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Das S, Sahoo A, Baitalik S. Advancing Molecular-Scale Logic Devices through Multistage Switching in a Luminescent Bimetallic Ru(II)-Terpyridine Complex. Inorg Chem 2024; 63:14933-14942. [PMID: 39091180 DOI: 10.1021/acs.inorgchem.4c01456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/04/2024]
Abstract
Stimuli-responsive multistep switching phenomena of a luminescent bimetallic Ru(II) complex are employed herein to fabricate multiple configurable logic devices. The complex exhibits "off-on" and "on-off" emission switching upon alternative treatment with visible and UV light. Additionally, remarkable augmentation of the rate as well as quantum yield of photoisomerization was achieved via the use of a chemical oxidant (Ce4+) as well as a reductant (metallic sodium). Upon exploiting the emission spectral response of the complex, several advanced Boolean logic functions, including IMPLICATION as well as 2-input 2-output and 3-input 2-output complex combinational logic gates, are successfully implemented. Additionally, by utilizing the vast efficacy of Python, a novel "logic_circuit" model is devised that is capable of making accurate decisions under the influence of various input combinations. This model transcends traditional Boolean logic gates, offering flexibility and intuition to design logical functions tailored to specific chemical contexts. By integrating principles of logic circuits with chemical processes, this innovative approach enables structure determination of the chemical states based on input conditions, thereby unlocking avenues for exploring intricate interactions and reactions beyond conventional Boolean logic paradigms.
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Affiliation(s)
- Soumi Das
- Inorganic Chemistry Section, Department of Chemistry, Jadavpur University, Kolkata 700032, India
| | - Anik Sahoo
- Inorganic Chemistry Section, Department of Chemistry, Jadavpur University, Kolkata 700032, India
| | - Sujoy Baitalik
- Inorganic Chemistry Section, Department of Chemistry, Jadavpur University, Kolkata 700032, India
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2
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Das S, Bar M, Ganguly T, Baitalik S. Control of Photoisomerization Kinetics via Multistage Switching in Bimetallic Ru(II)-Terpyridine Complexes. Inorg Chem 2024; 63:6600-6615. [PMID: 38557011 DOI: 10.1021/acs.inorgchem.3c04255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
In this study, we carried out detailed experimental and theoretical investigation on photophysical, electrochemical, and photoisomerization behaviors of a new array of luminescent binuclear Ru(II) complexes derived from a phenylene-vinylene-substituted terpyridyl ligand possessing RT lifetimes within 60.3-410.5 ns. The complexes experienced trans-to-cis isomerization in MeCN on irradiation with visible light, accompanied by significant changes in their absorption and emission spectral profiles. The reverse cis-to-trans process is also possible with the use of ultraviolet (UV) light. On conversion from trans to cis isomers, the emission intensity increases substantially, while for the reverse process, luminescence quenching occurs. Thus, "off-on" and "on-off" emission switching is facilitated upon treatment with visible and UV light alternatively. By the use of chemical oxidants (ceric ammonium nitrate and potassium permanganate) and reductants (metallic sodium) as well as light of appropriate wavelengths, multistate switching phenomena involving reversible oxidation-reduction and trans-cis isomerization have been achieved. Interestingly, the rate of this multistate photoswitching process becomes much faster compared to only two-state trans-cis isomerization of these complexes. Density functional theory (DFT) and time-dependent-DFT (TD-DFT) calculations are also performed to obtain a clear picture of the electronic environment of the complexes and also for the appropriate assignment of absorption and emission spectral bands.
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Affiliation(s)
- Soumi Das
- Department of Chemistry, Inorganic Chemistry Section, Jadavpur University, Kolkata 700032, India
| | - Manoranjan Bar
- Department of Chemistry, Inorganic Chemistry Section, Jadavpur University, Kolkata 700032, India
| | - Tanusree Ganguly
- Department of Chemistry, Inorganic Chemistry Section, Jadavpur University, Kolkata 700032, India
| | - Sujoy Baitalik
- Department of Chemistry, Inorganic Chemistry Section, Jadavpur University, Kolkata 700032, India
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3
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Panda S, Dhara S, Singh A, Dey S, Kumar Lahiri G. Metal-coordinated azoaromatics: Strategies for sequential azo-reduction, isomerization and application potential. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Lin M, Zou S, Li T, Karges J, Chen Y, Zhao Y, Ji L, Chao H. Chiral rhodium(III)-azobenzene complexes as photoswitchable DNA molecular locks. Chem Commun (Camb) 2022; 58:4324-4327. [DOI: 10.1039/d2cc00932c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Chiral rhodium(III)-azobenzene complexes which are able to intercalate into DNA were developed. Upon light exposure, the azobenzene moiety of the metal complex can photoisomerize from the trans- into the cis-form...
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Gupta D, Gaur AK, Chauhan D, Thakur SK, Jeyapalan V, Singh S, Rajaraman G, Venkataramani S. Solid-state photochromic arylazopyrazole based transition metal complexes. Inorg Chem Front 2022. [DOI: 10.1039/d2qi00325b] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new class of photoactive and chelating ligands L1-3 have been designed and synthesized by incorporating arylazo-3,5-dimethylpyrazole units in the ligand frameworks. Significantly they are designed in such a way...
