High performance polyimides for applications in microelectronics and flat panel displays

M Ree - Macromolecular Research, 2006 - Springer
Polyimides (PIs) exhibit excellent thermal stability, mechanical, dielectric, and chemical
resistance properties due to their heterocyclic imide rings and aromatic rings on the …

Liquid crystal devices for beam steering applications

R Morris, C Jones, M Nagaraj - Micromachines, 2021 - mdpi.com
Liquid crystals are valuable materials for applications in beam steering devices. In this
paper, an overview of the use of liquid crystals in the field of adaptive optics specifically for …

Nonlinear optical studies of liquid crystal alignment on a rubbed polyvinyl alcohol surface

X Wei, SC Hong, X Zhuang, T Goto, YR Shen - Physical Review E, 2000 - APS
Sum-frequency vibrational spectroscopy and second-harmonic generation have been used
to measure the orientational distributions of the polymer chains and adsorbed 8CB liquid …

Super-aligned carbon nanotube films as aligning layers and transparent electrodes for liquid crystal displays

W Fu, L Liu, K Jiang, Q Li, S Fan - Carbon, 2010 - Elsevier
Super-aligned carbon nanotube (CNT) film is a transparent conductive film composed of
numerous parallel CNTs connected to each other by the van der Waals force. We have …

Sum-frequency vibrational spectroscopic study of a rubbed polymer surface

X Wei, X Zhuang, SC Hong, T Goto, YR Shen - Physical review letters, 1999 - APS
Sum-frequency vibrational spectroscopy has been used to probe the chain orientation of
polyvinyl alcohol at the surface after rubbing. The distribution function of the chain …

Alignment of nematic liquid crystals using carbon nanotube films

JM Russell, S Oh, I LaRue, O Zhou, ET Samulski - Thin Solid Films, 2006 - Elsevier
Single-walled carbon nanotube bundles were deposited onto glass substrates with
controlled nanotube orientation by two methods, self-assembly and dip-coating, generating …

Surface morphology, molecular reorientation, and liquid crystal alignment properties of rubbed nanofilms of a well-defined brush polyimide with a fully rodlike …

B Chae, SB Kim, SW Lee, SI Kim, W Choi, B Lee… - …, 2002 - ACS Publications
Nanoscaled films of poly {p-phenylene 3, 6-bis [4-(n-butoxy) phenyloxy] pyromellitimide}(C4-
PMDA-PDA PI), a well-defined brush polyimide (PI) composed of aromatic− aliphatic bristles …

Quantitative characterization of obliquely deposited substrates of gold by atomic force microscopy: influence of substrate topography on anchoring of liquid crystals

JJ Skaife, NL Abbott - Chemistry of materials, 1999 - ACS Publications
We report the use of atomic force microscopy (AFM) to characterize quantitatively the
structural anisotropy within ultrathin (thickness of∼ 10 nm) obliquely deposited films of gold …

Alignment of liquid crystals on polyimide films exposed to ultraviolet light

JH Kim, S Kumar, SD Lee - Physical Review E, 1998 - APS
The influence of unpolarized and linearly polarized UV exposure on previously rubbed as
well untreated thin polyimide (PI) alignment layers was studied. Optical retardation and …

Switching of ferroelectric liquid crystal doped with cetyltrimethylammonium bromide-assisted CdS nanostructures

K Pal, UN Maiti, TP Majumder, SC Debnath… - …, 2013 - iopscience.iop.org
Large scale high yield cadmium sulfide (CdS) nanowires with uniform diameter were
synthesized using a rapid and simple solvo-chemical and hydrothermal route assisted by …