チオピロロピロールの固体スペクトルと光ディスクへの応用 Solid-State Spectra of Dithioketopyrrolopyrrole and their Application to Optical Disks

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Dithioketopyrrolopyrrole (blue pigment) is known to crystallize in three crystal phases I, II and III, among which only modification III exhibits an intense near-IR absorption. The mechanism of the near-IR absorption has been discussed on the basis of the crystal structure and exciton coupling effects. The J-aggregate-like molecular stack characterized by "bricks in a brick wall" is found to be responsible for the near-IR absorption. The switching of the near-IR absorptin by forming or disturbing the J-aggregate-like structure can be applied to an optical disk of the "write once" type. The disk developed exhibits a reflectivity change from about 30% to 45% on writing with a power of about 9mW at 780nm.

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  • 日本結晶学会誌  

    日本結晶学会誌 39(2), 188-194, 1997-04-28 

    The Crystallographic Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002589585
  • NII書誌ID(NCID)
    AN00188364
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03694585
  • NDL 記事登録ID
    4203628
  • NDL 雑誌分類
    ZM46(科学技術--地球科学--岩石・鉱物・鉱床)
  • NDL 請求記号
    Z15-138
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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