PUBLICATION


PEER-REVIEWED ARTICLES

*: Corresponding Author

2017

56.  S. Hoang, X. Lu, W. Tang, S. Wang, S. Dua, C.-Y. Nam, Y. Ding, R.D. Vinluan III, J.Zheng, P.-X. Gao*
“High Performance Diesel Oxidation Catalysts using Ultra-low Pt Loading on Titania Nanowire Array integrated Cordierite Honeycombs", Catalyst Today, DOI: 10.1016/j.cattod.2017.11.019 (2017)

55.  K. Dusoe*, X. Ye, K. Kisslinger, A. Stein, S.-W. Lee, C.-Y. Nam*
“Ultra-High Elastic Strain Energy Storage in Metal-Oxide-Infiltrated Patterned Hybrid Polymer Nanocomposites”, Nano Letters, DOI: 10.1021/acs.nanolett.7b03238 (2017)

54.  C.-Y. Nam*, A. Stein
“Extreme Carrier Depletion and Super-Linear Photoconductivity in Ultrathin Parallel-Aligned ZnO Nanowire Array Photodetectors Fabricated by Infiltration Synthesis”, Advanced Optical Materials, DOI: 10.1002/adom.201700807 (2017)

53. J. Kestell*, K. Mudiyanselage, X. Ye, C.-Y. Nam, D.J. Stacchiola, J.T. Sadowski, J.A. Boscoboinik*
"Stand-Alone Polarization-Modulation Infrared Reflection Absorption Spectroscopy Instrument Optimized for the Study of Catalytic Processes at Elevated Pressures", Review of Scientific Instruments 88, 105109 (2017)

52.  H. Li, Z. Yang, N. Jiang, S. Satija, D. Xu, D. Gersappe, C.-Y. Nam*, M. Rafailovich*
“A new strategy to engineer polymer bulk heterojunction solar cells with thick active layers via self-assembly of tertiary columnar phase”, Nanoscale 9, 11511 (2017)

51.  X. Ye, J. Kestell, K. Kisslinger, M. Liu, R.B. Grubbs, J.A. Boscoboinik, C.-Y. Nam*
“Effects of residual solvent molecules facilitating the ZnO infiltration synthesis in a non-reactive polymer”, Chemistry of Materials 29, 4535 (2017)

50.  V.R. Manfrinato, A. Stein, L. Zhang, C.-Y. Nam, K.G. Yager, E.A. Stach*, C.T. Black*
"Aberration-Corrected Electron Beam Lithography at the One Nanometer Length Scale”, Nano Letters 17, 4562 (2017)

2016

49.  N. Jiang, L. Sendogdular, M. Sen, M.K. Endoh, T. Koga*, M. Fukuto, B. Akgun, S.K. Satija, C.-Y. Nam*
"Novel effects of compressed CO2 molecules on structural ordering and charge transport in conjugated poly(3-hexylthiophene) thin films”, Langmuir 32, 10851 (2016)

48.  T. Goh, J.-S. Huang, K. Yager, M.Y. Sfeir, C.-Y. Nam, X. Tong, L.M. Guard, P.R. Melvin, F. Antonio, B. Bartolome, M. Lee, N. Hazar*, A.D. Taylor*
“Quaternary Organic Solar Cells Enhanced by Cocrystalline Squaraines with Power Conversion Efficiencies >10%”, Advanced Energy Materials 6, 1600660 (2016)

47.  H.-J. Lin, J.P. Baltrus, H. Gao, Y. Ding, C.-Y. Nam, P. Ohodnicki, P.-X. Gao*
“Perovskite Nanoparticle Sensitized Ga2O3 Nanorod Arrays for CO Detection at High Temperature”, ACS Applied Materials & Interfaces 8, 8880 (2016)

46.  Y. Huang, H. Zang, J.-S. Chen, E.A. Sutter, P.W. Sutter*, C.-Y. Nam*, M. Cotlet*
“Hybrid quantum dot-tin disulfide field-effect transistors with improved photocurrent and spectral responsivity”, Applied Physics Letters 108, 123502 (2016)

45.  S. Hoang, A. Ashraf, M.D. Eisaman, D. Nykypanchuk*, C.-Y. Nam*
“Enhanced Photovoltaic Performance of Ultrathin Si Solar Cells via Semiconductor Nanocrystal Sensitization: Energy Transfer vs. Optical Coupling Effects”
Nanoscale 8, 5873 (2016)

