2023
Engineering Band Gap and Photoconduction in Semiconducting Metal Organic Frameworks: Metal Node Effect
Nyakuchena J, Ostresh S, Neu J, Streater D, Cody C, Hooper R, Zhang X, Reinhart B, Brudvig G, Huang J. Engineering Band Gap and Photoconduction in Semiconducting Metal Organic Frameworks: Metal Node Effect. The Journal Of Physical Chemistry Letters 2023, 14: 5960-5965. PMID: 37345878, DOI: 10.1021/acs.jpclett.3c00499.Peer-Reviewed Original ResearchMetal nodesMetal charge-transfer stateMetal-organic frameworksSquare-planar coordinationCharge transfer stateMixed valence stateBand gapX-ray absorptionTime-resolved opticalOrganic frameworksSmall band gapPhotophysical propertiesPlanar coordinationTransfer statePhotocatalytic propertiesValence stateStructural preferencesMOFOctahedral sphereEngineering band gap
2022
Revealing the Structure of Single Cobalt Sites in Carbon Nitride for Photocatalytic CO2 Reduction
Huang P, Huang J, Li J, Pham T, Zhang L, He J, Brudvig G, Deskins N, Frenkel A, Li G. Revealing the Structure of Single Cobalt Sites in Carbon Nitride for Photocatalytic CO2 Reduction. The Journal Of Physical Chemistry C 2022, 126: 8596-8604. DOI: 10.1021/acs.jpcc.2c01216.Peer-Reviewed Original ResearchPhotocatalytic CO2 reductionSingle CO2CO2 reductionCarbon nitrideX-ray absorption spectroscopyCo-N bond lengthsImproved catalytic propertiesSingle Cobalt SitesMode of coordinationMore edge sitesGraphitic carbon nitrideObserved enhancement effectMetal centerCatalytic propertiesC3N4 materialsAbsorption spectroscopyBond lengthsSpectroscopic toolsPhotocatalytic propertiesExcellent activityCobalt sitesEdge sitesC3N4 flakesBinding energiesLight absorption