551
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Ultrafast dynamics of photoinduced ring-opening and the subsequent ring-closure reactions of spirooxazines in crystalline state. Chem Phys Lett 2003. [DOI: 10.1016/s0009-2614(02)01867-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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552
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Hania PR, Telesca R, Lucas LN, Pugzlys A, van Esch J, Feringa BL, Snijders JG, Duppen K. An Optical and Theoretical Investigation of the Ultrafast Dynamics of a Bisthienylethene-Based Photochromic Switch. J Phys Chem A 2002. [DOI: 10.1021/jp020903+] [Citation(s) in RCA: 86] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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553
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Miyasaka H, Nobuto T, Murakami M, Itaya A, Tamai N, Irie M. Solvent Viscosity Effects on Photochromic Reactions of a Diarylethene Derivative As Revealed by Picosecond Laser Spectroscopy. J Phys Chem A 2002. [DOI: 10.1021/jp0206626] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Hiroshi Miyasaka
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, and CREST, Toyonaka, Osaka 560-8531, Japan, Department of Polymer Science and Engineering, Kyoto Institute of Technology, and CREST, Matsugasaki, Sakyo, Kyoto 606-8585, Japan, Department of Chemistry, Kwansei Gakuin University, Gakuen, Sanda 669-1337, Japan, and Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, and CREST, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8531, Japan
| | - Takahiro Nobuto
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, and CREST, Toyonaka, Osaka 560-8531, Japan, Department of Polymer Science and Engineering, Kyoto Institute of Technology, and CREST, Matsugasaki, Sakyo, Kyoto 606-8585, Japan, Department of Chemistry, Kwansei Gakuin University, Gakuen, Sanda 669-1337, Japan, and Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, and CREST, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8531, Japan
| | - Masataka Murakami
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, and CREST, Toyonaka, Osaka 560-8531, Japan, Department of Polymer Science and Engineering, Kyoto Institute of Technology, and CREST, Matsugasaki, Sakyo, Kyoto 606-8585, Japan, Department of Chemistry, Kwansei Gakuin University, Gakuen, Sanda 669-1337, Japan, and Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, and CREST, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8531, Japan
| | - Akira Itaya
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, and CREST, Toyonaka, Osaka 560-8531, Japan, Department of Polymer Science and Engineering, Kyoto Institute of Technology, and CREST, Matsugasaki, Sakyo, Kyoto 606-8585, Japan, Department of Chemistry, Kwansei Gakuin University, Gakuen, Sanda 669-1337, Japan, and Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, and CREST, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8531, Japan
| | - Naoto Tamai
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, and CREST, Toyonaka, Osaka 560-8531, Japan, Department of Polymer Science and Engineering, Kyoto Institute of Technology, and CREST, Matsugasaki, Sakyo, Kyoto 606-8585, Japan, Department of Chemistry, Kwansei Gakuin University, Gakuen, Sanda 669-1337, Japan, and Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, and CREST, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8531, Japan
| | - Masahiro Irie
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, and CREST, Toyonaka, Osaka 560-8531, Japan, Department of Polymer Science and Engineering, Kyoto Institute of Technology, and CREST, Matsugasaki, Sakyo, Kyoto 606-8585, Japan, Department of Chemistry, Kwansei Gakuin University, Gakuen, Sanda 669-1337, Japan, and Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, and CREST, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8531, Japan
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554
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Kurihara M, Hirooka A, Kume S, Sugimoto M, Nishihara H. Redox-conjugated reversible isomerization of ferrocenylazobenzene with a single green light. J Am Chem Soc 2002; 124:8800-1. [PMID: 12137525 DOI: 10.1021/ja026625+] [Citation(s) in RCA: 98] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A new reversible isomerization cycle for meta-ferrocenylazobenzene accomplished by combination of a single green light (546 nm) and redox change between Fe(II) and Fe(III) was discovered. In the Fe(II) state, trans-to-cis isomerization proceeded upon the green light irradiation exciting the metal-to-ligand charge transfer (MLCT) in a high quantum yield (Phit-->c = 0.51) which exceeds that of azobenzene (Phit-->c = 0.12 (313 nm excitation)). The cis molar ratio reached 35% in the photostationary state. The oxidation to the Fe(III) state followed by irradiation with the same green light led to the cis-to-trans back-reaction to recover almost all of the trans-form. The "on-off switching" of the MLCT character played an important role in the redox-dependent response to the green light for the isomerization. The photoisomerization behavior of ferrocenylazobenzenes was strongly dependent on the substitution position of the ferrocenyl moiety on the benzene ring. The MLCT excitation was not effective for the trans-to-cis conversion in para-ferrocenylazobenzene. Time-dependent density functional theory (TD-DFT) calculations for meta- and para-ferrcenylazobenzene showed that the origin of the visible band (MLCT band) is different. The initial orbital for the MLCT in meta-ferrocenylazobenzene is delocalized over Fe and the Cp ring, while that in para-ferrocenylazobenzene is localized on the iron.
