1
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Maity N, Polok K, Piatkowski P, Smortsova Y, Miannay FA, Gadomski W, Idrissi A. Effect of Mixture Composition on the Photophysics of Indoline Dyes in Imidazolium Ionic Liquid-Molecular Solvent Mixtures: A Femtosecond Transient Absorption Study. J Phys Chem B 2024. [PMID: 38687688 DOI: 10.1021/acs.jpcb.4c00320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
We conducted a study on the photophysics of three indoline dyes, D102, D149, and D205, in binary mixtures of ionic liquids (IL) and polar aprotic molecular solvents (MS). Specifically, we examined the behavior of these dyes in IL-MS mixtures containing four different imidazolium-based ILs and three different polar aprotic MSs. Our investigation involved several techniques, including stationary absorption and emission measurements, as well as femtosecond transient absorption (TA) spectroscopy. Through our analysis, we discovered a peculiar behavior of several photophysical properties at low IL mole fractions (0 < XIL < 0.2). Indeed, in this range of mixture composition, the absorption maximum wavelength decreases noticeably, while the emission maximum wavelength and the Stokes shift, expressed in wavenumbers, reach a maximum. while a minimum occurs in the relative quantum yield and the excited state lifetime. These results indicate that the solvation of dye undergoes a large change in this range of mixture composition. We found that, at high ionic liquid content, the excited relaxation times are correlated with the high viscosity, while at low content, it is the polarity of the solvent that influences the behavior of the excited relaxation times. At a mixture composition of around 0.10, the behavior of the photophysical properties of the studied IL-MS mixtures indicates a crossover between situations where the solvation is dominated by that of ions and that dominated by the solvent.
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Affiliation(s)
- Nishith Maity
- Institut für Physikalische Chemie, Christian-Albrechts-Universität zu Kiel, Kiel 24118, Germany
| | - Kamil Polok
- Faculty of Chemistry, Laboratory of Spectroscopy and Intermolecular Interactions, University of Warsaw, ̇wirki i Wigury 101, Warsaw 02-089, Poland
| | - Piotr Piatkowski
- Faculty of Chemistry, Laboratory of Spectroscopy and Intermolecular Interactions, University of Warsaw, ̇wirki i Wigury 101, Warsaw 02-089, Poland
| | | | - François-Alexandre Miannay
- CNRS, UMR 8516-LASIRe, Laboratoire Avancé de Spectroscopie pour les Interactions, la réactivité et l'Environement, Universiy of Lille, Lille F-59000, France
| | - Wojciech Gadomski
- Faculty of Chemistry, Laboratory of Spectroscopy and Intermolecular Interactions, University of Warsaw, ̇wirki i Wigury 101, Warsaw 02-089, Poland
| | - Abdenacer Idrissi
- CNRS, UMR 8516-LASIRe, Laboratoire Avancé de Spectroscopie pour les Interactions, la réactivité et l'Environement, Universiy of Lille, Lille F-59000, France
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2
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Basak M, Das G. Amine-incorporated quinoxaline based fluorescent sensor for detection of trace water: Solvent influenced self-assembly. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 280:121521. [PMID: 35753100 DOI: 10.1016/j.saa.2022.121521] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 06/10/2022] [Accepted: 06/14/2022] [Indexed: 06/15/2023]
Abstract
Polarity is a complex parameter, with important effect in chemistry and biology. In recent years, polarity exploration attracted more and more attention hence, it's of great importance to exploit new methods for polarity determination. A novel class of long, coplanar, and amine incorporated electron-rich quinoxaline scaffold(L1) furnished maximum solvatochromic effect and large Stokes shift and was chosen to determine water content in organic solvents e.g. acetonitrile, THF, DMF, and methanol through fluorescence spectroscopy. Moreover, the probe was found to perform as an effective fluorescent sensor for the quantitative detection of low-level moisture content in four commonly-used organic solvents with low detection limits (0.018%, 0.027%, 0.012%, and 0.43% respectively). This study also describes the morphological transformation of L1 form a fibrous network to spherical aggregates upon increasing water content in several organic solvents. Real-life implementation of the probe was successfully employed for the detection of moisture content in commercial food products and building materials such as cement, sand, limestone, salt, wheat, and detergent powder. Furthermore, probe L1-immersed easy-to-prepare test strips provide a reliable approach for qualitative monitoring of water content in organic solvents by a simple color-changing method under UV irradiation via smartphone-assisted RGB analysis.
