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Pavankumar BB, Ranjan P, Jha PC, Sivaramakrishna A. New Oxoquinoline‐Imidazole Based Fluorescence Signaling Switches for the Determination of Zn
2+
/F
−
(OFF‐ON), and Fe
3+
/Picric Acid (ON‐OFF): Applications in Anticancer Activity. ChemistrySelect 2022. [DOI: 10.1002/slct.202201875] [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]
Affiliation(s)
- B. B. Pavankumar
- Department of Chemistry, School of Advanced Sciences Vellore Institute of Technology (VIT) Vellore 632 014, Tamil Nadu India
| | - Prabodh Ranjan
- School of Applied Material Sciences Central University of Gujarat, Sector-30, Gandhinagar Gujarat India
- Department of Chemical Engineering Indian Institute of Technology Madras Chennai India
| | - Prakash C. Jha
- School of Applied Material Sciences Central University of Gujarat, Sector-30, Gandhinagar Gujarat India
| | - Akella Sivaramakrishna
- Department of Chemistry, School of Advanced Sciences Vellore Institute of Technology (VIT) Vellore 632 014, Tamil Nadu India
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2
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Zurnacı M, Şener İ, Gür M, Şener N. Study on Photophysical Properties of Novel Fluorescent Phenanthroimidazole-Thiadiazole Hybrid Derivatives. J Fluoresc 2022; 32:1155-1169. [PMID: 35325349 DOI: 10.1007/s10895-022-02916-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 02/25/2022] [Indexed: 11/30/2022]
Abstract
Phenanthroimidazole-thiadiazole hybrid derivatives, which are new heterocyclic compounds with fluorescence properties, were synthesized by designing a two-step reaction mechanism and their photophysical properties were investigated. The synthesized derivatives were purified and their structures were elucidated by ATR-IR, 1H-NMR, elemental analysis and HR-MS methods. In the next stage of the study, the absorption and emission spectra of the synthesized new phenanthroimidazole-thiadiazole hybrid derivatives were determined by UV-Vis and fluorescence spectroscopy. Stokes' shifts, molar extinction coefficients (ε), singlet energy levels (Es), quantum yield (ϕf), lifetimes (τ), the radiative (kr) and the nonradiative (knr) constant for new hybrid derivatives were measured in DMSO. In addition, aggregation measurements, which is an important parameter that changes the photophysical properties were performed and for these compounds, structure: photophysical properties were discussed.
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Affiliation(s)
- Merve Zurnacı
- Central Research Laboratory, Kastamonu University, 37200, Kastamonu, Turkey.
| | - İzzet Şener
- Department of Food Engineering, Faculty of Engineering and Architecture, Kastamonu University, 37200, Kastamonu, Turkey
| | - Mahmut Gür
- Department of Forest Industrial Engineering, Faculty of Forestry, Kastamonu University, 37200, Kastamonu, Turkey
| | - Nesrin Şener
- Department of Chemistry, Faculty of Art and Science, Kastamonu University, 37200, Kastamonu, Turkey
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3
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Yang DP, Zhang QL, Song XY, Cheng SB. Modulating mechanism of N H-based excited-state intramolecular proton transfer by electron-withdrawing substituent at aromatic para-position. Chem Phys Lett 2019. [DOI: 10.1016/j.cplett.2019.05.039] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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4
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Yang D, Zhang Q, Song X, Zhang T. Investigation of the intramolecular hydrogen bonding interactions and excited state proton transfer mechanism for both Br-BTN and CN-BTN systems. RSC Adv 2019; 9:23004-23011. [PMID: 35514474 PMCID: PMC9067100 DOI: 10.1039/c9ra04258j] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Accepted: 07/21/2019] [Indexed: 12/14/2022] Open
Abstract
In the present work, two novel Br-BTN and CN-BTN compounds have been investigated theoretically. We in-depth explore the excited state hydrogen bonding interactions and the excited state intramolecular proton transfer (ESIPT) behaviors for the Br-BTN and CN-BTN system. We firstly verify the formation of hydrogen bond effects of O–H⋯N based on reduced density gradient (RDG) versus sign(λ2)ρ. The simulated primary bond lengths and bond angles as well as infrared (IR) vibrational spectra reveal that the hydrogen bond O–H⋯N should be strengthened in the excited state. Combining the frontier molecular orbital (MO) investigations, we infer that the charge transfer phenomenon (from HOMO to LUMO) around hydrogen bonding moieties reveals the tendency of ESIPT reaction. Particularly, the increased electronic densities around proton acceptor atoms facilitate attracting a hydrogen proton, which plays a decisive role in opening the ESIPT reaction. Via constructing potential energy curves in both S0 and S1 states, the ultrafast ESIPT process can be verified which explains previous experimental characteristics. Furthermore, via searching the transition state (TS) structure and constructing the intrinsic reaction coordinate (IRC) reaction path, we check and confirm the ESIPT mechanism for both Br-BTN and CN-BTN systems. We sincerely hope that our theoretical work could guide novel applications based on Br-BTN and CN-BTN compounds in future. In the present work, two novel Br-BTN and CN-BTN compounds have been investigated theoretically.![]()
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Affiliation(s)
- Dapeng Yang
- College of Physics and Electronics, North China University of Water Resources and Electric Power Zhengzhou 450046 P. R. China .,State Key Laboratory of Molecular Reaction Dynamics, Theoretical and Computational Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences Dalian 116023 P. R. China
| | - Qiaoli Zhang
- College of Physics and Electronics, North China University of Water Resources and Electric Power Zhengzhou 450046 P. R. China
| | - Xiaoyan Song
- College of Physics and Electronics, North China University of Water Resources and Electric Power Zhengzhou 450046 P. R. China
| | - Tianjie Zhang