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Affiliation(s)
- Masato Kurihara
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
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555
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Guillaumont D, Kobayashi T, Kanda K, Miyasaka H, Uchida K, Kobatake S, Shibata K, Nakamura S, Irie M. An ab Initio MO Study of the Photochromic Reaction of Dithienylethenes. J Phys Chem A 2002. [DOI: 10.1021/jp021060p] [Citation(s) in RCA: 112] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Dominique Guillaumont
- MCC-Group Science & Technology Research Center and ACT-JST, Mitsubishi Chemical Corporation, 1000 Kamoshida-cho, Aoba-ku, Yokohama 227-8502, Japan, Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan, Faculty of Science and Technology, Ryukoku University and CREST, Japan, and Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University and CREST, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8581, Japan
| | - Takao Kobayashi
- MCC-Group Science & Technology Research Center and ACT-JST, Mitsubishi Chemical Corporation, 1000 Kamoshida-cho, Aoba-ku, Yokohama 227-8502, Japan, Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan, Faculty of Science and Technology, Ryukoku University and CREST, Japan, and Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University and CREST, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8581, Japan
| | - Katsuya Kanda
- MCC-Group Science & Technology Research Center and ACT-JST, Mitsubishi Chemical Corporation, 1000 Kamoshida-cho, Aoba-ku, Yokohama 227-8502, Japan, Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan, Faculty of Science and Technology, Ryukoku University and CREST, Japan, and Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University and CREST, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8581, Japan
| | - Hiroshi Miyasaka
- MCC-Group Science & Technology Research Center and ACT-JST, Mitsubishi Chemical Corporation, 1000 Kamoshida-cho, Aoba-ku, Yokohama 227-8502, Japan, Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan, Faculty of Science and Technology, Ryukoku University and CREST, Japan, and Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University and CREST, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8581, Japan
| | - Kingo Uchida
- MCC-Group Science & Technology Research Center and ACT-JST, Mitsubishi Chemical Corporation, 1000 Kamoshida-cho, Aoba-ku, Yokohama 227-8502, Japan, Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan, Faculty of Science and Technology, Ryukoku University and CREST, Japan, and Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University and CREST, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8581, Japan
| | - Seiya Kobatake
- MCC-Group Science & Technology Research Center and ACT-JST, Mitsubishi Chemical Corporation, 1000 Kamoshida-cho, Aoba-ku, Yokohama 227-8502, Japan, Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan, Faculty of Science and Technology, Ryukoku University and CREST, Japan, and Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University and CREST, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8581, Japan
| | - Katsunori Shibata
- MCC-Group Science & Technology Research Center and ACT-JST, Mitsubishi Chemical Corporation, 1000 Kamoshida-cho, Aoba-ku, Yokohama 227-8502, Japan, Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan, Faculty of Science and Technology, Ryukoku University and CREST, Japan, and Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University and CREST, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8581, Japan
| | - Shinichiro Nakamura
- MCC-Group Science & Technology Research Center and ACT-JST, Mitsubishi Chemical Corporation, 1000 Kamoshida-cho, Aoba-ku, Yokohama 227-8502, Japan, Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan, Faculty of Science and Technology, Ryukoku University and CREST, Japan, and Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University and CREST, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8581, Japan
| | - Masahiro Irie
- MCC-Group Science & Technology Research Center and ACT-JST, Mitsubishi Chemical Corporation, 1000 Kamoshida-cho, Aoba-ku, Yokohama 227-8502, Japan, Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan, Faculty of Science and Technology, Ryukoku University and CREST, Japan, and Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University and CREST, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8581, Japan
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556
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Abstract
Light-powered molecular machines are conjectured to be essential constituents of future nanoscale devices. As a model for such systems, we have synthesized a polymer of bistable photosensitive azobenzenes. Individual polymers were investigated by single-molecule force spectroscopy in combination with optical excitation in total internal reflection. We were able to optically lengthen and contract individual polymers by switching the azo groups between their trans and cis configurations. The polymer was found to contract against an external force acting along the polymer backbone, thus delivering mechanical work. As a proof of principle, the polymer was operated in a periodic mode, demonstrating for the first time optomechanical energy conversion in a single-molecule device.
