Phosphorescence of vitreous 2-bromobenzophenone
Spectroscopic studies of vitreous 2-bromobenzophenone have been carried out over the respective domain of its stability. Glassy 2-bromobenzophenone samples were obtained by abrupt cooling of the melt by cold helium vapor. Quantum yield measurements allowed us to establish that the upper boundary o...
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| Дата: | 2008 |
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| Автори: | , , , |
| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2008
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| Назва видання: | Физика низких температур |
| Теми: | |
| Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/116978 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Phosphorescence of vitreous 2-bromobenzophenone / L.M. Buravtseva, O.S. Pyshkin, M.A. Strzhemechny, A.A. Avdeenko // Физика низких температур. — 2008. — Т. 34, № 6. — С. 587–591. — Бібліогр.: 16 назв. — англ. |
Репозитарії
Digital Library of Periodicals of National Academy of Sciences of Ukraine| id |
irk-123456789-116978 |
|---|---|
| record_format |
dspace |
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irk-123456789-1169782017-05-19T03:03:35Z Phosphorescence of vitreous 2-bromobenzophenone Buravtseva, L.M. Pyshkin, O.S. Strzhemechny, M.A. Avdeenko, A.A. Низкоразмерные и неупорядоченные системы Spectroscopic studies of vitreous 2-bromobenzophenone have been carried out over the respective domain of its stability. Glassy 2-bromobenzophenone samples were obtained by abrupt cooling of the melt by cold helium vapor. Quantum yield measurements allowed us to establish that the upper boundary of stable glass is slightly above 100 K while at about 220 K the glass melts. Phosphorescence measurements at 4.2 K showed that even at this low temperature the emission contains a strong excimer component. The energy position and shape (two bands) of the excimer emission are close to those observed in the crystal of 2-bromobenzophenone at higher temperatures. Contrary to findings in the crystal, the monomeric emission of the glass contains only one C=O stretch series, every band of which is substantially broader than in the crystal. As the temperature is raised, the monomeric emission intensity goes down to completely disappear above 70 K. 2008 Article Phosphorescence of vitreous 2-bromobenzophenone / L.M. Buravtseva, O.S. Pyshkin, M.A. Strzhemechny, A.A. Avdeenko // Физика низких температур. — 2008. — Т. 34, № 6. — С. 587–591. — Бібліогр.: 16 назв. — англ. 0132-6414 PACS: 33.50.Dq;78.55.Qr http://dspace.nbuv.gov.ua/handle/123456789/116978 en Физика низких температур Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| language |
English |
| topic |
Низкоразмерные и неупорядоченные системы Низкоразмерные и неупорядоченные системы |
| spellingShingle |
Низкоразмерные и неупорядоченные системы Низкоразмерные и неупорядоченные системы Buravtseva, L.M. Pyshkin, O.S. Strzhemechny, M.A. Avdeenko, A.A. Phosphorescence of vitreous 2-bromobenzophenone Физика низких температур |
| description |
Spectroscopic studies of vitreous 2-bromobenzophenone have been carried out over the respective domain
of its stability. Glassy 2-bromobenzophenone samples were obtained by abrupt cooling of the melt by
cold helium vapor. Quantum yield measurements allowed us to establish that the upper boundary of stable
glass is slightly above 100 K while at about 220 K the glass melts. Phosphorescence measurements at 4.2 K
showed that even at this low temperature the emission contains a strong excimer component. The energy position
and shape (two bands) of the excimer emission are close to those observed in the crystal of
2-bromobenzophenone at higher temperatures. Contrary to findings in the crystal, the monomeric emission
of the glass contains only one C=O stretch series, every band of which is substantially broader than in the
crystal. As the temperature is raised, the monomeric emission intensity goes down to completely disappear
above 70 K. |
| format |
Article |
| author |
Buravtseva, L.M. Pyshkin, O.S. Strzhemechny, M.A. Avdeenko, A.A. |
| author_facet |
Buravtseva, L.M. Pyshkin, O.S. Strzhemechny, M.A. Avdeenko, A.A. |
| author_sort |
Buravtseva, L.M. |
| title |
Phosphorescence of vitreous 2-bromobenzophenone |
| title_short |
Phosphorescence of vitreous 2-bromobenzophenone |
| title_full |
Phosphorescence of vitreous 2-bromobenzophenone |
| title_fullStr |
Phosphorescence of vitreous 2-bromobenzophenone |
| title_full_unstemmed |
Phosphorescence of vitreous 2-bromobenzophenone |
| title_sort |
phosphorescence of vitreous 2-bromobenzophenone |
| publisher |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| publishDate |
2008 |
| topic_facet |
Низкоразмерные и неупорядоченные системы |
| url |
http://dspace.nbuv.gov.ua/handle/123456789/116978 |
| citation_txt |
Phosphorescence of vitreous 2-bromobenzophenone / L.M. Buravtseva, O.S. Pyshkin, M.A. Strzhemechny, A.A. Avdeenko // Физика низких температур. — 2008. — Т. 34, № 6. — С. 587–591. — Бібліогр.: 16 назв. — англ. |
| series |
Физика низких температур |
| work_keys_str_mv |
AT buravtsevalm phosphorescenceofvitreous2bromobenzophenone AT pyshkinos phosphorescenceofvitreous2bromobenzophenone AT strzhemechnyma phosphorescenceofvitreous2bromobenzophenone AT avdeenkoaa phosphorescenceofvitreous2bromobenzophenone |
| first_indexed |
2023-10-18T20:28:45Z |
| last_indexed |
2023-10-18T20:28:45Z |
| _version_ |
1796150307103703040 |