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Affiliation(s)
- Megha Basak
- Department of Chemistry, Indian Institute of Technology Guwahati, Assam 781039, India
| | - Gopal Das
- Department of Chemistry, Indian Institute of Technology Guwahati, Assam 781039, India.
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3
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Warerkar OD, Mudliar NH, Singh PK. A hemicyanine based fluorescence turn-on sensor for amyloid fibril detection in the far-red region. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115322] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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4
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Photophysics and rotational dynamics of Nile red in room temperature ionic liquid (RTIL) and RTIL-cosolvents binary mixtures. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2020.112550] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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5
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Tsuchiya S, Sakai KI, Kawano K, Nakane Y, Kikuchi T, Akutagawa T. Color Changes of a Full-Color Emissive ESIPT Fluorophore in Response to Recognition of Certain Acids and Their Conjugate Base Anions. Chemistry 2018; 24:5868-5875. [DOI: 10.1002/chem.201705622] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Indexed: 11/10/2022]
Affiliation(s)
- Saki Tsuchiya
- Department of Applied Chemistry and Bioscience; Chitose Institute of Science and Technology (CIST); Chitose 066-8655 Japan
| | - Ken-ichi Sakai
- Department of Applied Chemistry and Bioscience; Chitose Institute of Science and Technology (CIST); Chitose 066-8655 Japan
| | - Keiichi Kawano
- Department of Applied Chemistry and Bioscience; Chitose Institute of Science and Technology (CIST); Chitose 066-8655 Japan
| | - Yuta Nakane
- Polymer Hybrid Materials Research Center; Institute of Multidisciplinary Research for Advanced Materials (IMRAM); Tohoku University; Sendai 980-8577 Japan
| | - Takemitsu Kikuchi
- Polymer Hybrid Materials Research Center; Institute of Multidisciplinary Research for Advanced Materials (IMRAM); Tohoku University; Sendai 980-8577 Japan
| | - Tomoyuki Akutagawa
- Polymer Hybrid Materials Research Center; Institute of Multidisciplinary Research for Advanced Materials (IMRAM); Tohoku University; Sendai 980-8577 Japan
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6
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Sola-Llano R, Martínez-Martínez V, Fujita Y, Gómez-Hortigüela L, Alfayate A, Uji-i H, Fron E, Pérez-Pariente J, López-Arbeloa I. Formation of a Nonlinear Optical Host-Guest Hybrid Material by Tight Confinement of LDS 722 into Aluminophosphate 1D Nanochannels. Chemistry 2016; 22:15700-15711. [DOI: 10.1002/chem.201601736] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Indexed: 11/09/2022]
Affiliation(s)
- Rebeca Sola-Llano
- Departamento de Química Física; Universidad del País Vasco, UPV/EHU; Apartado 644 48080 Bilbao Spain
| | | | - Yasuhiko Fujita
- Department of Chemistry; Katholieke Universiteit Leuven; Celestijnenlaan 200F 3001 Heverlee Belgium
| | - Luis Gómez-Hortigüela
- Instituto de Catálisis y Petroleoquímica-CSIC; c/Marie Curie 2 28049, Cantoblanco Madrid Spain
| | - Almudena Alfayate
- Instituto de Catálisis y Petroleoquímica-CSIC; c/Marie Curie 2 28049, Cantoblanco Madrid Spain
| | - Hiroshi Uji-i
- Department of Chemistry; Katholieke Universiteit Leuven; Celestijnenlaan 200F 3001 Heverlee Belgium
- Research Institute for Electronic Science; Hokkaido University; N20W10, Kita-Ward 001-0020 Sapporo Japan
| | - Eduard Fron
- Department of Chemistry; Katholieke Universiteit Leuven; Celestijnenlaan 200F 3001 Heverlee Belgium
| | - Joaquín Pérez-Pariente
- Instituto de Catálisis y Petroleoquímica-CSIC; c/Marie Curie 2 28049, Cantoblanco Madrid Spain
| | - Iñigo López-Arbeloa
- Departamento de Química Física; Universidad del País Vasco, UPV/EHU; Apartado 644 48080 Bilbao Spain
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7
