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Title: Columnar self-assembly of novel benzylidenehydrazones and their difluoroboron complexes: structure–property correlations†
Authors: Vinayakumara, D R
Swamynathan, K
Kumar, Sandeep
Adhikari, A.V.
Issue Date: 14-May-2019
Publisher: Royal Society of Chemistry
Citation: New Journal of Chemistry, 2019, Vol.43, p7099
Abstract: Organoboron complexes are considered to be an important class of optically dynamic materials and because of their imperative properties, they have been unceasingly studied in a wide range of scientific areas. In this context, a new family of D–A–D0 architectured boron difluoride complexes FB1–4 derived from arylhydrazones HZ1–4 has been synthesized and characterized. The work also deliberates detailed studies on their thermal, self-assembling and optoelectronic properties with respect to structural modifications. The systematic studies reveal that the new arylhydrazone ligands and their BF2 complexes exhibit a prospective columnar mesomorphism with different 2D lattice geometries at room temperature, owing to their critical structural features. Interestingly, an unusual morphological cross-over from a columnar hexagonal to rectangular mesophase has been confirmed in one of the investigated pseudo-discoidal boron complexes, FB4. The optoelectronic studies showcased their ICT dominating dye properties. Finally, the experimental results have been consciously correlated with quantum chemical simulations.
Description: Restricted Access.
ISSN: 1144-0546
Alternative Location:
Copyright: 2019 The Royal Society of Chemistry and the Centre National dela Recherche Scientifique
Appears in Collections:Research Papers (SCM)

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