Academic literature on the topic 'Photochromic molecules'

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Journal articles on the topic "Photochromic molecules"

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Rawat, M. S. M., Sudagar Mal, and Pramod Singh. "Photochromism in Anils - A Review." Open Chemistry Journal 2, no. 1 (2015): 7–19. http://dx.doi.org/10.2174/1874842201502010007.

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This review describes in brief the historical perspective of photochromism and photochromic behaviour of ‘Anils’. This phenomenon among ‘Anils’ is exhibited due to the tautomerism between enol and keto form via six membered hydrogen transfer between the phenolic hydrogen and imine nitrogen and show the phenomenon of solid-state photochromism and thermochromism and photochromism in rigid glassy solutions as well. Photochromic property in ‘Anils’ is a characteristic of the molecule, but their chromo behaviour is not only influenced by the crystal structure of anils but also by the substituents i
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Johmoto, Kohei, Hidehiro Uekusa, Yuji Kikuchi, Hiroki Takahagi, Kosuke Ono, and Nobuharu Iwasawa. "Photochromism change by conformation control in macrocyclic boronic ester cavity." Acta Crystallographica Section A Foundations and Advances 70, a1 (2014): C654. http://dx.doi.org/10.1107/s2053273314093450.

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N-salicylideneaniline derivatives are known to show photochromism by UV light, and it depends on the molecular conformation in the crystal. The twisted molecule is photochromic but the planar one is not[1,2]. N-salicylidene-2-aminopyridine (2SAP) always has a planar conformation due to the chemical structure without steric hindrance, therefore 2SAP is known as non-photochromic. However, by confining the molecule in a cavity of the macrocyclic boronic ester 1[3], the conformation and photochromism can be controlled. The inclusion crystal of 1 (homo-parallel form) has a special feature to have a
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Li, Xue, Cong Bin Fan, and Gang Liu. "Photochromism and Optical Recording of a Novel Diarylethene Bearing Phenanthrene Unit." Advanced Materials Research 763 (September 2013): 79–83. http://dx.doi.org/10.4028/www.scientific.net/amr.763.79.

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Photochromic molecules are part of a large class of materials in which light stimulus not only induces a color variation but also affects other physicochemical properties. In the paper, an asymmetrical photochromic diarylethene, 1-(2,4-dimethyl-3-thiazole)-2-[2-methyl-5-(10-phenanthrenyl)-3-thienyPerfluorocyclopentene was synthesized and its photochromic and fluorescent properties were systematically investigated. The compound exhibited remarkable photochromic, changing from colorless to OrangeRed after irradiation with UV light both in solution and in PMMA film. In addition, its fluorescence
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Li, Xu. "Organic Photochromic Radical Compound Based on a Biindenylidene System." Journal of Chemical Research 2008, no. 10 (2008): 598–600. http://dx.doi.org/10.3184/030823408x360300.

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A novel dual functional biindenylidene derivative (4) having nitronyl nitroxide radicals on both sides of the molecules, was synthesised. Its photochromism, as well as magnetic properties were investigated. The compound 4 underwent photochromic reactions by irradiation with UV and visible light. The intermolecular magnetic interactions were measured with a SQUID susceptometer.
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Schedel, Christine, Heiko Peisert, Thomas Chassé, and Marcus Scheele. "Evidence for Photo-Switchable Carrier Mobilities in Blends of PbS Nanocrystals and Photochromic Dithienylcyclopentene Derivatives." Zeitschrift für Physikalische Chemie 232, no. 9-11 (2018): 1369–81. http://dx.doi.org/10.1515/zpch-2018-1128.

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Abstract We use derivatives of the photochromic molecule 1,2-bis(5′-carboxy-2′-methylthien-3′-yl)-cyclopentene in combination with semiconducting PbS nanocrystals to probe the feasibility of solid-state optical switching in hybrid nanostructured thin films. X-ray photoelectron spectroscopy is applied to differentiate between the different constituents in the blends, while field-effect transistor measurements in the dark reveal the effect of prior illumination with visible or ultra-violet light on the transport properties. By analyzing the response of the electric conductivity, the carrier conc
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Wu, Zhongtao, and Lei Zhang. "Photoregulation between small DNAs and reversible photochromic molecules." Biomaterials Science 7, no. 12 (2019): 4944–62. http://dx.doi.org/10.1039/c9bm01305a.

