62 citations · 123 across the 6 of their papers we have counts for
6 papers
Mapping the Pathways of Photo-induced Ion Migration in Organic-inorganic Hybrid Halide Perovskites
Taeyong Kim, Soyeon Park, Vasudevan Iyer +7
Organic-inorganic hybrid perovskites (OIHPs) exhibiting exceptional photovoltaic and optoelectronic properties are of fundamental and practical interest, owing to their tunability…
Persistent hot carrier diffusion in boron arsenide single crystals imaged by ultrafast electron microscopy
Usama Choudhry, Fengjiao Pan, Taeyong Kim +6
Cubic boron arsenide (BAs) is promising for microelectronics thermal management due to its high thermal conductivity. Recently, its potential as an optoelectronic material is also…
Origin of high thermal conductivity in disentangled ultra-high molecular weight polyethylene films: ballistic phonons within enlarged crystals
Taeyong Kim, Stavros X. Drakopoulos, Sara Ronca +1
The thermal transport properties of oriented polymers are of fundamental and practical interest. High thermal conductivities ( WmK) have recently been rep…
Tutorial: Characterizing Microscale Energy Transport in Materials with Transient Grating Spectroscopy
Usama Choudhry, Taeyong Kim, Melanie Adams +3
Microscale energy transport processes are crucial in microelectronics, energy harvesting devices, and emerging quantum materials. To study these processes, methods that can probe t…
Transient strain induced electronic structure modulation in a semiconducting polymer imaged by scanning ultrafast electron microscopy
Taeyong Kim, Saejin Oh, Usama Choudhry +3
Understanding the opto-electronic properties of semiconducting polymers under external strain is essential for their applications in flexible opto-electronic, light-emitting and ph…
Origin of micron-scale propagation lengths of heat-carrying acoustic excitations in amorphous silicon
Taeyong Kim, Jaeyun Moon, Austin J. Minnich
The heat-carrying acoustic excitations of amorphous silicon are of interest because their mean free paths may approach micron scales at room temperature. Despite extensive investig…