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Relevant bibliographies by topics / Anthracene crystals – Fluorescence

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Academic literature on the topic 'Anthracene crystals – Fluorescence'

Author: Grafiati

Published: 4 June 2021

Last updated: 3 February 2022

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Journal articles on the topic "Anthracene crystals – Fluorescence"

1

Becker, H., L. Hansen, BW Skelton, and AH White. "(E)-1-(9-Anthryl)-2-(10-methyl-9-anthryl)ethene: Molecular Structure and Spectroscopic Properties." Australian Journal of Chemistry 38, no. 5 (1985): 809. http://dx.doi.org/10.1071/ch9850809.

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(E)-1-(9-Anthryl)-2-(10-methyl-9-anthryl) ethelle has been synthesized from 10-methyl-9-anthraldehyde and (9-anthrylmethyl) triphenylphosphonium bromide, and its crystal structure has been determined by X-ray diffraction. Its molecular geometry was found to be such as to have the planes of the two anthracene moieties form an angle of 70.8°, the plane of the ethene bond bring twisted out of the planes of the anthracenes by an angle of about 55°. The intermolecular arrangement of parallel adjacent molecules in the crystal lattice is characterized by shifts about the short and long axes of the anthracenes. The excimer-like crystal fluorescence is attributed to the interplanar distance of 3.5 Ǻ between anthracene π- systems in parallel adjacent molecules. Crystals are triclinic, Pī , a 12.95(1), b 9.316(6), c 9.098(9) Ǻ, α 86.17(7), β 72.26(7), γ 74.61(6)°,Z 2; R was 0.054 for 1059 independent 'observed' reflections.

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2

Cotrait, M., P. Marsau, L. Kessab, S. Grelier, A. Nourmamode, and A. Castellan. "Studies on Aromatic Trichromophore Systems Incorporating Anthracene Moieties. II. Crystal Structures of 2-(9-Anthryl)-1-(9-anthrylmethyl)ethyl 2-(9-Phenanthryl)-ethyl Succinate (A2PHEN) and 2-(9-Anthryl)-1-(9-anthrylmethyl)ethyl Methyl Succinate (A2SC) and Their Fluorescence in the Solid State." Australian Journal of Chemistry 47, no. 3 (1994): 423. http://dx.doi.org/10.1071/ch9940423.

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The structures of 2-(9-anthryl)-1-(9-anthrylmethyl)ethyl 2-(9-phenanthryl)ethyl succinate (A2PHEN) and 2-(9-anthryl)-1-(9-anthrylmethyl)ethyl methyl succinate (A2SC) have been determined by X-ray diffraction, and the molecular fluorescence of the crystals has been established. The two crystals are monoclinic. A2PHEN: C 2/c, a 39.47(1), b 9.718(2), c 19.924(8) Ǻ; β 97.81(3)°; R 0.036 for 2903 unique reflections. A2SC: P 21/c, a 16.248(2), b 10.325(2), c 18.052(2) Ǻ. β 114.20(3)°; R 0.044 for 2586 unique reflections. For both structures, the bisanthracene moiety and a large part of the ester chain show similar conformations. The crystal cohesion is due to intermolecular π overlapping between one of the anthracene components of the bichromophore moiety and to numerous van der Waals interactions. No intramolecular interactions between the phenanthrene and the anthracene moieties are observed in A2PHEN. The fluorescence emissions of A2PHEN and A2SC are of excimer type, and correlate well with the intermolecular interactions between the anthracene rings.

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3

Dreger, Z. A., H. Lucas, and Y. M. Gupta. "High-Pressure Effects on Fluorescence of Anthracene Crystals." Journal of Physical Chemistry B 107, no. 35 (September 2003): 9268–74. http://dx.doi.org/10.1021/jp030505m.

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4

Sugiyama, Haruki, Kohei Johmoto, Hidehiro Uekusa, Yuji Kikuchi, Hiroki Takahagi, Kosuke Ono, and Nobuharu Iwasawa. "Guest-induced fluorescence property of macrocyclic boronic ester." Acta Crystallographica Section A Foundations and Advances 70, a1 (August 5, 2014): C672. http://dx.doi.org/10.1107/s2053273314093279.

