Heayoung Yoon portrait
  • Assistant Professor, Elect & Computer Engineering
  • Adjunct Associate Professor, Materials Science and Engineering
  • Associate Professor, Elect & Computer Engineering
801-585-0334

Publications

  • 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.
    https://doi.org/10.1063/5.0075599
  • 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.
    https://doi.org/10.1017/S1431927621006425
  • Y. Hsu & K. Powell, C. Li, Y. Yan, and H. Yoon (2021). Impact of Ar Ion Beam Milling on Metal-Halide Perovskite Solar Cells. Electronic Materials Conference. Published, 06/2021.
  • K. Powell & Y. Hsu, D. Magginetti, and H. Yoon (2021). Local Photovoltaic Measurements of CdTe Solar Cells Using Microscale Point Back-contacts. Electronic Materials Conference. Published, 06/2021.
  • 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.
    https://www.nature.com/articles/s41598-020-73445-x
  • K. M. Powell & H. P. Yoon (2020). Hyper-spectroscopic Photoluminescence Imaging of Si Micropillar Arrays. Applied Microscopy. Vol. 50, 1-9. Published, 09/2020.
    https://appmicro.springeropen.com/articles/10.1186...
  • 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.
    https://doi.org/10.1017/S1431927620014956
  • K. Powell & M. Lund, M. Wang, Y. Qian, D. Magginetti, M. Reese, E. Cazalas, G. Sjoden, and H. Yoon (2020). Impact of Ar Ion Beam Milling on Metal-Halide Perovskite Solar Cells. Electronic Materials Conference. Published, 06/2020.
  • Y. Qian & S. Jeon, Y. Yoon, D. Magginetti, M. Wang, D. Segovia, J. Gerton, and H. Yoon (2020). Optoelectronic properties of Red-Luminescent Si Micropillar Arrays Fabricated by Metal-Assisted Chemical Etching. Electronic Materials Conference. Published, 06/2020.
  • 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.
    https://doi.org/10.1021/acsami.9b14730
  • 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.
    https://doi.org/10.1002/admi.201900152
  • D. Magginetti & S. Jeon, Y. Yoon, E. Pourshaban, and H. Yoon (2019). Impact of Ar Ion Beam Milling on Surface Electronic Characteristics of Polycrystalline CdTe Solar Cells. Materials Research Conference. Published, 06/30/2019.
  • E. Pourshaban & S. Jeon, Y. Yoon, D. Magginetti, and H. Yoon (2019). Surface Potential Imaging of High-Aspect-Ratio Si Microwires Fabricated by Metal-assisted Chemical Etching Process. Materials Research Society. Published, 06/30/2019.
  • 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.
    https://doi.org/10.1002/admi.201900300
  • Y. Yoon, J. Yoo, D. Magginetti, X. Cheng & H. Yoon (2018). Surface Potential Imaging of Germanium / Monolayer MoS2 Heterostructures. Cambridge. Published, 08/2018.
  • D. Magginetti, X. Cheng, P. Gopalan, B. Sensale-Rodriguez & H. Yoon (2018). Large-area MoTe2 Layer Growth Using High-Vacuum Ampoule Process. Materials Research Society. Published, 06/2018.
  • Y. Yoon, D. Magginetti, E. Pourshaban, V. Palekis, C. Hsu, M. Scarpulla, C. Ferekides & H. Yoon (2018). Local Photovoltage Imaging of ZnTe/CdTe Heterojunction. Materials Research Society. Published, 06/2018.
  • D. Collett, J. Aguiar, B. Devener, Y. Yoon, P. Haney, N. Zhitenev, M. Scarpulla, P. Koirala, R. Collins, and H. Yoon, “Heterojunction Electronic Properties and Compositional Differences of CdCl2 Post-Treated CdTe Solar Cells”, Electronic Materials Conference. Published, 06/2017.
  • Kyu-Bum Han, Eric Snyder, Dean Collett, Zijian Wang, Jeffery Aguiar, Brian Devener, Vikram Deshpade, Taylors Sparks & Heayoung Yoon (2017). 3-Dimensional Electron Beam Microscopy of BSTS Topological Insulator. Materials Research Society. Published, 04/2017.
  • 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.
    http://pubs.rsc.org/en/content/articlelanding/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.
    http://pubs.rsc.org/en/content/articlelanding/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.
  • Yoon HP, Haney PM, Ruzmetov D, Xu X, Hamadani BH, Talin AA, & Zhitenev NB (2013). Local electrical characterization of cadmium telluride solar cells using low-energy electron beam. Solar Energy Materials and Solar Cells. Vol. 117, 499-504. Published, 10/2013.
  • Yoon HP, Lee Y, Bohn CD, Ko S, Gianfrancesco AG, Steckel JS, Coe-Sullivan S, Talin AA & Zhitenev NB (2013). High-resolution photocurrent microscopy using near-field cathodoluminescence of quantum dots. AIP Advances. Vol. 3, 062112. Published, 06/2013.
  • Du K, Ko SH, Gallatin GM, Yoon HP, Liddle JA & Berglund AJ (2013). Quantum dot-DNA origami binding: a single particle, 3D, real-time tracking study. Chemical communications (Cambridge, England). Vol. 49, 907-9. Published, 01/2013.
  • Ke Y, Wang X, Weng XJ, Kendrick CE, Yu YA, Eichfeld SM, Yoon HP, Redwing JM, Mayer TS & Habib YM (2011). Single wire radial junction photovoltaic devices fabricated using aluminum catalyzed silicon nanowires. Nanotechnology. Vol. 22, 445401. Published, 10/2011.
  • Kendrick CE, Yoon HP, Yuwen YA, Barber GD, Shen H, Mallouk TE, Dickey EC, Mayer TS & Redwing JM (2010). Radial junction silicon wire array solar cells fabricated by gold-catalyzed vapor-liquid-solid growth. Applied Physics Letters. Vol. 97, 143108. Published, 10/2010.
  • Yoon HP, Maitani MM, Cabarcos OM, Cai L, Mayer TS & Allara DL (2010). Crossed-nanowire molecular junctions: a new multispectroscopy platform for conduction--structure correlations. Nano letters. Vol. 10, 2897-902. Published, 08/2010.
  • Yoon HP, Yuwen YA, Kendrick CE, Barber GD, Podraza NJ, Redwing JM, Mallouk TE, Wronski CR & Mayer TS (2010). Enhanced conversion efficiencies for pillar array solar cells fabricated from crystalline silicon with short minority carrier diffusion lengths. Applied Physics Letters. Vol. 96, 213503. Published, 05/2010.