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Banik D, Roy A, Kundu N, Sarkar N. Picosecond Solvation and Rotational Dynamics: An Attempt to Reinvestigate the Mystery of Alcohol–Water Binary Mixtures. J Phys Chem B 2015; 119:9905-19. [PMID: 26121323 DOI: 10.1021/acs.jpcb.5b04931] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Debasis Banik
- Department of Chemistry, Indian Institute of Technology, Kharagpur 721302, West Bengal, India
| | - Arpita Roy
- Department of Chemistry, Indian Institute of Technology, Kharagpur 721302, West Bengal, India
| | - Niloy Kundu
- Department of Chemistry, Indian Institute of Technology, Kharagpur 721302, West Bengal, India
| | - Nilmoni Sarkar
- Department of Chemistry, Indian Institute of Technology, Kharagpur 721302, West Bengal, India
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8
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Mishra A, Sahu S, Tripathi S, Krishnamoorthy G. Photoinduced intramolecular charge transfer in trans-2-[4'-(N,N-dimethylamino)styryl]imidazo[4,5-b]pyridine: effect of introducing a C[double bond, length as m-dash]C double bond. Photochem Photobiol Sci 2015; 13:1476-86. [PMID: 25103414 DOI: 10.1039/c4pp00237g] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
The spectral characteristics of trans-2-[4'-(N,N-dimethylamino)styryl]imidazo[4,5-b]pyridine (t-DMASIP-b) have been investigated using absorption and fluorescence techniques, and compared with 2-(4'-N,N-dimethylamino)imidazo[4,5-b]pyridine (DMAPIP-b). The study reveals that introduction of a C[double bond, length as m-dash]C double bond strongly perturbs the photophysics of the system. Unlike DMAPIP-b, t-DMASIP-b emits a single emission in aprotic and protic solvents. The emission occurs from the locally excited state in nonpolar solvents and from a planar intramolecular charge transfer (PICT) state in polar solvents. Multiple linear regression analysis suggests that among the different solvent parameters, the dipolar interaction contributes more to the stabilization of the system in both the ground and excited states. Theoretical calculations suggest that, unlike in DMAPIP-b, proton coupled twisted intramolecular charge transfer (TICT) emission does not occur in t-DMASIP-b. The higher quantum yield obtained in the viscous solvent glycerol is attributed to the restriction of the twisting of the olefinic bond. The photoirradiation of t-DMASIP-b shows that isomerization takes place in all solvents, including viscous glycerol. The theoretically simulated potential energy surface shows that isomerization occurs via a phantom state, which is a nonradiative process. The rise in temperature favors the photoisomerization, thus, the fluorescence quantum yield decreases. The prototropic study indicates that, unlike in DMAPIP-b, the protonation takes place at different places to form the monocations.
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Affiliation(s)
- Anasuya Mishra
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India.
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9
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Tripathy S, Dash S. Solvation studies of some tailor made α-N,N-dimethylaminostyryl-N-alkyl pyridinium dyes in binary solvent mixtures containing alcohols, hexane, 1,4-dioxane, DCM and acetone. J Mol Liq 2015. [DOI: 10.1016/j.molliq.2015.01.046] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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10
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Banik D, Kundu N, Kuchlyan J, Roy A, Banerjee C, Ghosh S, Sarkar N. Picosecond solvation dynamics—A potential viewer of DMSO—Water binary mixtures. J Chem Phys 2015; 142:054505. [DOI: 10.1063/1.4906541] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Debasis Banik
- Department of Chemistry, Indian Institute of Technology, Kharagpur, WB 721302, India
| | - Niloy Kundu
- Department of Chemistry, Indian Institute of Technology, Kharagpur, WB 721302, India
| | - Jagannath Kuchlyan
- Department of Chemistry, Indian Institute of Technology, Kharagpur, WB 721302, India
| | - Arpita Roy
- Department of Chemistry, Indian Institute of Technology, Kharagpur, WB 721302, India