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Low-cost photo-switches based on stilbene-appended Zn(II)-terpyridine complexes. Photochem Photobiol Sci 2021; 20:1125-1145. [PMID: 34449076 DOI: 10.1007/s43630-021-00085-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 07/30/2021] [Indexed: 12/29/2022]
Abstract
We report herein the synthesis, characterization, photophysics, and photo-isomerization behaviors of three Zn(II)-terpyridine complexes of the type [Zn(tpy-pvp-X)2]2+ (X = H, Me, and NO2) covalently tethered with stilbene moiety. The complexes exhibit absorption bands stretching up to the edge of the visible domain due to ligand → ligand charge transfer (LLCT) transitions and strong emission at room temperature in the visible due to radiative deactivation of 3LLCT state having lifetime within 1.0-3.0 ns. The stilbene motifs in the complexes undergo trans to cis isomerization upon irradiating with UV and visible light accompanied by significant alteration of their absorption, emission, and 1H NMR spectral profiles. Apart from the variation of electron donating and electron withdrawing substituent (X), the isomerization studies were also carried out in three different solvents (DCM, MeCN, and DMSO) to further tune their kinetic and thermodynamic parameters. The rate, rate constant and quantum yield of isomerization were estimated in all the solvents. The reverse process (cis to trans) also occurs very slowly on keeping but could be accelerated upon heating. Trans to cis photoisomerization leads to quenching of emission in case of 1 and 2, whereas backward thermal cis to trans conversion leads to restoration of emission. By contrast, for the nitro-derivative (3) forward process induces emission enhancement, while backward process gives rise to emission quenching. In essence, "on-off" and "off-on" emission switching is feasible for 1 and 2, whereas "off-on" and "on-off" emission switching occurs in case of 3. Emission spectral responses upon successive action of photonic and thermal input lead to the fabrication of INHIBIT and IMPLICATION logic gates. DFT and TD-DFT computational investigations were also undertaken to visualize their electronic structures, correct assignment of the spectral bands, and mode of isomerization process.
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Pal P, Ganguly T, Sahoo A, Baitalik S. Emission Switching in the Near-Infrared by Reversible Trans-Cis Photoisomerization of Styrylbenzene-Conjugated Osmium Terpyridine Complexes. Inorg Chem 2021; 60:4869-4882. [PMID: 33755458 DOI: 10.1021/acs.inorgchem.0c03788] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A new array of homoleptic osmium(II) complexes based on styrylbenzene-conjugated terpyridine ligands (tpy-pvp-X) were synthesized and their photophysical, electrochemical, and photoisomerization behaviors thoroughly investigated in this work. Both electron-donating and -withdrawing substituents were incorporated onto a tpy-pvp-X (X = H, Me, Cl, NO2, and Ph) moiety to tune the optical properties and also the rate of photoisomerization behaviors in the complexes. All complexes display strong spin-allowed singlet metal-to-ligand charge-transfer bands in the visible (495-506 nm) and weak singlet ground state to triplet metal-to-ligand charge-transfer (3MLCT) broad bands within the 600-700 nm range. The complexes also exhibit strong phosphorescence emission from their 3MLCT state in the near-infrared domain (737-752 nm) at room temperature with excited-state lifetimes spanning between 107 and 165 ns. Two styrylbenzene units promote reversible trans-trans to trans-cis/cis-cis isomerization induced by light. The rate constants and quantum yields of photoisomerization were found to vary linearly with the Hammett σp parameters of the substituents. The rate and quantum yields were also found to decrease with increasing polarity of the solvents. Considerable modulation of the optical behavior along with luminescence switching in the complexes has been achieved upon photoisomerization. Moreover, the optical outputs as a function of two photonic stimuli inputs were used to demonstrate the binary function of a two-input IMPLICATION logic gate. In conjunction with the experimental study, computational investigations were also carried out in all three conformations of the complexes (trans-trans, trans-cis, and cis-cis) to have a perception of their electronic structures and for correct assignment of their absorption and emission spectral bands.
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Affiliation(s)
- Poulami Pal
- Department of Chemistry, Inorganic Chemistry Section, Jadavpur University,Kolkata 700032, India
| | - Tanusree Ganguly
- Department of Chemistry, Inorganic Chemistry Section, Jadavpur University,Kolkata 700032, India
| | - Anik Sahoo
- Department of Chemistry, Inorganic Chemistry Section, Jadavpur University,Kolkata 700032, India
| | - Sujoy Baitalik
- Department of Chemistry, Inorganic Chemistry Section, Jadavpur University,Kolkata 700032, India
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Mukherjee S, Pal P, Sahoo A, Baitalik S. Photo-switchable iron-terpyridine complexes functionalized with styrylbenzene unit. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2020.113059] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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9
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Wang JX, Li C, Tian H. Energy manipulation and metal-assisted photochromism in photochromic metal complex. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213579] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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10
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Xie J, Wu T, Wang X, Yu C, Huang W, Wu D. Azo-Label Heterometal-Organic Rhomboids Exhibiting Photoswitchable NIR Luminescence in Crystalline State. Inorg Chem 2020; 59:15460-15466. [PMID: 32990428 DOI: 10.1021/acs.inorgchem.0c02488] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Photochromism is an important strategy for realizing reversible light-controllable fluorescence switching. In spite of several reports on fluorescence switching via a photochromic process, the success of photochromic multimetallic complexes reversibly showing fluorescence switching in the solid or crystalline state has been limited for their application importance. Here, we report a photoswitchable near-infrared (NIR) fluorescence based on photochromism in the azo-label 3d/4f heterometal-organic rhomboids, azo-Zn2Ln2 (Ln = Eu (1), Yb (2), and Er (3)), in the crystalline state. An individual metallorhomboid contains up to four azobenzene fragments, which is prepared via the three-component assembly of a trans-azobenzene-grafted multifunctional ligand, and 3d and 4f metal ions. The photoisomerization quantum yields of azo-Zn2Ln2 complexes can be retained or even higher when compared to the free ligand due to the modification of electronic structure. The impressive crystalline-state NIR luminescence is observed for the complexes of azo-Zn2Yb2 (2) and azo-Zn2Er2 (3) at room temperature. Intriguingly, the switchable NIR luminescence can be effectively regulated by photochromism in the crystalline state. These features endow the self-assembly of the 3d/4f metallorhomboid with synergetic multifunctional behavior between photochromism and NIR luminescence.
