Chang-Yong Nam

Brookhaven National Laboratory

Center for Functional Nanomaterials
Bldg. 735
P.O. Box 5000
Upton, NY 11973-5000

(631) 344-7066
cynam@bnl.gov

Research | Education | Appointments | Publications | Highlights | Awards

Research Activities

• Development and application of atomic layer deposition (ALD) techniques, including vapor-phase infiltration (VPI) / sequential infiltration synthesis (SIS), towards microelectronics (e.g., EUV lithography, 3D integration), nanopatterning, energy conversion, catalysis, and membranes
• Materials processing and device physics in organic, hybrid, and low-dimensional semiconductors for electronic devices and photovoltaics
• Application of self-assembled block copolymer (BCP) thin films 

Education

• Ph.D., University of Pennsylvania, Philadelphia PA, 2007
  • Materials Science and Engineering; Dissertation Title: "Gallium Nitride Nanowires: Synthesis, Resonant Electromechanical Properties, Ion Beam Disorder Effect on Contact Conduction, and Heterojunction Fabrication";  Advisor: John E. Fischer 
• M.S., Korea Advanced Institute of Science and Technology (KAIST), Daejon, Korea, 2001
  • Materials Science and Engineering; Thesis Title: "Microstructure and Toughness of Nitrogen-Doped TiAl Alloys"; Advisor: Dang-Moon Wee
• B.E., Korea University, Seoul, Korea, 1999 
  • Metallurgical Engineering; Leave of Absence for Military Service in Republic of Korea Army (1995 – 1997)

Professional Appointments

• Brookhaven National Laboratory, Center for Functional Nanomaterials
      Scientist, 2016 – Present (w/ Continuing Appointment since 2019)
      Associate Scientist, 2013 – 2016
      Assistant Scientist, 2010 – 2013
      Goldhaber Distinguished Fellow,  2007 – 2010; Advisor: Charles T. Black
• University of Texas at Dallas, Department of Materials Science and Engineering
      Adjunct Professor, 2023 – Present
• New Jersey Institute of Technology, Department of Electrical and Computer Engineering
      Adjunct Professor, 2019 – Present
• Stony Brook University, Department of Materials Science and Chemical Engineering 
      Adjunct Professor, 2014 – Present
• Korea Institute of Science and Technology (KIST), Materials Research Division
      Commissioned Researcher, 2001 – 2002

Selected Publications

• Subramanian A, Tiwale N, Lee W, et al (2023) Vapor-Phase Infiltrated Organic–Inorganic Positive-Tone Hybrid Photoresist for Extreme UV Lithography. Advanced Materials Interfaces. https://doi.org/10.1002/admi.202300420
• Yin Y, Zhou Y, Fu S, et al (2023) Enhancing Crystallization in Hybrid Perovskite Solar Cells Using Thermally Conductive 2D Boron Nitride Nanosheet Additive. Small 2207092. https://doi.org/10.1002/smll.202207092
• Subramanian A, Tiwale N, Kisslinger K, Nam C (2022) Reduced Stochastic Resistive Switching in Organic-Inorganic Hybrid Memristors by Vapor-Phase Infiltration. Advanced Electronic Materials 2200172. https://doi.org/10.1002/aelm.202200172
• Russell ST, Bae S, Subramanian A, et al (2022) Priming self-assembly pathways by stacking block copolymers. Nature Communications 13:. https://doi.org/10.1038/s41467-022-34729-0
• Zhou Y, Yin Y, Zuo X, et al (2021) Improving Thermal Stability of Perovskite Solar Cells by Suppressing Ion Migration Using Copolymer Grain Encapsulation. Chemistry of Materials 33:6120–6135. https://doi.org/10.1021/acs.chemmater.1c01675
• Yalin B, Liapis AC, Eisaman MD, et al (2021) Optical simulation of ultimate performance enhancement in ultrathin Si solar cells by semiconductor nanocrystal energy transfer sensitization. Nanoscale Advances 3:991–996. https://doi.org/10.1039/d0na00835d
• Tiwale N, Subramanian A, Dai Z, et al (2020) Large mobility modulation in ultrathin amorphous titanium oxide transistors. Communications Materials 1:. https://doi.org/10.1038/s43246-020-00096-w
• Liapis AC, Subramanian A, Cho S, et al (2020) Conformal Coating of Freestanding Particles by Vapor-Phase Infiltration. Advanced Materials Interfaces 7:2001323. https://doi.org/10.1002/admi.202001323
• Tiwale N, Subramanian A, Kisslinger K, et al (2019) Advancing next generation nanolithography with infiltration synthesis of hybrid nanocomposite resists. Journal of Materials Chemistry C 7:8803–8812. https://doi.org/10.1039/c9tc02974e
• Subramanian A, Doerk G, Kisslinger K, et al (2019) Three-dimensional electroactive ZnO nanomesh directly derived from hierarchically self-assembled block copolymer thin films. Nanoscale 11:9533–9546. https://doi.org/10.1039/c9nr00206e
• Wang L, Yan D, Shaffer DW, et al (2018) Improved Stability and Performance of Visible Photoelectrochemical Water Splitting on Solution-Processed Organic Semiconductor Thin Films by Ultrathin Metal Oxide Passivation. Chemistry of Materials 30:324–335. https://doi.org/10.1021/acs.chemmater.7b02889
• Li M, Chen J, Routh PK, et al (2018) Distinct Optoelectronic Signatures for Charge Transfer and Energy Transfer in Quantum Dot–MoS 2 Hybrid Photodetectors Revealed by Photocurrent Imaging Microscopy. Advanced Functional Materials 28:1707558. https://doi.org/10.1002/adfm.201707558
• Dusoe KJ, Ye X, Kisslinger K, et al (2017) Ultrahigh Elastic Strain Energy Storage in Metal-Oxide-Infiltrated Patterned Hybrid Polymer Nanocomposites. Nano Letters 17:7416–7423. https://doi.org/10.1021/acs.nanolett.7b03238
• Ye X, Kestell J, Kisslinger K, et al (2017) Effects of Residual Solvent Molecules Facilitating the Infiltration Synthesis of ZnO in a Nonreactive Polymer. Chemistry of Materials 29:4535–4545. https://doi.org/10.1021/acs.chemmater.7b01222

