个人简介

B.S., Haverford College (1996) M.S., Northwestern University (1997) Ph.D., Princeton University (2001) Postdoctoral Fellow, Johns Hopkins University (2001-2004) Awards: Scialog Fellow, Research Corporation for Science Advancement (2013) Milton Plesur Award for Excellence in Teaching, UB Undergraduate Student Association (2011-12) National Science Foundation CAREER Award (2007) James D. Watson Investigator Award (2005)

研究领域

Inorganic Chemistry/Materials Chemistry

Our research involves materials chemistry, surface chemistry, photochemistry, and spectroscopy. We synthesize nanostructured inorganic materials, functionalize their surfaces with molecules and nanoparticles, and study photoinduced charge transfer at the resulting interfaces. Our goals are (1) to synthesize nanostructured materials architectures with intriguing light-harvesting properties and charge-transfer reactivity and potential applications in energy conversion, and (2) to develop, through our fundamental studies, structure-property-reactivity relationships pertaining to surface functionalization and electron transfer at nanostructured interfaces. Current research projects focus on (1) the synthesis of quantum dot-molecule-semiconductor interfaces and the interrogation of their photoinduced charge-transfer reactivity, (2) electron injection from organic dyes to metal oxide semiconductors, and (3) fundamental studies of monolayers and mixed monolayers of adsorbates on porous metal oxide films. Students working in our research group develop skills in synthetic materials chemistry, materials characterization techniques, surface chemistry, time-resolved spectroscopy, photochemistry, and electrochemistry.

近期论文

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Kern, M.E.; Watson, D.F. “Linker-Assisted Attachment of CdSe Quantum Dots to TiO2: Time- and Concentration-Dependent Adsorption, Agglomeration, and Sensitized Photocurrent.” Langmuir 2014, 30, 13294-13300. DOI: 10.1021/la503211k Kern, M.E.; Watson, D.F. “Influence of Dispersion Forces and Ordering on the Compositions of Mixed Monolayers of Alkanoic Acids on Nanocrystalline TiO2” Langmuir 2013, 29, 13797-13807. DOI: 10.1021/la4030519 Coughlin, K.M.; Nevins, J.S.; Watson, D.F. “Aqueous-Phase Linker-Assisted Attachment of Cysteinate(2-)-capped CdSe Quantum Dots to TiO2 for Quantum Dot-Sensitized Solar Cells.” ACS Appl. Mater. Interfaces 2013, 5, 8649-8654. DOI: 10.1021/am402219e Kern, M.E.; Watson, D.F. “Influence of Solvation and the Persistence of Adsorbed Linkers on the Attachment of CdSe Quantum Dots to TiO2 via Linker-Assisted Assembly.” Langmuir 2012, 28, 15598-15605. DOI: 10.1021/la303504u Sellers, D.G.; Watson, D.F. “Probing the Energetic Distribution of Injected Electrons at Quantum Dot-Linker-TiO2” J. Phys. Chem. C 2012, 116, 19215-19224. DOI: 10.1021/jp307196z Mulhern, K.M.; Orchard, A.; Watson, D.F.; Detty, M.R. “Influence of Surface-Attachment Functionality on the Aggregation, Persistence, and Electron-Transfer Reactivity of Chalcogenorhodamine Dyes on TiO2.” Langmuir 2012, 28, 7071-7082. DOI: 10.1021/la302916s Nevins, J.S.; Coughlin, K.M.; Watson, D.F. “Attachment of CdSe Nanoparticles to TiO2 via Aqueous Linker-Assisted Assembly: Influence of Molecular Linkers on Electronic Properties and Interfacial Electron Transfer.” ACS Appl. Mater. Interfaces 2011, 3, 4242-4253. DOI: 10.1021/am200900c Mulhern, K.R.; Detty, M.R.; Watson, D.F. “Aggregation-Induced Increase of the Quantum Yield of Electron Injection from Chalcogenorhodamine Dyes to TiO2.” Phys. Chem. C 2011, 115, 6010-6018. DOI: 10.1021/la503211k Watson, D.F. “Linker-Assisted Assembly and Interfacial Electron-Transfer Reactivity of Quantum Dot-Substrate Architectures.” Phys. Chem. Lett. 2010, 1, 2299-2309. DOI: 10.1021/jz100571u Dibbell, R.S.; Watson, D.F. “Distance-Dependent Electron Transfer in Tethered Assemblies of CdS Quantum Dots and TiO2 Nanoparticles.” J. Phys. Chem. C 2009, 113, 3139-3149. DOI: 10.1021/jp809269m