期刊論文

學年 76
學期 1
出版(發表)日期 1987-12-01
作品名稱 Syntheses and Eletrical Conductivities of 9-Fluorenone-iodine-alkali Iodide Complexes
作品名稱(其他語言)
著者 Yang, H. S.; 王啟銘; Wang, C. M.
單位 淡江大學化學學系
出版者 臺北市:中國化學學會
著錄名稱、卷期、頁數 中國化學會會誌=Journal of the Chinese Chemical Society 34(4),頁301-307
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.
關鍵字
語言 en
ISSN 0009-4536
期刊性質 國內
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產學合作
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國別 TWN
公開徵稿
出版型式 ,電子版,紙本
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