Two-Dimensional Electronic-Vibrational Spectroscopy of Chlorophyll a and b.

作者: Nicholas H. C. Lewis , Graham R. Fleming

DOI: 10.1021/ACS.JPCLETT.6B00037

关键词:

摘要: We present two-dimensional electronic-vibrational (2DEV) spectra of isolated chlorophyll a and b in deuterated ethanol. excite the Q-band electronic transitions measure effects on carbonyl C ═ double-bond stretch region infrared spectrum. With aid density functional theory calculations, we provide assignments for major features show how 2DEV can be used to readily distinguish different solvation states chlorophyll, with corresponding minority pentacoordinate magnesium (Mg) species being resolved along each dimension from dominant hexacoordinate Mg species. These represent crucial first step toward application spectroscopy chlorophyll-containing pigment-protein complexes.

参考文章(29)
Robert E. Blankenship, Molecular mechanisms of photosynthesis ,(2002)
Hui Dong, Nicholas H. C. Lewis, Thomas A. A. Oliver, Graham R. Fleming, Determining the static electronic and vibrational energy correlations via two-dimensional electronic-vibrational spectroscopy Journal of Chemical Physics. ,vol. 142, pp. 174201- ,(2015) , 10.1063/1.4919684
Nicholas H. C. Lewis, Hui Dong, Thomas A. A. Oliver, Graham R. Fleming, Measuring correlated electronic and vibrational spectral dynamics using line shapes in two-dimensional electronic-vibrational spectroscopy Journal of Chemical Physics. ,vol. 142, pp. 174202- ,(2015) , 10.1063/1.4919686
William P. Bricker, Prathamesh M. Shenai, Avishek Ghosh, Zhengtang Liu, Miriam Grace M. Enriquez, Petar H. Lambrev, Howe-Siang Tan, Cynthia S. Lo, Sergei Tretiak, Sebastian Fernandez-Alberti, Yang Zhao, Non-radiative relaxation of photoexcited chlorophylls: theoretical and experimental study Scientific Reports. ,vol. 5, pp. 13625- 13625 ,(2015) , 10.1038/SREP13625
Hong-Guang Duan, Amy L. Stevens, Peter Nalbach, Michael Thorwart, Valentyn I. Prokhorenko, R. J. Dwayne Miller, Two-Dimensional Electronic Spectroscopy of Light-Harvesting Complex II at Ambient Temperature: A Joint Experimental and Theoretical Study. Journal of Physical Chemistry B. ,vol. 119, pp. 12017- 12027 ,(2015) , 10.1021/ACS.JPCB.5B05592
Thomas A. Evans, Joseph J. Katz, Evidence for 5- and 6-coordinated magnesium in bacteriochlorophyll a from visible absorption spectroscopy☆ Biochimica et Biophysica Acta. ,vol. 396, pp. 414- 426 ,(1975) , 10.1016/0005-2728(75)90147-4
Jakub Dostál, František Vácha, Jakub Pšenčík, Donatas Zigmantas, 2D Electronic Spectroscopy Reveals Excitonic Structure in the Baseplate of a Chlorosome. Journal of Physical Chemistry Letters. ,vol. 5, pp. 1743- 1747 ,(2014) , 10.1021/JZ5005279
T.M. Cotton, A.D. Trifunac, K. Ballschmiter, J.J. Katz, State of chlorophyll a in vitro and in vivo from electronic transition spectra, and the nature of antenna chlorophyll. Biochimica et Biophysica Acta. ,vol. 368, pp. 181- 198 ,(1974) , 10.1016/0005-2728(74)90148-0
G. Mourou, M.M. Malley, Molecular orientational relaxation times in liquids Optics Communications. ,vol. 13, pp. 412- 417 ,(1975) , 10.1016/0030-4018(75)90135-2
David M. Jonas, Matthew J. Lang, Yutaka Nagasawa, Taiha Joo, Graham R. Fleming, Pump-probe polarization anisotropy study of femtosecond energy transfer within the photosynthetic reaction center of Rhodobacter sphaeroides R26 The Journal of Physical Chemistry. ,vol. 100, pp. 12660- 12673 ,(1996) , 10.1021/JP960708T