Research Highlights

• Research Highlights
  • Storing Electronic Data in Nanostructured Hybrids
  • Resisting Moore's Law Limits with Hybrid Materials
  • Tracking Electrons on the Move in Twisted Graphene
  • Coatings Choose All Sides for a Biomedical Imaging Win
  • Using Nanoparticles to Reveal Polymer Nanoarchitectures
  • Patching Cracks in Perovskite Solar Cells for Better Performance
  • Catching Light with 3D Hybrid Nanostructures
  • Catching Light with Zinc Oxide Nanomesh Sensors
  • Arrays of Nanowires See the (Ultraviolet) Light
  • Thicker, efficient polymer-based solar cells
  • Drawing at the One-Nanometer Length Scale
  • Bi-functional Nanocrystal Coatings Enhance the Performance of Silicon Solar Cells
  • Swapping Tellurium for Sulfur Improves Light Absorption in Organic Solar Cells
  • Scalable Growth of High Quality Bismuth Nanowires
  • Chemical Modification of Self-Assembled Block Copolymers for Area-Selective Formation of Metal Oxide Nanostructures
  • One-Volt Operation of High-Current Vertical Channel Polymer Semiconductor Field-Effect Transistors

• Media Coverage
  • Department of Energy Announces $73 Million for Basic Research to Accelerate the Transition from Discovery to Commercialization
  • Scientists Build Nanoscale Parapets, Aqueducts, and Other Shapes
  • Brookhaven Lab's Chang-Yong Nam Named a Battelle 'Inventor of the Year'
  • Top-10 Areas of Amazing Science at Brookhaven Lab in 2021
  • "Next-Gen Semiconductor Manufacturing Tech Wins DOE National Pitch Competition"
  • Layered Graphene with a Twist Displays Unique Quantum Confinement in 2-D
  • "Synthesis Method Expands Material Possibilities"
  • "Stabilizing High-Efficiency Solar Cells"
  • "Enhancing Materials for Hi-Res Patterning to Advance Microelectronics"
  • "Adding an Inert Polymer to Plastic Solar Cells Enables High Efficiency and Easy Production"

Awards & Recognition

• $8M DOE Accelerate Award, Lead PI, "Angstrom Era Semiconductor Patterning Material Development Accelerator", US DOE, 2023
• Battelle Inventor of the Year, Battelle Memorial Institute / Brookhaven National Laboratory, 2022
• Work included in the Top-10 Areas of Amazing Science at Brookhaven Lab, 2021
• Winner, DOE National Labs Accelerator Pitch Event, Lawrence Livermore National Laboratory / UC Davis, 2021
• Spotlight Award, Brookhaven National Laboratory, 2022, 2018, 2011
• Goldhaber Distinguished Fellowship, Brookhaven National Laboratory, 2007 – 2010 
• Graduate Research Fellowship, University of Pennsylvania, 2002 – 2007
• Brain Korea (BK) 21, Financial Award for Abroad Research, KAIST, 2001
• Korean Government Scholarship, KAIST, 1999 – 2001
• Merit-based Scholarship, Korea University, 1999