1
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Jia J, Li J, Zhang T, Lu Y, Song Y. Study of two-photon absorption and excited-state dynamics of coumarin derivatives: the effect of monomeric and dimeric structures. Phys Chem Chem Phys 2024; 26:11064-11072. [PMID: 38529570 DOI: 10.1039/d3cp06059d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
Intramolecular charge transfer (ICT) and π-electron delocalization are two key factors affecting the nonlinear optical absorption of organic molecules. To clarify the different influences of ICT and π-electron delocalization on two-photon absorption (TPA) and excited-state absorption (ESA), monomeric coumarin C1 and dimeric coumarin C2 are synthesized and studied. Transient absorption spectroscopy (TAS) analysis of these coumarin derivatives in solvents of varying polarities describes the polarity-dependent excited-state dynamics and reveals the ESA signals of the charge transfer state (CTS) and local excited state (LES) with different spectral features. Femtosecond broadband Z-scan experiments indicate that dimeric coumarin C2 has a more significant TPA response than monomeric coumarin C1 in the near-infrared region. Natural transition orbital (NTO) analysis further theoretically characterizes the electron transition feature induced by TPA. Our results reveal that the TPA of these coumarin derivatives can be significantly enhanced by expanding π-electron delocalization, but their ESA is mainly dominated by ICT performance. This study indicates that coumarin derivatives will exhibit extremely broad application prospects in the field of ultrafast optical limiting (OL) through reasonable molecular design.
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Affiliation(s)
- Jidong Jia
- School of Electronic Information, Huzhou College, Huzhou, 313000, China.
| | - Jie Li
- Department of Physics, Soochow University, Suzhou, 215123, China.
| | - Tianwei Zhang
- School of Physics, Harbin Institute of Technology, Harbin 150001, China
| | - YinLin Lu
- Department of Physics, Soochow University, Suzhou, 215123, China.
| | - Yinglin Song
- Department of Physics, Soochow University, Suzhou, 215123, China.
- School of Physics, Harbin Institute of Technology, Harbin 150001, China
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2
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Baron T, Maffeis V, Bucher C, Le Guennic B, Banyasz A, Jacquemin D, Berginc G, Maury O, Andraud C. Tuning the Photophysical Properties of Aza-BODIPYs in the Near-Infrared Region by Introducing Electron-Donating Thiophene Substituents. Chemistry 2023; 29:e202301357. [PMID: 37272206 DOI: 10.1002/chem.202301357] [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: 04/28/2023] [Revised: 06/02/2023] [Accepted: 06/02/2023] [Indexed: 06/06/2023]
Abstract
This study presents the synthesis, the spectroscopic and electrochemical properties of new bis- and tetra-substituted azaboron-dipyrromethene (aza-BODIPY) dyes substituted by different electron donating groups connected to the aza-BODIPY core through a thiophene unit. In line with theoretical calculations, experimental measurements point out the positive impact of the thiophene group that behave as a secondary donor group leading to an enhancement of the intramolecular charge transfer process in comparison to previously reported aza-BODIPY dyes. This heterocycle has also been found to tune the oxidative potential and to stabilize the electro-generated species.
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Affiliation(s)
- Thibaut Baron
- Laboratoire de Chimie, UMR 5182, ENS Lyon, CNRS, Université Lyon 1, 46 Allée d'Italie, 69364, Lyon, France
| | - Valentin Maffeis
- Laboratoire de Chimie, UMR 5182, ENS Lyon, CNRS, Université Lyon 1, 46 Allée d'Italie, 69364, Lyon, France
| | - Christophe Bucher
- Laboratoire de Chimie, UMR 5182, ENS Lyon, CNRS, Université Lyon 1, 46 Allée d'Italie, 69364, Lyon, France
| | - Boris Le Guennic
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), UMR 6226, 35000, Rennes, France
| | - Akos Banyasz
- Laboratoire de Chimie, UMR 5182, ENS Lyon, CNRS, Université Lyon 1, 46 Allée d'Italie, 69364, Lyon, France
| | - Denis Jacquemin
- Nantes Université, CNRS, CEISAM, UMR-6230, 44000, Nantes, France
- Institut Universitaire de France (IUF), 75005, Paris, France
| | - Gérard Berginc
- Thales LAS France, 2 Avenue Gay Lussac, 78990, Élancourt, France
| | - Olivier Maury
- Laboratoire de Chimie, UMR 5182, ENS Lyon, CNRS, Université Lyon 1, 46 Allée d'Italie, 69364, Lyon, France
| | - Chantal Andraud
- Laboratoire de Chimie, UMR 5182, ENS Lyon, CNRS, Université Lyon 1, 46 Allée d'Italie, 69364, Lyon, France
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3
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Chen H, Shi X, Lun Y, Xu Y, Lu T, Duan Z, Shao M, Sessler JL, Yu H, Lei C. 3,6-Carbazoylene Octaphyrin (1.0.0.0.1.0.0.0) and Its Bis-BF 2 Complex. J Am Chem Soc 2022; 144:8194-8203. [PMID: 35482960 DOI: 10.1021/jacs.2c01240] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
3,6-Carbazole precursors were used to prepare an octaphyrin. The conformation and electronic structure of the system could be modulated through trifluoroacetate (TFA) protonation and BF2 complexation. The resulting nonaromatic macrocyclic complexes, 2-2TFA and 2-2BF2, displayed noteworthy photophysical properties. For instance, the diprotonated species 2-2TFA showed a strong panchromic absorption up to 800 nm, while the bis-BF2-chelated dipyrromethene (BODIPY)-like complex 2-2BF2 exhibited an intense visible absorption feature (ε535nm = 2.1 × 105 M-1 cm-1), as well as a relatively red-shifted emission at 640 nm characterized by a large Stokes shift. It was found that 2-2BF2 could be used to construct a high-quality organic microlaser that functions under optical pumping. The present study highlights the potential utility of expanded porphyrins as possible laser dyes.
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Affiliation(s)
- Hao Chen
- Department of Physics, College of Sciences, Shanghai University, Shanghai 200444, P. R. China.,Center for Supramolecular Chemistry and Catalysis and Department of Chemistry, College of Science, Shanghai University, Shanghai 200444, P. R. China
| | - Xusheng Shi
- State Key Laboratory of Luminescent Materials and Devices, School of Physics and Optoelectronics, South China University of Technology, Guangzhou 510641, P. R. China
| | - Yipeng Lun
- State Key Laboratory of Luminescent Materials and Devices, School of Physics and Optoelectronics, South China University of Technology, Guangzhou 510641, P. R. China
| | - Yan Xu
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry, College of Science, Shanghai University, Shanghai 200444, P. R. China
| | - Tian Lu
- Materials Genome Institute, Shanghai University, Shanghai 200444, P. R. China
| | - Zhiming Duan
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry, College of Science, Shanghai University, Shanghai 200444, P. R. China
| | - Min Shao
- Laboratory for Microstructures, Instrumental Analysis and Research Center of Shanghai University, Shanghai University, Shanghai 200444, P. R. China
| | - Jonathan L Sessler
- Department of Chemistry, The University of Texas at Austin, 105 East 24th Street, Stop A5300, Austin, Texas 78712-1224, United States
| | - Huakang Yu
- State Key Laboratory of Luminescent Materials and Devices, School of Physics and Optoelectronics, South China University of Technology, Guangzhou 510641, P. R. China.,China-Singapore International Joint Research Institute, Guangzhou Knowledge City, Guangzhou 510663, P. R. China
| | - Chuanhu Lei
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry, College of Science, Shanghai University, Shanghai 200444, P. R. China
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4
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Jia J, Fang Y, Wu X, Zhang X, Wang Y, Yang J, Song Y. Study on Excited State Kinetics and Optical Limiting Performance of Triphenylamine-Based Chalcone Derivatives: Effect of the Molecular π-Conjugated Structure. J Phys Chem B 2022; 126:3327-3337. [PMID: 35452239 DOI: 10.1021/acs.jpcb.2c00634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Optical limiting (OL) is an important application of nonlinear optics. Summarizing the structure-property relationship of organic materials is an effective means to develop superior optical limiters. In this work, two triphenylamine-based chalcone derivatives T1 and T2 with different peripheral substituent groups were synthesized to study their transient kinetics and nonlinear optical (NLO) absorption performance. The transient absorption spectrum (TAS) of compounds T1 and T2 in solvents of varying polarities visualizes the intramolecular charge transfer (ICT) processes between the local excited state (LES) and the charge transfer state (CTS). Nanosecond Z-scan experiment and hole-electron analysis indicate that all compounds have excellent reverse saturated absorption (RSA) performance at 532 nm and T1 exhibits stronger RSA than T2 due to the stronger ICT performance of T1 caused by the halogen effect. Degenerate pump-probe experiment shows that the ESA of T2 at 532 nm is significantly enhanced by expanding the molecular π-conjugation. Under the premise of consistent linear transmittance (78%), compound T2 shows better OL performance than compound T1 at 532 nm in the nanosecond time domain. The OL thresholds of T1 and T2 are 3.72 and 0.72 J cm-2, respectively, which are better than those of the most reported OL materials. Our research shows that simple and common chalcone derivatives exhibit amazing NLO performance through a reasonable design.