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Macrocyclic boronic esters (1) are obtained as a self-assembled molecule by condensation reaction between rac-tetrol (2) and 1,4-naphthalenediboronic acid (3) in the presence of toluene molecule [1]. In the crystal, this macrocyclic molecules form a charasteristic one dimensional channel structure that accommodates various small molecules. Interestingly, reversible desorption / absorption phenomena of guest molecules is observed without significant crystal packing change, meaning this crystal may have guest storage, separation, and catalytic abilities. In the course of exploring further functional aspects of the molecule, we give fluorescence property to this crystal by inclusion of acene molecules into this robust one dimensional channel structure. Naphthalene inclusion crystal was obtained by the diffusion method. The crystal structure is isostructural to known crystals, that is, a naphthalene molecule is included in a channel and sandwiched by two naphthalene moieties of the macrocyclic molecule (inter planar distance is about 3.6 angstrom). Under UV light, a blue color fluorescence observed in this crystal, suggesting the guest naphthalene molecule contributes the fluorescence property. After heating by 200 degrees C, the naphthalene was released to leave isostructural apohost crystal without fluorescence property. However, by naphthalene vapor exposure to the apohost crystal, the fluorescence property was recovered, which means naphthalene desorption and absorption are possible in crystalline state. Moreover Anthracene and Tetracene inclusion crystal were obtained, and they also showed light blue and yellow color fluorescence under UV light, respectively. Thus, the fluorescence function was successfully realized by inclusion of acene molecule in the one dimensional channel of the crystals, and furthermore the fluorescent color can be controlled by changing acene molecules.

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5

Hasegawa, Tetsuya, Kei Ohkubo, Ichiro Hisaki, Mikiji Miyata, Norimitsu Tohnai, and Shunichi Fukuzumi. "Photoinduced electron transfer in porous organic salt crystals impregnated with fullerenes." Chem. Commun. 52, no. 51 (2016): 7928–31. http://dx.doi.org/10.1039/c6cc02377k.

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Porous organic salt (POS) crystals composed of 9-(4-sulfophenyl)anthracene and triphenylmethylamine were impregnated with fullerenes (C₆₀ and C₇₀), resulting in fluorescence quenching by photoinduced electron transfer.

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6

Moliterni, Anna, Davide Altamura, Rocco Lassandro, Vincent Olieric, Gianmarco Ferri, Francesco Cardarelli, Andrea Camposeo, Dario Pisignano, John E. Anthony, and Cinzia Giannini. "Synthesis, crystal structure, polymorphism and microscopic luminescence properties of anthracene derivative compounds." Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials 76, no. 3 (May 16, 2020): 427–35. http://dx.doi.org/10.1107/s2052520620004424.

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Anthracene derivative compounds are currently investigated because of their unique physical properties (e.g. bright luminescence and emission tunability), which make them ideal candidates for advanced optoelectronic devices. Intermolecular interactions are the basis of the tunability of the optical and electronic properties of these compounds, whose prediction and exploitation benefit from knowledge of the crystal structure and the packing architecture. Polymorphism can occur due to the weak intermolecular interactions, requiring detailed structural analysis to clarify the origin of observed material property modifications. Here, two silylethyne-substituted anthracene compounds are characterized by single-crystal synchrotron X-ray diffraction, identifying a new polymorph in the process. Additionally, laser confocal microscopy and fluorescence lifetime imaging microscopy confirm the results obtained by the X-ray diffraction characterization, i.e. shifting the substituents towards the external benzene rings of the anthracene unit favours π–π interactions, impacting on both the morphology and the microscopic optical properties of the crystals. The compounds with more isolated anthracene units feature shorter lifetime and emission spectra, more similar to those of isolated molecules. The crystallographic study, supported by the optical investigation, sheds light on the influence of non-covalent interactions on the crystal packing and luminescence properties of anthracene derivatives, providing a further step towards their efficient use as building blocks in active components of light sources and photonic networks.