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Wang, Leyu, Tao Yu, Zongliang Xie, et al. "Gated photochromic molecules with AIEgen: turn-on the photochromism with an oxidation reagent." RSC Advances 8, no. 33 (2018): 18613–18. http://dx.doi.org/10.1039/c8ra02828a.

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Huang, Xianhui, and Tao Li. "Recent progress in the development of molecular-scale electronics based on photoswitchable molecules." Journal of Materials Chemistry C 8, no. 3 (2020): 821–48. http://dx.doi.org/10.1039/c9tc06054e.

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Maier, Johannes, Martti Pärs, Tina Weller, Mukundan Thelakkat, and Jürgen Köhler. "Switching or blinking? – The switching behaviour of single photochromic triads." EPJ Web of Conferences 190 (2018): 04014. http://dx.doi.org/10.1051/epjconf/201819004014.

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Photochromic molecules can be interconverted between two bistable conformations by light [1–3]. Irie and coworkers described a strategy to achieve superior fluorescence characteristics and outstanding switching characteristics of a photochromic unit by linking strong fluorophores covalently to photochromic building blocks [3,4]. Accordingly, we synthesised molecular triads that consist of two perylene bisimide (PBI) fluorophores covalently linked to a dithienylcyclopentene (DCP) photochromic switch, see fig. 1. Such kinds of triads are promising candidates for super-resolution microscopy like
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Tsujioka, Tsuyoshi, and Masahiro Irie. "Electrical functions of photochromic molecules." Journal of Photochemistry and Photobiology C: Photochemistry Reviews 11, no. 1 (2010): 1–14. http://dx.doi.org/10.1016/j.jphotochemrev.2010.02.001.

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Dissertations / Theses on the topic "Photochromic molecules"

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Tai, Feng-i. "Photochromic molecules in polymer switch diodes." Thesis, Linköping University, Department of Science and Technology, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-6810.

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<p>Photochromism has been investigated extensively during recent years. The large interest for information storage in memory applications is associated with the bi-stable character of the photochromism phenomena. In molecular photochromics, two isomers with different absorption spectrum can be obtained according to the specific wavelength of the light exposure. This reversible transformation process can be considered as optical writing/erasing step of a memory.</p><p>Here we first report the absorption spectra of solid-state films based on the blends consisting of PC molecules, the spirooxazin
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Tai, Feng-I. "Photochromic molecules in polymer switch diodes." Thesis, Linköpings universitet, Institutionen för teknik och naturvetenskap, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-6810.

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Photochromism has been investigated extensively during recent years. The large interest for information storage in memory applications is associated with the bi-stable character of the photochromism phenomena. In molecular photochromics, two isomers with different absorption spectrum can be obtained according to the specific wavelength of the light exposure. This reversible transformation process can be considered as optical writing/erasing step of a memory. Here we first report the absorption spectra of solid-state films based on the blends consisting of PC molecules, the spirooxazine 1,3-dih
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Wojtyk, James Taras Ché. "Studies of organic photochromic and photoconductive dye molecules." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0005/NQ42989.pdf.

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Nickel, Fabian [Verfasser]. "Switching of Photochromic Molecules on Surfaces / Fabian Nickel." Berlin : Freie Universität Berlin, 2018. http://d-nb.info/1176638432/34.

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Wiedemann, Ulrich [Verfasser]. "Control of photochromic molecules adsorbed to optical microfibres / Ulrich Wiedemann." Bonn : Universitäts- und Landesbibliothek Bonn, 2012. http://d-nb.info/104391076X/34.

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Wiebeler, Christian [Verfasser]. "Photophysics and photochemistry of conjugated systems and photochromic molecules / Christian Wiebeler." Paderborn : Universitätsbibliothek, 2015. http://d-nb.info/1073201570/34.

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Sakano, Takeshi. "Application of Photochromic Molecules to Electric Circuit as Photo-Controlling Conductance Switches." 京都大学 (Kyoto University), 2012. http://hdl.handle.net/2433/157617.

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Scoffin, Robert A. "New materials for optical information storage." Thesis, University of Oxford, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365756.

