Effect of surface condition on liquid crystal photoalignment by light-induced azo dye adsorption phenomena

Shao Chun Weng, Andy Ying Guey Fuh, Fu Ching Tang, Ko Ting Cheng

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8 引文 斯高帕斯(Scopus)

摘要

The effect of surface condition on the photoalignment of light-induced methyl red (MR) adsorption phenomena on various substrates based on azo dye-doped liquid crystals is investigated. The results show that the polar surface energy determines the initiation of MR adsorption phenomena. The surface polarity energy of different substrates, which are modulated by oxygen plasma treatment (OPT), is further examined using the sessile drop method. The results also indicate that the uniformity and efficiency of MR adsorption can be enhanced by OPT. Light intensity influences the MR adsorption rate. The uniformity of MR adsorption onto various substrates is analysed via polarised optical microscopy.

原文English
頁(從 - 到)1221-1229
頁數9
期刊Liquid Crystals
43
發行號9
DOIs
出版狀態Published - 2016 七月 14

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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