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Affiliation(s)
- Thorsten Hugel
- Lehrstuhl für Angewandte Physik & Center for Nanoscience, Ludwig-Maximilians Universität, Amalienstrasse 54, 80799 München, Germany
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557
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Raymo FM, Giordani S. All-optical processing with molecular switches. Proc Natl Acad Sci U S A 2002; 99:4941-4. [PMID: 16578866 PMCID: PMC122699 DOI: 10.1073/pnas.062631199] [Citation(s) in RCA: 131] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2001] [Indexed: 11/18/2022] Open
Abstract
A gradual transition from electrical to optical networks is accompanying the rapid progress of telecommunication technology. The urge for enhanced transmission capacity and speed is dictating this trend. In fact, large volumes of data encoded on optical signals can be transported rapidly over long distances. Their propagation along specific routes across a communication network is ensured by a combination of optical fibers and optoelectronic switches. It is becoming apparent, however, that the interplay between the routing electrical stimulations and the traveling optical signals will not be able to support the terabit-per-second capacities that will be needed in the near future. Electrical inputs cannot handle the immense parallelism potentially possible with optical signals. Operating principles to control optical signals with optical signals must be developed. Molecular and supramolecular switches are promising candidates for the realization of innovative materials for information technology. Binary digits can be encoded in their chemical, electrical, or optical inputs and outputs to execute specific logic functions. We have developed a simple strategy to gate optical signals with optical signals by using a photoactive molecular switch. We have demonstrated that NAND, NOR, and NOT operations can be implemented exclusively with optical inputs and optical outputs coupling from one to three switching elements. Our remarkably simple approach to all-optical switching might lead to the development of a new generation of devices for digital processing and communication technology.
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Affiliation(s)
- Françisco M Raymo
- Center for Supramolecular Science, Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, FL 33146-0431
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558
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Hirose Y, Yui H, Sawada T. Effect of Potential Energy Gap between the n-π* and the π-π* State on Ultrafast Photoisomerization Dynamics of an Azobenzene Derivative. J Phys Chem A 2002. [DOI: 10.1021/jp0138375] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Yasushi Hirose
- Department of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8658, Japan, and Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Corporation (JST), 7-3-1 Hongo, Bunkyo, Tokyo 113-8658, Japan
| | - Hiroharu Yui
- Department of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8658, Japan, and Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Corporation (JST), 7-3-1 Hongo, Bunkyo, Tokyo 113-8658, Japan
| | - Tsuguo Sawada
- Department of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8658, Japan, and Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Corporation (JST), 7-3-1 Hongo, Bunkyo, Tokyo 113-8658, Japan
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559
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Azo- and quinone-conjugated redox complexes—photo- and proton-coupled intramolecular reactions based on d–π interaction. Coord Chem Rev 2002. [DOI: 10.1016/s0010-8545(01)00421-0] [Citation(s) in RCA: 81] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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560
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Ern J, Bens AT, Martin HD, Kuldova K, Trommsdorff HP, Kryschi C. Ring-Opening and -Closure Reaction Dynamics of a Photochromic Dithienylethene Derivative. J Phys Chem A 2002. [DOI: 10.1021/jp012614b] [Citation(s) in RCA: 59] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jan Ern
- Institut für Physikalische Chemie I, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany, Institut für Organische Chemie und Makromolekulare Chemie I, Heinrich-Heine-Universität, D-40225 Düsseldorf, Germany, and Laboratoire de Spectrométrie Physique, Université Joseph-Fourier Grenoble I, CNRS (UMR 5588), B.P. 87, F-38402 St. Martin d'Hères, France
| | - Arthur T. Bens
