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Electrooptical properties of liquid crystal n-pentil-n´-cyanobifenil with J-aggregates of astrofloxine
It is shown that organic nanocrystallites - J-aggregates - can be formed and oriented in a liquid crystalline matrix. External electric field can reorient and destroy these nanocrystallites. Transmission and photoluminescence spectra of astrofloxine solutions in the nematic liquid crystal are invest...
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Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України
2001
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| Series: | Semiconductor Physics Quantum Electronics & Optoelectronics |
| Online Access: | http://dspace.nbuv.gov.ua/handle/123456789/119332 |
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irk-123456789-1193322017-06-07T03:04:01Z Electrooptical properties of liquid crystal n-pentil-n´-cyanobifenil with J-aggregates of astrofloxine Piryatinski, Yu.P. Furier, M.S. Nazarenko, V.G. It is shown that organic nanocrystallites - J-aggregates - can be formed and oriented in a liquid crystalline matrix. External electric field can reorient and destroy these nanocrystallites. Transmission and photoluminescence spectra of astrofloxine solutions in the nematic liquid crystal are investigated in d.c. and a.c. electric fields with the frequencies of 1 Hz-1 kHz and amplitudes F = 1.2×104 V•cm⁻¹. Intense photoluminescence was observed at two-photon excitation. Efficiency of IR laser radiation transformation into visible photoluminescence was as high as 10%. 2001 Article Electrooptical properties of liquid crystal n-pentil-n´-cyanobifenil with J-aggregates of astrofloxine / Yu. P. Piryatinski, M. S. Furier, V. G. Nazarenko // Semiconductor Physics Quantum Electronics & Optoelectronics. — 2001. — Т. 4, № 4. — С. 375-382. — Бібліогр.: 14 назв. — англ. 1560-8034 PACS: 31.50; 42.70.D; 78.55; 78.66.J http://dspace.nbuv.gov.ua/handle/123456789/119332 en Semiconductor Physics Quantum Electronics & Optoelectronics Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України |
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It is shown that organic nanocrystallites - J-aggregates - can be formed and oriented in a liquid crystalline matrix. External electric field can reorient and destroy these nanocrystallites. Transmission and photoluminescence spectra of astrofloxine solutions in the nematic liquid crystal are investigated in d.c. and a.c. electric fields with the frequencies of 1 Hz-1 kHz and amplitudes F = 1.2×104 V•cm⁻¹. Intense photoluminescence was observed at two-photon excitation. Efficiency of IR laser radiation transformation into visible photoluminescence was as high as 10%. |
| format |
Article |
| author |
Piryatinski, Yu.P. Furier, M.S. Nazarenko, V.G. |
| spellingShingle |
Piryatinski, Yu.P. Furier, M.S. Nazarenko, V.G. Electrooptical properties of liquid crystal n-pentil-n´-cyanobifenil with J-aggregates of astrofloxine Semiconductor Physics Quantum Electronics & Optoelectronics |
| author_facet |
Piryatinski, Yu.P. Furier, M.S. Nazarenko, V.G. |
| author_sort |
Piryatinski, Yu.P. |
| title |
Electrooptical properties of liquid crystal n-pentil-n´-cyanobifenil with J-aggregates of astrofloxine |
| title_short |
Electrooptical properties of liquid crystal n-pentil-n´-cyanobifenil with J-aggregates of astrofloxine |
| title_full |
Electrooptical properties of liquid crystal n-pentil-n´-cyanobifenil with J-aggregates of astrofloxine |
| title_fullStr |
Electrooptical properties of liquid crystal n-pentil-n´-cyanobifenil with J-aggregates of astrofloxine |
| title_full_unstemmed |
Electrooptical properties of liquid crystal n-pentil-n´-cyanobifenil with J-aggregates of astrofloxine |
| title_sort |
electrooptical properties of liquid crystal n-pentil-n´-cyanobifenil with j-aggregates of astrofloxine |
| publisher |
Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України |
| publishDate |
2001 |
| url |
http://dspace.nbuv.gov.ua/handle/123456789/119332 |
| citation_txt |
Electrooptical properties of liquid crystal n-pentil-n´-cyanobifenil with J-aggregates of astrofloxine / Yu. P. Piryatinski, M. S. Furier, V. G. Nazarenko // Semiconductor Physics Quantum Electronics & Optoelectronics. — 2001. — Т. 4, № 4. — С. 375-382. — Бібліогр.: 14 назв. — англ. |
| series |
Semiconductor Physics Quantum Electronics & Optoelectronics |
| work_keys_str_mv |
AT piryatinskiyup electroopticalpropertiesofliquidcrystalnpentilncyanobifenilwithjaggregatesofastrofloxine AT furierms electroopticalpropertiesofliquidcrystalnpentilncyanobifenilwithjaggregatesofastrofloxine AT nazarenkovg electroopticalpropertiesofliquidcrystalnpentilncyanobifenilwithjaggregatesofastrofloxine |
| first_indexed |
2023-10-18T20:34:19Z |
| last_indexed |
2023-10-18T20:34:19Z |
| _version_ |
1796150549146501120 |