- College of Physics and Electronics, North China University of Water Resources and Electric Power Zhengzhou 450046 P. R. China
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5
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Newsome WJ, Ayad S, Cordova J, Reinheimer EW, Campiglia AD, Harper JK, Hanson K, Uribe-Romo FJ. Solid State Multicolor Emission in Substitutional Solid Solutions of Metal–Organic Frameworks. J Am Chem Soc 2019; 141:11298-11303. [DOI: 10.1021/jacs.9b05191] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Wesley J. Newsome
- Department of Chemistry, University of Central Florida, 4111 Libra Drive, Room 251 PSB, Orlando, Florida 32816-2366, United States
| | - Suliman Ayad
- Department of Chemistry & Biochemistry, Florida State University, 95 Chieftan Way, Tallahassee, Florida 32306-4390, United States
| | - Jesus Cordova
- Department of Chemistry, University of Central Florida, 4111 Libra Drive, Room 251 PSB, Orlando, Florida 32816-2366, United States
| | - Eric W. Reinheimer
- Rigaku Americas Corporation, 9009 New Trails Drive, The Woodlands, Texas 77381, United States
| | - Andres D. Campiglia
- Department of Chemistry, University of Central Florida, 4111 Libra Drive, Room 251 PSB, Orlando, Florida 32816-2366, United States
| | - James K. Harper
- Department of Chemistry, University of Central Florida, 4111 Libra Drive, Room 251 PSB, Orlando, Florida 32816-2366, United States
| | - Kenneth Hanson
- Department of Chemistry & Biochemistry, Florida State University, 95 Chieftan Way, Tallahassee, Florida 32306-4390, United States
| | - Fernando J. Uribe-Romo
- Department of Chemistry, University of Central Florida, 4111 Libra Drive, Room 251 PSB, Orlando, Florida 32816-2366, United States
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6
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Yang D, Zhang T, Jia M, Cheng S. Modulating N H-based excited-state intramolecular proton transfer by different electron-donating/withdrawing substituents in 2-(2′-aminophenyl)benzothiazole compounds. Chem Phys Lett 2019. [DOI: 10.1016/j.cplett.2019.03.050] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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7
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Roohi H, Alizadeh P. Fine-tuned dual fluorescence behavior of N-substituted aniline-imidazopyridine based switches: Mechanistic understanding, substituent and solvent effects. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 214:407-428. [PMID: 30802798 DOI: 10.1016/j.saa.2019.02.075] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 12/24/2018] [Accepted: 02/17/2019] [Indexed: 06/09/2023]
Abstract
In order to understand the fine-tuned photo-physical behaviors of the N(X)-H⋯N systems, the excited state intramolecular proton transfer (ESIPT) switching in the N-substituted X1-5-NHIPA molecules (NHIPA = 2-(imidazo[1,2-a]pyridin-2-yl)aniline and X = H, COCH3, CH3C6H4SO2, C6F5SO2, and COCF3) were investigated in detail in gas phase and three solvent media at TD-PBE0/6-311++G(d,p) and TD-M06-2X/6-311++G(d,p) levels of theory. ESIPT reactions at S1 state were approximately without energy barrier, exergonic processes and were quantitatively demonstrated to be mainly sensitive to substituents and solvent media. The X-NHIPA (X = CH3C6H4SO2, C6F5SO2 and CF3CO) compounds were predicted to undergo fast, irreversible proton transfer at S1 state and, in turn, exhibit tautomer emission with anomalous large Stokes shift in the gas phase. In the toluene solvent, except for C6F5SO2-NHIPA that showed exclusively a tautomer emission with a long wavelength, all other X-NHIPA molecules were predicted to involve in the reversible ESIPT and hence exhibit a dual normal and tautomer emissions behavior, in good agreement with the experimental observations. In polar solvents, it is expected that all compounds show dual normal and tautomer emissions. The nearly equal intensities of the normal and tautomer emissions can lead to the generation of the white lights with the potential in lighting applications.
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Affiliation(s)
- Hossein Roohi
- Computational Quantum Chemistry Laboratory, Department of Chemistry, Faculty of Science, University of Guilan, Rasht, Iran.
| | - Parvaneh Alizadeh
- Computational Quantum Chemistry Laboratory, Department of Chemistry, Faculty of Science, University of Guilan, Rasht, Iran
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8
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Singh I, Rani R, Luxami V, Paul K. Synthesis of 5-(4-(1H-phenanthro[9,10-d]imidazol-2-yl)benzylidene)thiazolidine-2,4-dione as promising DNA and serum albumin-binding agents and evaluation of antitumor activity. Eur J Med Chem 2019; 166:267-280. [PMID: 30721822 DOI: 10.1016/j.ejmech.2019.01.053] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 01/19/2019] [Accepted: 01/21/2019] [Indexed: 10/27/2022]
Abstract
A series of phenanthro[9,10-d]imidazole/oxazole and acenaphtho[1,2-d]imidazole with different aryl groups at C2-position has been synthesized. These compounds were in vitro evaluated for antitumor activity against a panel of 60 human cancer cell lines. Compound 8 exhibits higher cytotoxicity towards leukemia, colon, melanoma, renal, and breast cancer cell lines than the other evaluated cell panels and low toxicity against normal cell line Hek293. The binding properties of compound 8 with DNA have been investigated with absorption, emission and circular dichroism as well as thermal denaturation experiments which indicate intercalation with base pairs of human and calf thymus DNA. The molecular docking and site-selective binding studies also reveal the predominant intercalation of compound 8 in base pairs of DNA. The interaction between thiazolidine based phenanthrene 8 and serum albumins (HSA and BSA), transport proteins, has also been explored which shows quenching of fluorescence through static mechanism. The thermodynamic parameters, obtained from van't Hoff relationship indicate the prevalence of hydrogen-bonding/hydrophobic interactions for the binding phenomenon.