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Affiliation(s)
- Jidong Jia
- Department of Physics, Harbin Institute of Technology, Harbin 150001, China
| | - Yu Fang
- Jiangsu Key Laboratory of Micro and Nano Heat Fluid Flow Technology and Energy Application, School of Physical Science and Technology, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Xingzhi Wu
- Jiangsu Key Laboratory of Micro and Nano Heat Fluid Flow Technology and Energy Application, School of Physical Science and Technology, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Xueru Zhang
- Department of Physics, Harbin Institute of Technology, Harbin 150001, China
| | - Yuxiao Wang
- Department of Physics, Harbin Institute of Technology, Harbin 150001, China
| | - Junyi Yang
- Department of Physics, Soochow University, Suzhou 215123, China
| | - Yinglin Song
- Department of Physics, Harbin Institute of Technology, Harbin 150001, China
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5
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Jia J, Wu X, Zhang X, Wang Y, Yang J, Fang Y, Song Y. Effect of intramolecular charge transfer on nonlinear optical properties of chalcone derivatives: a visual description of the charge transfer process. Phys Chem Chem Phys 2022; 24:955-965. [PMID: 34918731 DOI: 10.1039/d1cp04567a] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Intramolecular charge transfer (ICT) is an important factor in the nonlinear optical (NLO) properties of organic molecules. In order to study the effect of ICT on two-photon absorption (TPA) and excited-state absorption (ESA), three chalcone derivatives (1, 2 and 3) with different electron push-pull systems were designed and synthesized. The ICT performance of these chalcone derivatives depends on the electron push-pull systems and mainly includes ultrafast ICT in the femtosecond time domain and long-lived charge transfer state (CTS) in the picosecond time domain, which dominate the performance of molecular TPA and ESA respectively. Hole-electron analysis and femtosecond Z-scan experiment indicate that the TPA cross section of these chalcone derivatives can be effectively enhanced by introducing stronger ultra-fast ICT in the case of little difference in ground-state absorption and expanding the molecular π-conjugated structure. Transient absorption spectrum (TAS) experiments of these compounds in solvents of varying polarities were conducted to visualize the establishment of CTS. The local excited state (LES) and charge transfer state (CTS)-based ESA of these chalcone derivatives are extremely dependent on the strength of ICT. Our experimental results show that the superposition of LES and CTS by enhancing ICT performance can effectively improve the ESA, which offers us a practical method to improve the long-impulse response of organic materials.
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Affiliation(s)
- Jidong Jia
- Department of Physics, Harbin Institute of Technology, Harbin 150001, China.
| | - Xingzhi Wu
- Jiangsu Key Laboratory of Micro and Nano Heat Fluid Flow Technology and Energy Application, School of Physical Science and Technology, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Xueru Zhang
- Department of Physics, Harbin Institute of Technology, Harbin 150001, China.
| | - Yuxiao Wang
- Department of Physics, Harbin Institute of Technology, Harbin 150001, China.
| | - Junyi Yang
- Department of Physics, Soochow University, Suzhou 215123, China
| | - Yu Fang
- Jiangsu Key Laboratory of Micro and Nano Heat Fluid Flow Technology and Energy Application, School of Physical Science and Technology, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Yinglin Song
- Department of Physics, Harbin Institute of Technology, Harbin 150001, China.
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6
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Maffeis V, Jousselme B, Gustavsson T. Hole injection from P1 dye hot-excited states in p-type dye-sensitized films: a fluorescence study. Photochem Photobiol Sci 2021; 20:1257-1271. [PMID: 34542893 DOI: 10.1007/s43630-021-00098-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 08/31/2021] [Indexed: 10/20/2022]
Abstract
We present a study of the excited state relaxation dynamics of the photosensitizer P1 used in p-type dye-sensitized solar cells. Comparative femtosecond fluorescence upconversion measurements in solution and in films show that the dye undergoes a picosecond electronic relaxation from the bright Franck-Condon (FC) state to a low-emitting charge-transfer (CT) state in polar environment. The fluorescence is moderately quenched in solution and on the mesoporous Al2O3 isolator but dramatically more on NiO semiconductor. We assign this sub-picosecond process to the hole injection thus confirming that the electron transfer is from the FC state directly into the NiO valence band.
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Affiliation(s)
- Valentin Maffeis
- CEA, CNRS, LIDYL, Université Paris-Saclay, 91191, Gif-sur-Yvette, France. .,CEA, CNRS, NIMBE, LICSEN, Université Paris-Saclay, 91191, Gif-sur-Yvette, France. .,Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Avinguda Països Catalans 16, 43007, Tarragona, Spain.
