)(DMF)]·2DMF·3H2O), possess a more dense stacking which leads to scarce porosity. The solid-state cyclic voltammetry studies revealed that these MOFs show similar redox activity with two reversible one-electron processes at 0.21 and 0.48 V (vs. Fc/Fc+). The results of magnetic properties suggested Dy-m-TTFTB and Er-m-TTFTB exhibit slow relaxation of the magnetization. Porosity was not found in these materials, which is probably due to the meta-configuration of the m-TTFTB ligand that seems to hinder the formation of pores. However, the m-TTFTB ligand has shown to be promising to construct redox-active or electrically conductive MOFs in future work.
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Cui M, Murase R, Shen Y, Sato T, Koyama S, Uchida K, Tanabe T, Takaishi S, Yamashita M, Iguchi H. An electrically conductive metallocycle: densely packed molecular hexagons with π-stacked radicals. Chem Sci 2022; 13:4902-4908. [PMID: 35655871 PMCID: PMC9067574 DOI: 10.1039/d2sc00447j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Accepted: 03/23/2022] [Indexed: 11/25/2022] Open
Abstract
Electrical conduction among metallocycles has been unexplored because of the difficulty in creating electronic transport pathways. In this work, we present an electrocrystallization strategy for synthesizing an intrinsically electron-conductive metallocycle, [Ni6(NDI-Hpz)6(dma)12(NO3)6]·5DMA·nH2O (PMC-hexagon) (NDI-Hpz = N,N'-di(1H-pyrazol-4-yl)-1,4,5,8-naphthalenetetracarboxdiimide). The hexagonal metallocycle units are assembled into a densely packed ABCABC… sequence (like the fcc geometry) to construct one-dimensional (1D) helical π-stacked columns and 1D pore channels, which were maintained under the liberation of H2O molecules. The NDI cores were partially reduced to form radicals as charge carriers, resulting in a room-temperature conductivity of (1.2-2.1) × 10-4 S cm-1 (pressed pellet), which is superior to that of most NDI-based conductors including metal-organic frameworks and organic crystals. These findings open up the use of metallocycles as building blocks for fabricating conductive porous molecular materials.
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Affiliation(s)
- Mengxing Cui
- Department of Chemistry, Graduate School of Science, Tohoku University 6-3 Aza-Aoba, Aramaki Sendai 980-8578 Japan
| | - Ryuichi Murase
- Department of Chemistry, Graduate School of Science, Tohoku University 6-3 Aza-Aoba, Aramaki Sendai 980-8578 Japan
| | - Yongbing Shen
- Department of Chemistry, Graduate School of Science, Tohoku University 6-3 Aza-Aoba, Aramaki Sendai 980-8578 Japan
| | - Tetsu Sato
- Department of Chemistry, Graduate School of Science, Tohoku University 6-3 Aza-Aoba, Aramaki Sendai 980-8578 Japan
| | - Shohei Koyama
- Department of Chemistry, Graduate School of Science, Tohoku University 6-3 Aza-Aoba, Aramaki Sendai 980-8578 Japan
| | - Kaiji Uchida
- Department of Chemistry, Graduate School of Science, Tohoku University 6-3 Aza-Aoba, Aramaki Sendai 980-8578 Japan
| | - Tappei Tanabe
- Department of Chemistry, Graduate School of Science, Tohoku University 6-3 Aza-Aoba, Aramaki Sendai 980-8578 Japan
| | - Shinya Takaishi
- Department of Chemistry, Graduate School of Science, Tohoku University 6-3 Aza-Aoba, Aramaki Sendai 980-8578 Japan
| | - Masahiro Yamashita
- Department of Chemistry, Graduate School of Science, Tohoku University 6-3 Aza-Aoba, Aramaki Sendai 980-8578 Japan
- School of Materials Science and Engineering, Nankai University Tianjin 300350 P. R. China
| | - Hiroaki Iguchi
- Department of Chemistry, Graduate School of Science, Tohoku University 6-3 Aza-Aoba, Aramaki Sendai 980-8578 Japan
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Park S, Lee J, Jeong H, Bae S, Kang J, Moon D, Park J. Multi-stimuli-engendered radical-anionic MOFs: Visualization of structural transformation upon radical formation. Chem 2022. [DOI: 10.1016/j.chempr.2022.03.023] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Yan T, Li YY, Gu QY, Li J, Su J, Wang HY, Zuo JL. A Tetrathiafulvalene/Naphthalene Diimide-Containing Metal-Organic Framework with fsc Topology for Highly Efficient Near-Infrared Photothermal Conversion. Inorg Chem 2022; 61:3078-3085. [PMID: 35142506 DOI: 10.1021/acs.inorgchem.1c03246] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Metal-organic frameworks (MOFs) provide broad prospects for the development of new photothermal conversion materials, while their design and synthesis remain challenging. A new Zn-MOF (1) containing both tetrathiafulvalene (TTF) as an electron donor and naphthalene diimide (NDI) as an electron acceptor was constructed by using a space limiting effect. The material exhibited wide absorption peaks in the near-infrared region, indicating that there was strong charge transfer interaction between the TTF and NDI units and providing the possibility of photothermal conversion. 1 shows efficient near-infrared photothermal conversion performance. Under 808 nm laser (0.4 W cm-2) illumination, the temperature of 1 increased rapidly from room temperature to 250 °C, with good thermal stability and cycle durability. This work provides an efficient strategy for promising materials in photothermal therapy.
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Affiliation(s)
- Tong Yan
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, China
| | - Yu-Yang Li
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, China
| | - Qin-Yi Gu
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, China.,School of Chemistry, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Jing Li
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, China
| | - Jian Su
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, China
| | - Hai-Ying Wang
- School of Environmental Science, Nanjing Xiaozhuang University, Nanjing 211171, China
| | - Jing-Lin Zuo
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, China
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Krylov A, Yushina I, Slyusareva E, Krylova S, Vtyurin A, Kaskel S, Senkovska I. Structural phase transitions in flexible DUT-8(Ni) under high hydrostatic pressure. Phys Chem Chem Phys 2022; 24:3788-3798. [PMID: 35084013 DOI: 10.1039/d1cp05021d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
The behaviours of the open pore (op) and closed pore (cp) phases of the flexible Ni2(ndc)2(dabco) (ndc - 2,6-naphthalene dicarboxylate, dabco - 1,4-diazabicyclo[2.2.2]octane, DUT-8(Ni)) metal-organic framework under high hydrostatic pressures up to 10 GPa in isopropanol and silicone oil were studied by Raman spectroscopy. Ab initio simulations of vibrational spectra were performed for the open and closed pore phases, which allowed us to disclose the characteristic vibrational modes affected by the structural transitions under pressure. Analysis of theoretical and experimental Raman data suggests that the op-cp transition involves gateway vibrations at 25 and 67 cm-1, corresponding to trampoline/rotational motions of aromatic linkers. The experiments reveal the formation of new distorted cp phases at pressures higher than 2 GPa, which are formed without amorphisation. The transition between the cp phase and the distorted cp phase is reversible. The experiments also reveal the pivotal role of the pressure transmitting medium on the phase transition behaviour.
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Affiliation(s)
- Alexander Krylov
- Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 660036, Krasnoyarsk, Russia.
| | - Irina Yushina
- South Ural State University, SEC Nahenotechnology, 454080, Lenin Avenue, 76, Chelyabinsk, Russia
| | - Evgenia Slyusareva
- Siberian Federal University, Svobodny Prospect 79, 660041 Krasnoyarsk, Russia
| | - Svetlana Krylova
- Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 660036, Krasnoyarsk, Russia.
| | - Alexander Vtyurin
- Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 660036, Krasnoyarsk, Russia. .,Siberian Federal University, Svobodny Prospect 79, 660041 Krasnoyarsk, Russia
| | - Stefan Kaskel
- Chair of Inorganic Chemistry I, Technische Universität Dresden, Bergstrasse 66, 01062 Dresden, Germany.
| | - Irena Senkovska
- Chair of Inorganic Chemistry I, Technische Universität Dresden, Bergstrasse 66, 01062 Dresden, Germany.