| | - Chiranjib Banerjee
- Department of Chemistry, Indian Institute of Technology, Kharagpur, WB 721302, India
| | - Surajit Ghosh
- Department of Chemistry, Indian Institute of Technology, Kharagpur, WB 721302, India
| | - Nilmoni Sarkar
- Department of Chemistry, Indian Institute of Technology, Kharagpur, WB 721302, India
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11
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Barra KM, Sabatini RP, McAtee ZP, Heitz MP. Solvation and Rotation Dynamics in the Trihexyl(tetradecyl)phosphonium Chloride Ionic Liquid/Methanol Cosolvent System. J Phys Chem B 2014; 118:12979-92. [DOI: 10.1021/jp5092784] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kathleen M. Barra
- Department
of Chemistry, The College at Brockport, State University of New York, Brockport, New York 14420, United States
| | - Randy P. Sabatini
- Department
of Chemistry, The College at Brockport, State University of New York, Brockport, New York 14420, United States
| | - Zachery P. McAtee
- Department
of Chemistry, The College at Brockport, State University of New York, Brockport, New York 14420, United States
| | - Mark P. Heitz
- Department
of Chemistry, The College at Brockport, State University of New York, Brockport, New York 14420, United States
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12
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Ghosh S, Banik D, Roy A, Kundu N, Kuchlyan J, Sarkar N. Spectroscopic investigation of the binding interactions of a membrane potential molecule in various supramolecular confined environments: contrasting behavior of surfactant molecules in relocation or release of the probe between nanocarriers and DNA surface. Phys Chem Chem Phys 2014; 16:25024-38. [DOI: 10.1039/c4cp03178d] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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13
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Epelde-Elezcano N, Duque-Redondo E, Martínez-Martínez V, Manzano H, López-Arbeloa I. Preparation, photophysical characterization, and modeling of LDS722/Laponite 2D-ordered hybrid films. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:10112-10117. [PMID: 25087605 DOI: 10.1021/la502081c] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
A novel hybrid material with promising optical properties for nonlinear optical applications is presented, as formed by LDS 722 organic dye confined in Laponite clay. Thin films of the hybrid material with different dye loadings have been prepared. The film thickness, the dye and water content, and the clay swelling due to guest molecule incorporation have been characterized. Then, the photophysical properties of the thin films have been studied in detail using experimental methods and molecular simulation. As the dye load increases, the hybrid films present a hypsochromic shift in absorption and a bathochromic shift in emission. The former is attributed to the increasing strength of solvation of the dye donor group, while the latter is ascribed to a switch from an intramolecular to an intermolecular charge-transfer process as the dye load increases. The LDS 722 molecules are preferentially oriented in the host clay almost in parallel to the platelet surfaces, inducing macroscopic order that makes the material responsive to polarized light.
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Affiliation(s)
- Nerea Epelde-Elezcano
- Molecular Spectroscopy Laboratory, University of the Basque Country UPV/EHU , Apartado 644, 48080 Bilbao, Spain
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14
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Miao JT, Fan C, Sun R, Xu YJ, Ge JF. Optical properties of hemicyanines with terminal amino groups and their applications in near-infrared fluorescent imaging of nucleoli. J Mater Chem B 2014; 2:7065-7072. [DOI: 10.1039/c4tb01218f] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A cellular dye with properties of long-wave emission, large Stokes shift, water solubility, low cytotoxicity, and good photostability is reported.
