Sensitization of photosensitivity of photothermoplastic holographic recording media by metal (Zinc, Dysprosium) mono-and diphthalocyanines in the presence of praseodymium sesquioxide

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• 作者：N. A. Davidenko ; N. G. Spitsyna ; A. S. Lobach ; M. O. Breusova ; I. P. Kalashnikova ; L. I. Kostenko ; Yu. P. Get¡¯manchuk ; E. V. Mokrinskaya ; L. N. Gumenyuk and N. G. Chuprina ; et al.
• 刊名：High Energy Chemistry
• 出版年：2008
• 出版时间：January, 2008
• 年：2008
• 卷：42
• 期：1
• 页码：45-50
• 全文大小：207.2 KB

文摘

Holographic properties, dark conductivity, and photoconductivity of films based on carbazolyl-containing cooligomer doped with zinc 2,3,9,10,16,17,23,24-octabutylphthalocyanine (PcBuZn), double-decker dysprosium phthalocyanine (Dy(Pc)₂), and Pr₂O₃ particles were studied. The films with PcBuZn are characterized by higher photoconductivity, which is due to photogeneration of long-lived triplet charge pairs. The presence of Dy in the sensitizer molecules or Pr₂O₃ in the films enhances their photoconductivity, a change that is attributed to an increase in the rate of the singlet-triplet intersystem crossing of the charge pairs.