Improvement in Thermal Stability and Temperature Dependence of Diffractivity in Low-$T_{\text{g}}$ Photorefractive Polymers Dispersed with Plasticizers

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著者

    • Tanaka Shin-ya Tanaka Shin-ya
    • Department of Material and Life Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
    • Yokoyama Masaaki
    • Department of Material and Life Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan

抄録

In the study to solve on the thermal instability due to the crystallization of additives for poly-N-vinylcarbazole (PVK)-based low-$T_{\text{g}}$ photorefractive polymers with ethylcarbazole (EtCz) as a plasticizer, it has been found that the addition of a dimeric analog of PVK, 1,3-biscarbazolyl propane (BisCzPro), is very effective, and the replacement of EtCz with BisCzPro or EtCz/BisCzPro mixtures enables us to control glass transition temperature ($T_{\text{g}}$) by changing the amount ratio of the additives and examine the temperature dependence of diffractivity while maintaining a transparent uniform film at high temperatures. As a result, we have clearly observed the existence of a specific temperature showing a maximum diffractivity, which is presumed to have resulted the decrease in the space field due to the detrapping and recombination of space charges by thermal agitation.

収録刊行物

  • Japanese journal of applied physics. Pt. 1, Regular papers & short notes

    Japanese journal of applied physics. Pt. 1, Regular papers & short notes 43(9A), 6097-6100, 2004-09-15

    Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physics

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各種コード

  • NII論文ID(NAID)
    10013573582
  • NII書誌ID(NCID)
    AA10457675
  • 本文言語コード
    EN
  • 資料種別
    ART
  • 雑誌種別
    大学紀要
  • ISSN
    0021-4922
  • NDL 記事登録ID
    7079452
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z53-A375
  • データ提供元
    CJP書誌  NDL  J-STAGE  JSAP 
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