Surface Transition in a Nematic Layer with Reverse Pretilt

Komitov, L.; Lagerwall, S. T.; Sparavigna, Amelia Carolina; Stebler, B.; Strigazzi, Alfredo

doi:10.1080/15421409208048252

Cited by 29 publications

(1 citation statement)

References 22 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The photoalignment technique ensures that LCs are typically aligned on a substrate by irradiating the surface that contains photoreactive molecules with a linearly polarised light (visible or ultraviolet light). Over the past decades, the experimental results of anchoring transition caused by several external factors, such as temperature, [11] electric field [12] and photoisomerisation, [7,[13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31][32] have been reported.…”

Section: Introductionmentioning

confidence: 99%

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

et al. 2016

View full text Add to dashboard Cite

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. ARTICLE HISTORY

show abstract