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Affiliation(s)
- Iqubal Singh
- School of Chemistry and Biochemistry, Thapar Institute of Engineering & Technology, Patiala 147 001, India
| | - Richa Rani
- School of Chemistry and Biochemistry, Thapar Institute of Engineering & Technology, Patiala 147 001, India
| | - Vijay Luxami
- School of Chemistry and Biochemistry, Thapar Institute of Engineering & Technology, Patiala 147 001, India
| | - Kamaldeep Paul
- School of Chemistry and Biochemistry, Thapar Institute of Engineering & Technology, Patiala 147 001, India.
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9
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Gomez E, Alarcos N, Monterde C, Sánchez F, Moreno M, Douhal A. Experimental and theoretical insights into the influence of electronic density on proton-transfer reactions. Phys Chem Chem Phys 2018; 20:27149-27161. [PMID: 30334550 DOI: 10.1039/c8cp03185a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report on the excited-state behavior of proton-transfer phenanthroimidazole derivatives, such as HPPI and NMHPPI, in solutions using steady-state and femto- to nanosecond time-resolved fluorescence spectroscopies. Experimental observations are supported by theoretical calculations (TDDFT). In dichloromethane (DCM) and acetonitrile (ACN), two different paths are found for the excited-state intramolecular proton-transfer (ESIPT) reactions following two different channels. A fast and direct channel (ESIPT1) in 1-2.5 ps and a slower one (ESIPT2) in 12-15 ps, the latter being more influenced by the solvent viscosity (30 ps for HPPI and 20 ps for NMHPPI in triacetin (TAC) solutions). The slowing down of the ESIPT2 reaction is explained in terms of an intramolecular charge transfer (ICT) reaction coupled to a twisting motion to reach a more suitable conformation of the involved parts in the proton-transfer motion. The absence of OH/OD exchange effects in the ultrafast and slow proton-transfer dynamics suggests that the ESIPT reactions, which involve intramolecular and solvent coordinates, do not occur via tunneling. These results reveal new insights into the photobehavior of proton-transfer dyes, which might help in designing photosensors or lighting devices.
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Affiliation(s)
- Eduardo Gomez
- Departamento de Química Física, Facultad de Ciencias Ambientales y Bioquímica, and INAMOL, Universidad de Castilla-La Mancha, Avenida Carlos III, S.N., 45071 Toledo, Spain.
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10
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11
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Yuan H, Feng S, Wen K, Guo X, Zhang J. The excited-state intramolecular proton transfer in NH-type dye molecules with a seven-membered-ring intramolecular hydrogen bond: A theoretical insight. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 191:421-426. [PMID: 29069638 DOI: 10.1016/j.saa.2017.10.048] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 10/09/2017] [Accepted: 10/15/2017] [Indexed: 06/07/2023]
Abstract
Excited-state intramolecular proton transfer (ESIPT) reactions of a series of N(R)H⋯N-type seven-membered-ring hydrogen-bonding compounds were explored by employing density functional theory/time-dependent density functional theory calculations with the PBE0 functional. Our results indicate that the absorption and emission spectra predicted theoretically match very well the experimental findings. Additionally, as the electron-withdrawing strength of R increases, the intramolecular H-bond of the NS1 form gradually enhances, and the forward energy barrier along the ESIPT reaction gradually decreases. For compound 4, its ESIPT reaction is found to be a barrierless process due to the involvement of a strong electron-withdrawing COCF3 group. It is therefore a reasonable presumption that the ESIPT efficiency of these N(R)H⋯N-type seven-membered-ring H-bonding systems can be improved when a strong electron-withdrawing group in R is introduced.
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Affiliation(s)
- Huijuan Yuan
- College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, PR China
| | - Songyan Feng
- College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, PR China
| | - Keke Wen
- College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, PR China
| | - Xugeng Guo
- College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, PR China.
| | - Jinglai Zhang
- College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, PR China.
