›› 2014, Vol. 23 ›› Issue (10): 107802-107802.doi: 10.1088/1674-1056/23/10/107802

• CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES • 上一篇    下一篇

Photo-induced intramolecular electron transfer and intramolecular vibrational relaxation of rhodamine 6G in DMSO revealed by multiplex transient grating spectroscopy

蒋礼林a, 刘伟龙b, 宋云飞b, 孙山林c   

  1. a School of Mechanical and Electronic Engineering, Hezhou University, Hezhou 542800, China;
    b Department of Physics, Harbin Institute of Technology, Harbin 150001, China;
    c Department of Electronic Engineering, Guilin University of Aerospace Technology, Guilin 541004, China
  • 收稿日期:2013-10-08 修回日期:2014-03-27 出版日期:2014-10-15 发布日期:2014-10-15
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant Nos. 21003033 and 21203047), the Guangxi Provincial Natural Science Foundation, China (Grant Nos. 2012GXNSFBA053012 and 2014GXNSFAA118019), and the Research Foundation of Education Bureau of Guangxi Zhuang Autonomous Region, China (Grant No. ZD2014127).

Photo-induced intramolecular electron transfer and intramolecular vibrational relaxation of rhodamine 6G in DMSO revealed by multiplex transient grating spectroscopy

Jiang Li-Lin (蒋礼林)a, Liu Wei-Long (刘伟龙)b, Song Yun-Fei (宋云飞)b, Sun Shan-Lin (孙山林)c   

  1. a School of Mechanical and Electronic Engineering, Hezhou University, Hezhou 542800, China;
    b Department of Physics, Harbin Institute of Technology, Harbin 150001, China;
    c Department of Electronic Engineering, Guilin University of Aerospace Technology, Guilin 541004, China
  • Received:2013-10-08 Revised:2014-03-27 Online:2014-10-15 Published:2014-10-15
  • Contact: Jiang Li-Lin E-mail:jianglilin2009@gmail.com
  • About author:78.47.jj; 78.47.J-; 82.39.Jn; 82.53.Uv
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant Nos. 21003033 and 21203047), the Guangxi Provincial Natural Science Foundation, China (Grant Nos. 2012GXNSFBA053012 and 2014GXNSFAA118019), and the Research Foundation of Education Bureau of Guangxi Zhuang Autonomous Region, China (Grant No. ZD2014127).

摘要: Photo-induced intramolecular electron transfer (PIET) and intramolecular vibrational relaxation (IVR) dynamics of the excited state of rhodamine 6G (Rh6G +) in DMSO are investigated by multiplex transient grating. Two major components are resolved in the dynamics of Rh6G+. The first component, with a lifetime τPIET=140 fs-260 fs, is attributed to PIET from the phenyl ring to the xanthene plane. The IVR process occurring in the range τIVR=3.3 ps-5.2 ps is much slower than the first component. The PIET and IVR processes occurring in the excited state of Rh6G + are quantitatively determined, and a better understanding of the relationship between these processes is obtained.

关键词: photo-induced intramolecular electron transfer, intramolecular vibrational relaxation, excited state, multiplex transient grating

Abstract: Photo-induced intramolecular electron transfer (PIET) and intramolecular vibrational relaxation (IVR) dynamics of the excited state of rhodamine 6G (Rh6G +) in DMSO are investigated by multiplex transient grating. Two major components are resolved in the dynamics of Rh6G+. The first component, with a lifetime τPIET=140 fs-260 fs, is attributed to PIET from the phenyl ring to the xanthene plane. The IVR process occurring in the range τIVR=3.3 ps-5.2 ps is much slower than the first component. The PIET and IVR processes occurring in the excited state of Rh6G + are quantitatively determined, and a better understanding of the relationship between these processes is obtained.

Key words: photo-induced intramolecular electron transfer, intramolecular vibrational relaxation, excited state, multiplex transient grating

中图分类号:  (Transient grating spectroscopy)

  • 78.47.jj
78.47.J- (Ultrafast spectroscopy (<1 psec)) 82.39.Jn (Charge (electron, proton) transfer in biological systems) 82.53.Uv (Femtosecond probes of molecules in liquids)