activity
20142023
most citedDepletion region surface effects in electron beam induced current measurements

25 citations · 53 across the 8 of their papers we have counts for

collaborators

8 papers

physics.app-ph2023★ 1 cited

Impact of Surface Roughness in Measuring Optoelectronic Characteristics of Thin-Film Solar Cells

David Magginetti, Seokmin Jeon, Yohan Yoon +5

Microstructural properties of thin-film absorber layers play a vital role in developing high-performance solar cells. Scanning probe microscopy is frequently used for measuring spa…

cond-mat.mtrl-sci2023★ 1 cited

Design and Fabrication of PERC-Like CdTe Solar Cells Using Micropatterned Al2O3 Layer

Etee Kawna Roy, Kaden Powell, Chungho Lee +2

Recent studies have investigated novel strategies to further improve the limited Voc of CdTe solar cells via increased carrier lifetime and doping density of CdTe thin films. Among…

cond-mat.mtrl-sci2022★ 5 cited

Subsurface Characteristics of Metal-Halide Perovskites Polished by Argon Ion Beam

Yu-Lin Hsu, Chongwen Li, Andrew C. Jones +4

Focused ion beam (FIB) techniques have been frequently used to section metal-halide perovskites for microstructural investigations. However, the ion beams directly irradiated to th…

physics.app-ph2020★ 6 cited

Depth-Dependent EBIC Microscopy of Radial-Junction Si Micropillar Arrays

Kaden M. Powell, Heayoung P. Yoon

Recent advances in fabrication have enabled radial-junction architectures for cost-effective and high-performance optoelectronic devices. Unlike a planar PN junction, a radial-junc…

physics.app-ph2020★ 13 cited

Heterogeneous Optoelectronic Characteristics of Si Micropillar Arrays Fabricated by Metal-Assisted Chemical Etching

Yang Qian, David J. Magginetti, Seokmin Jeon +5

Recent progress achieved in metal-assisted chemical etching (MACE) has enabled the production of high-quality micropillar arrays for various optoelectronic applications. Si micropi…

cond-mat.mes-hall2016★ 25 cited

Depletion region surface effects in electron beam induced current measurements

Paul M. Haney, Heayoung P. Yoon, Benoit Gaury +1

Electron beam induced current (EBIC) is a powerful characterization technique which offers the high spatial resolution needed to study polycrystalline solar cells. Current models o…