272 citations · 457 across the 11 of their papers we have counts for
12 papers
Visualizing Degradation in Anode-Free High-Utilization Aqueous Batteries Across Cell Lifetime
Sofia K. Catalina, Kyle Frohna, Willow Thompson +6
Operando microscopy has unveiled key mechanistic insights in battery materials during early cycling, but long-term characterization to unveil material evolution, degradation, and f…
Metal Halide Perovskites for Violet and Ultraviolet Light Emission
Sebastian Fernández, Manchen Hu, Tyler K. Colenbrander +2
Emissive metal halide perovskites (MHPs) have emerged as excellent candidates for next-generation optoelectronics due to their sharp color purity, inexpensive processing, and bandg…
Lead-Free Europium Halide Perovskite Nanoplatelets
Sebastian Fernández, Divine Mbachu, Manchen Hu +9
Metal halide perovskites possess desirable optical, material, and electrical properties which have had substantial impact on next-generation optoelectronics. However, given the tox…
Low Power, Scalable Nanofabrication via Photon Upconversion
Qi Zhou, Hao-Chi Yen, Qizhen Lan +12
Micro- and nanoscale fabrication, which enables precise construction of intricate three-dimensional structures, is of foundational importance for advancing innovation in plasmonics…
All-passive upconversion of incoherent near-infrared light at intensities down to 10 W/cm
Rabeeya Hamid, Demeng Feng, Pournima Narayanan +10
Frequency upconversion, which converts low-energy photons into higher-energy ones, typically requires intense coherent illumination to drive nonlinear processes or the use of exter…
Universal mechanism of luminescence enhancement in doped perovskite nanocrystals from symmetry analysis
Ghada H. Ahmed, Yun Liu, Ivona Bravić +7
Metal-halide perovskite nanocrystals have demonstrated excellent optoelectronic properties for light-emitting applications. Isovalent doping with various metals (M2+) can be used t…
Triplet Fusion Upconversion Nanocapsules for Volumetric 3D Printing
Samuel N. Sanders, Tracy H. Schloemer, Mahesh K. Gangishetty +5
Two-photon photopolymerization delivers prints without support structures and minimizes layering artifacts in a broad range of materials. This volumetric printing approach scans a…
Halide mixing inhibits exciton transport in two-dimensional perovskites despite phase purity
Michael Seitz, Marc Meléndez, Peyton York +7
Metal-halide perovskites are a versatile material platform for light-harvesting and light-emitting applications as their variable chemical composition allows the optoelectronic pro…
Passive frequency conversion of ultraviolet images into the visible using perovskite nanocrystals
Jad Salman, Mahesh K. Gangishetty, Bryan E. Rubio-Perez +8
We demonstrate a passive down-conversion imaging system that converts broadband ultraviolet light to narrow-band green light while preserving the directionality of rays, and thus e…
Mapping the Trap-State Landscape in 2D Metal-Halide Perovskites using Transient Photoluminescence Microscopy
Michael Seitz, Marc Meléndez, Nerea Alcázar-Cano +3
Transient microscopy is of vital importance in understanding the dynamics of optical excited states in optoelectronic materials, as it allows for a direct visualization of the move…
Mechanism of carrier localization in doped perovskite nanocrystals for bright emission
Sascha Feldmann, Mahesh Gangishetty, Ivona Bravic +7
Nanocrystals based on metal-halide perovskites offer a promising material platform for highly efficient lighting. Using transient optical spectroscopy, we study excitation recombin…
Quantifying mobile ions in perovskite-based devices with temperature-dependent capacitance measurements: frequency versus time domain
Moritz H. Futscher, Mahesh K. Gangishetty, Daniel N. Congreve +1
Perovskites have proven to be a promising candidate for highly-efficient solar cells, light-emitting diodes, and X-ray detectors, overcoming limitations of inorganic semiconductors…