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Ezugwu CI, Sonawane JM, Rosal R. Redox-active metal-organic frameworks for the removal of contaminants of emerging concern. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2021.120246] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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11
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Deng X, Zheng SL, Zhong YH, Hu J, Chung LH, He J. Conductive MOFs based on Thiol-functionalized Linkers: Challenges, Opportunities, and Recent Advances. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2021.214235] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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12
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Lan JF, Li J, Zhu JL, Yan GP, Ke H, Liao JZ. Radical-Doped Crystalline Lanthanide-Based Photochromic Complexes: Self-Assembly Driven by Multiple Interactions and Photoswitchable Luminescence. Inorg Chem 2021; 60:14286-14293. [PMID: 34503326 DOI: 10.1021/acs.inorgchem.1c01819] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Stimuli-responsive functional materials, especially the light stimulation color change and tunable fluorescent materials, have received considerable attention because of their broad applications in smart materials. Herein, a series of lanthanide-based [Ln = Nd(III) (1), Sm(III) (2), Eu(III) (3), Gd(III) (4), Tb(III) (5), Yb(III) (6), and Lu(III) (7)] crystalline complexes were attained by simply adding the aqueous lanthanide nitrate solution to the water-soluble naphthalenediimide derivative. The obtained lanthanide-based crystalline materials not only show significant photochromism but also possess reactive organic radicals under ambient conditions. Intriguingly, photoswitchable near-infrared (NIR) fluorescence was realized in the crystalline complex 1. The structures of these crystalline materials were systematically studied to clarify the weak interaction-assisted charge-transfer process. The underlying multiple-interaction-assisted supramolecular self-assembly, the radical-doped nature, and the corresponding photochromic mechanism were thoroughly unearthed by single-crystal X-ray diffraction, in situ solid-state UV-vis diffuse reflectance, and electron paramagnetic resonance spectrometric analysis.
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Affiliation(s)
- Jin-Fei Lan
- College of Materials and Chemical Engineering, Pingxiang University, Pingxiang, Jiangxi 337055, P. R. China
| | - Jie Li
- College of Materials and Chemical Engineering, Pingxiang University, Pingxiang, Jiangxi 337055, P. R. China
| | - Jia-Le Zhu
- College of Materials and Chemical Engineering, Pingxiang University, Pingxiang, Jiangxi 337055, P. R. China
| | - Gen-Ping Yan
- College of Materials and Chemical Engineering, Pingxiang University, Pingxiang, Jiangxi 337055, P. R. China
| | - Hua Ke
- College of Materials and Chemical Engineering, Pingxiang University, Pingxiang, Jiangxi 337055, P. R. China
| | - Jian-Zhen Liao
- College of Materials and Chemical Engineering, Pingxiang University, Pingxiang, Jiangxi 337055, P. R. China
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Application of Metal-Organic Framework-Based Composites for Gas Sensing and Effects of Synthesis Strategies on Gas-Sensitive Performance. CHEMOSENSORS 2021. [DOI: 10.3390/chemosensors9080226] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Gas sensing materials, such as semiconducting metal oxides (SMOx), carbon-based materials, and polymers have been studied in recent years. Among of them, SMOx-based gas sensors have higher operating temperatures; sensors crafted from carbon-based materials have poor selectivity for gases and longer response times; and polymer gas sensors have poor stability and selectivity, so it is necessary to develop high-performance gas sensors. As a porous material constructed from inorganic nodes and multidentate organic bridging linkers, the metal-organic framework (MOF) shows viable applications in gas sensors due to its inherent large specific surface area and high porosity. Thus, compounding sensor materials with MOFs can create a synergistic effect. Many studies have been conducted on composite MOFs with three materials to control the synergistic effects to improve gas sensing performance. Therefore, this review summarizes the application of MOFs in sensor materials and emphasizes the synthesis progress of MOF composites. The challenges and development prospects of MOF-based composites are also discussed.
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14
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Li J, Jiao J, Chang J, Li M, Han Q. Visible-Light-Driven C-N Bond Formation by a Hexanickel Cluster Substituted Polyoxometalate-Based Photocatalyst. Inorg Chem 2021; 60:10022-10029. [PMID: 34133163 DOI: 10.1021/acs.inorgchem.1c01311] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A powerful and attractive route to develop novel photocatalysts for C-N bond formation involves the use of pyrrolidine as the substrate and cocatalyst simultaneously. Herein, a new polyoxometalate (POM)-based metal-organic framework, namely, [Ni6(OH)3(H2O)9(DPNDIH)(SiW9O34)]2·2H2O (SiW9Ni6-DPNDI) (DPNDI = N,N'-di(4-pyridyl)-1,4,5,8-naphthalenediimide), was prepared by incorporating a Ni6 cluster-substituted POM anion and a photosensitizer (DPNDI) into a framework. The anion···π interactions and covalent bonds between SiW9Ni6 and DPNDI are beneficial for the consecutive electron separation and transfer. Under visible-light irradiation, DPNDI can be easily excited to generate radical species DPNDI* that could be further excited in the presence of the electron donor pyrrolidine for the inert O2 activation. SiW9Ni6-DPNDI showed a high efficiency in the photocatalysis of C-N bond formation under a mild condition by the synergy of DPNDI and SiW9Ni6. The results of the reaction were confirmed by gas chromatography and 1H NMR. In addition, SiW9Ni6-DPNDI exhibited a high sustainability without an obvious change in yields after five cycles.
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Affiliation(s)
- Jie Li
- Henan Key Laboratory of Polyoxometalates, Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, P. R. China.,School of Chemistry & Chemical Engineering, Zhoukou Normal University, Zhoukou 466001, P. R. China
| | - Jiachen Jiao
- Henan Key Laboratory of Polyoxometalates, Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, P. R. China
| | - Jiangnan Chang
- Henan Key Laboratory of Polyoxometalates, Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, P. R. China
| | - Mingxue Li
- Henan Key Laboratory of Polyoxometalates, Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, P. R. China
| | - Qiuxia Han
- Henan Key Laboratory of Polyoxometalates, Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, P. R. China
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Yan T, Li YY, Su J, Wang HY, Zuo JL. Charge Transfer Metal-Organic Framework Containing Redox-Active TTF/NDI Units for Highly Efficient Near-Infrared Photothermal Conversion. Chemistry 2021; 27:11050-11055. [PMID: 33988893 DOI: 10.1002/chem.202101607] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Indexed: 11/08/2022]
Abstract
Metal-organic frameworks (MOFs), as a class of new inorganic-organic hybrid crystal materials, could have important applications in near-infrared (NIR) photothermal conversion. Herein, a new charge-transfer MOF (Co-MOF) with mixed ligands of H4 TTFTB and bpmNDI incorporating redox-active tetrathiafulvalene/naphthalene diimide (TTF/NDI) units into one system is reported. Due to the presence of TTF/NDI oxidative and reductive couples, stable radicals can be observed in the MOF. In addition, charge transfer from the electron donor (TTF) to the acceptor (NDI) results in a broad absorption in the NIR region. The Co-MOF exhibited an efficient photothermal effect induced by irradiation with a NIR laser. Under the 808 nm laser (0.7 W cm-2 ) illumination, the temperature of the Co-MOF increased from room temperature to 201 °C in only 10 s. Furthermore, a series of polydimethylsiloxane (PDMS) films doped with trace amounts of Co-MOF showed efficient NIR photothermal conversion. When a Co-MOF@PDMS (0.6 wt %) film is irradiated by 808 nm laser with power of 0.5 W cm-2 , it's temperature can reach a plateau at 62 °C from 20 °C within 100 s. Our experimental results from the Co-MOF@PDMS film demonstrate that the effectiveness and feasibility of the material is promising for photothermal applications.