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Affiliation(s)
- Jing Xie
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis & Green Manufacturing Collaborative Innovation Center, School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu 213164, P. R. China
| | - Ting Wu
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis & Green Manufacturing Collaborative Innovation Center, School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu 213164, P. R. China
| | - Xiaoling Wang
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis & Green Manufacturing Collaborative Innovation Center, School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu 213164, P. R. China
| | - Chengfeng Yu
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis & Green Manufacturing Collaborative Innovation Center, School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu 213164, P. R. China
| | - Wei Huang
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis & Green Manufacturing Collaborative Innovation Center, School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu 213164, P. R. China
| | - Dayu Wu
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis & Green Manufacturing Collaborative Innovation Center, School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu 213164, P. R. China
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Poyer S, Choi CM, Deo C, Bogliotti N, Xie J, Dugourd P, Chirot F, Salpin JY. Kinetic study of azobenzene E/Z isomerization using ion mobility-mass spectrometry and liquid chromatography-UV detection. Analyst 2020; 145:4012-4020. [PMID: 32347851 DOI: 10.1039/d0an00048e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Z and E azobenzene isomers are molecular switches which can interconvert both photochemically and thermally. Presently, we studied a ketal-substituted bridged azobenzene in which two stable diastereomeric conformers (Z1 and Z2) photochemically interconvert through the transient E isomer. UV-VIS absorption spectroscopy is commonly used to study the relaxation kinetics of azobenzenes, but it does not allow direct quantitation of the process in this case. In the present paper, liquid chromatography coupled to UV detection (LC-UV) and ion mobility-mass spectrometry (IMS-MS) were combined to study the thermal back relaxation kinetics of the E isomer. LC separation of the three isomers was achieved in less than 10 minutes, allowing the characterization of the relatively slow thermal back relaxation kinetics at low temperature through UV detection. In addition, the faster E→Z thermal back relaxation at higher temperature was studied using IMS-MS, which allows shorter timescale separation than LC. Baseline separation of the two Z isomers was achieved in IMS-MS for [Z + Ag]+ ions, and their gas-phase conformations were determined by IRMPD experiments. Both IMS-MS and LC-UV methodologies succeeded to study the E→Z thermal back relaxation kinetics, and appeared to be complementary techniques. We show that the combination of the two techniques allows the characterization of the isomerization processes over a broad temperature range, and the determination of the associated thermodynamic observables.
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Affiliation(s)
- Salomé Poyer
- Université Paris-Saclay, Univ Evry, CNRS, LAMBE, 91025, Evry-Courcouronnes, France.
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12
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Experimental and theoretical exploration of photophysics and trans-cis photoisomerization of styrylbenzene conjugated terpyridine complexes of Ru(II): Strong effect of deprotonation from second coordination sphere. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2020.112409] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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13
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Fu CY, Chen L, Wang X, Lin LR. Synthesis of Bis-β-Diketonate Lanthanide Complexes with an Azobenzene Bridge and Studies of Their Reversible Photo/Thermal Isomerization Properties. ACS OMEGA 2019; 4:15530-15538. [PMID: 31572854 PMCID: PMC6761611 DOI: 10.1021/acsomega.9b01817] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Accepted: 08/27/2019] [Indexed: 06/02/2023]
Abstract
The ligand, bis-β-diketone with an azobenzene bridge (4,4'-(4,4,4-trifluoro-1,3-butanedione)azobenzene, H 2 L), was prepared for the synthesis of a series of dinuclear lanthanide complexes with the formula [Ln 2 L 3 (DMSO) 4 ] (Ln = Eu3+, Gd3+, Tb3+, and DMSO = dimethyl sulfoxide). X-ray crystallographic analysis reveals that the three complexes are triple-stranded dinuclear structures formed by three bis-β-diketonate ligands with two lanthanide ions (Ln3+). The trans-to-cis photoisomerization rates of the azobenzene group of the three [Ln 2 L 3 (DMSO) 4 ] complexes in ethanol and acetonitrile solutions are similar to those of the pure H 2 L ligand and other azobenzene-containing mononuclear lanthanide complexes, but the trans-to-cis quantum yields (Φt→c = 10-3) are 1 order of magnitude smaller. The first-order rate constant for the cis-to-trans thermal isomerization at 50 °C of the H 2 L ligand is similar to those of azobenzene derivatives, while those for the [Ln 2 L 3 (DMSO) 4 ] complexes (k iso = 10-4 s-1) are higher than those of the mononuclear azobenzene-containing lanthanide complexes. Furthermore, as the lanthanide ionic radius becomes smaller from Eu3+ to Gd3+ to Tb3+, the thermal isomerization rate constant decreases and the half-life increases. All these results are proposed to arise from the rigidity at both ends of the azo group by coordination to the dinuclear lanthanide ions and the different isomerization mechanisms. These are the first examples of bis-β-diketonate dinuclear lanthanide complexes with an azobenzene bridge and help illustrate the mechanism of azobenzene isomerization.
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Affiliation(s)
- Cai-Ye Fu
- Department of Chemistry, College of
Chemistry and Chemical Engineering, Xiamen
University, Xiamen 361005, P. R. China
| | - Lu Chen
- Department of Chemistry, College of
Chemistry and Chemical Engineering, Xiamen
University, Xiamen 361005, P. R. China
| | - Xuan Wang
- Department of Chemistry, College of
Chemistry and Chemical Engineering, Xiamen
University, Xiamen 361005, P. R. China
| | - Li-Rong Lin
- Department of Chemistry, College of
Chemistry and Chemical Engineering, Xiamen
University, Xiamen 361005, P. R. China
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Mukherjee S, Pal P, Maity D, Baitalik S. Photophysics and luminescence switching properties of a series of photochromic styrylbenzene-terpyridine conjugate: Experimental and DFT/TD-DFT investigation. J Photochem Photobiol A Chem 2019. [DOI: 10.1016/j.jphotochem.2019.04.015] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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15
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Huang G, Yi X, Gendron F, Le Guennic B, Guizouarn T, Daiguebonne C, Calvez G, Suffren Y, Guillou O, Bernot K. A supramolecular chain of dimeric Dy single molecule magnets decorated with azobenzene ligands. Dalton Trans 2019; 48:16053-16061. [DOI: 10.1039/c9dt03540k] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
DyIII dimers decorated with photo-isomerizable azobenzene ligands behave as single-molecule magnets and self-organize into a supramolecular chain. Ab initio calculations, magnetic and optical properties are reported.
