Gamelin Research Group

Department of Chemistry, University of Washington

Development and Characterization of New Inorganic Materials
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Our research targets the development and physical characterization of new functional inorganic materials with unusual electronic structures that give rise to desirable photophysical, photochemical, chemical, electronic, magnetic, or magneto-optical properties.

Synthesis: Our group is heavily involved in the synthesis of new inorganic materials on nanometer length scales. We are primarily focused on inorganic semiconductors. Synthesis is generally used in conjunction with spectroscopic measurements to cultivate a physical property of particular interest, but the syntheses themselves often require innovation and lead to new insights of fundamental importance.

Spectroscopy and Magnetism: We are using a wide array of analytical and spectroscopic probes to explore the physical properties of semiconductor nanocrystals and thin films. Techniques include electronic absorption, photoluminescence, magnetic circular dichroism (MCD), magneto-luminescence (MCPL), X-ray absorption, photoconductivity, and electron paramagnetic resonance (EPR) spectroscopies, as well as magnetic susceptibility. These physical studies are supplemented by theoretical electronic structure analyses.

Functional Properties: The combination of innovative syntheses and advanced spectroscopies under one roof offers the powerful opportunity to discover, develop, and ultimately harness the physical properties of new forms of matter. Samples can additionally be probed by simple chemical or redox perturbations to see how they respond, by electro- or photochemical techniques, or by assembly into functional architectures for specific applications, such as solar energy harvesting and conversion, or photodetection. Our iterative "make and measure" strategy accelerates materials development and yields a comprehensive understanding of the physical properties of these materials, bringing us closer to future technological applications.

Key thematic research areas include:

Want to learn more? Check out the publications page.

colloidal ZnO DMS quantum dots