2022
Microbial biofilms as living photoconductors due to ultrafast electron transfer in cytochrome OmcS nanowires
Neu J, Shipps CC, Guberman-Pfeffer MJ, Shen C, Srikanth V, Spies JA, Kirchhofer ND, Yalcin SE, Brudvig GW, Batista VS, Malvankar NS. Microbial biofilms as living photoconductors due to ultrafast electron transfer in cytochrome OmcS nanowires. Nature Communications 2022, 13: 5150. PMID: 36071037, PMCID: PMC9452534, DOI: 10.1038/s41467-022-32659-5.Peer-Reviewed Original ResearchConceptsUltrafast electron transferElectron transferPhotoconductive atomic force microscopyFemtosecond transient absorption spectroscopyQuantum dynamics simulationsMicrobial electron transferAtomic force microscopyTransient absorption spectroscopyValue-added chemicalsIndividual nanowiresWhole-cell catalysisPhotoconductive materialForce microscopyCarrier densityCatalytic performanceNanowiresAbsorption spectroscopyPhotoactive proteinsEfficient productionPhotoconductorsSynthetic photosensitizersDynamics simulationsGeobacter sulfurreducensBiodegradable materialsElectronic interface
2017
Photodriven Oxidation of Surface-Bound Iridium-Based Molecular Water-Oxidation Catalysts on Perylene-3,4-dicarboximide-Sensitized TiO2 Electrodes Protected by an Al2O3 Layer
Kamire R, Materna K, Hoffeditz W, Phelan B, Thomsen J, Farha O, Hupp J, Brudvig G, Wasielewski M. Photodriven Oxidation of Surface-Bound Iridium-Based Molecular Water-Oxidation Catalysts on Perylene-3,4-dicarboximide-Sensitized TiO2 Electrodes Protected by an Al2O3 Layer. The Journal Of Physical Chemistry C 2017, 121: 3752-3764. DOI: 10.1021/acs.jpcc.6b11672.Peer-Reviewed Original ResearchMolecular water oxidation catalystsDye-sensitized photoelectrochemical cellsWater oxidation catalystsCharge transfer dynamicsSolar fuel productionCharge recombinationAtomic layer depositionHigher photocurrentTransfer dynamicsDye-sensitized TiO2 photoanodesFemtosecond transient absorption spectroscopyCharge transfer rateTransient absorption spectroscopyALD layersFuel productionDicarboximide chromophorePhotodriven oxidationMononuclear catalystsDinuclear catalystsCatalyst oxidationDye moleculesInitial charge injectionMolecular structurePhotoelectrochemical experimentsAbsorption spectroscopy
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