Interrogating the intramolecular charge-transfer state of a julolidine-anthracene donor-acceptor molecule with femtosecond stimulated raman spectroscopy

Jenny V. Lockard; Annie Butler Ricks; Dick T. Co; Michael R. Wasielewski

doi:10.1021/jz900136a

Interrogating the intramolecular charge-transfer state of a julolidine-anthracene donor-acceptor molecule with femtosecond stimulated raman spectroscopy

Jenny V. Lockard, Annie Butler Ricks, Dick T. Co, Michael R. Wasielewski

Northwestern University

Research output: Contribution to journal › Article

40 Citations (Scopus)

Abstract

The nature of the lowest-energy charge-transfer (CT)excited state of the donor-acceptor molecule, 3,5-dimethyl-4-(9-anthracenyl)julolidine (DMJ-An) is investigated using femtosecond stimulated Raman spectroscopy. Transient Raman spectra are presented with subpicosecond time resolution, and peaks are assigned based on the published Raman modes of the reference molecule phenyl anthracene. The results indicate that the CTexcited state is dominated by a fully charge separated radical ion pair state with minimal contribution from the local anthracene π-π* state.

Original language	English
Pages (from-to)	215-218
Number of pages	4
Journal	Journal of Physical Chemistry Letters
Volume	1
Issue number	1
DOIs	https://doi.org/10.1021/jz900136a
Publication status	Published - Jan 1 2010

Keywords

Kinetics
Spectroscopy

ASJC Scopus subject areas

Materials Science(all)
Physical and Theoretical Chemistry

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10.1021/jz900136a

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Lockard, J. V., Ricks, A. B., Co, D. T., & Wasielewski, M. R. (2010). Interrogating the intramolecular charge-transfer state of a julolidine-anthracene donor-acceptor molecule with femtosecond stimulated raman spectroscopy. Journal of Physical Chemistry Letters, 1(1), 215-218. https://doi.org/10.1021/jz900136a

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abstract = "The nature of the lowest-energy charge-transfer (CT)excited state of the donor-acceptor molecule, 3,5-dimethyl-4-(9-anthracenyl)julolidine (DMJ-An) is investigated using femtosecond stimulated Raman spectroscopy. Transient Raman spectra are presented with subpicosecond time resolution, and peaks are assigned based on the published Raman modes of the reference molecule phenyl anthracene. The results indicate that the CTexcited state is dominated by a fully charge separated radical ion pair state with minimal contribution from the local anthracene π-π* state.",

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AU - Wasielewski, Michael R.

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