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Pal P, Mukherjee S, Maity D, Baitalik S. Synthesis, Photophysics, and Switchable Luminescence Properties of a New Class of Ruthenium(II)-Terpyridine Complexes Containing Photoisomerizable Styrylbenzene Units. ACS OMEGA 2018; 3:14526-14537. [PMID: 31458137 PMCID: PMC6645016 DOI: 10.1021/acsomega.8b01927] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Accepted: 10/19/2018] [Indexed: 06/10/2023]
Abstract
We report here the synthesis and structural characterization of a new class of homoleptic terpyridine complexes of Ru(II) containing styrylbenzene moieties to improve room-temperature luminescence properties. Solid-state structure determination of 2 was done through single-crystal X-ray diffraction. Tuning of photophysical properties was done by incorporating both electron-donating and electron-withdrawing substituents in the ligand. The complexes exhibit strong emission having lifetimes in the range of 10.0-158.5 ns, dependent on the substituent and the solvent. Good correlations were also observed between Hammett σp parameters with the lifetimes of the complexes. Styrylbenzene moieties in the complexes induce trans-trans to trans-cis isomerization accompanied by huge alteration of their spectral profiles upon treating with UV light. Reversal of trans-cis to trans-trans forms was also achieved on interacting with visible light. Change from trans-trans to the corresponding trans-cis form leads to emission quenching, whereas trans-cis to the corresponding trans-trans form leads to restoration of emission. In essence, "on-off" and "off-on" photoswitching of luminescence was observed. Calculations involving density functional theory (DFT) and time-dependent-DFT methods were performed to understand the electronic structures as well as for appropriate assignment of the absorption and emission bands.
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Affiliation(s)
- Poulami Pal
- Department
of Chemistry, Inorganic Chemistry Section, Jadavpur University, Kolkata 700032, India
| | - Shruti Mukherjee
- Department
of Chemistry, Inorganic Chemistry Section, Jadavpur University, Kolkata 700032, India
| | - Dinesh Maity
- Department
of Chemistry, Inorganic Chemistry Section, Jadavpur University, Kolkata 700032, India
- Department
of Chemistry, Katwa College, Purba Bardhaman, West Bengal 713130, India
| | - Sujoy Baitalik
- Department
of Chemistry, Inorganic Chemistry Section, Jadavpur University, Kolkata 700032, India
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Wang YG, Li YQ, Tang HH, Lin LR, Ma LH. Near-Infrared Photoluminescence and Reversible Trans-to-Cis Photoisomerization of Mononuclear and Binuclear Ytterbium(III) Complexes Functionalized by Azobenzene Groups. ACS OMEGA 2018; 3:5480-5490. [PMID: 31458752 PMCID: PMC6641697 DOI: 10.1021/acsomega.8b00386] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2018] [Accepted: 05/03/2018] [Indexed: 06/02/2023]
Abstract
Two mononuclear and one binuclear ytterbium complexes with dual near-infrared (NIR) photoluminescence and reversible trans-to-cis photoisomerization functions were synthesized and characterized. The central ytterbium(III) ion coordinates with two β-diketonate (4,4,4-trifluoro-1-phenylbutane-1,3-dionate (tfd)) ligands and one deprotonated azobenzene-containing tetradentate ligand [(E)-4-(phenyldiazenyl)-N,N-bis(pyridin-2-ylmethyl) benzohydrazide (HL), (E)-4-((4-(dimethylamino)phenyl)diazenyl)-N,N-bis(pyridin-2-ylmethyl)benzohydrazide (HNL), or (E)-4,4'-N',N'-bis(pyridin-2-ylmethyl)benzohydrazide azobenzene (H2DL)] to form a neutral ternary complex ([Yb(tfd)2L], [Yb(tfd)2(NL)], or [Yb2(tfd)4(DL)], respectively), where the ytterbium(III) ion is eight-coordinated to N3O5 donor sets. X-ray crystallographic analysis shows that all three complexes form a trigonal dodecahedron geometry with similar -N=N- distances that are slightly longer than those of the pure azobenzene-containing ligands. The NIR luminescence properties of the Yb(III) complexes were determined at a wavelength of about 980 nm with quantum yields in the range of 0.4-0.6% in ethanol and acetonitrile solutions at room temperature, and trans-to-cis photoisomerization was determined with the quantum yields (Φt→c = 10-2) at the same level as their pure ligands. The trans-to-cis photoisomerization rates of the complexes (10-4 s-1) are slightly higher than those of the pure ligands and similar to azobenzene (10-5 to 10-4 s-1). From time-dependent density functional theory calculations of the energy levels of the first excited triplet states of the ligands, the energies of the lowest excited triplet states of all of the ligands are higher than the resonance level of Yb3+ (2F5/2, 1.2722 eV). We suggest that these azo-containing ligands may participate in energy transfer to the ytterbium ion, in addition to the main "antenna effect" ligand tfd. This is the first report of azobenzene group-functionalized ytterbium complexes with dual NIR luminescence and photoisomerization properties, indicating that azobenzene-containing lanthanide(III) complexes have potential applications as dual function materials in biological systems.
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Affiliation(s)
- Yun-Guang Wang
- Department
of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P. R. China
| | - Yu-Qian Li
- Department
of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P. R. China
| | - Hui-Hui Tang
- Department
of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P. R. China
| | - Li-Rong Lin
- Department
of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P. R. China
| | - Li-Hua Ma
- Department
of Chemistry, College of Science and Computer Engineering, University of Houston-Clear Lake, 2700 Bay Area Blvd, Houston, Texas 77058, United States
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18
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Pal P, Mukherjee S, Maity D, Baitalik S. Synthesis, Structural Characterization, and Luminescence Switching of Diarylethene-Conjugated Ru(II)-Terpyridine Complexes by trans-cis Photoisomerization: Experimental and DFT/TD-DFT Investigation. Inorg Chem 2018; 57:5743-5753. [PMID: 29701476 DOI: 10.1021/acs.inorgchem.7b03096] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We synthesized and thoroughly characterized a new family of diarylethene-conjugated mononuclear Ru(II)-terpyridine complexes and investigated in detail their photophysical, electrochemical, and spectroelectrochemical behaviors. Interestingly, the compounds show moderately strong room-temperature luminescence predominantly from their 3MLCT state with luminescence lifetime varying between 8.43 and 22.82 ns. Because of the presence of diarylethene unit, all the monometallic complexes underwent trans-to-cis photoisomerization upon interaction with UV light with substantial changes in their absorption and luminescence spectra. Reverting back from the cis to the trans form is also made possible upon treatment with visible light or by heat. Trans-to-cis isomerization leads to almost complete quenching of luminescence, while backward cis-to-trans isomerization gives rise to restoration of the original luminescence for all the complexes. Thus, "on-off" and "off-on" emission switching was made possible upon successive interaction of the complexes with UV and visible light. Computational investigation involving density functional theory (DFT) and time-dependent DFT methods was done for proper assignment of the experimental absorption and emission spectral bands in the complexes. Finally, experimentally observed trend on the absorption and emission spectral behaviors of the complexes upon photoisomerization was also compared with the calculated results.