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Affiliation(s)
- Tong Yan
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210023, P. R. China
| | - Yu-Yang Li
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210023, P. R. China
| | - Jian Su
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210023, P. R. China
| | - Hai-Ying Wang
- School of Environmental Science, Xiaozhuang University, Nanjing, 211171, P. R. China
| | - Jing-Lin Zuo
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210023, P. R. China
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16
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Zhao X, Li J, Li X, Huo P, Shi W. Design of metal-organic frameworks (MOFs)-based photocatalyst for solar fuel production and photo-degradation of pollutants. CHINESE JOURNAL OF CATALYSIS 2021. [DOI: 10.1016/s1872-2067(20)63715-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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17
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Shao B, Chen H, Cui C, Li J, Gonge R. Research Progress on Improvement of Conductivity of MOFs and Their Application in Bionsensors: A Review. CHEM LETT 2021. [DOI: 10.1246/cl.200808] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Bin Shao
- Department of Electrical Engineering, North China University of Science and Technology, 21 Bohai Road, Tangshan, HeBei, P. R. China
| | - Hongshuo Chen
- Department of Electrical Engineering, North China University of Science and Technology, 21 Bohai Road, Tangshan, HeBei, P. R. China
| | - Chuanjin Cui
- Department of Electrical Engineering, North China University of Science and Technology, 21 Bohai Road, Tangshan, HeBei, P. R. China
| | - Jing Li
- Department of Electrical Engineering, North China University of Science and Technology, 21 Bohai Road, Tangshan, HeBei, P. R. China
| | - Ruikun Gonge
- Department of Electrical Engineering, North China University of Science and Technology, 21 Bohai Road, Tangshan, HeBei, P. R. China
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Rajasree SS, Li X, Deria P. Physical properties of porphyrin-based crystalline metal‒organic frameworks. Commun Chem 2021; 4:47. [PMID: 36697594 PMCID: PMC9814740 DOI: 10.1038/s42004-021-00484-4] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 03/05/2021] [Indexed: 01/28/2023] Open
Abstract
Metal‒organic frameworks (MOFs) are widely studied molecular assemblies that have demonstrated promise for a range of potential applications. Given the unique and well-established photophysical and electrochemical properties of porphyrins, porphyrin-based MOFs are emerging as promising candidates for energy harvesting and conversion applications. Here we discuss the physical properties of porphyrin-based MOFs, highlighting the evolution of various optical and electronic features as a function of their modular framework structures and compositional variations.
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Affiliation(s)
- Sreehari Surendran Rajasree
- grid.411026.00000 0001 1090 2313Department of Chemistry and Biochemistry, Southern Illinois University, Carbondale, IL USA
| | - Xinlin Li
- grid.411026.00000 0001 1090 2313Department of Chemistry and Biochemistry, Southern Illinois University, Carbondale, IL USA
| | - Pravas Deria
- grid.411026.00000 0001 1090 2313Department of Chemistry and Biochemistry, Southern Illinois University, Carbondale, IL USA
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Bechu D, Kyritsakas N, Hosseini MW, Baudron SA. Coordination assemblies based on a flexible tetrathiafulvalene derivative. Polyhedron 2021. [DOI: 10.1016/j.poly.2021.115047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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20
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Applications of reticular diversity in metal–organic frameworks: An ever-evolving state of the art. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213655] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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21
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Zhou Y, Han L. Recent advances in naphthalenediimide-based metal-organic frameworks: Structures and applications. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213665] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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22
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Jiang Y, Heinke L. Photoswitchable Metal-Organic Framework Thin Films: From Spectroscopy to Remote-Controllable Membrane Separation and Switchable Conduction. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:2-15. [PMID: 33347762 DOI: 10.1021/acs.langmuir.0c02859] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The preparation of functional materials from photoswitchable molecules where the molecular changes multiply to macroscopic effects presents a great challenge in material science. An attractive approach is the incorporation of the photoswitches in nanoporous, crystalline metal-organic frameworks, MOFs, often showing remote-controllable chemical and physical properties. Because of the short light-penetration depth, thin MOF films are particularly interesting, allowing the entire illumination of the material. In the present progress report, we review and discuss the status of photoswitchable MOF films. These films may serve as model systems for quantifying the isomer switching yield by infrared and UV-vis spectroscopy as well as for uptake experiments exploring the switching effects on the host-guest interaction, especially on guest adsorption and diffusion. In addition, the straightforward device integration facilitates various experiments. In this way, unique features were demonstrated, such as photoswitchable membrane separation with continuously tunable selectivity, light-switchable proton conductivity of the guests in the pores, and remote-controllable electronic conduction.
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Affiliation(s)
- Yunzhe Jiang
- Karlsruhe Institute of Technology (KIT), Institute of Functional Interfaces (IFG), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Lars Heinke
- Karlsruhe Institute of Technology (KIT), Institute of Functional Interfaces (IFG), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
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23
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Su J, Yuan S, Li J, Wang HY, Ge JY, Drake HF, Leong CF, Yu F, D'Alessandro DM, Kurmoo M, Zuo JL, Zhou HC. Rare-Earth Metal Tetrathiafulvalene Carboxylate Frameworks as Redox-Switchable Single-Molecule Magnets. Chemistry 2021; 27:622-627. [PMID: 33191540 DOI: 10.1002/chem.202004883] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Indexed: 01/25/2023]
Abstract
Using the redox-active tetrathiafulvalene tetrabenzoate (TTFTB4- ) as the linker, a series of stable and porous rare-earth metal-organic frameworks (RE-MOFs), [RE9 (μ3 -OH)13 (μ3 -O)(H2 O)9 (TTFTB)3 ] (1-RE, where RE=Y, Sm, Gd, Tb, Dy, Ho, and Er) were constructed. The RE9 (μ3 -OH)13 (μ3 -O) (H2 O)9 ](CO2 )12 clusters within 1-RE act as segregated single-molecule magnets (SMMs) displaying slow relaxation. Interestingly, upon oxidation by I2 , the S=0 TTFTB4- linkers of 1-RE were converted into S= 1 / 2 TTFTB.3- radical linkers which introduced exchange-coupling between SMMs and modulated the relaxation. Furthermore, the SMM property can be restored by reduction in N,N-dimethylformamide. These results highlight the advantage of MOFs in the construction of redox-switchable SMMs.
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Affiliation(s)
- Jian Su
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, P.R. China
| | - Shuai Yuan
- Department of Chemistry, Texas A&M University, College Station, TX, 77843, USA
| | - Jing Li
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, P.R. China
| | - Hai-Ying Wang
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, P.R. China
| | - Jing-Yuan Ge
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, P.R. China
| | - Hannah F Drake
- Department of Chemistry, Texas A&M University, College Station, TX, 77843, USA
| | - Chanel F Leong
- School of Chemistry, The University of Sydney, Sydney, New South Wales, 2006, Australia
| | - Fei Yu
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, P.R. China
| | - Deanna M D'Alessandro
- School of Chemistry, The University of Sydney, Sydney, New South Wales, 2006, Australia
| | - Mohamedally Kurmoo
- Institut de Chimie de Strasbourg, CNRS-UMR7177, Université de Strasbourg, 4 rue Blaise Pascal, Strasbourg, 67000, France
| | - Jing-Lin Zuo
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, P.R. China
| | - Hong-Cai Zhou
- Department of Chemistry, Texas A&M University, College Station, TX, 77843, USA
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D'Alessandro DM, Usov PM. Spectroelectrochemistry: A Powerful Tool for Studying Fundamental Properties and Emerging Applications of Solid-State Materials Including Metal–Organic Frameworks. Aust J Chem 2021. [DOI: 10.1071/ch20301] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Spectroelectrochemistry (SEC) encompasses a broad suite of electroanalytical techniques where electrochemistry is coupled with various spectroscopic methods. This powerful and versatile array of methods is characterised as in situ, where a fundamental property is measured in real time as the redox state is varied through an applied voltage. SEC has a long and rich history and has proved highly valuable for discerning mechanistic aspects of redox reactions that underpin the function of biological, chemical, and physical systems in the solid and solution states, as well as in thin films and even in single molecules. This perspective article highlights the state of the art in solid-state SEC (ultraviolet–visible–near-infrared, infrared, Raman, photoluminescence, electron paramagnetic resonance, and X-ray absorption spectroscopy) relevant to interrogating solid state materials, particularly those in the burgeoning field of metal–organic frameworks (MOFs). Emphasis is on developments in the field over the past 10 years and prospects for application of SEC techniques to probing fundamental aspects of MOFs and MOF-derived materials, along with their emerging applications in next-generation technologies for energy storage and transformation. Along with informing the already expert practitioner of SEC, this article provides some guidance for researchers interested in entering the field.
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25
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Xu W, Sun Y, Meng X, Zhang W, Hou H. Tuning the photoelectric response of pyrene-based coordination polymers by optimizing charge transfer. Inorg Chem Front 2021. [DOI: 10.1039/d1qi00004g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Three π–π stacked CPs were designed and synthesized for application of photoelectric response. The effect of charge transfer on the photoelectric properties is explored by adjusting the composition and π-stacking fashion of the CPs.
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Affiliation(s)
- Wenjuan Xu
- The College of Chemistry
- Green Catalysis Centre
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Yupei Sun
- The College of Chemistry
- Green Catalysis Centre
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Xiangru Meng
- The College of Chemistry
- Green Catalysis Centre
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Wenjing Zhang
- The College of Chemistry
- Green Catalysis Centre
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Hongwei Hou
- The College of Chemistry
- Green Catalysis Centre
- Zhengzhou University
- Zhengzhou
- P.R. China
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26
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Ke H, Hu F, Meng L, Chen QH, Lai QS, Li ZC, Huang ZL, Liao JZ, Qiu JD, Lu CZ. Ultrastable radical-doped coordination compounds with antimicrobial activity against antibiotic-resistant bacteria. Chem Commun (Camb) 2020; 56:14353-14356. [PMID: 33169746 DOI: 10.1039/d0cc06379g] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
In the present work, we have introduced a series of stable radical-doped coordination compounds composed of donor-acceptor structures and shown to produce organic radicals in situ as a result of unconventional lone pair-π interactions in ambient conditions. Inconspicuous lone pair-π and C-Hπ interactions were shown to play a key role in self-assembly as well as the charge transfer process, resulting in a long-lived charge-separated state able to generate organic radicals. The resultant species displayed broad-spectrum antimicrobial activity, including against multi-drug-resistant bacteria. This study unveiled the promise of reactive organic radical-doped materials as a new platform for developing antimicrobial agents that can overcome antibiotic resistance.
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Affiliation(s)
- Hua Ke
- Engineering Technology Research Center for Environmental Protection Materials, Pingxiang University, Pingxiang, Jiangxi 337055, P. R. China.
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27
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Gutiérrez-Tarriño S, Olloqui-Sariego JL, Calvente JJ, Espallargas GM, Rey F, Corma A, Oña-Burgos P. Cobalt Metal-Organic Framework Based on Layered Double Nanosheets for Enhanced Electrocatalytic Water Oxidation in Neutral Media. J Am Chem Soc 2020; 142:19198-19208. [PMID: 33125226 DOI: 10.1021/jacs.0c08882] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
A new cobalt metal-organic framework (2D-Co-MOF) based on well-defined layered double cores that are strongly connected by intermolecular bonds has been developed. Its 3D structure is held together by π-π stacking interactions between the labile pyridine ligands of the nanosheets. In aqueous solution, the axial pyridine ligands are exchanged by water molecules, producing a delamination of the material, where the individual double nanosheets preserve their structure. The original 3D layered structure can be restored by a solvothermal process with pyridine, so that the material shows a "memory effect" during the delamination-pillarization process. Electrochemical activation of a 2D-Co-MOF@Nafion-modified graphite electrode in aqueous solution improves the ionic migration and electron transfer across the film and promotes the formation of the electrocatalytically active cobalt species for the oxygen evolution reaction (OER). The so-activated 2D-Co-MOF@Nafion composite exhibits an outstanding electrocatalytic performance for the OER at neutral pH, with a TOF value (0.034 s-1 at an overpotential of 400 mV) and robustness superior to those reported for similar electrocatalysts under similar conditions. The particular topology of the delaminated nanosheets, with quite distant cobalt centers, precludes the direct coupling between the electrocatalytically active centers of the same sheet. On the other hand, the increase in ionic migration across the film during the electrochemical activation stage rules out the intersheet coupling between active cobalt centers, as this scenario would impair electrolyte permeation. Altogether, the most plausible mechanism for the O-O bond formation is the water nucleophilic attack to single Co(IV)-oxo or Co(III)-oxyl centers. Its high electrochemical efficiency suggests that the presence of nitrogen-containing aromatic equatorial ligands facilitates the water nucleophilic attack, as in the case of the highly efficient cobalt porphyrins.
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Affiliation(s)
- Silvia Gutiérrez-Tarriño
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas (UPV-CSIC), Avda. de los Naranjos s/n, 46022 Valencia, Spain
| | - José Luis Olloqui-Sariego
- Departamento de Química Física, Universidad de Sevilla. Profesor García González 1. 41012 Sevilla, Spain
| | - Juan José Calvente
- Departamento de Química Física, Universidad de Sevilla. Profesor García González 1. 41012 Sevilla, Spain
| | - Guillermo Mínguez Espallargas
- Instituto de Ciencia Molecular (ICMol), Universidad de Valencia, c/Catedrático José Beltrán, 2, 46980 Paterna, Spain
| | - Fernando Rey
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas (UPV-CSIC), Avda. de los Naranjos s/n, 46022 Valencia, Spain
| | - Avelino Corma
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas (UPV-CSIC), Avda. de los Naranjos s/n, 46022 Valencia, Spain
| | - Pascual Oña-Burgos
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas (UPV-CSIC), Avda. de los Naranjos s/n, 46022 Valencia, Spain.,Departamento de Química y Física, Centro de Investigación CIAIMBITAL, Universidad de Almería, Ctra. Sacramento, s/n, 04120 Almería, Spain
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Koyama S, Tanabe T, Takaishi S, Yamashita M, Iguchi H. Preliminary chemical reduction for synthesizing a stable porous molecular conductor with neutral metal nodes. Chem Commun (Camb) 2020; 56:13109-13112. [PMID: 33000779 DOI: 10.1039/d0cc03541f] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Preliminary chemical reduction of naphthalenediimide (NDI)-based organic ligands was applied to the synthesis of a porous molecular conductor (PMC) with neutral metal nodes (cobalt(ii) acetylacetonate). The obtained semiconductive PMC (PMC-2) was stable due to the neutral metal nodes, providing an advantage over electrochemical reduction.
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Affiliation(s)
- Shohei Koyama
- Department of Chemistry, Graduate School of Science, Tohoku University, 6-3 Aramaki-Aza-Aoba, Aoba-ku, Sendai, Miyagi 980-8578, Japan.