- Institut für Physikalische Chemie I, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany, Institut für Organische Chemie und Makromolekulare Chemie I, Heinrich-Heine-Universität, D-40225 Düsseldorf, Germany, and Laboratoire de Spectrométrie Physique, Université Joseph-Fourier Grenoble I, CNRS (UMR 5588), B.P. 87, F-38402 St. Martin d'Hères, France
| | - Hans-Dieter Martin
- Institut für Physikalische Chemie I, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany, Institut für Organische Chemie und Makromolekulare Chemie I, Heinrich-Heine-Universität, D-40225 Düsseldorf, Germany, and Laboratoire de Spectrométrie Physique, Université Joseph-Fourier Grenoble I, CNRS (UMR 5588), B.P. 87, F-38402 St. Martin d'Hères, France
| | - Karla Kuldova
- Institut für Physikalische Chemie I, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany, Institut für Organische Chemie und Makromolekulare Chemie I, Heinrich-Heine-Universität, D-40225 Düsseldorf, Germany, and Laboratoire de Spectrométrie Physique, Université Joseph-Fourier Grenoble I, CNRS (UMR 5588), B.P. 87, F-38402 St. Martin d'Hères, France
| | - H. Peter Trommsdorff
- Institut für Physikalische Chemie I, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany, Institut für Organische Chemie und Makromolekulare Chemie I, Heinrich-Heine-Universität, D-40225 Düsseldorf, Germany, and Laboratoire de Spectrométrie Physique, Université Joseph-Fourier Grenoble I, CNRS (UMR 5588), B.P. 87, F-38402 St. Martin d'Hères, France
| | - Carola Kryschi
- Institut für Physikalische Chemie I, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany, Institut für Organische Chemie und Makromolekulare Chemie I, Heinrich-Heine-Universität, D-40225 Düsseldorf, Germany, and Laboratoire de Spectrométrie Physique, Université Joseph-Fourier Grenoble I, CNRS (UMR 5588), B.P. 87, F-38402 St. Martin d'Hères, France
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561
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Asahi T, Suzuki M, Masuhara H. Cooperative Photochemical Reaction in Molecular Crystal Induced by Intense Femtosecond Laser Excitation: Photochromism of Spironaphthooxazine. J Phys Chem A 2001. [DOI: 10.1021/jp0129838] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Tsuyoshi Asahi
- Department of Applied Physics, Osaka University, Suita, Osaka 565-0871, Japan
| | - Mototsugu Suzuki
- Department of Applied Physics, Osaka University, Suita, Osaka 565-0871, Japan
| | - Hiroshi Masuhara
- Department of Applied Physics, Osaka University, Suita, Osaka 565-0871, Japan
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562
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Yutaka T, Mori I, Kurihara M, Mizutani J, Kubo K, Furusho S, Matsumura K, Tamai N, Nishihara H. Synthesis, characterization, and photochemical properties of azobenzene-conjugated Ru(II) and Rh(III) bis(terpyridine) complexes. Inorg Chem 2001; 40:4986-95. [PMID: 11531448 DOI: 10.1021/ic010351u] [Citation(s) in RCA: 89] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We synthesized azobenzene-conjugated bis(terpyridine) Ru(II) and Rh(III) mononuclear and dinuclear complexes and investigated their photochemical properties on excitation of the azo pi-pi band upon 366 nm light irradiation. The Ru mononuclear complex underwent trans-to-cis photoisomerization to reach the photostationary state with only 20% of the cis form, while the Ru dinuclear complex did not isomerize at all photochemically. On the other hand, the mononuclear and dinuclear Rh complexes showed almost complete trans-to-cis photoisomerization behavior. Cis forms of the Rh complexes thermally returned to the trans form at a much slower rate than those of organic azobenzenes, but they did not isomerize photochemically. The reduction potential of the cis forms was 80 mV more negative than that of the trans forms. The photoisomerization quantum yields of the Rh complexes were strongly dependent on the polarity, viscosity, and donor site of the solvents as well as the size of the counterions. We investigated the photoisomerization process of these complexes using femtosecond absorption spectroscopy. For the Rh complexes, we observed S(n) <-- S(2) and S(n) <-- S(1) absorption bands similar to those of organic azobenzenes. For the Ru complexes, we observed very fast bleaching of the MLCT band of the Ru complex, which indicated that the energy transfer pathway to the MLCT was the primary cause of the depressed photoisomerization. The electronic structures, which were estimated from ZINDO molecular orbital calculation, supported the different photochemical reaction behavior between the Ru and Rh complexes.