| | - Bruno Jousselme
- CEA, CNRS, NIMBE, LICSEN, Université Paris-Saclay, 91191, Gif-sur-Yvette, France
| | - Thomas Gustavsson
- CEA, CNRS, LIDYL, Université Paris-Saclay, 91191, Gif-sur-Yvette, France
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7
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Bold S, Massin J, Giannoudis E, Koepf M, Artero V, Dietzek B, Chavarot-Kerlidou M. Spectroscopic Investigations Provide a Rationale for the Hydrogen-Evolving Activity of Dye-Sensitized Photocathodes Based on a Cobalt Tetraazamacrocyclic Catalyst. ACS Catal 2021. [DOI: 10.1021/acscatal.0c05033] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Sebastian Bold
- Laboratoire de Chimie et Biologie des Métaux, Univ.́ Grenoble Alpes, CNRS, CEA, IRIG, 17 rue des Martyrs, F-38000 Grenoble, France
- Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, 07743 Jena, Germany
- Department Functional Interfaces, Leibniz Institute of Photonic Technology Jena (Leibniz-IPHT), Albert-Einstein-Straße 9, 07745 Jena, Germany
| | - Julien Massin
- Laboratoire de Chimie et Biologie des Métaux, Univ.́ Grenoble Alpes, CNRS, CEA, IRIG, 17 rue des Martyrs, F-38000 Grenoble, France
| | - Emmanouil Giannoudis
- Laboratoire de Chimie et Biologie des Métaux, Univ.́ Grenoble Alpes, CNRS, CEA, IRIG, 17 rue des Martyrs, F-38000 Grenoble, France
| | - Matthieu Koepf
- Laboratoire de Chimie et Biologie des Métaux, Univ.́ Grenoble Alpes, CNRS, CEA, IRIG, 17 rue des Martyrs, F-38000 Grenoble, France
| | - Vincent Artero
- Laboratoire de Chimie et Biologie des Métaux, Univ.́ Grenoble Alpes, CNRS, CEA, IRIG, 17 rue des Martyrs, F-38000 Grenoble, France
| | - Benjamin Dietzek
- Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, 07743 Jena, Germany
- Department Functional Interfaces, Leibniz Institute of Photonic Technology Jena (Leibniz-IPHT), Albert-Einstein-Straße 9, 07745 Jena, Germany
- Center for Energy and Environmental Chemistry Jena (CEEC Jena), Friedrich Schiller University Jena, Philosophenweg 8, 07743 Jena, Germany
| | - Murielle Chavarot-Kerlidou
- Laboratoire de Chimie et Biologie des Métaux, Univ.́ Grenoble Alpes, CNRS, CEA, IRIG, 17 rue des Martyrs, F-38000 Grenoble, France
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8
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Jia J, Zhang X, Wang Y, Shi Y, Sun J, Yang J, Song Y. Enhanced Two-Photon Absorption of Cross-Conjugated Chalcone Derivatives: Modulation of the Effective π-Conjugated Structure. J Phys Chem A 2020; 124:10808-10816. [DOI: 10.1021/acs.jpca.0c08656] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Jidong Jia
- Department of Physics, Harbin Institute of Technology, Harbin 150001, China
- Science and Technology on Electro-Optical Information Security Control Laboratory, Tianjin 300308, China
| | - Xueru Zhang
- Department of Physics, Harbin Institute of Technology, Harbin 150001, China
| | - Yuxiao Wang
- Department of Physics, Harbin Institute of Technology, Harbin 150001, China
| | - Yufang Shi
- Department of Chemistry, Xinzhou Teachers University, Xinzhou 034000, China
| | - Jinyu Sun
- Department of Chemistry, Xinzhou Teachers University, Xinzhou 034000, China
| | - Junyi Yang
- Department of Physics, Soochow University, Suzhou 215123, China
| | - Yinglin Song
- Department of Physics, Harbin Institute of Technology, Harbin 150001, China
- Science and Technology on Electro-Optical Information Security Control Laboratory, Tianjin 300308, China
- Department of Physics, Soochow University, Suzhou 215123, China
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9
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Investigating Light-Induced Processes in Covalent Dye-Catalyst Assemblies for Hydrogen Production. Catalysts 2020. [DOI: 10.3390/catal10111340] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
The light-induced processes occurring in two dye-catalyst assemblies for light-driven hydrogen production were investigated by ultrafast transient absorption spectroscopy. These dyads consist of a push-pull organic dye based on a cyclopenta[1,2-b:5,4-b’]dithiophene (CPDT) bridge, covalently linked to two different H2-evolving cobalt catalysts. Whatever the nature of the latter, photoinduced intramolecular electron transfer from the excited state of the dye to the catalytic center was never observed. Instead, and in sharp contrast to the reference dye, a fast intersystem crossing (ISC) populates a long-lived triplet excited state, which in turn non-radiatively decays to the ground state. This study thus shows how the interplay of different structures in a dye-catalyst assembly can lead to unexpected excited state behavior and might open up new possibilities in the area of organic triplet sensitizers. More importantly, a reductive quenching mechanism with an external electron donor must be considered to drive hydrogen production with these dye-catalyst assemblies.
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10
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Kournoutas F, Fihey A, Malval JP, Spangenberg A, Fecková M, le Poul P, Katan C, Robin-le Guen F, Bureš F, Achelle S, Fakis M. Branching effect on the linear and nonlinear optical properties of styrylpyrimidines. Phys Chem Chem Phys 2020; 22:4165-4176. [DOI: 10.1039/c9cp06476a] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The branching effect on the photophysical properties of styrylpyrimidines is studied experimentally and theoretically.
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Affiliation(s)
| | - Arnaud Fihey
- Univ Rennes
- CNRS
- ISCR (Institut des Sciences Chimiques de Rennes) – UMR 6226
- F 35000 Rennes
- France
| | - Jean-Pierre Malval
- Institut de Science des Matériaux de Mulhouse CNRS-UMR 7361
- Université de Haute Alsace
- Mulhouse
- France
| | - Arnaud Spangenberg
- Institut de Science des Matériaux de Mulhouse CNRS-UMR 7361
- Université de Haute Alsace
- Mulhouse
- France
| | - Michaela Fecková
- Univ Rennes
- CNRS
- ISCR (Institut des Sciences Chimiques de Rennes) – UMR 6226
- F 35000 Rennes
- France
| | - Pascal le Poul
- Univ Rennes
- CNRS
- ISCR (Institut des Sciences Chimiques de Rennes) – UMR 6226
- F 35000 Rennes
- France
| | - Claudine Katan
- Univ Rennes
- CNRS
- ISCR (Institut des Sciences Chimiques de Rennes) – UMR 6226
- F 35000 Rennes
- France
| | - Françoise Robin-le Guen
- Univ Rennes
- CNRS
- ISCR (Institut des Sciences Chimiques de Rennes) – UMR 6226
- F 35000 Rennes
- France
| | - Filip Bureš
- Institute of Organic Chemistry and Technology
- Faculty of Chemical Technology
- University of Pardubice
- Pardubice 53210
- Czech Republic
| | - Sylvain Achelle
- Univ Rennes
- CNRS
- ISCR (Institut des Sciences Chimiques de Rennes) – UMR 6226
- F 35000 Rennes
- France
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11
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Mandare N, Shanmugam P, Sundararajan M, Dutta Choudhury S. Unravelling the photophysics of triphenylamine and diphenylamine dyes: a comprehensive investigation with ortho-, meta- and para-amido substituted derivatives. NEW J CHEM 2020. [DOI: 10.1039/d0nj04569a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
This study reveals the intriguing solvent polarity dependent modulations in the photophysics of triphenylamine and diphenylamine based dyes.
