Watching energy transfer in metalloporphyrin heterodimers using stimulated X-ray Raman spectroscopy

被引：39
作者：
Biggs, Jason D. [1 ]
Zhang, Yu [1 ]
Healion, Daniel [1 ]
Mukamel, Shaul [1 ]
机构：
[1] Univ Calif Irvine, Dept Chem, Irvine, CA 92697 USA
来源：
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 2013年 / 110卷 / 39期
基金：
美国国家科学基金会; 美国国家卫生研究院;
关键词：
chromophore aggregates; core transitions; REW-TDDFT; nonlinear; DENSITY-FUNCTIONAL THEORY; REAL-TIME OBSERVATION; PORPHYRIN ARRAYS; ABSORPTION SPECTROSCOPY; ARCHITECTURES; MOLECULES; SPECTRA; ANTENNA;
D O I：
10.1073/pnas.1308604110
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Understanding the excitation energy transfer mechanism in multiporphyrin arrays is key for designing artificial light-harvesting devices and other molecular electronics applications. Simulations of the stimulated X-ray Raman spectroscopy signals of a Zn/Ni porphyrin heterodimer induced by attosecond X-ray pulses show that these signals can directly reveal electron-hole pair motions. These dynamics are visualized by a natural orbital decomposition of the valence electron wavepackets.
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收藏
页码：15597 / 15601
页数：5
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