完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.author | Mehata, Mohan Singh | en_US |
dc.contributor.author | Hsu, Chain-Shu | en_US |
dc.contributor.author | Lee, Yuan-Pern | en_US |
dc.contributor.author | Ohta, Nobuhiro | en_US |
dc.date.accessioned | 2014-12-08T15:09:09Z | - |
dc.date.available | 2014-12-08T15:09:09Z | - |
dc.date.issued | 2009-07-09 | en_US |
dc.identifier.issn | 1932-7447 | en_US |
dc.identifier.uri | http://dx.doi.org/10.1021/jp9023052 | en_US |
dc.identifier.uri | http://hdl.handle.net/11536/6975 | - |
dc.description.abstract | Electroabsorption (E-A) and electrophotoluminescence (E-F) spectra of thin films of blue-light-emitting poly(9,9-dioctylfluorene) (PFO) have been measured at temperatures ranging from 25 to 295 K to examine both the optical property and excitation dynamics of these films in the presence of external electric fields of 0-1.2 MV cm(-1). Electric field effects on excitation dynamics depend on not only applied field strength but also excitation wavelength and temperature. For photoexcitation at 344 or 402 nm, E-F spectra observed with low applied fields show only the Stark shift, whereas fluorescence quenching is induced only by strong electric fields. For photoexcitation at a shorter wavelength of 298 nm, on the other hand, field-induced quenching of fluorescence is observed even with a weak electric field at any temperature. The presence of a nonradiative process from highly excited states that is effectively affected by electric fields is suggested. | en_US |
dc.language.iso | en_US | en_US |
dc.title | Electric Field Effects on Photoluminescence of Polyfluorene Thin Films: Dependence on Excitation Wavelength, Field Strength, and Temperature | en_US |
dc.type | Article | en_US |
dc.identifier.doi | 10.1021/jp9023052 | en_US |
dc.identifier.journal | JOURNAL OF PHYSICAL CHEMISTRY C | en_US |
dc.citation.volume | 113 | en_US |
dc.citation.issue | 27 | en_US |
dc.citation.spage | 11907 | en_US |
dc.citation.epage | 11915 | en_US |
dc.contributor.department | 應用化學系 | zh_TW |
dc.contributor.department | Department of Applied Chemistry | en_US |
dc.identifier.wosnumber | WOS:000267694900065 | - |
dc.citation.woscount | 11 | - |
顯示於類別: | 期刊論文 |