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Affiliation(s)
- Narendra Mandare
- Radiation & Photochemistry Division
- Bhabha Atomic Research Centre
- Mumbai 400085
- India
| | - Ponnusamy Shanmugam
- Organic and Bio-Organic Chemistry Division
- CSIR-Central Leather Research Institute
- Chennai-600020
- India
- Professor of Chemistry at the Academy of Scientific and Innovative Research (AcSIR)
| | - Mahesh Sundararajan
- Theoretical Chemistry Section
- Bhabha Atomic Research Centre
- Mumbai 400085
- India
| | - Sharmistha Dutta Choudhury
- Radiation & Photochemistry Division
- Bhabha Atomic Research Centre
- Mumbai 400085
- India
- Homi Bhabha National Institute
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12
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Zhu Y, Ma F, Ma C, Han H, Sun R, Peng H, Xie M. Enhanced dielectric and electrical energy storage capability of polymers with combined azobenzene and triphenylamine side groups by ring-opening metathesis polymerization. POLYMER 2019. [DOI: 10.1016/j.polymer.2019.121886] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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13
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Raikwar MM, Patil DS, Mathew E, Varghese M, Joe IH, Sekar N. Influence of thiophene spacer and auxiliary acceptor on the optical properties of 4-(Diethylamino)-2-hydroxybenzaldehyde based D-π-A-π-D Colorants with N-alkyl donors: Experimental, DFT and Z-scan study. J Photochem Photobiol A Chem 2019. [DOI: 10.1016/j.jphotochem.2018.12.035] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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14
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Patil DS, Avhad KC, Kadam MM, Sekar N. Synthesis of red emitting triphenylamine derived NLOphoric D–π–A molecules: photophysical, and viscosity sensing studies. SN APPLIED SCIENCES 2019. [DOI: 10.1007/s42452-019-0268-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
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15
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Kournoutas F, Seintis K, Karakostas N, Tydlitát J, Achelle S, Pistolis G, Bureš F, Fakis M. Photophysical and Protonation Time Resolved Studies of Donor–Acceptor Branched Systems With Pyridine Acceptors. J Phys Chem A 2018; 123:417-428. [DOI: 10.1021/acs.jpca.8b08628] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Fotis Kournoutas
- Department of Physics, University of Patras, Greece, GR-26504 Patras, Greece
| | - Kostas Seintis
- Department of Physics, University of Patras, Greece, GR-26504 Patras, Greece
| | - Nikolaos Karakostas
- NCSR “Demokritos” Institute of Nanosciences and Nanotechnology (INN), 153 10 Athens, Greece
| | - Jiří Tydlitát
- Institute of Organic Chemistry and Technology, Faculty of Chemical Technology, University of Pardubice, Studentská 573, Pardubice 532 10, Czech Republic
| | - Sylvain Achelle
- University of Rennes CNRS, ISCR (Institut des Sciences Chimiques de Rennes), UMR 6226, F-35000 Rennes, France
| | - George Pistolis
- NCSR “Demokritos” Institute of Nanosciences and Nanotechnology (INN), 153 10 Athens, Greece
| | - Filip Bureš
- Institute of Organic Chemistry and Technology, Faculty of Chemical Technology, University of Pardubice, Studentská 573, Pardubice 532 10, Czech Republic
| | - Mihalis Fakis
- Department of Physics, University of Patras, Greece, GR-26504 Patras, Greece
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16
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Maffeis V, Brisse R, Labet V, Jousselme B, Gustavsson T. Femtosecond Fluorescence Upconversion Study of a Naphthalimide-Bithiophene-Triphenylamine Push-Pull Dye in Solution. J Phys Chem A 2018; 122:5533-5544. [PMID: 29856624 DOI: 10.1021/acs.jpca.8b05177] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
There is a high interest in the development of new push-pull dyes for the use in dye sensitized solar cells. The pronounced charge transfer character of the directly photoexcited state is in principle favorable for a charge injection. Here, we report a time-resolved fluorescence study of a triphenylamine-bithiophene-naphthalimide dye in four solvents of varying polarity using fluorescence upconversion. The recording of femtosecond time-resolved fluorescence spectra corrected for the group velocity dispersion allows for a detailed analysis discriminating between spectral shifts and total intensity decays. After photoexcitation, the directly populated state (S1/FC) evolves toward a relaxed charge transfer state (S1/CT). This S1/CT state is characterized by a lower radiative transition moment and a higher nonradiative quenching. The fast dynamic shift of the fluorescence band is well described by solvation dynamics in polar solvents, but less so in nonpolar solvents, hinting that the excited-state relaxation process occurs on a free energy surface whose topology is strongly governed by the solvent polarity. This study underlines the influence of the environment on the intramolecular charge transfer (ICT) process, and the necessity to analyze time-resolved data in detail when solvation and ICT occur simultaneously.
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Affiliation(s)
- Valentin Maffeis
- LIDYL, CEA, CNRS , Université Paris-Saclay, CEA Saclay , 91191 Gif-sur-Yvette , France.,Laboratory of Innovation in Surface Chemistry and Nanosciences (LICSEN), NIMBE, CEA, CNRS , Université Paris-Saclay , CEA Saclay, 91191 Gif-sur-Yvette Cedex , France
| | - Romain Brisse
- Laboratory of Innovation in Surface Chemistry and Nanosciences (LICSEN), NIMBE, CEA, CNRS , Université Paris-Saclay , CEA Saclay, 91191 Gif-sur-Yvette Cedex , France
| | - Vanessa Labet
- Sorbonne Université , CNRS, De la Molécule aux Nano-objets: Réactivité, Interactions et Spectroscopies , MONARIS, F-75005 Paris , France
| | - Bruno Jousselme
- Laboratory of Innovation in Surface Chemistry and Nanosciences (LICSEN), NIMBE, CEA, CNRS , Université Paris-Saclay , CEA Saclay, 91191 Gif-sur-Yvette Cedex , France
| | - Thomas Gustavsson
- LIDYL, CEA, CNRS , Université Paris-Saclay, CEA Saclay , 91191 Gif-sur-Yvette , France
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17
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Mota AR, Correa JR, de Andrade LP, Assumpção JA, de Souza Cintra GA, Freitas-Junior LH, da Silva WA, de Oliveira HCB, Neto BAD. From Live Cells to Caenorhabditis elegans: Selective Staining and Quantification of Lipid Structures Using a Fluorescent Hybrid Benzothiadiazole Derivative. ACS OMEGA 2018; 3:3874-3881. [PMID: 30023883 PMCID: PMC6044862 DOI: 10.1021/acsomega.8b00434] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 03/26/2018] [Indexed: 06/08/2023]
Abstract
The current article describes the synthesis, characterization, and application of a designed hybrid fluorescent BTD-coumarin (2,1,3-benzothiadiazole-coumarin) derivative (named BTD-Lip). The use of BTD-Lip for live-cells staining showed excellent results, and lipid droplets (LDs) could be selectively stained. When compared with the commercially available dye (BODIPY) for LD staining, it was noted that the designed hybrid fluorescence was capable of staining a considerable larger number of LDs in both live and fixed cells (ca. 40% more). The new dye was also tested on live Caenorhabditis elegans (complex model) and showed an impressive selectivity inside the worm, whereas the commercial dye showed no selectivity in the complex model.
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Affiliation(s)
- Alberto
A. R. Mota
- Laboratory
of Medicinal and Technological Chemistry, University of Brasília (IQ-UnB), Campus Universitário Darcy Ribeiro, P.O. Box 4478, Brasília-DF CEP 70904970, Brazil
| | - Jose R. Correa
- Laboratory
of Medicinal and Technological Chemistry, University of Brasília (IQ-UnB), Campus Universitário Darcy Ribeiro, P.O. Box 4478, Brasília-DF CEP 70904970, Brazil
| | - Lorena P. de Andrade
- Laboratory
of Medicinal and Technological Chemistry, University of Brasília (IQ-UnB), Campus Universitário Darcy Ribeiro, P.O. Box 4478, Brasília-DF CEP 70904970, Brazil
| | - José A.