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12
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Xu D, Tang L, Tian M, He P, Yan X. A benzothizole-based fluorescent probe for Hg 2+ recognition utilizing ESIPT coupled AIE characteristics. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.08.016] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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13
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Raouafi S, Aloui F, Raouafi A, Hassine BB. Synthesis and characterization of phenanthrene derivatives for optoelectronic applications. CR CHIM 2017. [DOI: 10.1016/j.crci.2017.03.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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14
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Mukundam V, Dhanunjayarao K, Samal S, Venkatasubbaiah K. Variation ofparaSubstituent on 2-Phenol of Tetraaryl-Substituted Imidazole-Boron Difluoride Complexes: Synthesis, Characterization, and Photophysical Properties. ASIAN J ORG CHEM 2017. [DOI: 10.1002/ajoc.201700234] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Vanga Mukundam
- School of Chemical Sciences; National Institute of Science Education and Research (NISER), HBNI; Bhubaneswar- 752050 Orissa India
| | - Kunchala Dhanunjayarao
- School of Chemical Sciences; National Institute of Science Education and Research (NISER), HBNI; Bhubaneswar- 752050 Orissa India
| | - Sanket Samal
- School of Chemical Sciences; National Institute of Science Education and Research (NISER), HBNI; Bhubaneswar- 752050 Orissa India
| | - Krishnan Venkatasubbaiah
- School of Chemical Sciences; National Institute of Science Education and Research (NISER), HBNI; Bhubaneswar- 752050 Orissa India
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15
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An B, Yuan H, Zhu Q, Li Y, Guo X, Zhang J. Theoretical insight into the excited-state intramolecular proton transfer mechanisms of three amino-type hydrogen-bonding molecules. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2017; 175:36-42. [PMID: 28012390 DOI: 10.1016/j.saa.2016.12.020] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2016] [Revised: 12/12/2016] [Accepted: 12/14/2016] [Indexed: 06/06/2023]
Abstract
Excited-state intramolecular proton transfer (ESIPT) dynamics of the amino-type hydrogen-bonding compound 2-(2'-aminophenyl)benzothiazole (PBT-NH2) as well as its two derivatives 2-(5'-cyano-2'-aminophenyl)benzothiazole (CN-PBT-NH2) and 2-(5'-cyano-2'-tosylaminophenyl)benzothiazole (CN-PBT-NHTs) were studied by the time-dependent density functional theory (TD-DFT) approach with the B3LYP density functional, and their absorption and emission spectra were also explored at the same level of theory. A good agreement is observed between the theoretical simulations and experimental spectra, indicating that the present calculations are reasonably reliable. In addition, it is also found that the energy barriers of the first excited singlet state of the three targeted molecules along the ESIPT reaction are computed to be 0.38, 0.34 and 0.12eV, respectively, showing the trend of gradual decrease, which implies that the introduction of the electron-withdrawing cyano or tosyl group can facilitate the occurrence of the ESIPT reaction of these amino-type H-bonding systems. Following the ESIPT, both CN-PBT-NH2 and CN-PBT-NHTs dye molecules can undergo the cis-trans isomerization reactions in the ground-state and excited-state potential energy curves along the C2-C3 bond between benzothiazole and phenyl moieties, where the energy barriers of the trans-tautomer→cis-tautomer isomerizations in the ground states are calculated to be 0.83 and 0.34eV, respectively. According to our calculations, it is plausible that there may exist the long-lived trans-tautomer species in the ground states of CN-PBT-NH2 and CN-PBT-NHTs.
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Affiliation(s)
- Beibei An
- Institute of Environmental and Analytical Sciences, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, People's Republic of China
| | - Huijuan Yuan
- Institute of Environmental and Analytical Sciences, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, People's Republic of China
| | - Qiuling Zhu
- Institute of Environmental and Analytical Sciences, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, People's Republic of China
| | - Yuanyuan Li
- Institute of Environmental and Analytical Sciences, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, People's Republic of China
| | - Xugeng Guo
- Institute of Environmental and Analytical Sciences, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, People's Republic of China.
| | - Jinglai Zhang
- Institute of Environmental and Analytical Sciences, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, People's Republic of China.
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16
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Photoenolization via excited state proton transfer and ion sensing studies of hydroxy imidazole derivatives. J Photochem Photobiol A Chem 2017. [DOI: 10.1016/j.jphotochem.2016.12.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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17
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Kanlayakan N, Kerdpol K, Prommin C, Salaeh R, Chansen W, Sattayanon C, Kungwan N. Effects of different proton donor and acceptor groups on excited-state intramolecular proton transfers of amino-type and hydroxy-type hydrogen-bonding molecules: theoretical insights. NEW J CHEM 2017. [DOI: 10.1039/c7nj00984d] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The effect of proton donors (NH and OH) on ESIPT was investigated using DFT and TD-DFT.
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Affiliation(s)
- Narissa Kanlayakan
- Department of Chemistry
- Faculty of Science
- Chiang Mai University
- Chiang Mai 50200
- Thailand
| | - Khanittha Kerdpol
- Department of Chemistry
- Faculty of Science
- Chiang Mai University
- Chiang Mai 50200
- Thailand
| | - Chanatkran Prommin
- Department of Chemistry
- Faculty of Science
- Chiang Mai University
- Chiang Mai 50200
- Thailand
| | - Rusrina Salaeh
- Department of Chemistry
- Faculty of Science
- Chiang Mai University
- Chiang Mai 50200
- Thailand
| | - Warinthon Chansen
- Department of Chemistry
- Faculty of Science
- Chiang Mai University
- Chiang Mai 50200
- Thailand
| | - Chanchai Sattayanon
- Department of Chemistry
- Faculty of Science
- Chiang Mai University
- Chiang Mai 50200
- Thailand
| | - Nawee Kungwan
- Department of Chemistry
- Faculty of Science
- Chiang Mai University
- Chiang Mai 50200
- Thailand
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18
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Khattab M, Wang F, Clayton AHA. Micro-solvation of tyrosine-kinase inhibitor AG1478 explored with fluorescence spectroscopy and computational chemistry. RSC Adv 2017. [DOI: 10.1039/c7ra04435f] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Fluorescence quenching of the anticancer AG1478, by at least three explicit water molecules, can be exploited to probe drug–protein binding interactions.
