摘要
以三苯胺基和苯并噻二唑基为电子给、受体,合成得"D-A-D"型红光分子(简称TZ2),研究了其在介质中(THF和PVK中)单光子荧光(OPL)、双光子荧光(TPL)和电致发光(EL)性能。分别在Xe灯(455nm)和飞秒钛宝石激光器(820nm)泵浦下,TZ2在THF介质中的单光子、双光子荧光峰位分别在650和635nm处;在9V电压下,TZ2掺杂在PVK介质中(ITO和FLi/Al分别正、负电极)开始发光,峰位在620nm处。与OPL相比,TPL和EL在发光峰位和光谱半高宽(FWHH)均较为相近,说明激子复合发光(EL)与强光辐照发光(TPL)有更多的相似性。
New chromophores with benzothiadiazole as molecular focal point bearing ether triphenylamine unit at the periphery respectively （named as TZ2） has been synthesized and comparatively investigated its linear and two-photon fluorescence properties as well as the electroluminescence.Pumped by Xe lamp at 450nm and femto-second laser at 820nm,respectively,strong one-photon emission （OPL） and two-photon emissions （TPL） with the central wavelength at 650nm for OPL and 635nm for TPL in THF have been observed.Applied of 9V on the single device （ITO/2% （w/w）TZ2 in PVK/Alq3：/LiF）,the electroluminescence spectrum locating at 620nm was recorded.In comparison with OPL,the TPL and EL are somewhat alike including luminescence position and half-width （FWHH）,suggesting that the emission of exciton combination （EL） and of laser excitation possess closer ether molecular configuration on the excited state or vibration energy level on the ground state.
出处
《功能材料》
EI
CAS
CSCD
北大核心
2010年第7期1211-1213,1218,共4页
Journal of Functional Materials
基金
国家自然科学基金资助项目(50673070
50973077)
教育部科技重点资助项目(204053)
江苏省科技支撑资助项目(BE2008108)
苏州市科技发展资助项目(SYJG0931)
镇江市成果转化资助项目(CZ2009006)
关键词
双光子荧光
有机电致发光
三苯胺
苯并噻二唑
two-photon fluorescence
electroluminescence
triphenylamine
benzothiadiazole
