Macromolecular Research

, Volume 10, Issue 4, pp 204–208 | Cite as

Imaging on a vapor deposited film by photopolymerization of a rod-like molecule consisting of two diacetylenic groups

  • Ji Young Chang
  • Kyung Seo
  • Hyun Ju Cho
  • Cheol Ju Lee
  • Changjin Lee
  • Yongku Kang
  • Jaehyung Kim


A linear rod-like molecule, bis[4-(1,3-octadynyl)phenyl] terephthalate (2), consisting of two diacetylenic groups, was prepared. The unsymmetric diacetylene was prepared by the Cadiot-Chodkiewicz coupling reaction of 1-bromohexyne with 4-ethynylphenol and linked to a benzene core by an esterification reaction with terephthaloyl chloride in tetrahydrofuran. The thin film (200 nm thickness) of compound2 was fabricated by the physical vapor deposition on a glass plate with a thermal evaporator. In the X-ray diffraction (XRD) study, the vapor deposited film on the glass plate showed peaks withd spacings of 19.4, 5.7, and 4.5 Å. This XRD pattern was quite different from that observed for compound2 isolated by recrystallization from methylene chloride/hexane. The vapor deposited film was polymerized by UV irradiation. Photopolymerization was carried out through a photomask, resulting in a patterned image, where the irradiated part became isotropic.


photoimaging vapor deposited film rod-like diacetylene molecule 


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Copyright information

© The Polymer Society of Korea and Springer 2002

Authors and Affiliations

  • Ji Young Chang
    • 1
  • Kyung Seo
    • 1
    • 2
  • Hyun Ju Cho
    • 1
    • 2
  • Cheol Ju Lee
    • 1
    • 2
  • Changjin Lee
    • 3
  • Yongku Kang
    • 3
  • Jaehyung Kim
    • 3
  1. 1.School of Materials Science and EngineeringCollege of Engineering ENG445, Seoul National UniversitySeoulKorea
  2. 2.Hyperstructured Organic Materials Research CenterCollege of Engineering ENG445, Seoul National UniversitySeoulKorea
  3. 3.Advanced Materials DivisionKorea Research Institute of Chemical TechnologyTaejonKorea

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