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Affiliation(s)
- Poulami Pal
- Department of Chemistry, Inorganic Chemistry Section , Jadavpur University , Kolkata 700032 , India
| | - Shruti Mukherjee
- Department of Chemistry, Inorganic Chemistry Section , Jadavpur University , Kolkata 700032 , India
| | - Dinesh Maity
- Department of Chemistry, Inorganic Chemistry Section , Jadavpur University , Kolkata 700032 , India
| | - Sujoy Baitalik
- Department of Chemistry, Inorganic Chemistry Section , Jadavpur University , Kolkata 700032 , India
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19
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Wang N, Hu M, Mellerup SK, Wang X, Sauriol F, Peng T, Wang S. Triaryl-Boron Functionalized Dinuclear Platinum Complexes Linked by Photoisomerizable Bpe Ligand: Luminescence and Isomerism. Inorg Chem 2017; 56:12783-12794. [DOI: 10.1021/acs.inorgchem.7b01535] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Nan Wang
- Key Laboratory of
Cluster Science, Ministry of Education of China, Beijing Key Laboratory
of Photoelectronic/Electrophotonic Conversion Materials, School of
Chemistry, Beijing Institute of Technology, Beijing 100081, People’s Republic of China
| | - Mingfeng Hu
- Key Laboratory of
Cluster Science, Ministry of Education of China, Beijing Key Laboratory
of Photoelectronic/Electrophotonic Conversion Materials, School of
Chemistry, Beijing Institute of Technology, Beijing 100081, People’s Republic of China
| | - Soren K. Mellerup
- Department
of Chemistry, Queen’s University, Kingston, Ontario K7L 3N6, Canada
| | - Xiang Wang
- Department
of Chemistry, Queen’s University, Kingston, Ontario K7L 3N6, Canada
| | - Françoise Sauriol
- Department
of Chemistry, Queen’s University, Kingston, Ontario K7L 3N6, Canada
| | - Tai Peng
- Key Laboratory of
Cluster Science, Ministry of Education of China, Beijing Key Laboratory
of Photoelectronic/Electrophotonic Conversion Materials, School of
Chemistry, Beijing Institute of Technology, Beijing 100081, People’s Republic of China
| | - Suning Wang
- Key Laboratory of
Cluster Science, Ministry of Education of China, Beijing Key Laboratory
of Photoelectronic/Electrophotonic Conversion Materials, School of
Chemistry, Beijing Institute of Technology, Beijing 100081, People’s Republic of China
- Department
of Chemistry, Queen’s University, Kingston, Ontario K7L 3N6, Canada
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20
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Jacquet M, Lafolet F, Cobo S, Loiseau F, Bakkar A, Boggio-Pasqua M, Saint-Aman E, Royal G. Efficient Photoswitch System Combining a Dimethyldihydropyrene Pyridinium Core and Ruthenium(II) Bis-Terpyridine Entities. Inorg Chem 2017; 56:4357-4368. [DOI: 10.1021/acs.inorgchem.6b02861] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Margot Jacquet
- Université Grenoble Alpes, DCM UMR
5250, F-38000 Grenoble, France
| | - Frédéric Lafolet
- Université Grenoble Alpes, DCM UMR
5250, F-38000 Grenoble, France
- Université Paris Diderot, Sorbonne Paris Cité,
ITODYS, UMR 7086 CNRS, 15 rue Jean-Antoine de Baïf, 75205 Paris Cedex 13, France
| | - Saioa Cobo
- Université Grenoble Alpes, DCM UMR
5250, F-38000 Grenoble, France
| | | | - Assil Bakkar
- Université Grenoble Alpes, DCM UMR
5250, F-38000 Grenoble, France
| | - Martial Boggio-Pasqua
- Laboratoire de Chimie et Physique Quantiques (UMR5626), CNRS et Université de Toulouse 3, Toulouse, France
| | - Eric Saint-Aman
- Université Grenoble Alpes, DCM UMR
5250, F-38000 Grenoble, France
| | - Guy Royal
- Université Grenoble Alpes, DCM UMR
5250, F-38000 Grenoble, France
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21
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Lin LR, Tang HH, Wang YG, Wang X, Fang XM, Ma LH. Functionalized Lanthanide(III) Complexes Constructed from Azobenzene Derivative and β-Diketone Ligands: Luminescent, Magnetic, and Reversible Trans-to-Cis Photoisomerization Properties. Inorg Chem 2017; 56:3889-3900. [DOI: 10.1021/acs.inorgchem.6b02819] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Li-Rong Lin
- Department of Chemistry,
College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, People’s Republic of China
| | - Hui-Hui Tang
- Department of Chemistry,
College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, People’s Republic of China
| | - Yun-Guang Wang
- Department of Chemistry,
College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, People’s Republic of China
| | - Xuan Wang
- Department of Chemistry,
College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, People’s Republic of China
| | - Xue-Ming Fang
- Department of Chemistry,
College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, People’s Republic of China
| | - Li-Hua Ma
- Department of Chemistry, College of Science and Computer
Engineering, University of Houston—Clear Lake, 2700 Bay Area Boulevard, Houston, Texas 77058, United States
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22
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Telleria A, van Leeuwen PWNM, Freixa Z. Azobenzene-based ruthenium(ii) catalysts for light-controlled hydrogen generation. Dalton Trans 2017; 46:3569-3578. [DOI: 10.1039/c7dt00542c] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Photo-controlled hydrogen generation catalysts were developed based on ruthenium(ii) azobenzene-containing half-sandwich complexes.