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Affiliation(s)
- Jia-Tao Miao
- College of Chemistry
- Chemical Engineering and Material Science
- Collaborative Innovation Center of Suzhou Nano Science and Technology
- Soochow University
- Suzhou 215123, People's Republic of China
| | - Chen Fan
- School of Radiation Medicine and Protection
- Soochow University
- Suzhou 215123, People's Republic of China
| | - Ru Sun
- College of Chemistry
- Chemical Engineering and Material Science
- Collaborative Innovation Center of Suzhou Nano Science and Technology
- Soochow University
- Suzhou 215123, People's Republic of China
| | - Yu-Jie Xu
- School of Radiation Medicine and Protection
- Soochow University
- Suzhou 215123, People's Republic of China
| | - Jian-Feng Ge
- College of Chemistry
- Chemical Engineering and Material Science
- Collaborative Innovation Center of Suzhou Nano Science and Technology
- Soochow University
- Suzhou 215123, People's Republic of China
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15
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Mandal S, Ghosh S, Banerjee C, Kuchlyan J, Sarkar N. Unique Photophysical Behavior of 2,2′-Bipyridine-3,3′-diol in DMSO–Water Binary Mixtures: Potential Application for Fluorescence Sensing of Zn2+ Based on the Inhibition of Excited-State Intramolecular Double Proton Transfer. J Phys Chem B 2013; 117:12212-23. [DOI: 10.1021/jp406853r] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Sarthak Mandal
- Department of Chemistry, Indian Institute of Technology, Kharagpur 721302, WB, India
| | - Surajit Ghosh
- Department of Chemistry, Indian Institute of Technology, Kharagpur 721302, WB, India
| | - Chiranjib Banerjee
- Department of Chemistry, Indian Institute of Technology, Kharagpur 721302, WB, India
| | - Jagannath Kuchlyan
- Department of Chemistry, Indian Institute of Technology, Kharagpur 721302, WB, India
| | - Nilmoni Sarkar
- Department of Chemistry, Indian Institute of Technology, Kharagpur 721302, WB, India
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16
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Chatterjee A, Seth D. Effect of nanocavities on the torsional dynamics of thioflavin T in various non-aqueous reverse micelles. Photochem Photobiol Sci 2013; 12:369-83. [DOI: 10.1039/c2pp25297j] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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17
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Panigrahi S, Suna P, Misra PK. Effect of organized assemblies, part VIII: Spectrophotometetric study on the effect of micellar media on the pK of some substituted N-benzylideneanilines. Colloids Surf A Physicochem Eng Asp 2012. [DOI: 10.1016/j.colsurfa.2012.08.051] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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18
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Chatterjee A, Seth D. Photophysical properties of 7-(diethylamino)coumarin-3-carboxylic acid in the nanocage of cyclodextrins and in different solvents and solvent mixtures. Photochem Photobiol 2012; 89:280-93. [PMID: 23005913 DOI: 10.1111/php.12000] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2012] [Accepted: 09/15/2012] [Indexed: 11/26/2022]
Abstract
The photophysical properties of 7-(diethylamino) coumarin-3-carboxylic acid (7-DCCA) were studied in cyclodextrins (α, β, γ,-CDs), different neat solvents and solvent mixtures by using steady state absorption, emission and time-resolved fluorescence spectroscopy. We have observed that with gradual increase in concentration of β-CD the fluorescence quantum yield and lifetime decreased in a regular pattern whereas with gradual increase in concentration of γ-CD the fluorescence quantum yield and lifetime gradually increased. With addition of urea, the fluorescence quantum yield and lifetime of 7-DCCA in CDs increased. Binding constant calculation shows that 7-DDCA forms 1:1 complex with β-CD and with γ-CD it forms 1:1 and 1:2 (guest:host) inclusion complex. We proposed that the dye molecule formed capping complex with β-CD by means of hydrogen bonding and after addition of urea the hydrogen bonding network broke down and part of dye molecule entered inside the cavity of β-CD. The photophysics of 7-DCCA was studied in dioxane-water mixture and ethylene glycol-acetonitrile mixture to know the effect of polarity and viscosity of the media. The photophysics of 7-DCCA was also studied in different neat solvents. It was found that the photophysics of 7-DCCA depended on the structural feature of the solvents and solvent mixtures.
