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Three-dimensional structure of protocatechuic acid (A) and molecular structural models of PANE and PAND, protocatechaic acid intercalated between interlayers of Mg/Al-layered double hydroxide (B).
Abbreviations: PAND, protocatechuic acid-Mg/Al nanocomposite synthesized by direct method; PANE, protocatechuic acid-Mg/Al nanocomposite synthesized by ion-exchange method; LDH, layered double hydroxide.