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Affiliation(s)
- A. Telleria
- Department of Applied Chemistry
- Faculty of Chemistry
- University of the Basque Country (UPV-EHU)
- 20080 San Sebastián
- Spain
| | | | - Z. Freixa
- Department of Applied Chemistry
- Faculty of Chemistry
- University of the Basque Country (UPV-EHU)
- 20080 San Sebastián
- Spain
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23
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Al-Balushi RA, Haque A, Jayapal M, Al-Suti MK, Husband J, Khan MS, Skelton JM, Molloy KC, Raithby PR. Impact of the Alkyne Substitution Pattern and Metalation on the Photoisomerization of Azobenzene-Based Platinum(II) Diynes and Polyynes. Inorg Chem 2016; 55:10955-10967. [DOI: 10.1021/acs.inorgchem.6b01509] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Rayya A. Al-Balushi
- Department
of Chemistry, Sultan Qaboos University, P.O. Box 36, Al Khod 123, Sultanate of Oman
| | - Ashanul Haque
- Department
of Chemistry, Sultan Qaboos University, P.O. Box 36, Al Khod 123, Sultanate of Oman
| | - Maharaja Jayapal
- Department
of Chemistry, Sultan Qaboos University, P.O. Box 36, Al Khod 123, Sultanate of Oman
| | - Mohammed K. Al-Suti
- Department
of Chemistry, Sultan Qaboos University, P.O. Box 36, Al Khod 123, Sultanate of Oman
| | - John Husband
- Department
of Chemistry, Sultan Qaboos University, P.O. Box 36, Al Khod 123, Sultanate of Oman
| | - Muhammad S. Khan
- Department
of Chemistry, Sultan Qaboos University, P.O. Box 36, Al Khod 123, Sultanate of Oman
| | - Jonathan M. Skelton
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, U.K
| | - Kieran C. Molloy
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, U.K
| | - Paul R. Raithby
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, U.K
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24
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Lin LR, Wang X, Wei GN, Tang HH, Zhang H, Ma LH. Azobenzene-derived tris-β-diketonate lanthanide complexes: reversible trans-to-cis photoisomerization in solution and solid state. Dalton Trans 2016; 45:14954-64. [PMID: 27549432 DOI: 10.1039/c6dt01310d] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Novel azobenzene-derived β-diketonates (4,4,5,5,6,6,6-heptafluoro-1-azobenzene-1,3-hexanedione (LA), 4,4,5,5,6,6,6-heptafluoro-1-(4-dimethylamino)azobenzene-1,3-hexanedione (LB)) were designed and their complexes with lanthanide cations (La(3+), Eu(3+), Gd(3+), Yb(3+)) were prepared and characterized by (1)H NMR, FT-IR, and elemental analysis. Three of the complexes were crystallized successfully and identified by X-ray diffraction. It was significant to find that LA showed remarkably reversible trans-to-cis isomerization properties, however, LB, bearing an electron donor compared with LA, slowed down the isomerization to an extent. The presence of Ln(iii) enhanced the reversible trans-to-cis isomerization properties of both LA and LB a little upon photoirradiation in organic solvents, and amazingly increased the fatigue resistance. In addition, the complexes doped in polymethyl methacrylate (PMMA) films produced a similar phenomenon as well as when in solution. Theoretical calculations based on time dependent density functional theory (TD-DFT) were performed for geometry optimization and to determine the excitation energies of LA and LB to gain further insight into the electronic structure of the complexes, and the data were consistent with the experimental results. The excellent reversible photoisomerization properties of the newly designed Ln(iii) complexes can offer important advantages that will help with the further study of these materials to reach their full potential in applications such as molecular switching devices.
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Affiliation(s)
- Li-Rong Lin
- Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, P. R. China.
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25
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Bakkar A, Cobo S, Lafolet F, Roldan D, Jacquet M, Bucher C, Royal G, Saint-Aman E. Dimethyldihydropyrene–cyclophanediene photochromic couple functionalized with terpyridyl metal complexes as multi-addressable redox- and photo-switches. Dalton Trans 2016; 45:13700-8. [DOI: 10.1039/c6dt00843g] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
A series of dimethyldihydropyrene-appended metal complexes has been synthesized and thoroughly characterized using electrochemical and spectroscopic methods.
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Affiliation(s)
- Assil Bakkar
- Univ. Grenoble Alpes
- DCM UMR 5250
- F-38000 Grenoble
- France
- CNRS
| | - Saioa Cobo
- Univ. Grenoble Alpes
- DCM UMR 5250
- F-38000 Grenoble
- France
- CNRS
| | | | - Diego Roldan
- Univ. Grenoble Alpes
- DCM UMR 5250
- F-38000 Grenoble
- France
| | - Margot Jacquet
- Univ. Grenoble Alpes
- DCM UMR 5250
- F-38000 Grenoble
- France
- CNRS
| | - Christophe Bucher
- Laboratoire de Chimie (UMR5182)
- École Normale Supérieure de Lyon/CNRS Université de Lyon 1
- Lyon
- France
| | - Guy Royal
- Univ. Grenoble Alpes
- DCM UMR 5250
- F-38000 Grenoble
- France
- CNRS
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26
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Yin TT, Zhao ZX, Zhang HX. Theoretical study of the cis–trans isomerization mechanism of a pendant metal-bound azobenzene. RSC Adv 2016. [DOI: 10.1039/c6ra10880f] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Theoretical study of the cis–trans isomerization mechanism of azobenzene substituents in rhenium complexes.
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Affiliation(s)
- Ting-Ting Yin
- International Joint Research Laboratory of Nano-Micro Architecture Chemistry
- Institute of Theoretical Chemistry
- Jilin University
- 130023 Changchun
- China
| | - Zeng-Xia Zhao
- International Joint Research Laboratory of Nano-Micro Architecture Chemistry
- Institute of Theoretical Chemistry
- Jilin University
- 130023 Changchun
- China
| | - Hong-Xing Zhang
- International Joint Research Laboratory of Nano-Micro Architecture Chemistry
- Institute of Theoretical Chemistry
- Jilin University
- 130023 Changchun
- China
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27
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Pérez-Miqueo J, Altube A, García-Lecina E, Tron A, McClenaghan ND, Freixa Z. Photoswitchable azobenzene-appended iridium(iii) complexes. Dalton Trans 2016; 45:13726-41. [DOI: 10.1039/c6dt01817c] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The use of aliphatic-bridging units to append azobenzene fragments on triscyclometalated Ir(iii) complexes permits the construction of photoswitchable organometallics.