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Souto M, Strutyński K, Melle‐Franco M, Rocha J. Electroactive Organic Building Blocks for the Chemical Design of Functional Porous Frameworks (MOFs and COFs) in Electronics. Chemistry 2020; 26:10912-10935. [DOI: 10.1002/chem.202001211] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Indexed: 01/02/2023]
Affiliation(s)
- Manuel Souto
- CICECO-Aveiro Institute of Materials Department of Chemistry University of Aveiro 3810-193 Aveiro Portugal
| | - Karol Strutyński
- CICECO-Aveiro Institute of Materials Department of Chemistry University of Aveiro 3810-193 Aveiro Portugal
| | - Manuel Melle‐Franco
- CICECO-Aveiro Institute of Materials Department of Chemistry University of Aveiro 3810-193 Aveiro Portugal
| | - João Rocha
- CICECO-Aveiro Institute of Materials Department of Chemistry University of Aveiro 3810-193 Aveiro Portugal
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30
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Reversible single crystal-to-single crystal double [2+2] cycloaddition induces multifunctional photo-mechano-electrochemical properties in framework materials. Nat Commun 2020; 11:2808. [PMID: 32499512 PMCID: PMC7272394 DOI: 10.1038/s41467-020-15510-7] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Accepted: 03/04/2020] [Indexed: 11/21/2022] Open
Abstract
Reversible structural transformations of porous coordination frameworks in response to external stimuli such as light, electrical potential, guest inclusion or pressure, amongst others, have been the subject of intense interest for applications in sensing, switching and molecular separations. Here we report a coordination framework based on an electroactive tetrathiafulvalene exhibiting a reversible single crystal-to-single crystal double [2 + 2] photocyclisation, leading to profound differences in the electrochemical, optical and mechanical properties of the material upon light irradiation. Electrochemical and in situ spectroelectrochemical measurements, in combination with in situ light-irradiated Raman spectroscopy and atomic force microscopy, revealed the variable mechanical properties of the framework that were supported using Density Functional Theory calculations. The reversible structural transformation points towards a plethora of potential applications for coordination frameworks in photo-mechanical and photoelectrochemical devices, such as light-driven actuators and photo-valves for targeted drug delivery. Porous coordination frameworks that undergo reversible structural transformations are promising for sensing, switching and separations. Here, the authors report an electroactive framework that exhibits a reversible single crystal-to-single crystal double [2+2] photocyclisation, leading to property changes.
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31
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Doheny PW, Clegg JK, Tuna F, Collison D, Kepert CJ, D'Alessandro DM. Quantification of the mixed-valence and intervalence charge transfer properties of a cofacial metal-organic framework via single crystal electronic absorption spectroscopy. Chem Sci 2020; 11:5213-5220. [PMID: 34122977 PMCID: PMC8159307 DOI: 10.1039/d0sc01521k] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Gaining a fundamental understanding of charge transfer mechanisms in three-dimensional Metal-Organic Frameworks (MOFs) is crucial to the development of electroactive and conductive porous materials. These materials have potential in applications in porous conductors, electrocatalysts and energy storage devices; however the structure-property relationships pertaining to charge transfer and its quantification are relatively poorly understood. Here, the cofacial Cd(ii)-based MOF [Cd(BPPTzTz)(tdc)]·2DMF (where BPPTzTz = 2,5-bis(4-(pyridin-4-yl)phenyl)thiazolo[5,4-d]thiazole, tdc2- = 2,5-thiophene dicarboxylate) exhibits Intervalence Charge Transfer (IVCT) within its three-dimensional structure by virtue of the close, cofacial stacking of its redox-active BPPTzTz ligands. The mixed-valence and IVCT properties are characterised using a combined electrochemical, spectroelectrochemical and computational approach. Single crystal electronic absorption spectroscopy was employed to obtain the solid-state extinction coefficient, enabling the application of Marcus-Hush theory. The electronic coupling constant, H ab, of 145 cm-1 was consistent with the localised mixed-valence properties of both this framework and analogous systems that use alternative methods to obtain the H ab parameter. This work demonstrates the first report of the successful characterisation of IVCT in a MOF material using single crystal electronic absorption spectroscopy and serves as an attractive alternative to more complex methods due to its simplicity and applicability.
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Affiliation(s)
- Patrick W Doheny
- School of Chemistry, The University of Sydney New South Wales 2006 Australia +61 2 93513777
| | - Jack K Clegg
- School of Chemistry and Molecular Biosciences, The University of Queensland St Lucia Queensland 4072 Australia
| | - Floriana Tuna
- Department of Chemistry and Photon Science Institute, The University of Manchester Manchester M13 9PL UK
| | - David Collison
- Department of Chemistry and Photon Science Institute, The University of Manchester Manchester M13 9PL UK
| | - Cameron J Kepert
- School of Chemistry, The University of Sydney New South Wales 2006 Australia +61 2 93513777
| | - Deanna M D'Alessandro
- School of Chemistry, The University of Sydney New South Wales 2006 Australia +61 2 93513777
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33
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Synthesis of zinc complexes bearing pyridine derivatives and their application of ε-caprolactone and L-Lactide polymerization. POLYMER 2020. [DOI: 10.1016/j.polymer.2020.122374] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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34
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Bechu D, Xie LS, Le Breton N, Choua S, Dincă M, Hosseini MW, Baudron SA. Interdigitated conducting tetrathiafulvalene-based coordination networks. Chem Commun (Camb) 2020; 56:2407-2410. [PMID: 31995045 DOI: 10.1039/c9cc09960c] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Assembly of a novel ethylenedithio-tetrathiafulvalene (EDT-TTF) derivative bearing two adjacent 4-thiopyridyl groups with M(NCS)2 nodes (M = Fe, Co) leads to two isostructural 1D coordination polymers showing an enhancement of their electronic conductivity by six orders of magnitude (10-6vs. 10-12 S cm-1), upon surface oxidation by iodine and subsequent generation of EDT-TTF-based radicals.
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Affiliation(s)
- Damien Bechu
- Université de Strasbourg, CNRS, CMC UMR 7140, Laboratoire de Tectonique Moléculaire, 4 rue Blaise Pascal, F-67000, Strasbourg, France.
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35
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Deng X, Hu JY, Luo J, Liao WM, He J. Conductive Metal–Organic Frameworks: Mechanisms, Design Strategies and Recent Advances. Top Curr Chem (Cham) 2020; 378:27. [DOI: 10.1007/s41061-020-0289-5] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Accepted: 02/07/2020] [Indexed: 12/30/2022]
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36
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Wang F, Wang J, Maehrlein SF, Ma Y, Liu F, Zhu XY. Broad-Band Near-Infrared Doublet Emission in a Tetrathiafulvalene-Based Metal-Organic Framework. J Phys Chem Lett 2020; 11:762-766. [PMID: 31935326 DOI: 10.1021/acs.jpclett.9b03383] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The upper limit in LED quantum efficiency from conventional closed-shell molecules is 25% as dictated by singlet and triplet spin statistics. Spin-doublet organic molecules are attractive candidates to exceed this limit, thanks to their 100% theoretical quantum efficiency in radiative recombination. However, examples of stable spin-doublet molecules in the solid state are rare. Here we show broad-band near-infrared emission in the columnar π-π stacked tetrathiafulvalene (TTF) in a metal organic framework (MOF) single crystal. The broad emission is similar to known TTF+• doublet emission and is stabilized in the MOF crystal. This interpretation is supported by the observation of enhanced PL emission following UV oxidation of the MOF crystal to increase the doublet concentration. The findings suggest tetrathiafulvalene-based MOFs as promising materials for near-IR light emission and the MOF structure may be a general strategy to stabilize radical cation species in the solid state.
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Affiliation(s)
- Feifan Wang
- Department of Chemistry , Columbia University , New York , New York 10027 , United States
| | - Jue Wang
- Department of Chemistry , Columbia University , New York , New York 10027 , United States
| | - Sebastian F Maehrlein
- Department of Chemistry , Columbia University , New York , New York 10027 , United States
| | - Yingzi Ma
- Department of Chemistry , Columbia University , New York , New York 10027 , United States
| | - Fang Liu
- Department of Chemistry , Columbia University , New York , New York 10027 , United States
| | - X-Y Zhu
- Department of Chemistry , Columbia University , New York , New York 10027 , United States
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37
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Zhang D, Hou LK, Zhang Q, He JW, Feng HJ, Würthner F, Yang XJ, Wu B. Anion-Coordination-Assisted Assembly of Supramolecular Charge-Transfer Complexes Based on Tris(urea) Ligands. Chemistry 2020; 26:1414-1421. [PMID: 31762095 DOI: 10.1002/chem.201905021] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 11/19/2019] [Indexed: 01/04/2023]
Abstract
Charge-transfer (CT) complexes, formed by noncovalent bonding between electron-rich (donor, D) and electron-deficient (acceptor, A) molecules (or moieties) have attracted considerable attention due to their fascinating structures and potential applications. Herein, we demonstrate that anion coordination is a promising strategy to promote CT complex formation between anion-binding, electron-rich tris(urea) donor ligands (D) and electron-deficient viologen cation acceptors (A), which form co-crystals featuring infinite ⋅⋅⋅DADA⋅⋅⋅ or discrete (circular DADA or three-decker DAD) π-stacking interactions. These CT complexes were studied by X-ray diffraction, UV/Vis spectroscopy, electric conductivity measurements, charge displacement curve (CDC) calculations, and DFT computations.