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Affiliation(s)
- Aninda Chatterjee
- Department of Chemistry, Indian Institute of Technology, Patna, Bihar, India
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19
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Gupta S, Rather SR, Kundu M, Sen P. Origin of strong synergism in weakly perturbed binary solvent system: a case study of primary alcohols and chlorinated methanes. J Phys Chem B 2012; 116:1345-55. [PMID: 22200245 DOI: 10.1021/jp207741h] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A strong synergistic solvation was observed for the mixtures of hydrogen bond donating and accepting solvent pairs. The nature of the interactions between two solvent pairs was investigated with different dye molecules viz. coumarin 480, coumarin 153, 4-aminophthalimide, and p-nitroaniline. Coumarin 480 in differenet alcohols-CHCl(3) (alcohols: MeOH, EtOH, BuOH) binary mixture shows a strong synergism, which is explained in the backdrop of solvent-solvent interactions. Fluorescence quenching of C480 by 1,2-phenylenediamine in the binary solvent mixture exhibited the maximum deviation in quenching constant corresponding to ~0.45 mol fraction of MeOH in MeOH-CHCl(3) binary mixture and hence suggested the maximum extent of hydrogen-bonding interactions prevailing at this proportion of mixture. The solvation behavior of MeOH-CHCl(3) mixture shows strong probe dependence with no synergism observed in p-nitroaniline, which is ascribed to its higher ground state dipole moment (8.8 D) relative to C480 (6.3 D). Interestingly, the strong synergistic signature observed through spectrophotometric measurement of C480 in alcohol-CHCl(3) binary mixture is absent when studied by fluorescence measurement. The higher excited state dipole moment of coumarin 480 (13.1 D) is considered to be the driving force for the absence of synergism in the excited state. In such strongly perturbed systems (due to high dipole moment values) the dominant phenomenon is preferential solvation. Analysis of proton NMR of MeOH-CHCl(3) binary solvent mixture indicates the existence of MeOH-CHCl(3) clusters in the stoichiometric ratio of 1:2.15. Refractive index measurement also infers the existence of hydrogen bonded network structure between MeOH and CHCl(3). A modified Bosch solvent exchange model has been used to determine the feasibility of synergistic behavior and polarity parameter of the mixed solvent structure of MeOH-CHCl(3) binary solvent mixture.
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Affiliation(s)
- Shradhey Gupta
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, UP, PIN-208 016, India
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20
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Das SK, Sarkar M. Rotational Dynamics of Coumarin-153 and 4-Aminophthalimide in 1-Ethyl-3-methylimidazolium Alkylsulfate Ionic Liquids: Effect of Alkyl Chain Length on the Rotational Dynamics. J Phys Chem B 2011; 116:194-202. [DOI: 10.1021/jp207528p] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Sudhir Kumar Das
- School of Chemical Sciences, National Institute of Science Education and Research, Bhubaneswar 751005, India
| | - Moloy Sarkar
- School of Chemical Sciences, National Institute of Science Education and Research, Bhubaneswar 751005, India
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21
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Kadokawa JI, Izawa H, Ohta T, Wakizono S, Yamamoto K. Photo-Induced Reduction Reaction of Methylene Blue in an Ionic Liquid. ACTA ACUST UNITED AC 2011. [DOI: 10.4236/ijoc.2011.14023] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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22
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Martínez-Martínez V, Corcóstegui C, Bañuelos Prieto J, Gartzia L, Salleres S, López Arbeloa I. Distribution and orientation study of dyes intercalated into single sepiolite fibers. A confocal fluorescence microscopy approach. ACTA ACUST UNITED AC 2011. [DOI: 10.1039/c0jm02211j] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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23
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Panigrahi M, Dash S, Patel S, Mishra BK. Preferential Solvation of Styrylpyridinium Dyes in Binary Mixtures of Alcohols with Hexane, Dioxane, and Dichloromethane. J Phys Chem B 2010; 115:99-108. [DOI: 10.1021/jp108002e] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Mallika Panigrahi
- Centre of Studies in Surface Science and Technology, School of Chemistry, Sambalpur University, Jyoti Vihar, Burla 768 019, India, Department of Chemistry, VSS University of Technology, Burla 768018, India, and Department of Chemistry, National Institute of Technology, Rourkela 769008, India
| | - Sukalyan Dash
- Centre of Studies in Surface Science and Technology, School of Chemistry, Sambalpur University, Jyoti Vihar, Burla 768 019, India, Department of Chemistry, VSS University of Technology, Burla 768018, India, and Department of Chemistry, National Institute of Technology, Rourkela 769008, India