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Affiliation(s)
- Muhammad Khattab
- Centre for Micro-Photonics
- Faculty of Science, Engineering and Technology
- Swinburne University of Technology
- Melbourne
- Australia
| | - Feng Wang
- Molecular Model Discovery Laboratory
- Department of Chemistry and Biotechnology
- School of Science
- Faculty of Science, Engineering and Technology
- Swinburne University of Technology
| | - Andrew H. A. Clayton
- Centre for Micro-Photonics
- Faculty of Science, Engineering and Technology
- Swinburne University of Technology
- Melbourne
- Australia
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19
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Zhu Q, An B, Yuan H, Li Y, Guo X, Zhang J. Computational studies on amino-type excited-state intramolecular proton transfer and subsequent cis–trans isomerisation reactions of three 2-(2'-aminophenyl)benzothiazole derivatives. Mol Phys 2016. [DOI: 10.1080/00268976.2016.1257829] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Qiuling Zhu
- Institute of Environmental and Analytical Sciences, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, P. R. China
| | - Beibei An
- Institute of Environmental and Analytical Sciences, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, P. R. China
| | - Huijuan Yuan
- Institute of Environmental and Analytical Sciences, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, P. R. China
| | - Yuanyuan Li
- Institute of Environmental and Analytical Sciences, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, P. R. China
| | - Xugeng Guo
- Institute of Environmental and Analytical Sciences, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, P. R. China
| | - Jinglai Zhang
- Institute of Environmental and Analytical Sciences, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, P. R. China
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20
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Stasyuk AJ, Chen YT, Chen CL, Wu PJ, Chou PT. A new class of N-H excited-state intramolecular proton transfer (ESIPT) molecules bearing localized zwitterionic tautomers. Phys Chem Chem Phys 2016; 18:24428-36. [PMID: 27537476 DOI: 10.1039/c6cp05236c] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A series of new amino (NH)-type intramolecular hydrogen-bonding (H-bonding) compounds have been strategically designed and synthesized. These molecules comprise a 2-(imidazo[1,2-a]pyridin-2-yl)aniline moiety, in which one of the amino hydrogens was replaced with substituents of different electronic properties. This, together with the versatile capability for modifying the parent moiety, makes feasible comprehensive spectroscopy and dynamics studies of excited-state intramolecular proton transfer (ESIPT) as a function of N-H acidity. Different from other (NH)-type ESIPT systems where the ESIPT rate and exergonicity increase with an increase in the N-H acidity and hence the H-bonding strength, the results reveal an irregular relationship among ESIPT dynamics, thermodynamics and H-bond strength. This discrepancy may be rationalized by the localized zwitterionic nature of 2-(imidazo[1,2-a]pyridin-2-yl)aniline in the proton-transfer tautomer form, which is different from the π-delocalized tautomer form in other (NH)-type ESIPT systems.
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Affiliation(s)
- Anton J Stasyuk
- Department of Chemistry, National Taiwan University, Taipei, 10617 Taiwan, Republic of China.
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Stasyuk AJ, Cywiński PJ, Gryko DT. Excited-state intramolecular proton transfer in 2′-(2′-hydroxyphenyl)imidazo[1,2- a ]pyridines. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C-PHOTOCHEMISTRY REVIEWS 2016. [DOI: 10.1016/j.jphotochemrev.2016.05.003] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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22
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Chen YA, Meng FY, Hsu YH, Hung CH, Chen CL, Chung KY, Tang WF, Hung WY, Chou PT. N−H-Type Excited-State Proton Transfer in Compounds Possessing a Seven-Membered-Ring Intramolecular Hydrogen Bond. Chemistry 2016; 22:14688-95. [DOI: 10.1002/chem.201602425] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2016] [Indexed: 11/12/2022]
Affiliation(s)
- Yi-An Chen
- Department of Chemistry; Center for Emerging Material and Advanced Devices; National Taiwan University; Taipei 10617 Taiwan R.O.C
| | - Fan-Yi Meng
- Department of Chemistry; Center for Emerging Material and Advanced Devices; National Taiwan University; Taipei 10617 Taiwan R.O.C
| | - Yen-Hao Hsu
- Department of Chemistry; Center for Emerging Material and Advanced Devices; National Taiwan University; Taipei 10617 Taiwan R.O.C
| | - Cheng-Hsien Hung
- Department of Chemistry; Center for Emerging Material and Advanced Devices; National Taiwan University; Taipei 10617 Taiwan R.O.C
| | - Chi-Lin Chen
- Department of Chemistry; Center for Emerging Material and Advanced Devices; National Taiwan University; Taipei 10617 Taiwan R.O.C
| | - Kun-You Chung
- Department of Chemistry; Center for Emerging Material and Advanced Devices; National Taiwan University; Taipei 10617 Taiwan R.O.C
| | - Wei-Feng Tang
- Institute of Optoelectronic Sciences; National Taiwan Ocean University; Keelung 20224 Taiwan R.O.C
| | - Wen-Yi Hung
- Institute of Optoelectronic Sciences; National Taiwan Ocean University; Keelung 20224 Taiwan R.O.C
| | - Pi-Tai Chou
- Department of Chemistry; Center for Emerging Material and Advanced Devices; National Taiwan University; Taipei 10617 Taiwan R.O.C
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23
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Comprehensive DFT and TD-DFT Studies on the Photophysical Properties of 5,6-Dichloro-1,3-Bis(2-Pyridylimino)-4,7-Dihydroxyisoindole: A New Class of ESIPT Fluorophore. J Fluoresc 2016; 26:1805-12. [PMID: 27455833 DOI: 10.1007/s10895-016-1872-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Accepted: 07/06/2016] [Indexed: 10/21/2022]
Abstract
Hanson et al. [Org. Lett., 2011] reported the absorption and emission spectrum of 5,6-dichloro-1,3-bis(2-pyridylimino)-4,7-dihydroxyisoindole but the excited-state intramolecular proton transfer (ESIPT) process was not investigated. The photo-physical behaviour of 5,6-dichloro-1,3-bis(2-pyridylimino)-4,7-dihydroxyisoindole was studied using the density functional theory (DFT) and time-dependent density functional theory (TD-DFT). The functional used was B3LYP and 6-31G(d) was the basis set for all the atoms. All the ten tautomers were studied for the absorption and emission properties. It is found that the tautomer where hydroxyl groups are syn to nitrogen of isoindoline ring is most stable and thus, responsible for the ESIPT process. The computed absorption and emission values of tautomers using TD-DFT are in good agreement with those obtained experimentally.