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Affiliation(s)
- J. Pérez-Miqueo
- Department of Applied Chemistry
- Faculty of Chemistry
- University of the Basque Country (UPV-EHU)
- 20080 San Sebastián
- Spain
| | - A. Altube
- Surfaces Division
- IK4-CIDETEC
- San Sebastián
- Spain
| | | | - A. Tron
- Institut des Sciences Moléculaires
- CNRS UMR 5255
- University of Bordeaux
- 33405 Talence
- France
| | - N. D. McClenaghan
- Institut des Sciences Moléculaires
- CNRS UMR 5255
- University of Bordeaux
- 33405 Talence
- France
| | - Z. Freixa
- Department of Applied Chemistry
- Faculty of Chemistry
- University of the Basque Country (UPV-EHU)
- 20080 San Sebastián
- Spain
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28
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Telleria A, Pérez-Miqueo J, Altube A, García-Lecina E, de Cózar A, Freixa Z. Azobenzene-Appended Bis-Cyclometalated Iridium(III) Bipyridyl Complexes. Organometallics 2015. [DOI: 10.1021/acs.organomet.5b00838] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | | | - Ainhoa Altube
- Surfaces Division, IK4-CIDETEC, 20009, San Sebastián, Spain
| | | | - Abel de Cózar
- IKERBASQUE, Basque Foundation for Science, 48013, Bilbao, Spain
| | - Zoraida Freixa
- IKERBASQUE, Basque Foundation for Science, 48013, Bilbao, Spain
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29
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Ayadi A, Branzea DG, Benmensour MA, Boucekkine A, Zouari N, El-Ghayoury A. Azo-based iminopyridine ligands: synthesis, optical properties, theoretical calculations and complexation studies. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.08.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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30
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Hasheminasab A, Wang L, Dawadi MB, Bass J, Herrick RS, Rack JJ, Ziegler CJ. Induction of E/Z isomerization in a pendant metal-bound azobenzene: a synthetic, spectroscopic and theoretical study. Dalton Trans 2015; 44:15400-3. [PMID: 26252161 DOI: 10.1039/c5dt02480c] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Re(CO)3 conjugates 1 and 2 that incorporate azobenzenes can be readily generated via one-pot reactions using Schiff base reaction forming conditions. Excitation of the MLCT bands in 1 and 2 results in isomerization of the azobenzene moiety, and this process has been investigated via time-resolved photophysics and TDDFT calculations.
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Affiliation(s)
- A Hasheminasab
- Knight Chemical Laboratory, Department of Chemistry, Akron, OH 44203, USA.
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31
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Amar A, Savel P, Akdas-Kilig H, Katan C, Meghezzi H, Boucekkine A, Malval JP, Fillaut JL. Photoisomerisation in Aminoazobenzene-Substituted Ruthenium(II) Tris(bipyridine) Complexes: Influence of the Conjugation Pathway. Chemistry 2015; 21:8262-70. [DOI: 10.1002/chem.201406002] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2014] [Revised: 02/05/2015] [Indexed: 11/11/2022]
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32
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Yan JF, Lin DQ, Wang XG, Wu KQ, Xie LL, Yuan YF. Ferrocenylethynyl-Terminated Azobenzenes: Synthesis, Electrochemical, and Photoisomerization Studies. Chem Asian J 2015; 10:614-21. [DOI: 10.1002/asia.201403327] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2014] [Indexed: 11/08/2022]
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33
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Pérez-Miqueo J, Telleria A, Muñoz-Olasagasti M, Altube A, García-Lecina E, de Cózar A, Freixa Z. Azobenzene-functionalized iridium(iii) triscyclometalated complexes. Dalton Trans 2015; 44:2075-91. [DOI: 10.1039/c4dt02018a] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Photochromic triscyclometalated iridium(iii) organometallic complexes based on azobenzene-containing phenylpyridyl-type ligands.
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Affiliation(s)
- J. Pérez-Miqueo
- Department of Applied Chemistry
- Faculty of Chemistry
- University of the Basque Country (UPV-EHU)
- San Sebastián
- Spain
| | - A. Telleria
- Department of Applied Chemistry
- Faculty of Chemistry
- University of the Basque Country (UPV-EHU)
- San Sebastián
- Spain
| | - M. Muñoz-Olasagasti
- Department of Applied Chemistry
- Faculty of Chemistry
- University of the Basque Country (UPV-EHU)
- San Sebastián
- Spain
| | - A. Altube
- Surfaces Division
- IK4-CIDETEC
- San Sebastián
- Spain
| | | | - A. de Cózar
- Department of Organic Chemistry II
- Faculty of Chemistry
- University of the Basque Country (UPV-EHU)
- San Sebastián
- Spain
| | - Z. Freixa
- Department of Applied Chemistry
- Faculty of Chemistry
- University of the Basque Country (UPV-EHU)
- San Sebastián
- Spain
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34
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35
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Wang J, He J, Zhi C, Luo B, Li X, Pan Y, Cao X, Gu H. Highly efficient synthesis of azos catalyzed by the common metal copper (0) through oxidative coupling reactions. RSC Adv 2014. [DOI: 10.1039/c4ra00749b] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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36
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Amaravathi M, Kanakaraju S, Chandramouli GVP. Synthesis and Characterization of Azobenzene-Porphyrins. J Heterocycl Chem 2013. [DOI: 10.1002/jhet.1004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- M. Amaravathi
- Department of Chemistry; National Institute of Technology; Warangal; 506004; India
| | - S. Kanakaraju
- Department of Chemistry; National Institute of Technology; Warangal; 506004; India
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37
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Wang J, Hu L, Cao X, Lu J, Li X, Gu H. Catalysis by Pd nanoclusters generated in situ of high-efficiency synthesis of aromatic azo compounds from nitroaromatics under H2 atmosphere. RSC Adv 2013. [DOI: 10.1039/c3ra23004j] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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38