Research Keywords

  • Nanomaterials
  • Nanofabrication
  • Local Optoelectronic Measurements
  • Solar Cells
  • Nanoelectronics
  • Molecular Electronics

Presentations

  • H. Yoon, “Characterizing Local Carrier Dynamics of CdTe Solar Cells Using Micro/Nanocontacts”, 5th Annual CdTe PV Workshop (Chicago, IL), October, 2021. Invited Talk/Keynote, Presented, 10/2021.
  • Y. Hsu, K. Powell, C. Li, Y. Yan, and H. Yoon, “Simulated Energy Distribution of an Electron-Beam Irradiated on Metal-Halide Perovskite Photovoltaic Devices”, Microscopy and Microanalysis Conference, August 2021 - Selected for Student Poster Award. Conference Paper, Refereed, Presented, 08/2021.
  • H. Yoon, “Nanocontacts Probing Heterogeneous Local Optoelectronic Characteristics of Thin-Film Solar Cells”, OSA Advanced Photonics Congress. Invited Talk/Keynote, Presented, 07/2021.
  • K. Powell, Y. Hsu, D. Magginetti, and H. Yoon, “Local Photovoltaic Measurements of CdTe Solar Cells Using Microscale Point Back-contacts”, Electronic Materials Conference, June 2021. Conference Paper, Refereed, Presented, 06/2021.
  • Y. Hsu, K. Powell, C. Li, Y. Yan, and H. Yoon, “Impact of Ar Ion Beam Milling on Metal-Halide Perovskite Solar Cells”, Electronic Materials Conference, June 2021. Conference Paper, Refereed, Presented, 06/2021.
  • Yang Qian, D. Magginetti, and H. Yoon, “Hyperspectroscopic Photoluminescence Imaging of Si Micropillar Arrays”, Microscopy and Microanalysis Conference, Virtual Online Meeting, August 2020. Conference Paper, Refereed, Presented, 08/2020.
  • Y. Qian, S. Jeon, Y. Yoon, D. Magginetti, M. Wang, D. Segovia, J. Gerton, and H. Yoon, “Optoelectronic properties of Red-Luminescent Si Micropillar Arrays Fabricated by Metal-Assisted Chemical Etching”, Electronic Materials Conference. Conference Paper, Refereed, Presented, 06/2020.
  • K. Powell, M. Lund, M. Wang, Y. Qian, D. Magginetti, M. Reese, E. Cazalas, G. Sjoden, and H. Yoon “Photovoltaic Response of Thin-film CdTe Solar Cells under Accelerated Neutron Radiation in a TRIGA Reactor”, Electronic Materials Conference. Conference Paper, Refereed, Presented, 06/2020.