イワクラ イズミ   Iwakura Izumi
  岩倉 いずみ
   所属   神奈川大学  化学生命学部 応用化学科
    神奈川大学大学院  工学研究科 工学専攻(応用化学領域)
   職種   教授
言語種別 英語
発行・発表の年月 2013/07
形態種別 学術雑誌
査読 査読あり
標題 Vibrational and electronic relaxation in MEH-PPV using few cycle pulses.
執筆形態 共著
掲載誌名 Chemical Physics Letters
掲載区分国外
巻・号・頁 579,pp.51-57
国際共著 国際共著
著者・共著者 takayoshi Kobayashi, Munenori Yamashita, Juan Du, Jun Zhang, Izumi Iwakura
概要 The electronic population decay time is determined to be about 500 fs in (poly-[2-methoxy-5-(2'-ethyl-hexyloxy)-p-phenylenevinylene] (MEH-PPV) using 5.7 fs pulses. The ultrafast electronic dephasing time and the self-trapping time of free exciton to form an exciton polaron is determined as 25 fs and 50 fs, respectively. Real-time spectrogram analysis reveals dynamic mode coupling among the high-frequency and low-frequency modes. The energy-ladder descent vibrational process is clarified using the first moment of the difference absorption spectrum. The phase relaxation time is calculated from the widths of the Fourier spectra of several strongly coupled modes.
DOI https://doi.org/10.1016/j.cplett.2013.06.029
researchmap用URL https://www.sciencedirect.com/science/article/pii/S000926141300804X