Ultrafast variation of the polarized state in proton-π electron coupled ferroelectric cocrystal Phz-H2ca

Akihiro Sugisawa; Tsugumi Umanodan; Hongwu Yu; Tadahiko Ishikawa; Shin-ya Koshihara; Sachio Horiuchi; Yoichi Okimoto

doi:10.1039/D3MA00317E

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Ultrafast variation of the polarized state in proton-π electron coupled ferroelectric cocrystal Phz-H₂ca†

Akihiro Sugisawa,

^a Tsugumi Umanodan,^a Hongwu Yu,

^a Tadahiko Ishikawa,

^a Shin-ya Koshihara,

^a Sachio Horiuchi

^b and Yoichi Okimoto

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, Tokyo Institute of Technology, Meguro, Tokyo 152-8551, Japan
E-mail: okimoto.y.aa@m.titech.ac.jp

^b Research Institute for Advanced Electronics and Photonics (RIAEP), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8565, Japan

Abstract

The photoexcitation dynamics of an organic ferroelectric phenazine-chloranilic cocrystal is studied using time-resolved reflectance and second harmonic generation (SHG) measurements. By exciting intramolecular transition, ultrafast variations of reflectivity and SHG are observed, which are discussed based on the scenario of growth of polarization inversion domains proposed theoretically.

This article is part of the themed collection: Order, disorder and ultrafast phenomena in functional materials

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Article information

DOI: https://doi.org/10.1039/D3MA00317E
Article type: Communication
Submitted: 21 Jun 2023
Accepted: 24 Jul 2023
First published: 25 Jul 2023
This article is Open Access

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Mater. Adv., 2023,4, 5126-5130

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Ultrafast variation of the polarized state in proton-π electron coupled ferroelectric cocrystal Phz-H₂ca

A. Sugisawa, T. Umanodan, H. Yu, T. Ishikawa, S. Koshihara, S. Horiuchi and Y. Okimoto, Mater. Adv., 2023, 4, 5126 DOI: 10.1039/D3MA00317E

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