Hao, Qian-Qian published the artcileModulation of Solid-State Optical Properties of o-Hydroxynaphthoic Acids through Formation of Charge Transfer Cocrystals with TCNB, Formula: C11H8O3, the publication is Crystal Growth & Design (2020), 20(11), 7492-7500, database is CAplus.
Charge transfer cocrystals offer an opportunity to alter the photophys. characteristics of organic chromophores in the solid state. A set of new charge transfer cocrystals of three positional isomers of o-hydroxynaphthoic acid with 1,2,4,5-tetracyanobenzene (TCNB) as the electron acceptor was prepared and subjected to single-crystal and powder X-ray diffraction, thermal anal., vibrational, and UV-vis absorption and fluorescence spectroscopic measurements. Crystal structure analyses reveal that the donor and acceptor mols. are combined in a 2:1 stoichiometric ratio and stacked alternately through a typical mixed face-to-face arrangement (DAD···DAD), forming a columnlike charge transfer structure involving π-stacking interactions. All of the cocrystals exhibit distinct tunable emission colors and photoluminescence characteristics due to the charge transfer transition states. This research indicates that the cocrystal strategy can be applied to effectively modulate the optical properties of o-hydroxynaphthoic acid compounds, which have a great research value in optoelectronic applications. A set of new charge transfer cocrystals of three positional isomers of o-hydroxynaphthoic acid with TCNB as the electron acceptor was successfully prepared and fully characterized, and they exhibit distinct tunable photoluminescence characteristics due to the mixed DAD···DAD columnlike charge transfer structures.
Crystal Growth & Design published new progress about 86-48-6. 86-48-6 belongs to alcohols-buliding-blocks, auxiliary class Organic Pigment,Natural product, name is 1-Hydroxy-2-naphthoic acid, and the molecular formula is C11H8O3, Formula: C11H8O3.
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