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24
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Padalkar VS, Seki S. Excited-state intramolecular proton-transfer (ESIPT)-inspired solid state emitters. Chem Soc Rev 2016; 45:169-202. [PMID: 26506465 DOI: 10.1039/c5cs00543d] [Citation(s) in RCA: 548] [Impact Index Per Article: 68.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Solid state emitters based on excited state intramolecular proton transfer (ESIPT) have been attracting considerable interest since the past few years in the field of optoelectronic devices because of their desirable unique photophysical properties. The photophysical properties of the solid state ESIPT fluorophores determine their possible applicability in functional materials. Less fluorescence quantum efficiencies and short fluorescence lifetime in the solid state are the shortcomings of the existing ESIPT solid state emitters. Designing of ESIPT chromophores with high fluorescence quantum efficiencies and a long fluorescence lifetime in the solid state is a challenging issue because of the unclear mechanism of the solid state emitters in the excited state. Reported design strategies, detailed photophysical properties, and their applications will help in assisting researchers to overcome existing challenges in designing novel solid state ESIPT fluorophores for promising applications. This review highlights recently developed solid state ESIPT emitters with focus on molecular design strategies and their photophysical properties, reported in the last five years.
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Affiliation(s)
- Vikas S Padalkar
- Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto, 615-8510, Japan.
| | - Shu Seki
- Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto, 615-8510, Japan.
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25
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Chen CL, Tseng HW, Chen YA, Liu JQ, Chao CM, Liu KM, Lin TC, Hung CH, Chou YL, Lin TC, Chou PT. Insight into the Amino-Type Excited-State Intramolecular Proton Transfer Cycle Using N-Tosyl Derivatives of 2-(2′-Aminophenyl)benzothiazole. J Phys Chem A 2016; 120:1020-8. [DOI: 10.1021/acs.jpca.6b00549] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Chi-Lin Chen
- Department
of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Huan-Wei Tseng
- Department
of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Yi-An Chen
- Department
of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | | | - Chi-Min Chao
- Department
of Medical Education, Chung Shan Medical University, Taichung 40201, Taiwan
| | - Kuan-Miao Liu
- Department
of Medical Education, Chung Shan Medical University, Taichung 40201, Taiwan
| | - Tzu-Chieh Lin
- Department
of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | | | | | | | - Pi-Tai Chou
- Department
of Chemistry, National Taiwan University, Taipei 10617, Taiwan
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26
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Tseng HW, Liu JQ, Chen YA, Chao CM, Liu KM, Chen CL, Lin TC, Hung CH, Chou YL, Lin TC, Wang TL, Chou PT. Harnessing Excited-State Intramolecular Proton-Transfer Reaction via a Series of Amino-Type Hydrogen-Bonding Molecules. J Phys Chem Lett 2015; 6:1477-86. [PMID: 26263155 DOI: 10.1021/acs.jpclett.5b00423] [Citation(s) in RCA: 152] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
A series of new amino (NH)-type hydrogen-bonding (H-bonding) compounds comprising 2-(2'-aminophenyl)benzothiazole and its extensive derivatives were designed and synthesized. Unlike in the hydroxyl (OH)-type H-bonding systems, one of the amino hydrogens can be replaced with electron-donating/withdrawing groups. This, together with a versatile capability for modifying the parent moiety, makes feasible the comprehensive spectroscopy and dynamics studies of amino-type excited-state intramolecular proton transfer (ESIPT), which was previously inaccessible in the hydroxyl-type ESIPT systems. Empirical correlations were observed among the hydrogen-bonding strength (the N-H bond distances and proton acidity), ESIPT kinetics, and thermodynamics, demonstrating a trend that the stronger N-H···N hydrogen bond leads to a faster ESIPT, as experimentally observed, and a more exergonic reaction thermodynamics. Accordingly, ESIPT reaction can be harnessed for the first time from a highly endergonic type (i.e., prohibition) toward equilibrium with a measurable ESIPT rate and then to the highly exergonic, ultrafast ESIPT reaction within the same series of amino-type intramolecular H-bond system.
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Affiliation(s)
- Huan-Wei Tseng
- †Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Jun-Qi Liu
- ‡School of Medical Applied Chemistry, Chung Shan Medical University, Taichung 40201, Taiwan
| | - Yi-An Chen
- †Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Chi-Min Chao
- ‡School of Medical Applied Chemistry, Chung Shan Medical University, Taichung 40201, Taiwan
- §Department of Medical Education, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
| | - Kuan-Miao Liu
- ‡School of Medical Applied Chemistry, Chung Shan Medical University, Taichung 40201, Taiwan
- §Department of Medical Education, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
| | - Chi-Lin Chen
- †Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Tzu-Chieh Lin
- †Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Cheng-Hsien Hung
- ‡School of Medical Applied Chemistry, Chung Shan Medical University, Taichung 40201, Taiwan
| | - Yen-Lin Chou
- ‡School of Medical Applied Chemistry, Chung Shan Medical University, Taichung 40201, Taiwan
| | - Ta-Chun Lin
- ‡School of Medical Applied Chemistry, Chung Shan Medical University, Taichung 40201, Taiwan
| | - Tian-Lin Wang
- †Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Pi-Tai Chou
- †Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
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27
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Mukundam V, Dhanunjayarao K, Chuang CN, Kang DY, Leung MK, Hsieh KH, Venkatasubbaiah K. Design, synthesis, photophysical and electrochemical properties of 2-(4,5-diphenyl-1-p-aryl-1H-imidazol-2-yl)phenol-based boron complexes. Dalton Trans 2015; 44:10228-36. [DOI: 10.1039/c5dt00867k] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
New hybrid organic–inorganic boron compounds using an imidazole core have been readily synthesized from commercially available simple starting materials.