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Hagen, Sebastian [Verfasser]. "Isomerization behavior of photochromic molecules in direct contact with noble metal surfaces / Sebastian Hagen." Berlin : Freie Universität Berlin, 2009. http://d-nb.info/1023664682/34.

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Leydecker, Tim. "Multiresponsive and supramolecular field-effect transistors." Thesis, Strasbourg, 2015. http://www.theses.fr/2015STRAF056/document.

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Cette thèse a exploré comment, en mélangeant des matériaux avec des propriétés électriques différentes, il est possible de fabriquer des transistors avec des performances accrues. Des transistors organiques à effet de champ basés sur un oligothiophène (DH4T) ont été fabriqués et optimisés jusqu’à ce que les mobilités mesurées fussent supérieures à celles observées dans des films évaporés. Ces résultats ont été obtenus par le contrôle précis des interfaces et de la vitesse d’évaporation. Des polymères de type p ont été mélangés à des polymères de type n. Chaque solution obtenue a été utilisée p
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Books on the topic "Photochromic molecules"

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Heinz, Dürr, and Bouas-Laurent Henri, eds. Photochromism: Molecules and systems. Elsevier, 2003.

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(Editor), Heinz Dürr, and Henri Bouas-Laurent (Editor), eds. Photochromism: Molecules and Systems. Elsevier Science, 2003.

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Heinz, Dürr, and Bouas-Laurent Henri, eds. Photochromism: Molecules and systems. Elsevier, 1990.

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Durr, Heinz, and Henri Bouas-Laurent. Photochromism: Molecules and Systems (Studies in Organic Chemistry). Elsevier Publishing Company, 1990.

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(Editor), Andras Der, and Lajos Keszthelyi (Editor), eds. Bioelectronic Applications of Photochromic Pigments (Nato Science Series I: Life and Behavioural Sciences). Ios Pr Inc, 2001.

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Book chapters on the topic "Photochromic molecules"

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Nakatani, Keitaro, Jonathan Piard, Pei Yu, and Rémi Métivier. "Introduction: Organic Photochromic Molecules." In Photochromic Materials: Preparation, Properties and Applications. Wiley-VCH Verlag GmbH & Co. KGaA, 2016. http://dx.doi.org/10.1002/9783527683734.ch1.

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Nešpůrek, S., P. Toman, J. Sworakowski, and J. Lipiński. "Photochromic Molecules as Control Units in Molecular Switches." In Molecular Low Dimensional and Nanostructured Materials for Advanced Applications. Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-010-0349-0_4.

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Kawai, Tsuyoshi. "Photosynergetic Enhancement of Photosensitivity of Photochromic Terarylenes." In Photosynergetic Responses in Molecules and Molecular Aggregates. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5451-3_14.

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Yokoyama, Yasushi. "Creation of Molecularly Integrated Multi-responsive Photochromic Systems." In Photosynergetic Responses in Molecules and Molecular Aggregates. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5451-3_15.

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Fukaminato, Tuyoshi, Sanae Ishida, Jia Su, Keitaro Nakatani, and Rémi Métivier. "Giant Amplification of Fluorescence Quenching in Photochromic Nanoparticles and Crystals." In Photosynergetic Responses in Molecules and Molecular Aggregates. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5451-3_21.

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Tylli, H., I. ForsskÅhl, and C. Olkkonen. "The Photochromic Behaviour of Cellulose Studied by Fluorescence Spectroscopy." In Spectroscopy of Biological Molecules: Modern Trends. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5622-6_129.

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Yanai, Takeshi. "Advanced Electronic Structure Theory for High-Accuracy Prediction of Higher Excited States and Its Application to Photochromic Molecules." In Photosynergetic Responses in Molecules and Molecular Aggregates. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5451-3_2.

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Mikhailov, Ivan A., and Artëm E. Masunov. "Theoretical Photochemistry of the Photochromic Molecules Based on Density Functional Theory Methods." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-01973-9_19.

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Ichimura, K. "Photoregulation of Liquid Crystal Alignment by Photochromic Molecules and Polymeric Thin Films." In Polymers as Electrooptical and Photooptical Active Media. Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-642-79861-0_4.