F. Assumpção
- Laboratory
of Medicinal and Technological Chemistry, University of Brasília (IQ-UnB), Campus Universitário Darcy Ribeiro, P.O. Box 4478, Brasília-DF CEP 70904970, Brazil
| | - Giovana A. de Souza Cintra
- Departamento
de Microbiologia, Instituto de Ciências Biomédicas, Universidade de São Paulo (USP), 05508-900 São
Paulo, São Paulo, Brasil
| | - Lucio H. Freitas-Junior
- Departamento
de Microbiologia, Instituto de Ciências Biomédicas, Universidade de São Paulo (USP), 05508-900 São
Paulo, São Paulo, Brasil
| | - Wender A. da Silva
- Laboratory
of Medicinal and Technological Chemistry, University of Brasília (IQ-UnB), Campus Universitário Darcy Ribeiro, P.O. Box 4478, Brasília-DF CEP 70904970, Brazil
| | - Heibbe C. B. de Oliveira
- Laboratory
of Medicinal and Technological Chemistry, University of Brasília (IQ-UnB), Campus Universitário Darcy Ribeiro, P.O. Box 4478, Brasília-DF CEP 70904970, Brazil
| | - Brenno A. D. Neto
- Laboratory
of Medicinal and Technological Chemistry, University of Brasília (IQ-UnB), Campus Universitário Darcy Ribeiro, P.O. Box 4478, Brasília-DF CEP 70904970, Brazil
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18
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Mastropietro TF, Meringolo C, Poerio T, Scarpelli F, Godbert N, Di Profio G, Fontananova E. Multistimuli Activation of TiO2/α-Alumina Membranes for Degradation of Methylene Blue. Ind Eng Chem Res 2017. [DOI: 10.1021/acs.iecr.7b02778] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Teresa Fina Mastropietro
- National Research Council-Institute for Membrane Technology (ITM−CNR) c/o University of Calabria, cubo 17C, Via Pietro Bucci, 87036 Rende CS, Italy
| | - Carmen Meringolo
- National Research Council-Institute for Membrane Technology (ITM−CNR) c/o University of Calabria, cubo 17C, Via Pietro Bucci, 87036 Rende CS, Italy
| | - Teresa Poerio
- National Research Council-Institute for Membrane Technology (ITM−CNR) c/o University of Calabria, cubo 17C, Via Pietro Bucci, 87036 Rende CS, Italy
| | - Francesca Scarpelli
- MAT-INLAB
(Laboratorio di Materiali Molecolari Inorganici), LASCAMM CR-INSTM,
Unità INSTM della Calabria, Dipartimento di Chimica e Tecnologie
Chimiche, Università della Calabria, I-87036 Arcavacata
di Rende (CS), Italy
| | - Nicolas Godbert
- MAT-INLAB
(Laboratorio di Materiali Molecolari Inorganici), LASCAMM CR-INSTM,
Unità INSTM della Calabria, Dipartimento di Chimica e Tecnologie
Chimiche, Università della Calabria, I-87036 Arcavacata
di Rende (CS), Italy
| | - Gianluca Di Profio
- National Research Council-Institute for Membrane Technology (ITM−CNR) c/o University of Calabria, cubo 17C, Via Pietro Bucci, 87036 Rende CS, Italy
| | - Enrica Fontananova
- National Research Council-Institute for Membrane Technology (ITM−CNR) c/o University of Calabria, cubo 17C, Via Pietro Bucci, 87036 Rende CS, Italy
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19
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Lolage SR, Pawal SB, Chavan SS. Heterobimetallic Cu(I)/Ru(II) Acetylide Bridged Hybrid Complexes Containing Coordination and Organometallic Sites. ChemistrySelect 2017. [DOI: 10.1002/slct.201701764] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Sanjay R. Lolage
- Synthetic Inorganic Chemistry Laboratory; Department of Chemistry; Shivaji University; Kolhapur, (MS 416 004 India
| | - Sandip B. Pawal
- Synthetic Inorganic Chemistry Laboratory; Department of Chemistry; Shivaji University; Kolhapur, (MS 416 004 India
| | - Sanjay S. Chavan
- Synthetic Inorganic Chemistry Laboratory; Department of Chemistry; Shivaji University; Kolhapur, (MS 416 004 India
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20
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Zhong Q, Chen Y, Wang Y, Chi X, Wang Y, Ni M, Zhang H. Dynamic mechanism of relaxation paths occurring in TPA-DCPP: Roles of solvent and temperature. Chem Res Chin Univ 2017. [DOI: 10.1007/s40242-017-6506-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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21
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Ghosh R, Manna B. Comparative photophysics and ultrafast dynamics of dimethylaminochalcone and a structurally rigid derivative: experimental identification of TICT coordinate. Phys Chem Chem Phys 2017; 19:23078-23084. [DOI: 10.1039/c7cp03461j] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Restriction of torsional relaxation and solvent dependent competing photophysical dynamics of free and rigid dimethylaminochalcones were investigated by time resolved spectroscopy.
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Affiliation(s)
- Rajib Ghosh
- Radiation and Photochemistry Division
- Bhabha Atomic Research Centre
- Mumbai 400085
- India
| | - Biswajit Manna
- Radiation and Photochemistry Division
- Bhabha Atomic Research Centre
- Mumbai 400085
- India
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22
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Zhu H, Wang X, Ma R, Kuang Z, Guo Q, Xia A. Intramolecular Charge Transfer and Solvation of Photoactive Molecules with Conjugated Push-Pull Structures. Chemphyschem 2016; 17:3245-3251. [DOI: 10.1002/cphc.201600674] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Indexed: 01/23/2023]
Affiliation(s)
- Huaning Zhu
- Beijing National Laboratory for Molecular Sciences (BNLMS), and; Key Laboratory of Photochemistry, Institute of Chemistry; Chinese Academy of Sciences; Bejing 100190 China
- University of Chinese Academy of Sciences; Bejing 100049 China
| | - Xian Wang
- Beijing National Laboratory for Molecular Sciences (BNLMS), and; Key Laboratory of Photochemistry, Institute of Chemistry; Chinese Academy of Sciences; Bejing 100190 China
- University of Chinese Academy of Sciences; Bejing 100049 China
| | - Renjun Ma
- Beijing National Laboratory for Molecular Sciences (BNLMS), and; Key Laboratory of Photochemistry, Institute of Chemistry; Chinese Academy of Sciences; Bejing 100190 China
- University of Chinese Academy of Sciences; Bejing 100049 China
| | - Zhuoran Kuang
- Beijing National Laboratory for Molecular Sciences (BNLMS), and; Key Laboratory of Photochemistry, Institute of Chemistry; Chinese Academy of Sciences; Bejing 100190 China
- University of Chinese Academy of Sciences; Bejing 100049 China
| | - Qianjin Guo
- Beijing National Laboratory for Molecular Sciences (BNLMS), and; Key Laboratory of Photochemistry, Institute of Chemistry; Chinese Academy of Sciences; Bejing 100190 China
| | - Andong Xia
- Beijing National Laboratory for Molecular Sciences (BNLMS), and; Key Laboratory of Photochemistry, Institute of Chemistry; Chinese Academy of Sciences; Bejing 100190 China
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23
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Derue L, Olivier S, Tondelier D, Maindron T, Geffroy B, Ishow E. All-Solution-Processed Organic Light-Emitting Diodes Based on Photostable Photo-cross-linkable Fluorescent Small Molecules. ACS APPLIED MATERIALS & INTERFACES 2016; 8:16207-17. [PMID: 27280695 DOI: 10.1021/acsami.6b05197] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
We demonstrate herein the fabrication of small molecule-based OLEDs where four organic layers from the hole- to the electron-transporting layers have successively been deposited by using an all-solution process. The key feature of the device relies on a novel photopolymerizable red-emitting material, made of small fluorophores substituted with two acrylate units, and displaying high-quality film-forming properties as well as high emission quantum yield as nondoped thin films. Insoluble emissive layers were obtained upon UV irradiation using low illumination doses, with no further need of postcuring. Very low photodegradation was noticed, giving rise to bright layers with a remarkable surface quality, characterized by a mean RMS roughness as low as 0.7 nm after development. Comparative experiments between solution-processed OLEDs and vacuum-processed OLEDs made of fluorophores with close architectures show external quantum efficiencies in the same range while displaying distinct behaviors in terms of current and power efficiencies. They validate the proof of concept of nondoped solution-processable emissive layers exclusively made of photopolymerized fluorophores, thereby reducing the amount of components and opening the way toward cost-effective fabrication of solution-processed OLED multilayer architectures.
