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Morphology and Alignment Transition of Hexabenzocoronene (HBC) Mesogen Films by Bar Coating: Effect of Coating Speed.
Yang, Hao-Chun; Du, You-Sheng; Lee, Jey-Jau; Yeh, Chun-Hong; Tseng, Mei-Chun; Ho, Yi-Chi; Kuo, Han-Wen; Yoshida, Hiroyuki; Fujii, Akihiko; Ozaki, Masanori; Tao, Yu-Tai; Akutagawg, Tomoyuki; Chen, Hsiu-Hui.
Afiliación
  • Yang HC; Department of Molecular Science and Engineering, National Taipei University of Technology, Taipei 106, Taiwan.
  • Du YS; Department of Molecular Science and Engineering, National Taipei University of Technology, Taipei 106, Taiwan.
  • Lee JJ; National Synchrotron Radiation Research Center, Hsinchu 300, Taiwan.
  • Yeh CH; Institute of Chemistry, Academia Sinica, Taipei 115, Taiwan.
  • Tseng MC; Institute of Chemistry, Academia Sinica, Taipei 115, Taiwan.
  • Ho YC; Institute of Chemistry, Academia Sinica, Taipei 115, Taiwan.
  • Kuo HW; Department of Molecular Science and Engineering, National Taipei University of Technology, Taipei 106, Taiwan.
  • Yoshida H; School of Engineering Building VII, Kwansei Gakuin University, Sanda 662-8501, Japan.
  • Fujii A; Department of Electrical and Electronic Systems Engineering, Osaka Institute of Technology, Omiya, Asahi-ku, Osaka 535-8585, Japan.
  • Ozaki M; Division of Electrical, Electronic and Infocommunications Engineering, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan.
  • Tao YT; Institute of Chemistry, Academia Sinica, Taipei 115, Taiwan.
  • Akutagawg T; Graduate School of Engineering, Tohoku University, Sendai 980-8577, Japan.
  • Chen HH; Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan.
Langmuir ; 40(32): 16846-16854, 2024 Aug 13.
Article en En | MEDLINE | ID: mdl-39094224
ABSTRACT
Films of the discotic liquid crystalline hexabenzocoronene (HBC) derivative, HBC-1,3,5-Ph-C12, were prepared on the quartz substrate by the bar-coating method. Depending on the coating speed, regularly spaced stripes or continuous films were observed. In the former case, columns of the HBC derivatives align more along the stripes, which are perpendicular to the coating direction, whereas in the latter case, columns of the HBC derivatives in the film align more along the coating direction. These distinctive structures are confirmed via polarized optical microscopy (POM), polarized UV-vis spectroscopy, and grazing incidence small-angle X-ray scattering measurements.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Langmuir Asunto de la revista: QUIMICA Año: 2024 Tipo del documento: Article País de afiliación: Taiwán Pais de publicación: Estados Unidos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Langmuir Asunto de la revista: QUIMICA Año: 2024 Tipo del documento: Article País de afiliación: Taiwán Pais de publicación: Estados Unidos