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Affiliation(s)
- Vanga Mukundam
- School of Chemical Sciences
- National Institute of Science Education and Research (NISER)
- Institute of Physics Campus
- Bhubaneswar 751005
- India
| | - Kunchala Dhanunjayarao
- School of Chemical Sciences
- National Institute of Science Education and Research (NISER)
- Institute of Physics Campus
- Bhubaneswar 751005
- India
| | - Ching-Nan Chuang
- Institute of Polymer Science and Engineering
- National Taiwan University
- Taipei 106
- Taiwan
| | - Dun-Yen Kang
- Department of Chemical Engineering
- National Taiwan University
- Taipei 106
- Taiwan
| | - Man-kit Leung
- Institute of Polymer Science and Engineering
- National Taiwan University
- Taipei 106
- Taiwan
- Department of Chemistry
| | - Kuo-Huang Hsieh
- Institute of Polymer Science and Engineering
- National Taiwan University
- Taipei 106
- Taiwan
- Department of Chemical Engineering
| | - Krishnan Venkatasubbaiah
- School of Chemical Sciences
- National Institute of Science Education and Research (NISER)
- Institute of Physics Campus
- Bhubaneswar 751005
- India
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28
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Gu B, Huang L, Mi N, Yin P, Zhang Y, Tu X, Luo X, Luo S, Yao S. An ESIPT-based fluorescent probe for highly selective and ratiometric detection of mercury(ii) in solution and in cells. Analyst 2015; 140:2778-84. [DOI: 10.1039/c5an00273g] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A highly selective and sensitive ratiometric fluorescent probe for mercury(ii) has been developed. It has been demonstrated that the probe is able to detect Hg2+ level in water samples and living cell.
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Affiliation(s)
- Biao Gu
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education)
- College of Chemistry and Chemical Engineering
- Hunan Normal University
- Changsha 410081
- PR China
| | - Liyan Huang
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education)
- College of Chemistry and Chemical Engineering
- Hunan Normal University
- Changsha 410081
- PR China
| | - Naxiu Mi
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education)
- College of Chemistry and Chemical Engineering
- Hunan Normal University
- Changsha 410081
- PR China
| | - Peng Yin
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education)
- College of Chemistry and Chemical Engineering
- Hunan Normal University
- Changsha 410081
- PR China
| | - Youyu Zhang
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education)
- College of Chemistry and Chemical Engineering
- Hunan Normal University
- Changsha 410081
- PR China
| | - Xinman Tu
- Key Laboratory of Jiangxi Province for Ecological Diagnosis-Remediation and Pollution Control
- Nanchang
- PR China
| | - Xubiao Luo
- Key Laboratory of Jiangxi Province for Ecological Diagnosis-Remediation and Pollution Control
- Nanchang
- PR China
| | - Shenlian Luo
- Key Laboratory of Jiangxi Province for Ecological Diagnosis-Remediation and Pollution Control
- Nanchang
- PR China
| | - Shouzhuo Yao
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education)
- College of Chemistry and Chemical Engineering
- Hunan Normal University
- Changsha 410081
- PR China
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29
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Mei J, Hong Y, Lam JWY, Qin A, Tang Y, Tang BZ. Aggregation-induced emission: the whole is more brilliant than the parts. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2014; 26:5429-79. [PMID: 24975272 DOI: 10.1002/adma.201401356] [Citation(s) in RCA: 1820] [Impact Index Per Article: 182.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2014] [Revised: 05/25/2014] [Indexed: 05/20/2023]
Abstract
"United we stand, divided we fall."--Aesop. Aggregation-induced emission (AIE) refers to a photophysical phenomenon shown by a group of luminogenic materials that are non-emissive when they are dissolved in good solvents as molecules but become highly luminescent when they are clustered in poor solvents or solid state as aggregates. In this Review we summarize the recent progresses made in the area of AIE research. We conduct mechanistic analyses of the AIE processes, unify the restriction of intramolecular motions (RIM) as the main cause for the AIE effects, and derive RIM-based molecular engineering strategies for the design of new AIE luminogens (AIEgens). Typical examples of the newly developed AIEgens and their high-tech applications as optoelectronic materials, chemical sensors and biomedical probes are presented and discussed.