2015

44.  M. Liu*, C.-Y. Nam, L. Zhang
“Seedless Growth of Bismuth Nanowire Array via Vacuum Thermal Evaporation”
Journal of Visualized Experiments 106, e53396 (2015)

43.  C.-Y. Nam*, A. Stein, K. Kisslinger, C.T. Black
“Electrical and structural properties of ZnO synthesized via infiltration of lithographically defined polymer templates”
Applied Physics Letters 107, 103206 (2015)

42.  C.-Y. Nam*, A. Stein, K. Kisslinger
“Direct fabrication of high aspect-ratio metal oxide nanopatterns via sequential infiltration synthesis in lithographically-defined SU-8 templates”
Journal of Vacuum Science and Technology B 33, 06F201 (2015)

41.  Y. Zhong, M.T. Trinh, R. Chen, G. Purdum, P. Khlyabich, M. Sezen, S. Oh, H. Zhu, B. Fowler, B. Zhang, W. Wang, C.-Y. Nam, M. Sfeir, C.T. Black, M. Steigerwald, Y.-L. Loo, F. Ng*, X. Zhu*, C. Nuckolls*
“Molecular Helices as Electron Acceptors in High-Performance Bulk Heterojunction Solar Cells”
Nature Communications 6, 8242 (2015)

40. L. Li*, I Bayn, M. Lu, C.-Y. Nam, T. Schroder, A. Stein, N.C. Harris, D. Englund*
“Nanofabrication on unconventional substrates using transferred hard masks”
Scientific Reports 5, 7802 (2015)

39. H. Hlaing*, C.-H. Kim, F. Carta, C.-Y. Nam, R. Barton, N. Petrone, J. Hone, I. Kymissis*
“Low-Voltage Organic Electronics Based on a Gate‒Tunable Injection Barrier in Vertical Graphene–Organic Semiconductor Heterostructures”
Nano Letters 15, 69 (2015)

38. X. Lu*, H. Hlaing, C.-Y. Nam, K.G. Yager, C.T. Black, B.M. Ocko*
“Molecular Orientation and Performance of Nanoimprinted Polymer-Based Blend Thin Film Solar Cells”
Chemistry of Materials 27, 60 (2015)

2014

37. C.-Y. Nam*
“Ambient air processing causes light soaking effects in inverted organic solar cells having conjugated polyelectrolyte electron transfer layer”
Journal of Physical Chemistry C 118, 27219 (2014)

36. Y. Zhong, M.T. Trinh, R. Chen, W. Wang, B. Kumar, C.-Y. Nam, M.Y. Sfeir, C.T. Black, M.L. Steigerwald, S.X. Xiao*, F. Ng*, X.Y. Zhu*, C. Nuckolls*
“Efficient organic solar cells with helical perylene diimide electron acceptors”
Journal of the American Chemical Society 136, 15215 (2014)

35. M.Z. Liu*, J. Tao, C.-Y. Nam, K. Kisslinger, L. Zhang, D. Su,
"Surface-energy induced formation of single crystalline bismuth nanowires over vanadium thin film at room temperature",
Nano Letters 14, 5630 (2014)

34. Y.S. Park, Q. Wu, C.-Y. Nam, R.B. Grubbs*
"Polymerization of Tellurophene Derivatives via Microwave-Assisted Palladium-Catalyzed Ipso-arylative Polymerization",
Angewandte Chemie International Edition 53, 10691 (2014)

33. Y.S. Park, T.S. Kale, C.-Y. Nam, D. Choi, R.B. Grubbs*
"Effects of Heteroatom Substitution in Conjugated Heterocyclic Compounds on Photovoltaic Performance: From Sulfur to Tellurium",
Chemical Communications 50, 7964 (2014)

32. F.E. Camino, C.-Y. Nam, Y.T. Pang, J. Hoy, M.D. Eisaman, C.T. Black, M.Y. Sfeir*
"Characterization of Plasmonic Hole Arrays as Transparent Electrical Contacts for Organic Photovoltaics Using High Brightness Fourier Transform Methods",
Journal of Modern Optics 61, 1735 (2014)