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7

Valera Palacios, Aníbal, Miguel Melchor Vivanco, and Miguel Ángel Mosquera Molina. "CRISTALES ORGÁNICOS LASER: ANTRACENO." Revista Cientifica TECNIA 19, no. 1 (May 8, 2017): 13. http://dx.doi.org/10.21754/tecnia.v19i1.109.

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En esta contribución se presenta la técnica de elaboración de cristales orgánicos por el método de sublimación aplicado al caso particular de Antraceno. Se presentan asimismo los últimos resultados experimentales obtenidos en nuestro Laboratorio con los monocristales de Antraceno: A) Luminiscencia a temperatura ambiente. Los cristales fueron sometidos a irradiancia UV-Vis frontal, obteniéndose la transmitancia frontal y la fluorescencia de canto (wave guide emisión). Como resultado de estas medidas se identifica un cuasigap de 3.11 eV (398 nm) y bandas de emisión a niveles vibronicos en 3.08, 2.92, 2.79 y 2.61 eV. B) Conversión Fotovoltaica. Se construyó la unión fotovoltaica Antraceno / oxido de estaño (Ant / TO), determinándose experimentalmente la eficiencia espectral quántica del sistema, así como el modelo teórico energético correspondiente. Palabras clave.-.- Antraceno, Eficiencia cuántica, Conversión fotovoltaica. ABSTRACTIn this contribution are shown organic crystals obtained by the sublimation method and the latest experimental results obtained with the Anthracene monocrystals: A) Luminescence at room temperature. The Anthracene crystals were subjected to frontal UV-Vis irradiance, obtaining the frontal transmittance and the edge Fluorescence (wave guide emission) at room temperature. As a result of this measurements we identified a “quasigap” of 3.11eV (398 nm) and emission bands in 3.08, 2.92, 2.79 and 2.61 eV. B) Photovoltaic conversion. We constructed photovoltaic junctions Anthracene / Tin oxide (Ant / TO). We determined experimentally the quantum spectral efficiency of the system and the corresponding theoretical band energy diagram. Keywords.- Anthracene, Quantum efficiency, Photovoltaic conversion.

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8

Ahmad-bitar, Riyad N., Basim R. Bulos, Isam R. Hassan, and Mahmud H. Jomah. "Temperature and Wavelength Dependence of the Fluorescence Lifetime of Anthracene Crystals." Japanese Journal of Applied Physics 25, Part 1, No. 4 (April 20, 1986): 583–85. http://dx.doi.org/10.1143/jjap.25.583.

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9

Kol’chenko, M. A. "Intersystem Crossing Mechanisms and Single Molecule Fluorescence: Terrylene in Anthracene Crystals." Optics and Spectroscopy 98, no. 5 (2005): 681. http://dx.doi.org/10.1134/1.1929053.

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10

Mitani, Tadaoki, Takaya Yamanaka, Mitsukazu Suzui, Toshio Horigome, Kazuo Hayakawa, and Iwao Yamazaki. "Time-resolved synchrotron spectroscopy of exciton fluorescence in anthracene single crystals." Journal of Luminescence 39, no. 6 (May 1988): 313–22. http://dx.doi.org/10.1016/0022-2313(88)90012-9.

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Dissertations / Theses on the topic "Anthracene crystals – Fluorescence"

1

Semyonov, Alexander N. "Design, Synthesis and Characterization of Fluorescent Dyes and Liquid Crystal Semiconductors." Kent State University / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=kent1153556141.

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Book chapters on the topic "Anthracene crystals – Fluorescence"

1

Huston, A. L., B. L. Justus, and A. J. Campillo. "Spectral Shifts in the Fluorescence of Anthracene and Lifetime Changes in Crystal Violet Under Laser Driven Shock Compression: Probes of Pressure and Viscosity." In Shock Waves in Condensed Matter, 243–48. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4613-2207-8_31.

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