淡江大學機構典藏:Item 987654321/25281
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    題名: Syntheses and Eletrical Conductivities of 9-Fluorenone-iodine-alkali Iodide Complexes
    作者: Yang, H. S.;王啟銘;Wang, C. M.
    貢獻者: 淡江大學化學學系
    關鍵詞: 9-fluorenone;iodine;alkali iodide;conductivity;Raman spectra;IR spectra
    日期: 1987-12-01
    上傳時間: 2013-07-29 13:43:57 (UTC+8)
    出版者: 臺北市:中國化學學會
    摘要: A new series of 9-fluorenone-iodine-alkali iodide complexes (FIMI, M=Na, K, Rb or Cs) has been prepared from chloroform. These complexes yield needle-like crystals with metalic luster along the needle axis. The longitudinal dc conductivities at room temperature are in the order of 10/sup -3/to 10/sup -5/ S cm/sup -1/. They all have semiconductive properties with activation energies of about 0.4 to 0.7 eV. A significant result is that the conductivity varies systematically with the cation size. A decrease in the cation results in an increase in the conductivity. Resonance Raman spectra show that iodine is present as a linear chain of symmetric I/sub 3//sup -/ units in these complexes. Infrared spectra of these complexes are discussed with an attempt to estimate the interaction between the alkali cation and the carbonyl group of 9-fluorenone.
    關聯: 中國化學會會誌=Journal of the Chinese Chemical Society 34(4),頁301-307
    DOI: 10.1002/jccs.198700046
    顯示於類別:[化學學系暨研究所] 期刊論文

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