Acta Phys. -Chim. Sin. ›› 2004, Vol. 20 ›› Issue (04): 405-408.doi: 10.3866/PKU.WHXB20040415

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Monitoring Layer-by-layer Assembling of Films Containing Diazo-resines by Attenuated Total Reflection Fourier Transform Infrared Spectroscopy

Liao Wei;Wei Fang;Cao Wei-Xiao;Zhao Xin-Sheng   

  1. State Key Laboratory of Molecular Dynamic and Stable Structures, Department of Chemical Biology,　1Department of Polymer Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing　100871
  • Received:2003-10-31 Revised:2003-12-16 Published:2004-04-15
  • Contact: Zhao Xin-Sheng E-mail:zhaoxs@chem.pku.edu.cn

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Abstract: Attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR) has been successfully applied to quantifying analysis on layer-by-layer assembled macromolecular films containing diazo-resins. From the changes of －CH2－peaks,uniform adsorption of each single layer of macromolecules has been identified. We calculated the ratio of the decomposited －N≡N＋ groups which form covalent bond to all －N≡N＋ groups from the characteristic －N≡N＋ absorption peaks. The results have provided direct and detailed information on the assembling process.

Key words: ATR-FTIR, Macromolecule, Diazo, Film, Si