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Affiliation(s)
- Ju Mei
- Department of Chemistry, HKUST Jockey Club Institute for Advanced Study, Division of Life Science, Institute of Molecular Functional Materials and Division of Biomedical Engineering, The Hong Kong University of Science & Technology (HKUST), Clear Water Bay, Kowloon, Hong Kong, China
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30
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Ciuciu AI, Flamigni L, Skonieczny K, Gryko DT. Blue-green emitting sulphonamido-imidazole derivatives: ESIPT based excited state dynamics. Phys Chem Chem Phys 2013; 15:16907-16. [PMID: 24002612 DOI: 10.1039/c3cp52291a] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Six imidazole derivatives characterized by the presence in their molecules of a sulphonamido group and able to display excited state intramolecular proton transfer (ESIPT) have been synthesized in a straightforward manner and the dynamics of their excited states investigated in detail in solvents of different polarity and proticity: toluene (TOL), dichloromethane (DCM) and methanol (MeOH). With the exception of one compound, these ESIPT-capable molecules are highly luminescent. The major emitting species at room temperature is the ketimine (K) tautomer but the weak emission from the enamide (E) form was detected in several cases. In general, the luminescence quantum yields (φfl) of the K form range between 0.4 and 0.6 with lifetimes of several nanoseconds, with radiative rate constants kr of the order of 10(8) s(-1). The lifetime of the E form, and hence of the ESIPT process, range between τ <10 ps up to 190 ps. At 77 K, in addition to hypsochromically shifted fluorescence bands from the E and/or K tautomers, E phosphorescence emissions with lifetimes in the range of seconds (0.4-2.5 s) are also detected. The triplet excited state absorbance of these molecules was probed in DCM and MeOH and both E (between 450-520 nm) and K (at about 420 nm) forms were identified. The triplet lifetimes at room temperature in air-free solutions are in the microsecond range, whereas the reaction rates with oxygen are of the order of 10(9) M(-1) s(-1).
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Affiliation(s)
- Adina I Ciuciu
- Istituto per la Sintesi Organica e Fotoreattivita' (ISOF), CNR, Via P. Gobetti 101, 40129 Bologna, Italy.
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31
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Kwon JE, Park S, Park SY. Realizing molecular pixel system for full-color fluorescence reproduction: RGB-emitting molecular mixture free from energy transfer crosstalk. J Am Chem Soc 2013; 135:11239-46. [PMID: 23876082 DOI: 10.1021/ja404256s] [Citation(s) in RCA: 105] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A full-color molecular pixel system is realized for the first time using simple mixtures composed of RGB-emitting excited-state intramolecular proton transfer (ESIPT) dyes, each of which has delicately tailored Stokes shift and independent emission capability completely free from energy transfer crosstalk between them. It is demonstrated that the whole range of emission colors enclosed within the RGB color triangle on the CIE 1931 diagram is predictable and conveniently reproducible from the RGB molecular pixels not only in the solution but also in the polymer film. It must be noted that mixing ratios to reproduce the desired color coordinates can be precisely calculated on the basis of additive color theory according to their molecular pixel behavior.
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Affiliation(s)
- Ji Eon Kwon
- Center for Supramolecular Optoelectronic Materials and WCU Hybrid Materials Program, Department of Materials Science and Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 151-744, Korea
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32
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Benelhadj K, Massue J, Retailleau P, Ulrich G, Ziessel R. 2-(2′-Hydroxyphenyl)benzimidazole and 9,10-Phenanthroimidazole Chelates and Borate Complexes: Solution- and Solid-State Emitters. Org Lett 2013; 15:2918-21. [DOI: 10.1021/ol400849a] [Citation(s) in RCA: 110] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Karima Benelhadj
- Laboratoire de Chimie Organique et Spectroscopies Avancées (ICPEES-LCOSA), UMR7515 CNRS, École de Chimie, Polymères, Matériaux de Strasbourg (ECPM), 25 rue Becquerel, 67087 Strasbourg, Cedex 02, France, and Laboratoire de Crystallochimie, ICSN - CNRS, Bât. 27-1 avenue de la Terrasse, 91198 Gif-sur-Yvette, Cedex, France
| | - Julien Massue
- Laboratoire de Chimie Organique et Spectroscopies Avancées (ICPEES-LCOSA), UMR7515 CNRS, École de Chimie, Polymères, Matériaux de Strasbourg (ECPM), 25 rue Becquerel, 67087 Strasbourg, Cedex 02, France, and Laboratoire de Crystallochimie, ICSN - CNRS, Bât. 27-1 avenue de la Terrasse, 91198 Gif-sur-Yvette, Cedex, France
| | - Pascal Retailleau
- Laboratoire de Chimie Organique et Spectroscopies Avancées (ICPEES-LCOSA), UMR7515 CNRS, École de Chimie, Polymères, Matériaux de Strasbourg (ECPM), 25 rue Becquerel, 67087 Strasbourg, Cedex 02, France, and Laboratoire de Crystallochimie, ICSN - CNRS, Bât. 27-1 avenue de la Terrasse, 91198 Gif-sur-Yvette, Cedex, France
| | - Gilles Ulrich
- Laboratoire de Chimie Organique et Spectroscopies Avancées (ICPEES-LCOSA), UMR7515 CNRS, École de Chimie, Polymères, Matériaux de Strasbourg (ECPM), 25 rue Becquerel, 67087 Strasbourg, Cedex 02, France, and Laboratoire de Crystallochimie, ICSN - CNRS, Bât. 27-1 avenue de la Terrasse, 91198 Gif-sur-Yvette, Cedex, France
| | - Raymond Ziessel
- Laboratoire de Chimie Organique et Spectroscopies Avancées (ICPEES-LCOSA), UMR7515 CNRS, École de Chimie, Polymères, Matériaux de Strasbourg (ECPM), 25 rue Becquerel, 67087 Strasbourg, Cedex 02, France, and Laboratoire de Crystallochimie, ICSN - CNRS, Bât. 27-1 avenue de la Terrasse, 91198 Gif-sur-Yvette, Cedex, France
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