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Abstract The reaction between 1,4-benzenedicarboxylic acid and Pb(NO3)2 in the presence of hydrogen peroxide and triethylamine with mechanochemical solid–solid and solid–gas processes results in formation of [Pb(1,4-BDC)(C2H5OH)(C2H5OH)]n (1) nanoflowers. This… Click to show full abstract
Abstract The reaction between 1,4-benzenedicarboxylic acid and Pb(NO3)2 in the presence of hydrogen peroxide and triethylamine with mechanochemical solid–solid and solid–gas processes results in formation of [Pb(1,4-BDC)(C2H5OH)(C2H5OH)]n (1) nanoflowers. This compound also recognized as MOF-70. The MOF-70 porosity did not maintain by heating up to 100 °C and converted to nonporous coordination polymer of [Pb(1,4-BDC)]n (2) with agglomerated nanoparticle morphology. Thus the pore destruction in 1 during removal of coordinated EtOH molecules and formation of 2 with higher thermal stability than 1 are two driving force during this irreversible conversion.
Journal Title: Polyhedron
Year Published: 2018
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