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dc.contributor.authorRoy, Syamantak
dc.contributor.authorHazra, Arpan
dc.contributor.authorBandyopadhyay, Arkamita
dc.contributor.authorRaut, Devraj
dc.contributor.authorMadhuri, P. Lakshmi
dc.contributor.authorRao, D. S. Shankar
dc.contributor.authorRamamurty, Upadrasta
dc.contributor.authorPati, Swapan Kumar
dc.contributor.authorPrasad, S. Krishna
dc.contributor.authorMaji, Tapas Kumar
dc.date.accessioned2017-01-24T06:25:42Z-
dc.date.available2017-01-24T06:25:42Z-
dc.date.issued2016
dc.identifier.citationRoy, S.; Hazra, A.; Bandyopadhyay, A.; Raut, D.; Madhuri, P. L.; Rao, D. S. S.; Ramamurty, U.; Pati, S. K.; Prasad, S. K.; Maji, T. K., Reversible Polymorphism, Liquid Crystallinity, and Stimuli-Responsive Luminescence in a Bola-amphiphilic pi-System: Structure-Property Correlations Through Nanoindentation and DFT Calculations. Journal of Physical Chemistry Letters 2016, 7 (20), 4086-4092 http://dx.doi.org/10.1021/acs.jpclett.6b01891en_US
dc.identifier.citationJournal of Physical Chemistry Lettersen_US
dc.identifier.citation7en_US
dc.identifier.citation20en_US
dc.identifier.issn1948-7185
dc.identifier.urihttp://hdl.handle.net/10572/2147-
dc.descriptionRestricted Accessen_US
dc.description.abstractWe report the design, synthesis, detailed characterization, and analysis of a new multifunctional pi-conjugated bola-amphiphilic chromophore: oligo-(p-phenyleneethynylene)-dicarboxylic acid with dialkoxyoctadecyl side chains (OPE-C-18-1). OPE-C-18-1 shows two polymorphs at 123 K (OPE-C-18-1') and 373 K (OPE-C-18-1 ''), whose crystal structures were characterized via single crystal X-ray diffraction. OPE-C-18-1 also exhibits thermotropic liquid crystalline property revealing a columnar phase. The inherent pi-conjugation of OPE-C-18-1 imparts luminescence to the system. Photoluminescence measurements on the mesophase also reveal similar luminescence as in the crystalline state. Additionally, OPE-C-18-1 shows mechano-hypsochromic luminescence behavior. Density functional theory (DFT)-based calculations unravel the origins behind the simultaneous existence of all these properties. Nanoindentation experiments on the single crystal reveal its mechanical strength and accurately correlate the molecular arrangement with the liquid crystalline and mechanochromic luminescence behavior.en_US
dc.description.urihttp://dx.doi.org/10.1021/acs.jpclett.6b01891en_US
dc.language.isoEnglishen_US
dc.publisherAmerican Chemical Societyen_US
dc.rights@American Chemical Society, 2016en_US
dc.subjectChemistryen_US
dc.subjectMaterials Scienceen_US
dc.subjectPhysicsen_US
dc.subjectCenter-Dot-Oen_US
dc.subjectMechanochromic Luminescenceen_US
dc.subjectMolecular Tectonicsen_US
dc.subjectHydrogen-Bonden_US
dc.subjectBehavioren_US
dc.subjectDesignen_US
dc.subjectWateren_US
dc.titleReversible Polymorphism, Liquid Crystallinity, and Stimuli-Responsive Luminescence in a Bola-amphiphilic pi-System: Structure-Property Correlations Through Nanoindentation and DFT Calculationsen_US
dc.typeArticleen_US
Appears in Collections:Research Articles (Swapan Kumar Pati)
Research Articles (Tapas Kumar Maji)

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