引用本文:
【打印本页】   【HTML】   【下载PDF全文】   View/Add Comment  【EndNote】   【RefMan】   【BibTex】
←前一篇|后一篇→ 过刊浏览    高级检索
本文已被:浏览 1561次   下载 1619 本文二维码信息
码上扫一扫!
分享到: 微信 更多
Ultrafast Energy Transfer in Artificial Antenna Molecule Measured by Transient Fluorescence Spectroscopy
Hai-long Chen,Yu-xiang Weng*,Xi-you Li
Author NameAffiliationE-mail
Hai-long Chen Laboratory of Soft Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing National Laboratory of Condensed Matter Physics, Beijing 100190, China  
Yu-xiang Weng* Laboratory of Soft Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing National Laboratory of Condensed Matter Physics, Beijing 100190, China yxweng@aphy.iphy.ac.cn 
Xi-you Li Department of Chemistry, Shandong University, Ji’nan 250100, China  
Abstract:
We have reported previously the ultrafast energy transfer process with a time constant of 0.8 ps from a monomeric to a dimeric subunit within a perylenetetracarboxylic diimide trimer, which was derived indirectly from a model fitting into the transient absorption ex-perimental data. Here we present a direct ultrafast fluorescence quenching measurement by employing fs time-resolved transient fluorescence spectroscopy based on noncollinear optical parametric amplification technique. The rapid decay of the monomer's emission due to en-ergy transfer was observed directly with a time constant of about 0.82 ps, in good agreement with the previous result.
Key words:  Noncollinear optical parametric amplifier, Transient fluorescence, Perylenete-tracarboxylic diimide trimer, Artificial antenna molecule, Energy transfer
FundProject:
人工模拟捕光天线分子中超快能量转移的瞬态荧光测量
陈海龙,翁羽翔*,李希友
摘要:
利用飞秒时间分辨瞬态荧光光谱仪测量苝四甲酰二亚胺三聚体内的超快荧光淬灭过程. 观察到因能量转移而导致的单体荧光的快速衰减,这一过程的时间常数约为0.82 ps.
关键词:  非共线光参量放大,瞬态荧光,苝四甲酰二亚胺三聚体,人工模拟捕光天线分子,能量转移
DOI:10.1088/1674-0068/24/03/253-255
分类号: