Abstract
Taking advantage of the outstanding properties of a naphthalenediimide-based entangled porous coordination polymer, a simple strategy for the achievement of white light emission is herein presented. The dynamic structural transformation of the [Zn2(bdc)2(dpNDI)]n metal-organic framework enhances the interactions with aryl-guests giving rise to different luminescence colors upon UV (ultraviolet) illumination. Thus, through the rational selection of those small aromatic guest molecules with different electron donor substituents at the appropriate proportion, the emission color was tuned by mixture ratio of guest molecules and even white light emission was achieved. Furthermore, domains in large crystals with a complementary response to linearly polarized light were noticed.
Highlights
White light emitters are of extreme significance for lighting and display systems [1,2,3], and necessary in any technological device used in everyday life
Discussion orientation beams, which are simultaneously detected by two detector perpendicular channels
Results and Discussion naphthalenediimide (NDI) ligand [34], as it has been shown in aromatic hydrocarbon solvents [35]
Summary
White light emitters are of extreme significance for lighting and display systems [1,2,3], and necessary in any technological device used in everyday life. Different with the characteristic emission in the components green and red region of the processes)lanthanide [16,17,18,19,20] Inmetals this context, combination of somebands luminescent in the scaffold has electromagnetic spectrum, being simultaneously part of the structure of the MOF [21,22]. There exist energy wavelength, transfer processes betweenquenching host frameworks and effect, or even structural transformations due to guest accommodation that result in differences in guest species that can result in the shift of emission wavelength, luminescence quenching or antenna the luminescent intensity [16,25]. In [Zn2 (bdc) (dpNDI)]n crystalline powders and in big single crystals
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