Heayoung Yoon portrait
  • Adjunct Associate Professor, Materials Science and Engineering
  • Associate Professor, Elect & Computer Engineering


  • E. Roy & K. Powell, C. Lee, G. Xiong, and H. Yoon (2023). Design and Fabrication of PERC-Like CdTe Solar Cells Using Micropatterned Al2O3 Layer. IEEE. Published, 06/30/2023.
  • D. Magginetti & S. Jeon, Y. Yoon, A. Chowdhury, A. Mamun, Y. Qian, J. Gerton, and H. Yoon (2023). Impact of Surface Roughness in Measuring Optoelectronic Characteristics of Thin-Film Solar Cells. IEEE. Published, 06/30/2023.
  • Y. Hsu & C. Li, A. C. Jones, M. T. Pratt, A. Chowdhury, Y. Yan, and H. P. Yoon (2023). Subsurface Characteristics of Metal-Halide Perovskites Polished by Argon Ion Beam. J. Phys. Chem. C. Published, 04/10/2023.
  • Kaden Powell & Yu-Lin Hsu; Etee Kawna Roy; David J. Magginetti; Heayoung P. Yoon (2022). Fabrication of Microscale Back-Contact Arrays for Local Charge Transport Measurements. IEEE. Published, 06/16/2022.
  • S. Woo & J. Yoo, D. J. Magginetti, I. Bilgin, S. Kar, H. P. Yoon, and Y. Yoon (2021). Resolving surface potential variation in Ge/MoS2 heterostructures with Kelvin probe force microscopy. AIP Advances. Vol. 11, 125105. Published, 12/2021.
  • Y. Hsu & C. Li, Y. Yan, and H. Yoon (2021). Simulated Energy Distribution of an Electron-Beam Irradiated on Metal-Halide Perovskite Photovoltaic Devices. Microscopy and Microanalysis. Vol. 27, 1754 - 1756. Published, 08/01/2021.
  • Y. Qian, D. J. Magginetti, S. Jeon, Y. Yoon, T. L. Olsen, M. Wang, J. M. Gerton & H. P. Yoon (2020). Heterogeneous optoelectronic characteristics of Si micropillar arrays fabricated by metal-assisted chemical etching. Scientific Reports. Vol. 10, 1-10. Published, 10/2020.
  • K. M. Powell & H. P. Yoon (2020). Hyper-spectroscopic Photoluminescence Imaging of Si Micropillar Arrays. Applied Microscopy. Vol. 50, 1-9. Published, 09/2020.
  • Y. Qian & D. Magginetti, and H. Yoon (2020). Hyper-spectroscopic Photoluminescence Imaging of Si Micropillar Arrays. Microscopy and Microanalysis. Vol. 26, 526-529. Published, 07/2020.
  • D. Magginetti, J. Aguiar & H. Yoon (2019). Structural and Compositional Properties of Recrystallized CdS/CdTe Thin-Films Grown on Oxidized Silicon Substrates. Microscopy and Microanalysis. Vol. 25, 2166-2167. Published, 12/2019.
  • Y. Yoon & W. Yang, D. Ha, P. Haney, D. Hirsch, H. Yoon, R. Sharma, N. Zhitenev (2019). Unveiling Defect-Mediated Charge-Carrier Recombination at the Nanometer Scale in Polycrystalline Solar Cells. ACS applied materials & interfaces. Vol. 11, 47037. Published, 11/30/2019.
  • S. Misra & J. A. Aguiar, B. Devener, V. Palekis, H. Yoon, C. S. Ferekides and M. A. Scarpulla (2019). Observation and Implications of Composition Inhomogeneity Along Grain Boundaries in Thin Film Polycrystalline CdTe Photovoltaic Devices. Advanced Materials Interfaces. 1900152. Published, 07/2019.
  • D. J. Magginetti & J. A. Aguiar, J. R. Winger, M. A. Scarpulla, E. Pourshaban, and H. P. Yoon (2019). Water-Assisted Lift-Off of Polycrystalline CdS/CdTe Thin-films Using Heterogeneous Interfacial Engineering. Advanced Materials Interfaces. 1900300. Published, 05/31/2019.
  • Yoon Y, Chae J, Katzenmeyer AM, Yoon HP, Schumacher J, An S, Centrone A, Zhitenev N. Nanoscale Imaging and Spectroscopy of Band Gap and Defects in Polycrystalline Photovoltaic Devices. Published, 04/2017.
  • Esposito DV, Lee Y, Yoon HP, Haney P, Labrador N, Moffat TP, Talin AA, Szalai V. Deconvoluting the Influences of 3D Structure on the Performance of Photoelectrodes for Solar-Driven Water Splitting. Published, 02/2017.
  • Haney PM, Yoon HP, Gaury B & Zhitenev NB (2016). Depletion region surface effects in electron beam induced current measurements. Journal of applied physics. Vol. 120. Published, 11/2016.
  • Koirala P, Li J, Yoon HP, Aryal P, Marsillac S, Rockett AA, Podraza NJ & Collins RW (2016). Through-the-glass spectroscopic ellipsometry for analysis of CdTe thin-film solar cells in the superstrate configuration. Progress in Photovoltaics 24, 1055. Published, 02/2016.
  • Haney PM, Yoon HP, Koirala P, Collins RW & Zhitenev NB (2015). Electron beam induced current in the high injection regime. Nanotechnology. Vol. 26, 295401. Published, 07/2015.
  • Teplin CW, Grover S, Chitu A, Limanov A, Chalal M, Im J, Amkreutz D, Gall S, Yoon HP, Lasalvia V, Branz HM, Stradins P, Jones KM, Norman AG, Young DL & Lee B (2015). Comparison of thin epitaxial film silicon photovoltaics fabricated on monocrystalline and polycrystalline seed layers on glass. Progress in Photovoltaics. Vol. 23, 909-917. Published, 07/2015.
  • Krylyuk S, Debnath R, Yoon HP, King M, Ha J, Wen B, Motayed A & Davydov AV (2014). Faceting control in core / shell GaN micropillars using selective epitaxy. APL Materials. Vol. 2, 106104. Published, 10/2014.
  • Talin AA, Centrone A, Ford AC, Foster ME, Stavila V, Haney P, Kinney RA, Szalai V, El Gabaly F, Yoon HP, Léonard F & Allendorf. Tunable electrical conductivity in metal-organic framework thin-film devices. Science (New York, N.Y.). Vol. 343, 66-9. Published, 01/2014.

Research Keywords

  • NanoEngineering
  • Nanofabrication
  • Advanced Microscopy
  • Optoelectronics
  • Solar Energy


  • THIN - FILM SEMICONDUCTORS (#US 11,522,069 B2). Status: Published. Inventors: Heayoung Yoon , Salt Lake City , UT ( US ) ; David Magginetti , Salt Lake City , UT ( US ) . File date 05/22/2020; Issue date 12/06/2022. Assignee: UNIVERSITY OF UTAH RESEARCH FOUNDATION .