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Minhao He

Minhao He

I plan to study the multiple hot-carrier generation processes in twisted graphene system by engineering the van Hov singularities in its flat bands, which can be revolutionary for photovoltaic technologies. Advisor: Xiaodong Xu - Physics ...

Joshua Mutch

I plan to perform systematic studies of carrier lifetimes and diffusion lengths in hybrid organic perovskites by optoelectronic, magnetotransport, and thermodynamic measurements. Advisor: Jiun-Haw Chu - Physics ...

Nathan Wilson

I will systematically explore heterostructures formed by stacking the atomically thin semiconductors WSe2 and MoSe2 by varying their architecture, for example, by inserting a thin dielectric to quench carrier recombination, thus increasing carrier collection efficiency. ...

Maria Viitaniemi

In order to better understand the nature of carrier localization and recombination in InGaN/GaN quantum wells (QWs) used in blue light emitting diodes (LEDs) , we are developing a stimulated emission depletion (STED) microscope tailored to InGaN QWs. STED microscopy is widely used in biological systems to achieve far-field spatial resolution below the diffraction limit. ...

Evan Jahrman

I would optimize and apply in-house x-ray spectroscopy, including CEI-XANES, to provide rapid feedback on cathode materials as part of a collaboration between industry, national lab (ANL) and the Seidler group at the UW. ...

Wenjin Zhao

Heterostructures of 2D materials, such as those formed by stacking monolayers of the semiconductors MoSe2 and WSe2, offer potential new routes to efficient, stable and flexible solar cells. ...

Paul Nguyen

Solar energy technology combines materials tailored to exploit the physics at their junctions which enable light energy collection, and extraction as electricity. A promising class of candidate materials is the layered semiconducting transition metal dichalcogenides (TMDs). Advisor: David Cobden, Physics ...

Todd Karin

The III-V semiconductor material system takes a prominent place in the arsenal of light-harvesting and light-producing technologies: it is used in commercial LEDs and in the highest efficiency solar cells. Advisor: Kai-Mei Fu, Physics ...