Photoinduced ionic to neutral phase transition in TTF-CA studied by time-resolved infrared vibrational spectroscopy

Y. Matsubara; T. Yoshida; T. Ishikawa; Y. Okimoto; S. Y. Koshihara; K. Onda

doi:10.12693/APhysPolA.121.340

Photoinduced ionic to neutral phase transition in TTF-CA studied by time-resolved infrared vibrational spectroscopy

Y. Matsubara, T. Yoshida, T. Ishikawa, Y. Okimoto, S. Y. Koshihara, K. Onda

Inorganic and Analytical Chemistry

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

We studied the photoinduced ionic to neutral phase transition in tetrathiafulvalene-p-chloranil (TTF-CA) using time-resolved infrared vibrational spectroscopy. By monitoring the charge sensitive b_1uυ ₁₀ band of CA after photoexcitation by a 1.55 eV pulse, we found that the photoinduced N-phase has the same charge of the N-phase in thermal equilibrium and there is no charge variation during the photoinduced phase transition. We also found that the photoinduced N-phase grows through at least two steps over 300 ps.

Original language	English
Pages (from-to)	340-342
Number of pages	3
Journal	Acta Physica Polonica A
Volume	121
Issue number	2
DOIs	https://doi.org/10.12693/APhysPolA.121.340
Publication status	Published - Feb 2012

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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title = "Photoinduced ionic to neutral phase transition in TTF-CA studied by time-resolved infrared vibrational spectroscopy",

abstract = "We studied the photoinduced ionic to neutral phase transition in tetrathiafulvalene-p-chloranil (TTF-CA) using time-resolved infrared vibrational spectroscopy. By monitoring the charge sensitive b1uυ 10 band of CA after photoexcitation by a 1.55 eV pulse, we found that the photoinduced N-phase has the same charge of the N-phase in thermal equilibrium and there is no charge variation during the photoinduced phase transition. We also found that the photoinduced N-phase grows through at least two steps over 300 ps.",

author = "Y. Matsubara and T. Yoshida and T. Ishikawa and Y. Okimoto and Koshihara, {S. Y.} and K. Onda",

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AU - Matsubara, Y.

AU - Yoshida, T.

AU - Ishikawa, T.

AU - Okimoto, Y.

AU - Koshihara, S. Y.

AU - Onda, K.

PY - 2012/2

Y1 - 2012/2

N2 - We studied the photoinduced ionic to neutral phase transition in tetrathiafulvalene-p-chloranil (TTF-CA) using time-resolved infrared vibrational spectroscopy. By monitoring the charge sensitive b1uυ 10 band of CA after photoexcitation by a 1.55 eV pulse, we found that the photoinduced N-phase has the same charge of the N-phase in thermal equilibrium and there is no charge variation during the photoinduced phase transition. We also found that the photoinduced N-phase grows through at least two steps over 300 ps.

AB - We studied the photoinduced ionic to neutral phase transition in tetrathiafulvalene-p-chloranil (TTF-CA) using time-resolved infrared vibrational spectroscopy. By monitoring the charge sensitive b1uυ 10 band of CA after photoexcitation by a 1.55 eV pulse, we found that the photoinduced N-phase has the same charge of the N-phase in thermal equilibrium and there is no charge variation during the photoinduced phase transition. We also found that the photoinduced N-phase grows through at least two steps over 300 ps.

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