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Khodko, Alina, Vadim Khomenko, Olexander Mamuta, et al. "Femtosecond Transient Absorption Spectroscopy of Photochromic Thiol-Functionalized Terphenylthiazole-Based Diarylethene Molecules." In NATO Science for Peace and Security Series B: Physics and Biophysics. Springer Netherlands, 2017. http://dx.doi.org/10.1007/978-94-024-0850-8_58.

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Conference papers on the topic "Photochromic molecules"

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Mysliwiec, Jaroslaw, Maciej Czajkowski, Lech Sznitko, et al. "Photonic applications of photochromic molecules." In SPIE OPTO, edited by Christopher Tabor, François Kajzar, Toshikuni Kaino, and Yasuhiro Koike. SPIE, 2012. http://dx.doi.org/10.1117/12.911814.

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Cantu, P., N. Brimhall, T. L. Andrews, R. Castagna, C. Bertarelli, and R. Menon. "Nanopatterning with optical saturable transitions of photochromic molecules." In Frontiers in Optics. OSA, 2012. http://dx.doi.org/10.1364/fio.2012.fw4f.6.

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Guo, Haobo, Fushi Zhang, Yingwu Tang, Fuqun Zhao, and Guo-shi Wu. "Novel nondestructive readout method for rewritable storage systems of diarylethene photochromic molecules." In Fifth International Symposium on Optical Storage (IS0S 2000), edited by Fuxi Gan and Lisong Hou. SPIE, 2001. http://dx.doi.org/10.1117/12.416833.

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Angeluts, A. A., Nikolai I. Koroteev, Sergei A. Krikunov, et al. "Enhancement of two-photon-initiated coloration by energy transfer from dye to photochromic molecules in polymer films." In ICONO '98: Laser Spectroscopy and Optical Diagnostics--Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine, edited by Andrey Y. Chikishev, Victor N. Zadkov, and Alexei M. Zheltikov. SPIE, 1999. http://dx.doi.org/10.1117/12.340017.

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Hu, Honghua, Peng Zhao, Raz Gvishi, et al. "Energy Transfer within a Donor-Acceptor Photochromic Molecule." In Frontiers in Optics. OSA, 2013. http://dx.doi.org/10.1364/fio.2013.fth2c.4.

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Kurita, Susumu, K. Kainuma, T. Tayu, J. Takeda, and N. Nakayama. "Inter-molecular and molecular-matrix interaction of photochromic compound furylfulgides." In Excitonic Processes in Condensed Matter: International Conference, edited by Jai Singh. SPIE, 1995. http://dx.doi.org/10.1117/12.200974.

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Delgado Macuil, R., V. Lopez Gayou, M. Rojas Lopez, A. Orduna-Diaz, and Ruben Ramos-Garcia. "Raman spectroscopy applied to molecular transformation of photochromic polymers." In SPIE Proceedings, edited by Aristides Marcano O. and Jose Luis Paz. SPIE, 2004. http://dx.doi.org/10.1117/12.590961.

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Otolski, Christopher, Christopher Elles, and Christos Argyropoulos. "NONLINEAR PHOTOCHROMIC SWITCHING IN THE PLASMONIC FIELD OF A NANOPARTICLE ARRAY." In 72nd International Symposium on Molecular Spectroscopy. University of Illinois at Urbana-Champaign, 2017. http://dx.doi.org/10.15278/isms.2017.wh09.

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Yamanaka, Stacey A., Jeffrey I. Zink, and Bruce S. Dunn. "Photochromism of sol-gel glasses containing encapsulated organic molecules." In San Diego '92, edited by John D. Mackenzie. SPIE, 1992. http://dx.doi.org/10.1117/12.132028.

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Koso, Toru, Eiji Koyama, and Takayuki Mikamoto. "Measurement of Turbulent Mass Mixing Caused by a Particle Wake." In ASME/JSME 2003 4th Joint Fluids Summer Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/fedsm2003-45293.

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When a particle moves in a fluid, the fluid is disturbed by the particle and the fluid mass is mixed. This phenomenon is commonly observed in particle-laden flows and dispersed bubble flows. This mass mixing can be composed of two mechanisms. One is the mass transfer by convective flows that are induced by the reaction of the particle drag and the other is the turbulent mass mixing in the turbulent wake of the particle. The effect of the former one can be evaluated using the previous studies on the particle drag. However, the effect of the turbulent mixing is little understood. The turbulent m
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