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Affiliation(s)
- Lionel Derue
- LICSEN, NIMBE, CEA, CNRS, Université Paris-Saclay, CEA Saclay , 91191 Gif-sur-Yvette Cedex, France
| | - Simon Olivier
- CEISAM-UMR CNRS 6230, Université de Nantes , 2 rue de la Houssinière, 44322 Nantes, France
- CEA, LETI, MINATEC Campus, Département Optique et Photonique, Laboratoire des Composants pour la Visualisation, Université Grenoble Alpes , 38054 Grenoble Cedex 9, France
| | - Denis Tondelier
- LPICM, CNRS, Ecole Polytechnique, Université Paris Saclay , 91128 Palaiseau, France
| | - Tony Maindron
- CEA, LETI, MINATEC Campus, Département Optique et Photonique, Laboratoire des Composants pour la Visualisation, Université Grenoble Alpes , 38054 Grenoble Cedex 9, France
| | - Bernard Geffroy
- LICSEN, NIMBE, CEA, CNRS, Université Paris-Saclay, CEA Saclay , 91191 Gif-sur-Yvette Cedex, France
| | - Eléna Ishow
- CEISAM-UMR CNRS 6230, Université de Nantes , 2 rue de la Houssinière, 44322 Nantes, France
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24
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Faucon A, Benhelli-Mokrani H, Fleury F, Dubreil L, Hulin P, Nedellec S, Doussineau T, Antoine R, Orlando T, Lascialfari A, Fresnais J, Lartigue L, Ishow E. Tuning the architectural integrity of high-performance magneto-fluorescent core-shell nanoassemblies in cancer cells. J Colloid Interface Sci 2016; 479:139-149. [PMID: 27388127 DOI: 10.1016/j.jcis.2016.06.064] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2016] [Revised: 06/24/2016] [Accepted: 06/27/2016] [Indexed: 01/21/2023]
Abstract
High-density nanoarchitectures, endowed with simultaneous fluorescence and contrast properties for MRI and TEM imaging, have been obtained using a simple self-assembling strategy based on supramolecular interactions between non-doped fluorescent organic nanoparticles (FON) and superparamagnetic nanoparticles. In this way, a high-payload core-shell structure FON@mag has been obtained, protecting the hydrophobic fluorophores from the surroundings as well as from emission quenching by the shell of magnetic nanoparticles. Compared to isolated nanoparticles, maghemite nanoparticles self-assembled as an external shell create large inhomogeneous magnetic field, which causes enhanced transverse relaxivity and exacerbated MRI contrast. The magnetic load of the resulting nanoassemblies is evaluated using magnetic sedimentation and more originally electrospray mass spectrometry. The role of the stabilizing agents (citrate versus polyacrylate anions) revealed to be crucial regarding the cohesion of the resulting high-performance magneto-fluorescent nanoassemblies, which questions their use after cell internalization as nanocarriers or imaging agents for reliable correlative light and electron microcopy.
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Affiliation(s)
- Adrien Faucon
- CEISAM-UMR CNRS 6230, Université de Nantes, 2 rue de la Houssinière, 44322 Nantes, France
| | | | - Fabrice Fleury
- UFIP-UMR CNRS 6204, Université de Nantes, 2 rue de la Houssinière, 44322 Nantes, France
| | - Laurence Dubreil
- Pan Ther-UMR 703, INRA-ONIRIS, Atlanpole-Chanterie, 44307 Nantes, France
| | - Philippe Hulin
- INSERM UMS 016-UMS CNRS 3556, 8 quai Moncousu, 44007 Nantes, France
| | - Steven Nedellec
- INSERM UMS 016-UMS CNRS 3556, 8 quai Moncousu, 44007 Nantes, France
| | - Tristan Doussineau
- Institut Lumière Matière-UMR CNRS 5306, Université de Lyon, 69622 Villeurbanne cedex, France
| | - Rodolphe Antoine
- Institut Lumière Matière-UMR CNRS 5306, Université de Lyon, 69622 Villeurbanne cedex, France
| | - Tomas Orlando
- Department of Physics, Università di Pavia, via Bassi, 27100 Pavia, Italy
| | - Alessandro Lascialfari
- Department of Physics, Università di Pavia, via Bassi, 27100 Pavia, Italy; Department of Physics, Università degli Studi di Milano and INSTM, via Celoria 16, 20133 Milano, Italy
| | - Jérôme Fresnais
- Sorbonne Universités, UPMC Univ. Paris 06, CNRS, Laboratoire PHENIX, 4 place Jussieu, 75005 Paris, France
| | - Lénaïc Lartigue
- CEISAM-UMR CNRS 6230, Université de Nantes, 2 rue de la Houssinière, 44322 Nantes, France
| | - Eléna Ishow
- CEISAM-UMR CNRS 6230, Université de Nantes, 2 rue de la Houssinière, 44322 Nantes, France.
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25
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Nandi A, Ghosh R, Palit DK. Excited state relaxation pathways of 4-dimethylamino-β-nitrostyrene: Effect of solvent polarity and donor–acceptor conjugation. J Photochem Photobiol A Chem 2016. [DOI: 10.1016/j.jphotochem.2016.02.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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26
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Zhu H, Li M, Hu J, Wang X, Jie J, Guo Q, Chen C, Xia A. Ultrafast Investigation of Intramolecular Charge Transfer and Solvation Dynamics of Tetrahydro[5]-helicene-Based Imide Derivatives. Sci Rep 2016; 6:24313. [PMID: 27074814 PMCID: PMC4830958 DOI: 10.1038/srep24313] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Accepted: 03/24/2016] [Indexed: 11/09/2022] Open
Abstract
We report the excited-state intramolecular charge transfer (ICT) characteristics of four tetrahydro[5] helicene-based imide (THHBI) derivatives with various electron-donating substitutes in different polarity of solvents using steady-state, time-resolved transient absorption (TA) spectroscopy. It is found that, the small bathochromic-shift of the absorption spectra but large red shift of the emission spectra for all dyes with increasing solvent polarity indicates the larger dipole moment of the excited state compared to ground state. The results of theoretical calculations exhibit the charge transfer from the terminal donors to helical backbone, which accounts for the degrees of red shift of the emission spectra from different extent of ICT nature. Time-resolved TA spectra recorded as a function of electron-donating substitutes and solvent polarity show the dye with stronger donors (THHBI-PhNPh2) in more polar solvent behaves faster excited-state ICT relaxation, leading to the formation of solvent-stabilized ICT state (ICT' state) from the excited ICT state; The dyes (THHBI-Ph, THHBI-PhCF3 and THHBI-PhOMe) with relative weaker donors show weaker dependence on solvent polarity, and instead of that intersystem crossing (ISC) becomes possible from ICT state to triplet state.
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Affiliation(s)
- Huaning Zhu
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Meng Li
- Key Laboratory of Molecular Recognition and Function, Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Jiangpu Hu
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Xian Wang
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Jialong Jie
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Qianjin Guo
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Chuanfeng Chen
- Key Laboratory of Molecular Recognition and Function, Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Andong Xia
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
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27
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Yi J, Xiong Y, Cheng K, Li M, Chu G, Pu X, Xu T. A Combination of Chemometrics and Quantum Mechanics Methods Applied to Analysis of Femtosecond Transient Absorption Spectrum of Ortho-Nitroaniline. Sci Rep 2016; 6:19364. [PMID: 26781083 PMCID: PMC4726040 DOI: 10.1038/srep19364] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2015] [Accepted: 12/11/2015] [Indexed: 12/19/2022] Open
Abstract
A combination of the advanced chemometrics method with quantum mechanics calculation was for the first time applied to explore a facile yet efficient analysis strategy to thoroughly resolve femtosecond transient absorption spectroscopy of ortho-nitroaniline (ONA), served as a model compound of important nitroaromatics and explosives. The result revealed that the ONA molecule is primarily excited to S3 excited state from the ground state and then ultrafast relaxes to S2 state. The internal conversion from S2 to S1 occurs within 0.9 ps. One intermediate state S* was identified in the intersystem crossing (ISC) process, which is different from the specific upper triplet receiver state proposed in some other nitroaromatics systems. The S1 state decays to the S* one within 6.4 ps and then intersystem crossing to the lowest triplet state within 19.6 ps. T1 was estimated to have a lifetime up to 2 ns. The relatively long S* state and very long-lived T1 one should play a vital role as precursors to various nitroaromatic and explosive photoproducts.