| | - Sabita Patel
- Centre of Studies in Surface Science and Technology, School of Chemistry, Sambalpur University, Jyoti Vihar, Burla 768 019, India, Department of Chemistry, VSS University of Technology, Burla 768018, India, and Department of Chemistry, National Institute of Technology, Rourkela 769008, India
| | - Bijay K. Mishra
- Centre of Studies in Surface Science and Technology, School of Chemistry, Sambalpur University, Jyoti Vihar, Burla 768 019, India, Department of Chemistry, VSS University of Technology, Burla 768018, India, and Department of Chemistry, National Institute of Technology, Rourkela 769008, India
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Sarkar S, Pramanik R, Ghatak C, Setua P, Sarkar N. Probing the Interaction of 1-Ethyl-3-methylimidazolium Ethyl Sulfate ([Emim][EtSO4]) with Alcohols and Water by Solvent and Rotational Relaxation. J Phys Chem B 2010; 114:2779-89. [PMID: 20136109 DOI: 10.1021/jp907936s] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Souravi Sarkar
- Department of Chemistry, Indian Institute of Technology, Kharagpur 721 302, West Bengal, India
| | - Rajib Pramanik
- Department of Chemistry, Indian Institute of Technology, Kharagpur 721 302, West Bengal, India
| | - Chiranjib Ghatak
- Department of Chemistry, Indian Institute of Technology, Kharagpur 721 302, West Bengal, India
| | - Palash Setua
- Department of Chemistry, Indian Institute of Technology, Kharagpur 721 302, West Bengal, India
| | - Nilmoni Sarkar
- Department of Chemistry, Indian Institute of Technology, Kharagpur 721 302, West Bengal, India
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Wright L, Sanders MW, Tate L, Fairless G, Crowhurst L, Bruce NC, Walker AJ, Hembury GA, Shimizu S. Hydrophilicity, the major determining factor influencing the solvation environment of protic ionic liquids. Phys Chem Chem Phys 2010; 12:9063-6. [DOI: 10.1039/b919348k] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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26
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Sanders MW, Wright L, Tate L, Fairless G, Crowhurst L, Bruce NC, Walker AJ, Hembury GA, Shimizu S. Unexpected Preferential Dehydration of Artemisinin in Ionic Liquids. J Phys Chem A 2009; 113:10143-5. [DOI: 10.1021/jp906436e] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Marc W. Sanders
- York Structural Biology Laboratory, Department of Chemistry, University of York, Heslington, York YO10 5YW, U.K., Bioniqs Ltd., Biocentre, York Science Park, York YO10 5DG, and CNAP, Department of Biology, University of York, Heslington, York YO10 5YW
| | - Lawrence Wright
- York Structural Biology Laboratory, Department of Chemistry, University of York, Heslington, York YO10 5YW, U.K., Bioniqs Ltd., Biocentre, York Science Park, York YO10 5DG, and CNAP, Department of Biology, University of York, Heslington, York YO10 5YW
| | - Lauren Tate
- York Structural Biology Laboratory, Department of Chemistry, University of York, Heslington, York YO10 5YW, U.K., Bioniqs Ltd., Biocentre, York Science Park, York YO10 5DG, and CNAP, Department of Biology, University of York, Heslington, York YO10 5YW
| | - Gayle Fairless
- York Structural Biology Laboratory, Department of Chemistry, University of York, Heslington, York YO10 5YW, U.K., Bioniqs Ltd., Biocentre, York Science Park, York YO10 5DG, and CNAP, Department of Biology, University of York, Heslington, York YO10 5YW
| | - Lorna Crowhurst
- York Structural Biology Laboratory, Department of Chemistry, University of York, Heslington, York YO10 5YW, U.K., Bioniqs Ltd., Biocentre, York Science Park, York YO10 5DG, and CNAP, Department of Biology, University of York, Heslington, York YO10 5YW
| | - Neil C. Bruce
- York Structural Biology Laboratory, Department of Chemistry, University of York, Heslington, York YO10 5YW, U.K., Bioniqs Ltd., Biocentre, York Science Park, York YO10 5DG, and CNAP, Department of Biology, University of York, Heslington, York YO10 5YW
| | - Adam J. Walker
- York Structural Biology Laboratory, Department of Chemistry, University of York, Heslington, York YO10 5YW, U.K., Bioniqs Ltd., Biocentre, York Science Park, York YO10 5DG, and CNAP, Department of Biology, University of York, Heslington, York YO10 5YW
| | - Guy A. Hembury
- York Structural Biology Laboratory, Department of Chemistry, University of York, Heslington, York YO10 5YW, U.K., Bioniqs Ltd., Biocentre, York Science Park, York YO10 5DG, and CNAP, Department of Biology, University of York, Heslington, York YO10 5YW
| | - Seishi Shimizu
- York Structural Biology Laboratory, Department of Chemistry, University of York, Heslington, York YO10 5YW, U.K., Bioniqs Ltd., Biocentre, York Science Park, York YO10 5DG, and CNAP, Department of Biology, University of York, Heslington, York YO10 5YW
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