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Oh-e M, Yokoyama H, Yorozuya S, et al. Sum-frequency vibrational spectroscopy of a helically structured conjugated polymer. Phys Rev Lett. 2004;93(26):267402doi: 10.1103/PhysRevLett.93.267402.
Oh-e, M., Yokoyama, H., Yorozuya, S., Akagi, K., Belkin, M. A., & Shen, Y. R. (2004). Sum-frequency vibrational spectroscopy of a helically structured conjugated polymer. Physical review letters, 93(26), 267402. https://doi.org/10.1103/PhysRevLett.93.267402
Oh-e, Masahito, et al. "Sum-frequency vibrational spectroscopy of a helically structured conjugated polymer." Physical review letters vol. 93,26 (2004): 267402. doi: https://doi.org/10.1103/PhysRevLett.93.267402
Oh-e M, Yokoyama H, Yorozuya S, Akagi K, Belkin MA, Shen YR. Sum-frequency vibrational spectroscopy of a helically structured conjugated polymer. Phys Rev Lett. 2004 Dec 31;93(26):267402. doi: 10.1103/PhysRevLett.93.267402. Epub 2004 Dec 22. PMID: 15698021.
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Phys Rev Lett. 2004 Dec 31;93(26):267402. doi: 10.1103/PhysRevLett.93.267402. Epub 2004 Dec 22.

Sum-frequency vibrational spectroscopy of a helically structured conjugated polymer.

Physical review letters

Masahito Oh-e, Hiroshi Yokoyama, Shinichi Yorozuya, Kazuo Akagi, M A Belkin, Y R Shen

Affiliations

  1. Yokoyama Nano-structured Liquid Crystal Project, ERATO, and Liquid Crystal Nano-system, SORST, Japan Science & Technology Agency, 5-9-9 Tokodai, Tsukuba, Ibaraki 300-2635 Japan. [email protected]

PMID: 15698021 DOI: 10.1103/PhysRevLett.93.267402

Abstract

Sum-frequency vibrational spectroscopy was used as a novel technique to probe the molecular chirality of thin polymer films. Chiral vibrational spectra of poly(bithienylene-phenylene) were obtained, and the two enantiomers were distinguished by an interference method. Vibration-electronic double resonance was responsible for the observation of unusually strong chiral spectra of the phenylene vibration modes.

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