Discotic Liquid Crystalline Dimers: Chemistry and Applications

Setia, Shilpa; Kumar, Sandeep; Pal, Santanu Kumar

doi:10.1002/9781118998977.ch7

Cited by 2 publications

(1 citation statement)

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“…Thus, they have proved useful for building optoelectronic devices such as wide-view displays, organic light emitting diodes, field effect transistors or solar cells [ 20 , 21 ]. In this context, the development of liquid crystal dimers with chromophoric mesogens is interesting for both fundamental science and practical applications [ 22 , 23 ].…”

Section: Introductionmentioning

confidence: 99%

Mesomorphic Behavior of Symmetric Azomethine Dimers Containing Different Chromophore Groups

Perju

Marin

2021

Molecules

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A series of new azomethine dimers was synthesized by the condensation reaction of flexible bis-benzaldehydes with four aromatic amines containing phenyl, naphthyl, anthracene and pyrene groups. Their right structure was confirmed by FTIR and 1H-NMR spectroscopy and their thermal properties were investigated by thermogravimetric analysis, differential scanning calorimetry and polarized light optical microscopy. A view on their photophysical behavior was gained by UV-vis and photoluminescence spectroscopy. The dimers containing pyrene and anthracene presented liquid crystalline behavior, while the other dimers were crystalline compounds. Two dimers containing pyrene moieties formed mesomorphic glasses and had intense luminescence, promising properties for applications in building optoelectronic devices.

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