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人工模拟捕光天线分子中超快能量转移的瞬态荧光测量
  • ISSN号：1674-0068
  • 期刊名称：《化学物理学报》
  • 时间：0
  • 分类：O[理学]
  • 作者机构：[1]中国科学院物理研究所,北京100190, [2]山东大学化学与化工学院,济南250100
  • 相关基金：This work was supported by the National Natural Science Foundation of China （No.20925313 and No.60438020）, the National Basic Research Program of China （No.2009CB929404）, and the Chinese Academy of Sciences Innovation Program （KJCX2-YW-W25）.
作者： 陈海龙[1], 翁羽翔[1], 李希友[2]
关键词： 非共线光参量放人, 瞬态荧光, 苝四甲酰三亚胺三聚体, 人工模拟捕光天线分子, 能量转移, Noncollinear optical parametric amplifier, Transient fluorescence, Perylenetetracarboxylic diimide trimer, Artificial antenna molecule, Energy transfer
中文摘要：

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0-82ps．

英文摘要：

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 experimental 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 energy transfer was observed directly with a time constant of about 0.82 ps, in good agreement with the previous result.

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期刊信息
  • 《化学物理学报》
  • 中国科技核心期刊
  • 主管单位:中国科协
  • 主办单位:中国物理学会
  • 主编：杨学明
  • 地址：合肥中国科学技术大学
  • 邮编：230026
  • 邮箱：cjcp@ustc.edu.cn
  • 电话：0551-3601122
  • 国际标准刊号：ISSN：1674-0068
  • 国内统一刊号：ISSN：34-1295/O6
  • 邮发代号:26-62
  • 获奖情况:
  • 1998年获安徽省优秀科技期刊一等奖
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘（网络版）,荷兰文摘与引文数据库,美国科学引文索引（扩展库）,英国科学文摘数据库,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,英国英国皇家化学学会文摘,中国北大核心期刊（2000版）
  • 被引量:4282