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Affiliation(s)
- Dan Zhang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of, the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, 710127, P. R. China
| | - Le-Kai Hou
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of, the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, 710127, P. R. China
| | - Qiang Zhang
- School of Physics, Northwest University, Xi'an, 710127, P. R. China
| | - Jia-Wei He
- School of Physics, Northwest University, Xi'an, 710127, P. R. China
| | - Hong-Jian Feng
- School of Physics, Northwest University, Xi'an, 710127, P. R. China
| | - Frank Würthner
- Center for Nanosystems Chemistry & Institut für Organische Chemie, Universität Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Xiao-Juan Yang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of, the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, 710127, P. R. China
| | - Biao Wu
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of, the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, 710127, P. R. China
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38
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Wang YJ, Wang SY, Zhang Y, Xia B, Li QW, Wang QL, Ma Y. Two zinc coordination polymers with photochromic behaviors and photo-controlled luminescence properties. CrystEngComm 2020. [DOI: 10.1039/d0ce00725k] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Two new coordination polymers, [Zn(3-NDI)0.5(NDC)(DMF)]n (1) and {[Zn1.5(3-NDI)0.5(BDC)1.5]·2.5DMF}n (2), were synthesized. Both complexes show photochromic behaviors and have obvious fluorescence quenching behaviors upon irradiation.
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Affiliation(s)
- Yi-Jun Wang
- College of Chemistry
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education)
- Nankai University
- Tianjin
- P. R. China
| | - Shen-Yu Wang
- College of Chemistry
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education)
- Nankai University
- Tianjin
- P. R. China
| | - Yue Zhang
- College of Chemistry
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education)
- Nankai University
- Tianjin
- P. R. China
| | - Bin Xia
- College of Chemistry
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education)
- Nankai University
- Tianjin
- P. R. China
| | - Quan-Wen Li
- College of Chemistry
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education)
- Nankai University
- Tianjin
- P. R. China
| | - Qing-Lun Wang
- College of Chemistry
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education)
- Nankai University
- Tianjin
- P. R. China
| | - Yue Ma
- College of Chemistry
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education)
- Nankai University
- Tianjin
- P. R. China
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39
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40
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Dong JL, Xie F, Du JQ, Lan HM, Yang RX, Wang DZ. Cobalt MOFs base on benzimidazol and varied carboxylate ligands with higher capacitance for supercapacitors and magnetic properties. J SOLID STATE CHEM 2019. [DOI: 10.1016/j.jssc.2019.120917] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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41
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Chen YC, Chiang WH, Kurniawan D, Yeh PC, Otake KI, Kung CW. Impregnation of Graphene Quantum Dots into a Metal-Organic Framework to Render Increased Electrical Conductivity and Activity for Electrochemical Sensing. ACS APPLIED MATERIALS & INTERFACES 2019; 11:35319-35326. [PMID: 31423762 DOI: 10.1021/acsami.9b11447] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Graphene quantum dots (GQD) with an average size of 3.1 nm were incorporated into a mesoporous porphyrinic zirconium-based metal-organic framework (MOF) by direct impregnation to render the donor-acceptor charge transfer from GQDs to porphyrinic linkers. The hybrid material still possesses around half porosity of the pristine MOF and shows a 100-fold higher electrical conductivity compared to that of the parent MOF. By utilizing the porphyrinic linkers as catalytically active units, the GQD-MOF material exhibits a better electrochemical sensing activity toward nitrite in aqueous solutions compared to both the pristine MOF and GQD.
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Affiliation(s)
- Yu-Chuan Chen
- Department of Chemical Engineering , National Cheng Kung University , 1 University Road , Tainan City 70101 , Taiwan
| | - Wei-Hung Chiang
- Department of Chemical Engineering , National Taiwan University of Science and Technology , 43, Keelung Road, Sec.4 , Da'an Dist., Taipei City 10607 , Taiwan
| | - Darwin Kurniawan
- Department of Chemical Engineering , National Taiwan University of Science and Technology , 43, Keelung Road, Sec.4 , Da'an Dist., Taipei City 10607 , Taiwan
| | - Pei-Chun Yeh
- Department of Chemical Engineering , National Taiwan University of Science and Technology , 43, Keelung Road, Sec.4 , Da'an Dist., Taipei City 10607 , Taiwan
| | - Ken-Ichi Otake
- Institute for integrated Cell-Materials Science (iCeMS) , Kyoto University , Yoshida-honmachi , Sakyo-ku, Kyoto 606-8501 , Japan
| | - Chung-Wei Kung
- Department of Chemical Engineering , National Cheng Kung University , 1 University Road , Tainan City 70101 , Taiwan
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42
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Yang X, Zhu R, Yin J, Ma S, Cui J, Zhang J. Synergy of Electron Transfer and Charge Transfer in the Control of Photodynamic Behavior of Coordination Polymers. Chemistry 2019; 25:13152-13156. [DOI: 10.1002/chem.201902300] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 07/05/2019] [Indexed: 12/24/2022]
Affiliation(s)
- Xiao‐Dong Yang
- MOE Key Laboratory of Cluster ScienceKey Laboratory of Photoelectronic/Electrophotonic Conversion MaterialsSchool of Chemistry and Chemical EngineeringBeijing Institute of Technology Beijing 102488 P.R. China
| | - Rui Zhu
- MOE Key Laboratory of Cluster ScienceKey Laboratory of Photoelectronic/Electrophotonic Conversion MaterialsSchool of Chemistry and Chemical EngineeringBeijing Institute of Technology Beijing 102488 P.R. China
| | - Jian‐Ping Yin
- MOE Key Laboratory of Cluster ScienceKey Laboratory of Photoelectronic/Electrophotonic Conversion MaterialsSchool of Chemistry and Chemical EngineeringBeijing Institute of Technology Beijing 102488 P.R. China
| | - Shuai Ma
- MOE Key Laboratory of Cluster ScienceKey Laboratory of Photoelectronic/Electrophotonic Conversion MaterialsSchool of Chemistry and Chemical EngineeringBeijing Institute of Technology Beijing 102488 P.R. China
| | - Jing‐Wang Cui
- MOE Key Laboratory of Cluster ScienceKey Laboratory of Photoelectronic/Electrophotonic Conversion MaterialsSchool of Chemistry and Chemical EngineeringBeijing Institute of Technology Beijing 102488 P.R. China
| | - Jie Zhang
- MOE Key Laboratory of Cluster ScienceKey Laboratory of Photoelectronic/Electrophotonic Conversion MaterialsSchool of Chemistry and Chemical EngineeringBeijing Institute of Technology Beijing 102488 P.R. China
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43
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Ke H, Liao JZ, Lu CZ. Structural characterization and photochromic behaviour of a novel compound based on a π-acidic naphthalene diimide derivative and a double hydroxide-bridged dinuclear Al III aqua ion cluster. ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY 2019; 75:1128-1133. [PMID: 31380795 DOI: 10.1107/s2053229619009872] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Accepted: 07/10/2019] [Indexed: 11/10/2022]
Abstract
Noncovalent interactions, such as π-π stacking interactions, C-H...π interactions and hydrogen bonding, are important driving forces for self-assembly in the construction of functional supermolecules and materials, especially in multicomponent supramolecular systems. Herein, a novel compound based on a π-acidic naphthalene diimide derivative and a double hydroxide-bridged dinuclear Al3+ aqua ion cluster, namely bis[N,N'-bis(2-sulfonatoethyl)-1,4,5,8-naphthalene diimide] di-μ-hydroxido-bis[tetraaquaaluminium(III)] tetrahydrate, (C18H12N2O10S2)2[Al2(OH)2(H2O)8]·4H2O, was obtained using the above-mentioned common noncovalent interactions, as well as uncommon lone-pair-π interactions. Functional molecular modules were connected by these noncovalent interactions to generate obvious photochromic properties. The compound was prepared by the self-assembly of N,N'-bis(2-sulfoethyl)-1,4,5,8-naphthalene diimide and Al(NO3)3·9H2O under mixed solvothermal conditions, and was characterized in detail by single-crystal X-ray diffraction, powder X-ray diffraction and FT-IR spectroscopy. The thermal stability and photochromic properties were also investigated; furthermore, in-situ solid-state UV-Vis absorption spectroscopy and electron spin resonance (ESR) were used to clarify the photochromic mechanism.
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Affiliation(s)
- Hua Ke
- Engineering Technology Research Center for Environmental Protection Materials and Equipment of Jiangxi Province, Jiangxi Key Laboratory of Industrial Ceramics, Pingxiang University, Pingxiang 337055, People's Republic of China
| | - Jian Zhen Liao
- Engineering Technology Research Center for Environmental Protection Materials and Equipment of Jiangxi Province, Jiangxi Key Laboratory of Industrial Ceramics, Pingxiang University, Pingxiang 337055, People's Republic of China
| | - Can Zhong Lu
- Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, People's Republic of China
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44
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Murase R, Ding B, Gu Q, D'Alessandro DM. Prospects for electroactive and conducting framework materials. PHILOSOPHICAL TRANSACTIONS. SERIES A, MATHEMATICAL, PHYSICAL, AND ENGINEERING SCIENCES 2019; 377:20180226. [PMID: 31130095 PMCID: PMC6562346 DOI: 10.1098/rsta.2018.0226] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 03/12/2019] [Indexed: 06/09/2023]
Abstract
Electroactive and conducting framework materials, encompassing coordination polymers and metal-organic frameworks, have captured the imagination of the scientific community owing to their highly designable nanoporous structures and their potential applications in electrochromic devices, electrocatalysts, porous conductors, batteries and solar energy harvesting systems, among many others. While they are now considered integral members of the broader field of inorganic materials, it is timely to reflect upon their strengths and challenges compared with 'traditional' solid-state materials such as minerals, pigments and zeolites. Indeed, the latter have been known since ancient times and have been prized for centuries in fields as diverse as art, archaeology and industrial catalysis. This opinion piece considers a brief historical perspective of traditional electroactive and conducting inorganic materials, with a view towards very recent experimental progress and new directions for future progress in the burgeoning area of coordination polymers and metal-organic frameworks. Overall, this article bears testament to the rich history of electroactive solids and looks at the challenges inspiring a new generation of scientists. This article is part of the theme issue 'Mineralomimesis: natural and synthetic frameworks in science and technology'.
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45
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Wang HY, Su J, Ma JP, Yu F, Leong CF, D'Alessandro DM, Kurmoo M, Zuo JL. Concomitant Use of Tetrathiafulvalene and 7,7,8,8-Tetracyanoquinodimethane within the Skeletons of Metal-Organic Frameworks: Structures, Magnetism, and Electrochemistry. Inorg Chem 2019; 58:8657-8664. [PMID: 31187988 DOI: 10.1021/acs.inorgchem.9b01000] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
In search of multifunctional metal-organic frameworks (MOFs), redox-active donors and acceptors, namely, tetrathiafulvalene (TTF) and 7,7,8,8-tetracyanoquinodimethane (TCNQ), were concomitantly used as skeletal components with diamagnetic metal nodes (Cd and Zn) to construct unique framework materials. Six isostructural frameworks were synthesized by diffusion of metal salts, TTF(py)4, and either paramagnetic Li(TCNQ) or diamagnetic H2TCNQ. They were characterized by single-crystal X-ray diffraction and FT-IR and UV-vis-NIR spectroscopy, and their physical properties were studied, including two postsynthetic modifications involving crystal-to-crystal transformations following a solid-solution reaction with I2. The highly colored crystals of two isostructural Zn and Cd frameworks contain undulating Cd-TTF(py)4 layers entwined with TCNQ in a chicken-wire net as part of the skeleton of the MOF as well as TCNQ intercalated within the channels, while nitrate anions are occluded within the cavities formed by the pyridine moieties. Reaction with I2 replaces each intercalated TCNQ•- within the channels with I3-. The optical properties and the electron paramagnetic resonance (EPR) spectra indicate the presence of only radical TCNQ•- in the parent compounds, while the magnetic susceptibilities enabled an estimation of the amount of TCNQ•- ( S = 1/2) leading to almost paramagnetic behavior. Solid-state electrochemistry provides evidence of several one-electron redox states corresponding to the electroactive cores.
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Affiliation(s)
- Hai-Ying Wang
- College of Chemistry and Materials Science , Sichuan Normal University , Chengdu 610066 , PR China.,State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures , Nanjing University , Nanjing 210023 , PR China
| | - Jian Su
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures , Nanjing University , Nanjing 210023 , PR China
| | - Jian-Ping Ma
- School of Chemistry, Chemical Engineering and Materials Science , Shandong Normal University , Jinan 250014 , PR China
| | - Fei Yu
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures , Nanjing University , Nanjing 210023 , PR China
| | - Chanel F Leong
- School of Chemistry , The University of Sydney , Sydney , New South Wales 2006 , Australia
| | - Deanna M D'Alessandro
- School of Chemistry , The University of Sydney , Sydney , New South Wales 2006 , Australia
| | - Mohamedally Kurmoo
- Université de Strasbourg , Institut de Chimie de Strasbourg, CNRS-UMR7177 , 4 rue Blaise Pascal , Strasbourg 67008 , France
| | - Jing-Lin Zuo
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures , Nanjing University , Nanjing 210023 , PR China
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46
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Qu L, Iguchi H, Takaishi S, Habib F, Leong CF, D'Alessandro DM, Yoshida T, Abe H, Nishibori E, Yamashita M. Porous Molecular Conductor: Electrochemical Fabrication of Through-Space Conduction Pathways among Linear Coordination Polymers. J Am Chem Soc 2019; 141:6802-6806. [PMID: 30998332 DOI: 10.1021/jacs.9b01717] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The first porous molecular conductor (PMC), which exhibits porosity, a through-space conduction pathway and rich charge carriers (electrons), was prepared through electrocrystallization from Cd2+ and N, N'-di(4-pyridyl)-1,4,5,8-naphthalenetetracarboxdiimide (NDI-py). [Cd(NDI-py)(OH2)4](NO3)1.3±0.1· nDMA (PMC-1) was assembled by π-π stacking among one-dimensional (1D) linear coordination polymers. The NDI cores were partially reduced into radical anions to form conductive π-stacked columns, yielding (1.0-3.3) × 10-3 S cm-1 at room temperature. Moreover, the electrical conductivity was significantly enhanced by removing the solvent molecules from PMC-1, indicating that PMCs are promising as molecule-responsive conductive materials.