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Affiliation(s)
- Jing Yi
- College of Chemistry, Sichuan University, Chengdu 610064, People's Republic of China
| | - Ying Xiong
- Institute of Chemical Material, China Academy of Engineering Physics (CAEP), Mianyang 621900, People's Republic of China
| | - Kemei Cheng
- Institute of Chemical Material, China Academy of Engineering Physics (CAEP), Mianyang 621900, People's Republic of China
| | - Menglong Li
- College of Chemistry, Sichuan University, Chengdu 610064, People's Republic of China
| | - Genbai Chu
- Science and Technology on Plasma Physics Laboratory, Research Center of Laser Fusion, CAEP, Mianyang 621900, People's Republic of China
| | - Xuemei Pu
- College of Chemistry, Sichuan University, Chengdu 610064, People's Republic of China
| | - Tao Xu
- Institute of Chemical Material, China Academy of Engineering Physics (CAEP), Mianyang 621900, People's Republic of China
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28
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Gudeika D, Sini G, Jankauskas V, Sych G, Grazulevicius JV. Synthesis and properties of the derivatives of triphenylamine and 1,8-naphthalimide with the olefinic linkages between chromophores. RSC Adv 2016. [DOI: 10.1039/c5ra24820e] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Two donor–acceptor type molecules consisting of triphenylamine and 1,8-naphthalimide moieties with the olefinic linkages between chromophores were synthesized by Heck reaction.
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Affiliation(s)
- Dalius Gudeika
- Department of Polymer Chemistry and Technology
- Kaunas University of Technology
- LT-50254 Kaunas
- Lithuania
| | - Gjergji Sini
- Laboratoire de Physicochimie des Polymères et des Interfaces
- EA 2528 Université de Cergy-Pontoise
- 95031 Cergy-Pontoise
- France
| | - Vygintas Jankauskas
- Department of Solid State Electronics
- Vilnius University
- LT-10222 Vilnius
- Lithuania
| | - Galyna Sych
- Department of Polymer Chemistry and Technology
- Kaunas University of Technology
- LT-50254 Kaunas
- Lithuania
| | - Juozas V. Grazulevicius
- Department of Polymer Chemistry and Technology
- Kaunas University of Technology
- LT-50254 Kaunas
- Lithuania
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29
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Faucon A, Benhelli-Mokrani H, Córdova LA, Brulin B, Heymann D, Hulin P, Nedellec S, Ishow E. Are Fluorescent Organic Nanoparticles Relevant Tools for Tracking Cancer Cells or Macrophages? Adv Healthc Mater 2015; 4:2727-34. [PMID: 26548458 DOI: 10.1002/adhm.201500562] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Revised: 08/20/2015] [Indexed: 01/20/2023]
Abstract
Strongly solvatochromic fluorophores are devised, containing alkyl chains and enable to self-assemble as very bright fluorescent organic nanoparticles (FONs) in water (Φf = 0.28). The alkyl chains impart each fluorophore with strongly hydrophobic surroundings, causing distinct emission colors between FONs where the fluorophores are associated, and their disassembled state. Such color change is harnessed to assess the long-term fate of FONs in both cancer cells and monocytes/macrophages. Disintegration of the orange-emitting FONs by monocytes/macrophages is evidenced through the formation of micrometer green-yellowish emitting vesicles. By contrast, cancer cells retain longer the integrity of organic nanoparticles. In both cases, no significant toxicity is detected, making FONs as valuable bioimaging agents for cell tracking with weak risks of deleterious accumulation and low degradation rate.
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Affiliation(s)
- Adrien Faucon
- CEISAM-UMR CNRS 6230; Université de Nantes; 2 rue de la Houssinière 44322 Nantes France
| | | | - Luis A. Córdova
- Department of Oral and Maxillofacial Surgery; San Borja Arriaran University Hospital-Faculty of Dentistry; University of Chile-CONICYT; Sergio Livingstone Polhammer 943 8380000 Santiago Chile
- INSERM, UMR957, Equipe Ligue 2012, Université de Nantes; Faculté de Médecine; 1 rue Gaston Veil 44035 Nantes France
| | - Bénédicte Brulin
- INSERM, UMR957, Equipe Ligue 2012, Université de Nantes; Faculté de Médecine; 1 rue Gaston Veil 44035 Nantes France
| | - Dominique Heymann
- INSERM, UMR957, Equipe Ligue 2012, Université de Nantes; Faculté de Médecine; 1 rue Gaston Veil 44035 Nantes France
| | - Philippe Hulin
- INSERM UMS 016-UMS CNRS 3556; 8 quai Moncousu 44007 Nantes France
| | - Steven Nedellec
- INSERM UMS 016-UMS CNRS 3556; 8 quai Moncousu 44007 Nantes France
| | - Eléna Ishow
- CEISAM-UMR CNRS 6230; Université de Nantes; 2 rue de la Houssinière 44322 Nantes France
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30
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Moreno J, Dobryakov AL, Ioffe IN, Granovsky AA, Hecht S, Kovalenko SA. Broadband transient absorption spectroscopy with 1- and 2-photon excitations: Relaxation paths and cross sections of a triphenylamine dye in solution. J Chem Phys 2015; 143:024311. [DOI: 10.1063/1.4926574] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Affiliation(s)
- J. Moreno
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-St. 2, 12489 Berlin, Germany
| | - A. L. Dobryakov
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-St. 2, 12489 Berlin, Germany
| | - I. N. Ioffe
- Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia
| | | | - S. Hecht
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-St. 2, 12489 Berlin, Germany
| | - S. A. Kovalenko
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-St. 2, 12489 Berlin, Germany
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31
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Achelle S, Barsella A, Caro B, Robin-le Guen F. Donor–linker–acceptor (D–π–A) diazine chromophores with extended π-conjugated cores: synthesis, photophysical and second order nonlinear optical properties. RSC Adv 2015. [DOI: 10.1039/c5ra05736a] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
The synthesis, photophysical properties and second order non-linear optical response of a series of push–pull pyrimidine and quinoxaline chromophores with extended π-conjugated cores are reported.
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Affiliation(s)
- Sylvain Achelle
- Institut des Sciences Chimiques de Rennes UMR CNRS 6226
- IUT de Lannion
- F22302 Lannion Cedex
- France
| | - Alberto Barsella
- Département d'Optique ultra-rapide et Nanophotonique
- IPCMS-CNRS
- 67034 Strasbourg Cedex 2
- France
| | - Bertrand Caro
- Institut des Sciences Chimiques de Rennes UMR CNRS 6226
- IUT de Lannion
- F22302 Lannion Cedex
- France
| | - Françoise Robin-le Guen
- Institut des Sciences Chimiques de Rennes UMR CNRS 6226
- IUT de Lannion
- F22302 Lannion Cedex
- France
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32
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Matsui Y, Kido T, Ohta E, Ikeda H. The "excited state C-C bond cleavage-luminescence" phenomenon of a biphenyl-substituted methylenecyclopropane triggered by intermolecular energy transfer from triplet benzophenone. Chem Commun (Camb) 2014; 50:13963-6. [PMID: 25267075 DOI: 10.1039/c4cc06847e] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Existence of the "excited state C-C bond cleavage-luminescence" phenomenon was demonstrated by utilizing intermolecular energy transfer from the excited-triplet benzophenone to 2,2-di(4-biphenylyl)-1-methylenecyclopropane (3). An excellent linear relationship between the intensity of the excitation laser light and that of luminescence clearly shows that formation of the corresponding excited trimethylenemethane biradical (3)4˙˙* proceeds via a one-photon route.
