Charge transport in hexagonal columnar liquid crystals self-organized from supramolecular cylinders based on acene-functionalized dendrons

2003 ◽  
Vol 67 (3) ◽  
Author(s):  
I. Shiyanovskaya ◽  
K. D. Singer ◽  
V. Percec ◽  
T. K. Bera ◽  
Y. Miura ◽  
...  
Keyword(s):  
Liquid Crystals ◽  
Charge Transport ◽  
Self Organized ◽  
Hexagonal Columnar

Optoelectronic exploration of novel non-symmetrical star-shaped discotic liquid crystals based on cyanopyridine

2018 ◽  
Vol 42 (20) ◽  
pp. 16999-17008 ◽  
Author(s):  
D. R. Vinayakumara ◽  
K. Swamynathan ◽  
Sandeep Kumar ◽  
Airody Vasudeva Adhikari
Keyword(s):  
Liquid Crystals ◽  
Charge Transport ◽  
Transport Properties ◽  
Blue Light ◽  
Room Temperature ◽  
Light Emission ◽  
Discotic Liquid Crystals ◽  
Blue Light Emission ◽  
Hexagonal Columnar

Novel unsymmetrical star-shaped cyanopyridines were shown to possess an ordered hexagonal columnar assembly at room temperature. Their inherent intramolecular charge transport properties cause a technologically important intense blue light emission in the aggregated state.

Hydrogen-bonding induced melamine-core supramolecular discotic liquid crystals

2017 ◽  
Vol 5 (35) ◽  
pp. 9165-9173 ◽  
Author(s):  
Ling-Xiang Guo ◽  
Yu-Han Liu ◽  
Li Wang ◽  
Meng Wang ◽  
Bao-Ping Lin ◽  
...  
Keyword(s):  
Hydrogen Bonding ◽  
Liquid Crystals ◽  
Discotic Liquid Crystals ◽  
Hexagonal Columnar

A variety of hydrogen-bonding induced melamine-core supramolecular discotic liquid crystals possessing hexagonal columnar, rectangular columnar and square columnar phases are described.

scholarly journals Temperature-Dependent X-Ray Studies of Discotic Hexagonal Columnar Mesophases in Trinuclear Gold(I) Pyrazolate Complex

2021 ◽  
Vol 17 (3) ◽  
pp. 285-294
Author(s):  
Mohamad Azani Abd Khadir Jalani ◽  
Hendrik O. Lintang ◽  
Siew Ling Lee ◽  
Juan Matmin ◽  
Nur Fatiha Ghazalli ◽  
...  
Keyword(s):  
Liquid Crystals ◽  
Liquid Crystalline ◽  
Variable Temperature ◽  
Gold Complex ◽  
Scanning Calorimetry ◽  
X Ray ◽  
Heating And Cooling ◽  
Depth Study ◽  
Columnar Mesophases ◽  
Hexagonal Columnar

Gold(I) pyrazolate complex ([Au3Pz3]C10TEG) has been widely studied due to its interesting liquid crystalline properties by exhibiting the discotic hexagonal columnar arrangement. Generally, the liquid crystalline properties of the gold complex were confirmed based on their differential scanning calorimetry thermogram and polarized optical microscopy (POM) images. However, there is still no in-depth study on the phase transition in liquid crystals of [Au3Pz3]C10TEG especially on its structural change at variable temperature. In this study, the resulting liquid crystalline properties of [Au3Pz3]C10TEG upon being heated and cooled was extensively demonstrated via variable-temperature POM (VT-POM) and small angle X-ray scattering (VT-SAXS). Based on the VT-POM images, it was indicated that [Au3Pz3]C10TEG displayed a fan-shaped texture for typical arrangements of discotic hexagonal columnar of liquid crystals. Moreover, VT-SAXS results was in good agreement with the VT-POM images as it showed that [Au3Pz3]C10TEG might consist of two types of stacking system, which are ordered and disordered hexagonal discotic arrangements. Likewise, VT-SAXS analysis also demonstrated that hexagonal columnar mesophase of [Au3Pz3]C10TEG could be recovered even after the heating and cooling for two cycles.

Supramolecular [60]Fullerene Liquid Crystals Formed By Self-Organized Two-Dimensional Crystals

2014 ◽  
Vol 127 (1) ◽  
pp. 116-119 ◽  
Author(s):  
Xiaoyan Zhang ◽  
Chih-Hao Hsu ◽  
Xiangkui Ren ◽  
Yan Gu ◽  
Bo Song ◽  
...  
Keyword(s):  
Liquid Crystals ◽  
Two Dimensional ◽  
Self Organized

Liquid crystals containing a 2,6-disubstituted anthracene core—mesomorphism, charge transport and photochemical properties

2003 ◽  
Vol 13 (7) ◽  
pp. 1622-1630 ◽  
Author(s):  
Stéphane Méry ◽  
Denis Haristoy ◽  
Jean-François Nicoud ◽  
Daniel Guillon ◽  
Hirosato Monobe ◽  
...  
Keyword(s):  
Liquid Crystals ◽  
Charge Transport ◽  
Photochemical Properties

Elastic properties of hexagonal columnar mesophase self-organized from amphiphilic supramolecular columns

2002 ◽  
Vol 80 (3) ◽  
pp. 395-397 ◽  
Author(s):  
Hee-Tae Jung ◽  
Sang Ouk Kim ◽  
S. D. Hudson ◽  
V. Percec
Keyword(s):  
Elastic Properties ◽  
Self Organized ◽  
Hexagonal Columnar

Supramolecular [60]Fullerene Liquid Crystals Formed By Self-Organized Two-Dimensional Crystals

2014 ◽  
Vol 54 (1) ◽  
pp. 114-117 ◽  
Author(s):  
Xiaoyan Zhang ◽  
Chih-Hao Hsu ◽  
Xiangkui Ren ◽  
Yan Gu ◽  
Bo Song ◽  
...  
Keyword(s):  
Liquid Crystals ◽  
Two Dimensional ◽  
Self Organized

Multifunctional Materials via Molecular Self-Organization into Liquid-Crystalline Phase

2008 ◽  
Vol 47-50 ◽  
pp. 165-168 ◽  
Author(s):  
Suk Wah Tam-Chang ◽  
Delfin Mahinay ◽  
Li Ming Huang
Keyword(s):  
Liquid Crystals ◽  
Organic Compound ◽  
Crystalline Phase ◽  
Liquid Crystalline ◽  
Liquid Crystalline Phase ◽  
Self Organization ◽  
Local Order ◽  
Self Organized ◽  
Polymer Template ◽  
Micrometer Scale

In this paper, we described the synthesis of N,N’-di-(2-ammoniumethyl)perylene- 3,4,9,10-bis(dicarboximide) ditrifluoroacetate (1), an ionic organic compound that self-organized to give chromonic liquid crystals and anisotropic crystals. Using a polymer template with micrometer-scale features to direct the ordered arrangement of 1, patterned structure with micrometer-scale local order was fabricated. The anisotropic (direction-dependent) properties of the crystals and micropatterns of 1 were investigated.

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