Nonlinear-Optical Behaviors of a Chiral Metal-Organic Framework Comprised of an Unusual Multioriented Double-Helix Structure

Inorganic Chemistry
Xiaoli HuangYonggang Zhao

Abstract

We present here the synthesis of one enantiomeric pair of metal-organic framework materials comprised of a unique multioriented double-helix structure from an achiral spirocenter ligand. Our study clearly shows that the chiral MOF material encompasses concurrently multiple nonlinear-optical functions in the solid state: the noncentrosymmetric structural feature brings the chiral MOF high second-harmonic-generation efficiency; the incorporation of the spirocenter ligand can efficiently produce two-photon-excited photoluminescence with a larger-action cross-sectional value.

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