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Affiliation(s)
- Yasunori Matsui
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan.
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33
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Vivas MG, Silva DL, Malinge J, Boujtita M, Zaleśny R, Bartkowiak W, Ågren H, Canuto S, De Boni L, Ishow E, Mendonca CR. Molecular structure-optical property relationships for a series of non-centrosymmetric two-photon absorbing push-pull triarylamine molecules. Sci Rep 2014; 4:4447. [PMID: 24658327 PMCID: PMC3963076 DOI: 10.1038/srep04447] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Accepted: 03/07/2014] [Indexed: 12/31/2022] Open
Abstract
This article reports on a comprehensive study of the two-photon absorption (2PA) properties of six novel push-pull octupolar triarylamine compounds as a function of the nature of the electron-withdrawing groups. These compounds present an octupolar structure consisting of a triarylamine core bearing two 3,3′-bis(trifluoromethyl)phenyl arms and a third group with varying electron-withdrawing strength (H < CN < CHO < NO2 < Cyet < Vin). The 2PA cross-sections, measured by using the femtosecond open-aperture Z-scan technique, showed significant enhancement from 45 up to 125 GM for the lowest energy band and from 95 up to 270 GM for the highest energy band. The results were elucidated based on the large changes in the transition and permanent dipole moments and in terms of (i) EWG strength, (ii) degree of donor-acceptor charge transfer and (iii) electronic coupling between the arms. The 2PA results were eventually supported and confronted with theoretical DFT calculations of the two-photon transition oscillator strengths.
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Affiliation(s)
- Marcelo G Vivas
- 1] Instituto de Física de São Carlos, Universidade de São Paulo, Caixa Postal 369, 13560-970 São Carlos, SP, Brazil [2] Instituto de Ciência e Tecnologia, Universidade Federal de Alfenas, Cidade Universitária - BR 267 Km 533, 37715-400 Poços de Caldas, MG, Brazil
| | - Daniel L Silva
- 1] Instituto de Física, Universidade de São Paulo, CP 66318, 05314-970, São Paulo, SP, Brazil [2] Departamento de Ciências da Natureza, Matemática e Educação, Universidade Federal de São Carlos, Rod. Anhanguera - Km 174, 13600-970 Araras, SP, Brazil
| | - Jérémy Malinge
- PPSM-UMR CNRS 8531, ENS Cachan, 61 avenue du Président Wilson, 94235 Cachan, France
| | - Mohammed Boujtita
- CEISAM-UMR CNRS 6230, Université de Nantes, 2 rue de la Houssinière, 44322 Nantes, France
| | - Robert Zaleśny
- Theoretical Chemistry Group, Institute of Physical and Theoretical Chemistry, Wroclaw University of Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Wojciech Bartkowiak
- Theoretical Chemistry Group, Institute of Physical and Theoretical Chemistry, Wroclaw University of Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Hans Ågren
- Department of Theoretical Chemistry and Biology, School of Biotechnology, Royal Institute of Technology, SE-106 91 Stockholm, Sweden
| | - Sylvio Canuto
- Instituto de Física, Universidade de São Paulo, CP 66318, 05314-970, São Paulo, SP, Brazil
| | - Leonardo De Boni
- Instituto de Física de São Carlos, Universidade de São Paulo, Caixa Postal 369, 13560-970 São Carlos, SP, Brazil
| | - Eléna Ishow
- 1] PPSM-UMR CNRS 8531, ENS Cachan, 61 avenue du Président Wilson, 94235 Cachan, France [2] CEISAM-UMR CNRS 6230, Université de Nantes, 2 rue de la Houssinière, 44322 Nantes, France
| | - Cleber R Mendonca
- Instituto de Física de São Carlos, Universidade de São Paulo, Caixa Postal 369, 13560-970 São Carlos, SP, Brazil
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34
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Maniam S, Higginbotham HF, Guo SX, Bell TDM, Izgorodina EI, Langford SJ. A Redox Switchable Dihydrobenzo[b]pyrazine Push-Pull System. ASIAN J ORG CHEM 2014. [DOI: 10.1002/ajoc.201402015] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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35
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Quinton C, Alain-Rizzo V, Dumas-Verdes C, Miomandre F, Clavier G, Audebert P. Redox-controlled fluorescence modulation (electrofluorochromism) in triphenylamine derivatives. RSC Adv 2014. [DOI: 10.1039/c4ra02675f] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The study of the chemical and electrochemical fluorescence switching properties of a family of substituted triphenylamine derivatives is reported.
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36
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Zhou M, Long S, Wan X, Li Y, Niu Y, Guo Q, Wang QM, Xia A. Ultrafast relaxation dynamics of phosphine-protected, rod-shaped Au20 clusters: interplay between solvation and surface trapping. Phys Chem Chem Phys 2014; 16:18288-93. [DOI: 10.1039/c4cp02336f] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Excited-state intramolecular charge transfer dynanmics and coherent oscillation of ligand-protected rod shaped Au20 clusters were modulated through the competition between solvation and surface trapping.
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Affiliation(s)
- Meng Zhou
- The State Key Laboratory of Molecular Reaction Dynamics
- and Beijing National Laboratory for Molecular Sciences (BNLMS)
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190, China
| | - Saran Long
- The State Key Laboratory of Molecular Reaction Dynamics
- and Beijing National Laboratory for Molecular Sciences (BNLMS)
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190, China
| | - Xiankai Wan
- State Key Laboratory of Physical Chemistry of Solid Surfaces
- Department of Chemistry
- College of Chemistry and Chemical Engineering
- Xiamen University
- Xiamen, China
| | - Yang Li
- The State Key Laboratory of Molecular Reaction Dynamics
- and Beijing National Laboratory for Molecular Sciences (BNLMS)
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190, China
| | - Yingli Niu
- The State Key Laboratory of Molecular Reaction Dynamics
- and Beijing National Laboratory for Molecular Sciences (BNLMS)
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190, China
| | - Qianjin Guo
- The State Key Laboratory of Molecular Reaction Dynamics
- and Beijing National Laboratory for Molecular Sciences (BNLMS)
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190, China
| | - Quan-Ming Wang
- State Key Laboratory of Physical Chemistry of Solid Surfaces
- Department of Chemistry
- College of Chemistry and Chemical Engineering
- Xiamen University
- Xiamen, China
| | - Andong Xia
- The State Key Laboratory of Molecular Reaction Dynamics
- and Beijing National Laboratory for Molecular Sciences (BNLMS)
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190, China
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37
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Easwaramoorthi S, Thamaraiselvi P, Duraimurugan K, Beneto AJ, Siva A, Nair BU. Charge instability of symmetry broken dipolar states in quadrupolar and octupolar triphenylamine derivatives. Chem Commun (Camb) 2014; 50:6902-5. [DOI: 10.1039/c3cc47514j] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The quadrupolar and octupolar cyano triphenylamines shows symmetry broken dipolar charge transfer state, however, the thus formed state is distinctly different from that of its dipolar analogue.
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Affiliation(s)
- Shanmugam Easwaramoorthi
- Chemical Laboratory
- CSIR-Central Leather Research Institute
- Chennai, India
- CSIR-Network of Institutes for Solar Energy (NISE)
- India
| | | | | | | | - Ayyanar Siva
- Department of Inorganic Chemistry
- Madurai Kamaraj University
- Madurai, India
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