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Abd-el-aziz* AS, Strohm EA. Recent Developments in Metal-Containing Complexes with Azo Chromophore Functionalities. MOLECULAR DESIGN AND APPLICATIONS OF PHOTOFUNCTIONAL POLYMERS AND MATERIALS 2012:317-350. [DOI: 10.1039/9781849735759-00317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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39
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Saha G, Sarkar KK, Sardar D, Cheng J, Lu TH, Sinha C. Structure, electrochemistry and photochromism of [Cu(RaaiR′)(PPh3)X] (RaaiR′=1-alkyl-2-(arylazo)imidazole; X=Cl, Br, I) and correlation with theoretical calculations. Polyhedron 2012. [DOI: 10.1016/j.poly.2012.07.039] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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40
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Park HJ, Chung YK. Ru(ii) complexes with N-heterocyclic carbene ligands or terpyridine analogues: synthesis, characterization, and electrochemical and proton-dependent spectrometric properties. Dalton Trans 2012; 41:5678-86. [DOI: 10.1039/c2dt12283a] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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41
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Vilà N, Royal G, Loiseau F, Deronzier A. Photochromic and Redox Properties of Bisterpyridine Ruthenium Complexes Based on Dimethyldihydropyrene Units as Bridging Ligands. Inorg Chem 2011; 50:10581-91. [DOI: 10.1021/ic2003904] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Neus Vilà
- Département de Chimie Moléculaire, UMR CNRS-5250, Institut de Chimie Moléculaire de Grenoble, Université Joseph Fourier Grenoble I, FR CNRS-2607, BP 53, 38041 Grenoble Cedex 9, France
| | - Guy Royal
- Département de Chimie Moléculaire, UMR CNRS-5250, Institut de Chimie Moléculaire de Grenoble, Université Joseph Fourier Grenoble I, FR CNRS-2607, BP 53, 38041 Grenoble Cedex 9, France
| | - Frédérique Loiseau
- Département de Chimie Moléculaire, UMR CNRS-5250, Institut de Chimie Moléculaire de Grenoble, Université Joseph Fourier Grenoble I, FR CNRS-2607, BP 53, 38041 Grenoble Cedex 9, France
| | - Alain Deronzier
- Département de Chimie Moléculaire, UMR CNRS-5250, Institut de Chimie Moléculaire de Grenoble, Université Joseph Fourier Grenoble I, FR CNRS-2607, BP 53, 38041 Grenoble Cedex 9, France
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42
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Zhao R, Tan C, Xie Y, Gao C, Liu H, Jiang Y. One step synthesis of azo compounds from nitroaromatics and anilines. Tetrahedron Lett 2011. [DOI: 10.1016/j.tetlet.2011.05.054] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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43
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Synthesis, structure, photochromism and DFT calculations of copper(I)-triphenylphosphine halide complexes of thioalkylazoimidazoles. Polyhedron 2011. [DOI: 10.1016/j.poly.2010.11.036] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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44
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Henrich JD, Zhang H, Dutta PK, Kohler B. Ultrafast Electron Transfer Dynamics in Ruthenium Polypyridyl Complexes with a π-Conjugated Ligand. J Phys Chem B 2010; 114:14679-88. [DOI: 10.1021/jp102776r] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Joseph D. Henrich
- Department of Chemistry, The Ohio State University, 120 West 18th Avenue, Columbus, Ohio 43210, and Department of Chemistry and Biochemistry, Montana State University, P.O. Box 173400, Bozeman, Montana 59717
| | - Haoyu Zhang
- Department of Chemistry, The Ohio State University, 120 West 18th Avenue, Columbus, Ohio 43210, and Department of Chemistry and Biochemistry, Montana State University, P.O. Box 173400, Bozeman, Montana 59717
| | - Prabir K. Dutta
- Department of Chemistry, The Ohio State University, 120 West 18th Avenue, Columbus, Ohio 43210, and Department of Chemistry and Biochemistry, Montana State University, P.O. Box 173400, Bozeman, Montana 59717
| | - Bern Kohler
- Department of Chemistry, The Ohio State University, 120 West 18th Avenue, Columbus, Ohio 43210, and Department of Chemistry and Biochemistry, Montana State University, P.O. Box 173400, Bozeman, Montana 59717
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45
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Mondal T, Raghavaiah P, Patra A, Sinha C. Ru(II)–CO complexes of thioarylazoimidazoles: Syntheses, structures, spectroscopy and DFT calculation. INORG CHEM COMMUN 2010. [DOI: 10.1016/j.inoche.2009.12.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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46
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Liu S, Wang J, Li J, Chen M, Yang S. Property and application of novel ferrocenyl–azobenzene labeled peptide nucleic acid monomers with the dual stimulus–response characteristics. Inorganica Chim Acta 2009. [DOI: 10.1016/j.ica.2009.06.030] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Theilmann O, Saak W, Haase D, Beckhaus R. Reactions of Low-Valent Titanocene(II) Fragments with trans-4,4′-Azobispyridine (RN═NR, R = C5H4N): Formation of Tetranuclear Molecular Squares by trans−cis Isomerization. Organometallics 2009. [DOI: 10.1021/om801123k] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Oliver Theilmann
- Institute of Pure and Applied Chemistry, Carl von Ossietzky University Oldenburg, 26111 Oldenburg, Germany
| | - Wolfgang Saak
- Institute of Pure and Applied Chemistry, Carl von Ossietzky University Oldenburg, 26111 Oldenburg, Germany
| | - Detlev Haase
- Institute of Pure and Applied Chemistry, Carl von Ossietzky University Oldenburg, 26111 Oldenburg, Germany
| | - Rüdiger Beckhaus
- Institute of Pure and Applied Chemistry, Carl von Ossietzky University Oldenburg, 26111 Oldenburg, Germany
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Gupta G, Yap GP, Therrien B, Mohan Rao K. Study of novel η5-cyclopentadienyl and η6-arene platinum group metal complexes containing a N4-type ligand and their structural characterization. Polyhedron 2009. [DOI: 10.1016/j.poly.2008.12.050] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Qiu D, Cheng Y, Wang L. Oligoaniline-Functionalized terpyridine ligands and their ruthenium(II) complexes: synthesis, spectroscopic property and redox behavior. Dalton Trans 2009:3247-61. [DOI: 10.1039/b820392j] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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