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Affiliation(s)
- Liyuan Qu
- Department of Chemistry, Graduate School of Science , Tohoku University , 6-3 Aza-Aoba, Aramaki , Sendai 980-8578 , Japan
| | - Hiroaki Iguchi
- Department of Chemistry, Graduate School of Science , Tohoku University , 6-3 Aza-Aoba, Aramaki , Sendai 980-8578 , Japan
| | - Shinya Takaishi
- Department of Chemistry, Graduate School of Science , Tohoku University , 6-3 Aza-Aoba, Aramaki , Sendai 980-8578 , Japan
| | - Faiza Habib
- Department of Chemistry, Graduate School of Science , Tohoku University , 6-3 Aza-Aoba, Aramaki , Sendai 980-8578 , Japan
| | - Chanel F Leong
- School of Chemistry , The University of Sydney , Sydney , New South Wales 2006 , Australia
| | - Deanna M D'Alessandro
- School of Chemistry , The University of Sydney , Sydney , New South Wales 2006 , Australia
| | - Takefumi Yoshida
- Electronic Functional Macromolecules Group, National Institute for Materials Science (NIMS) , 1-1 Namiki , Tsukuba , Ibaraki 305-0044 , Japan
| | - Hitoshi Abe
- Institute of Materials Structure Science High Energy Accelerator Research Organization (KEK) , 1-1 Oho , Tsukuba , Ibaraki 305-0801 , Japan.,Department of Materials Structure Science, School of High Energy Accelerator Science , SOKENDAI (the Graduate University for Advanced Studies) , 1-1 Oho , Tsukuba , Ibaraki 305-0801 , Japan
| | - Eiji Nishibori
- Division of Physics, Faculty of Pure and Applied Sciences & Tsukuba Research Center for Energy Materials Science (TREMS) , University of Tsukuba , Tsukuba , Ibaraki 305-8571 , Japan
| | - Masahiro Yamashita
- Department of Chemistry, Graduate School of Science , Tohoku University , 6-3 Aza-Aoba, Aramaki , Sendai 980-8578 , Japan.,Advanced Institute for Materials Research, Tohoku University , 2-1-1 Katahira, Aoba-ku , Sendai 980-8577 , Japan.,School of Materials Science and Engineering , Nankai University , Tianjin 300350 , China
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47
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Su J, Hu TH, Murase R, Wang HY, D’Alessandro DM, Kurmoo M, Zuo JL. Redox Activities of Metal–Organic Frameworks Incorporating Rare-Earth Metal Chains and Tetrathiafulvalene Linkers. Inorg Chem 2019; 58:3698-3706. [DOI: 10.1021/acs.inorgchem.8b03299] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Jian Su
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210023, China
| | - Tian-Hao Hu
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210023, China
| | - Ryuichi Murase
- School of Chemistry, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Hai-Ying Wang
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210023, China
| | | | - Mohamedally Kurmoo
- Institut de Chimie de Strasbourg, CNRS-UMR7177, Université de Strasbourg, 4 rue Blaise Pascal, Strasbourg 67000, France
| | - Jing-Lin Zuo
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210023, China
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48
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Akintola O, Böhme M, Rudolph M, Buchholz A, Görls H, Plass W. Metal-Bonded Redox-Active Triarylamines and Their Interactions: Synthesis, Structure, and Redox Properties of Paddle-Wheel Copper Complexes. ChemistryOpen 2019; 8:271-284. [PMID: 30859054 PMCID: PMC6396145 DOI: 10.1002/open.201800243] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 12/02/2018] [Indexed: 11/13/2022] Open
Abstract
Four new triphenylamine ligands with different substituents in the para position and their corresponding copper(II) complexes are reported. This study includes their structural, spectroscopic, magnetic, and electrochemical properties. The complexes possess a dinuclear copper(II) paddle-wheel core, a building unit that is also common in metal-organic frameworks. Electrochemical measurements demonstrate that the triphenylamine ligands and the corresponding complexes are susceptible to oxidation, resulting in the formation of stable radical cations. The square-wave voltammograms observed for the complexes are similar to those of the ligands, except for a slight shift in potential. Square-wave voltammetry data show that, in the complexes, these oxidations can be described as individual one-electron processes centered on the coordinated ligands. Spectroelectrochemistry reveals that, during the oxidation of the complexes, no difference can be detected for the spectra of successively oxidized species. For the absorption bands of the oxidized species of the ligands and complexes, only a slight shift is observed. ESR spectra for the chemically oxidized complexes indicate ligand-centered radicals. The copper ions of the paddle-wheel core are strongly antiferromagnetic coupled. DFT calculations for the fully oxidized complexes indicate a very weak ferromagnetic coupling between the copper ions and the ligand radicals, whereas a very weak antiferromagnetic coupling is found among the ligand radicals.
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Affiliation(s)
- Oluseun Akintola
- Institut für Anorganische und Analytische ChemieFriedrich-Schiller-Universität JenaHumboldtstr. 807743JenaGermany
| | - Michael Böhme
- Institut für Anorganische und Analytische ChemieFriedrich-Schiller-Universität JenaHumboldtstr. 807743JenaGermany
| | - Manfred Rudolph
- Institut für Anorganische und Analytische ChemieFriedrich-Schiller-Universität JenaHumboldtstr. 807743JenaGermany
| | - Axel Buchholz
- Institut für Anorganische und Analytische ChemieFriedrich-Schiller-Universität JenaHumboldtstr. 807743JenaGermany
| | - Helmar Görls
- Institut für Anorganische und Analytische ChemieFriedrich-Schiller-Universität JenaHumboldtstr. 807743JenaGermany
| | - Winfried Plass
- Institut für Anorganische und Analytische ChemieFriedrich-Schiller-Universität JenaHumboldtstr. 807743JenaGermany
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49
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Ding B, Hua C, Kepert CJ, D'Alessandro DM. Influence of structure-activity relationships on through-space intervalence charge transfer in metal-organic frameworks with cofacial redox-active units. Chem Sci 2019; 10:1392-1400. [PMID: 30809356 PMCID: PMC6357700 DOI: 10.1039/c8sc01128a] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Accepted: 10/28/2018] [Indexed: 11/21/2022] Open
Abstract
Understanding charge transfer in redox-active metal-organic frameworks (MOFs) is of fundamental importance given the potential of these materials to be used in myriad applications including porous conductors, electrocatalysts and battery materials, amongst others. An important challenge is quantifying the spectroscopic features of these materials in order to elucidate their charge transfer properties. Herein, two topologically related Zn(ii) and Cd(ii) frameworks, [Zn2(DPPTzTz)2(SDC)2] (1-Zn) and [Cd2(DPPTzTz)2(SDC)2] (2-Cd) (where DPPTzTz = 2,5-bis(4-(4-pyridinyl)phenyl)thiazolo[5,4-d]thiazole and SDC = selenophene-2,5-dicarboxylate), incorporating cofacially stacked pairs of redox-active DPPTzTz ligands are presented. The differences in the through-space intervalence charge transfer properties of the mixed-valence forms of the two frameworks generated upon solid state spectroelectrochemical reduction are quantified using Marcus-Hush theory. Further, charge transfer theory is applied to calculate electron mobilities in both extended framework systems. A larger electronic coupling constant, H ab, of 118 cm-1 corresponding to an electron mobility, k, of 6.02 × 108 s-1 was observed for the Zn(ii) analogue compared to the Cd(ii) analogue (H ab = 61.2 cm-1 and k = 2.22 × 108 s-1) and was correlated primarily with the larger cofacial stacking distance and increasingly offset stacking geometry between DPPTzTz ligands in the latter. Establishing structure-activity relationships in electroactive MOFs, in addition to methods for quantifying their charge transfer properties, represents an important advance in fine tuning solid state materials for device applications.
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Affiliation(s)
- Bowen Ding
- School of Chemistry , The University of Sydney , New South Wales , 2006 Australia . ;
| | - Carol Hua
- School of Chemistry , The University of Sydney , New South Wales , 2006 Australia . ;
| | - Cameron J Kepert
- School of Chemistry , The University of Sydney , New South Wales , 2006 Australia . ;
| | - Deanna M D'Alessandro
- School of Chemistry , The University of Sydney , New South Wales , 2006 Australia . ;
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Kuang X, Chen S, Meng L, Chen J, Wu X, Zhang G, Zhong G, Hu T, Li Y, Lu CZ. Supramolecular aggregation of a redox-active copper-naphthalenediimide network with intrinsic electron conduction. Chem Commun (Camb) 2019; 55:1643-1646. [PMID: 30657485 DOI: 10.1039/c8cc10269d] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A sextuple ordered interpenetrated copper-naphthalenediimide network has been constructed by combining the features of porous metal-organic frameworks and π-conjugated supramolecular aggregation. The material exhibits intrinsic semiconductive features with narrow bandgap energy (1.2 eV) and outstanding electron transport. Theoretical calculations combined with experiments indicate that the high electron conduction may originate from π-d coupling and J-aggregation.
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Affiliation(s)
- Xiaofei Kuang
- Xiamen Institute of Rare Earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen, 361021, P. R. China.
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