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Affiliation(s)
- T Yutaka
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
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563
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Takeshita M, Yamato T. Synthesis and photochromic properties of 1,2-dicyano[2.n]metacyclophan-1-enes. Tetrahedron Lett 2001. [DOI: 10.1016/s0040-4039(01)00725-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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564
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Thomas CJ, Wolak MA, Birge RR, Lees WJ. Improved synthesis of indolyl fulgides. J Org Chem 2001; 66:1914-8. [PMID: 11262147 DOI: 10.1021/jo005722n] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- C J Thomas
- Department of Chemistry and W. M. Keck Center for Molecular Electronics, Syracuse University, Syracuse, NY 13244-4100, USA
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565
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Ho CH, Yang KN, Lee SN. Mechanistic study of trans?cis isomerization of the substituted azobenzene moiety bound on a liquid-crystalline polymer. ACTA ACUST UNITED AC 2001. [DOI: 10.1002/pola.1206] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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566
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Kurihara M, Matsuda T, Hirooka A, Yutaka T, Nishihara H. Novel Photoisomerization of Azoferrocene with a Low-Energy MLCT Band and Significant Change of the Redox Behavior between the cis- and trans-Isomers. J Am Chem Soc 2000. [DOI: 10.1021/ja002473b] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Masato Kurihara
- Department of Chemistry, School of Science The University of Tokyo, 7-3-1 Hongo Bunkyo-ku, Tokyo 113-0033, Japan
| | - Takayuki Matsuda
- Department of Chemistry, School of Science The University of Tokyo, 7-3-1 Hongo Bunkyo-ku, Tokyo 113-0033, Japan
| | - Akira Hirooka
- Department of Chemistry, School of Science The University of Tokyo, 7-3-1 Hongo Bunkyo-ku, Tokyo 113-0033, Japan
| | - Tomona Yutaka
- Department of Chemistry, School of Science The University of Tokyo, 7-3-1 Hongo Bunkyo-ku, Tokyo 113-0033, Japan
| | - Hiroshi Nishihara
- Department of Chemistry, School of Science The University of Tokyo, 7-3-1 Hongo Bunkyo-ku, Tokyo 113-0033, Japan
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567
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Kodama Y, Nakabayashi T, Segawa K, Hattori E, Sakuragi M, Nishi N, Sakuragi H. Time-Resolved Absorption Studies on the Photochromic Process of 2H-Benzopyrans in the Picosecond to Submillisecond Time Domain. J Phys Chem A 2000. [DOI: 10.1021/jp002032e] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yoichi Kodama
- Department of Chemistry, University of Tsukuba, Tennodai, Tsukuba, 305-8571, Japan, Institute for Molecular Science, Myodaiji, Okazaki 444-8585, Japan, and National Institute of Materials and Chemical Research, Higashi, Tsukuba 305-8565, Japan
| | - Takakazu Nakabayashi
- Department of Chemistry, University of Tsukuba, Tennodai, Tsukuba, 305-8571, Japan, Institute for Molecular Science, Myodaiji, Okazaki 444-8585, Japan, and National Institute of Materials and Chemical Research, Higashi, Tsukuba 305-8565, Japan
| | - Katsunori Segawa
- Department of Chemistry, University of Tsukuba, Tennodai, Tsukuba, 305-8571, Japan, Institute for Molecular Science, Myodaiji, Okazaki 444-8585, Japan, and National Institute of Materials and Chemical Research, Higashi, Tsukuba 305-8565, Japan
| | - Emi Hattori
- Department of Chemistry, University of Tsukuba, Tennodai, Tsukuba, 305-8571, Japan, Institute for Molecular Science, Myodaiji, Okazaki 444-8585, Japan, and National Institute of Materials and Chemical Research, Higashi, Tsukuba 305-8565, Japan
| | - Masako Sakuragi
- Department of Chemistry, University of Tsukuba, Tennodai, Tsukuba, 305-8571, Japan, Institute for Molecular Science, Myodaiji, Okazaki 444-8585, Japan, and National Institute of Materials and Chemical Research, Higashi, Tsukuba 305-8565, Japan
| | - Nobuyuki Nishi
- Department of Chemistry, University of Tsukuba, Tennodai, Tsukuba, 305-8571, Japan, Institute for Molecular Science, Myodaiji, Okazaki 444-8585, Japan, and National Institute of Materials and Chemical Research, Higashi, Tsukuba 305-8565, Japan
| | - Hirochika Sakuragi
- Department of Chemistry, University of Tsukuba, Tennodai, Tsukuba, 305-8571, Japan, Institute for Molecular Science, Myodaiji, Okazaki 444-8585, Japan, and National Institute of Materials and Chemical Research, Higashi, Tsukuba 305-8565, Japan
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