AI Article Synopsis

  • A cobaloxime catalyst, Co(dmgH)(4-HEP)Cl, with a hydroxo-functionalized pyridine ligand, was studied for its ability to produce hydrogen (H) efficiently.
  • The catalyst was immobilized on a chromium terephthalate metal-organic framework (MOF), MIL-101(Cr), creating a hybrid that showed improved photocatalytic activity for hydrogen evolution.
  • While the lifespan of the cobaloxime catalyst improved with the MOF, its stability was restricted by the strength of the bond between cobalt and the pyridine ligand during catalytic reactions.

Article Abstract

A cobaloxime H evolution catalyst with a hydroxo-functionalized pyridine ligand, Co(dmgH)(4-HEP)Cl [dmgH = dimethylglyoxime, 4-HEP = 4-(2-hydroxyethyl)pyridine] was immobilized on a chromium terephthalate metal-organic framework (MOF), MIL-101(Cr), to construct a MOF-catalyst hybrid which displays good photocatalytic H evolution activity. The longevity of the cobaloxime catalyst is increased by MOF incorporation, but limited by the stability of the cobalt-pyridine bond under turnover conditions.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6130847PMC
http://dx.doi.org/10.1039/c8se00072gDOI Listing

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