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2010•International Journal of the Society of Materials Engineering for ResourcesOpen access

Morphological Evidence of Chirality in Poly (diacetylene) Film Prepared Using Circularly Polarized Light

Hideki Kohn, Tatsunori Shino, Yuki Ohshima, Takaaki Manaka, Mitsumasa Iwamoto

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Abstract

By irradiating evaporated 10,12-pentacosadiynoic acid (p-DA) monomer film with circularly polarized light (CPL), we prepared chiral poly (diacetylene) [PDA] film. The induced chirality was dependent on the rotational direction of the CPL. It was shown that the induced chirality increased with the PDA domain size, regulated by the substrate temperature. AFM image exhibited a morphological evidence of the chirality induced in the PDA film at high substrate temperature.

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By irradiating evaporated 10,12-pentacosadiynoic acid (p-DA) monomer film with circularly polarized light (CPL), we prepared chiral poly (diacetylene) [PDA] film. The induced chirality was dependent on the rotational direction of the CPL. It was shown that the induced chirality increased with the PDA domain size, regulated by the substrate temperature. AFM image exhibited a morphological evidence of the chirality induced in the PDA film at high substrate temperature.

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Available abstract

By irradiating evaporated 10,12-pentacosadiynoic acid (p-DA) monomer film with circularly polarized light (CPL), we prepared chiral poly (diacetylene) [PDA] film. The induced chirality was dependent on the rotational direction of the CPL. It was shown that the induced chirality increased with the PDA domain size, regulated by the substrate temperature. AFM image exhibited a morphological evidence of the chirality induced in the PDA film at high substrate temperature.

Key concepts: Diacetylene, Chirality (physics), Substrate (aquarium), Materials science, Monomer, Crystallography, Photochemistry, Optics

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