2013

31. M.Z. Liu*, C.-Y. Nam, C.T. Black, J. Kamcev, L. Zhang 
"Enhancing Water Splitting Activity and Chemical Stability of Zinc Oxide Nanowire Photoanodes with Ultrathin Titania Shells", 
Journal of Physical Chemistry C 117, 13396 (2013)

30. J. Li, X. Chen, W. Xu, C.-Y. Nam*, Y. Shi* 
"TiO2 Nanofiber Solid-State Dye Sensitized Solar Cells with Thin TiO2 Hole Blocking Layer Prepared by Atomic Layer Deposition", 
Thin Solid Films 536, 275 (2013)

29. J. Kamcev, D.S. Germack, D. Nykypanchuk, R.B. Grubbs, C.-Y. Nam*, C.T. Black* 
"Chemically Enhancing Block Copolymers for Block-Selective Synthesis of Self-Assembled Metal Oxide Nanostructures", 
ACS Nano 7, 339 (2013)

28. M.J. Jurow, B.A. Hageman, E. DiMasi*, C.-Y. Nam, C. Pabon, C.T. Black, C.M. Drain* 
"Controlling Morphology and Molecular Packing of Alkane Substituted Phthalocyanine Blend Bulk Heterojunction Solar Cells", 
Journal of Materials Chemistry A 1, 1557 (2013)

2012

27. C.-Y. Nam* 
"Facile Determination of Bulk Charge Carrier Concentration in Organic Semiconductors: Out-of-Plane Orientation Hopping Conduction Characteristics in Semi-crystalline Polythiophene", 
Journal of Physical Chemistry C 116, 23951 (2012)

26. H. Hlaing, X. Lu, C.-Y. Nam, B.M. Ocko* 
"Water-Vapor-Assisted Nanoimprinting of PEDOT:PSS Thin Films", 
Small 8, 3443 (2012)

25. D.E. Johnston, K.G. Yager, C.-Y. Nam, B.M. Ocko, C.T. Black* 
"One-Volt Operation of High-Current Vertical Channel Polymer Semiconductor Field-Effect Transistors",
Nano Letters 12, 4181 (2012)

24. J.E. Allen, K.G. Yager, H. Hlaing, C.-Y. Nam, B.M. Ocko, C.T. Black* 
"Implementing Nanometer-Scale Confinement in Organic Semiconductor Bulk Heterojunction Solar Cells",
Journal of Photonics for Energy 2, 021008 (2012)

23. C.-Y. Nam*, Y. Qin, Y.S. Park, H. Hlaing, X. Lu, B.M. Ocko, C.T. Black, R.B. Grubbs*
"Photocrosslinkable Azide-Functionalized Polythiophene for Thermally Stable Bulk Heterojunction Solar Cells", 
Macromolecules 45, 2338 (2012)

2011

22. J.E Allen, K.G. Yager, H. Hliang, C.-Y. Nam, B.M. Ocko, C.T. Black* 
"Enhanced Charge Collection in Confined Bulk Heterojunction Organic Solar Cells", 
Applied Physics Letters 99, 163301 (2011), selected as a cover article

21. C.-Y. Nam*, Q. Wu, D. Su, C.-Y. Chiu, N.J. Tremblay, C. Nuckolls, C.T. Black 
"Nanostructured Electrodes for Organic Bulk Heterojunction Solar Cells: Model Study Using Carbon Nanotube Dispersed Polythiophene-Fullerene Blend Devices", 
Journal of Applied Physics 110, 604307 (2011)

2010

20. A. Varotto, C.-Y. Nam, I. Radivojevic, J.P.C. Tome, J.A.S. Cavaleiro, C.T. Black*, C.M.Drain*, 
"PhthalocyanineBlends Improve Bulk Heterojunction Solar Cells"
Journal of the American Chemical Society 132, 2552 (2010)

19. I. Radivojevic, M.S. Sfeir, C.-Y. Nam, B.P. Burton-Pye, A. Falber, C.T. Black, C.M. Drain*
"Hafnium (IV) and zirconium (IV) porphyrinoid diacetate complexes as new dyes for solar cells ", 
Photovoltaic Specialists Conference (PVSC), 2010 35th IEEE, 3280 (2010)

18. W.Q. Han*, Y. Zhang, C.-Y. Nam, C.T. Black, E.E. Mendez 
"Growth and Electronic Properties of GaN/ZnO Solid Solution Nanowires", 
Applied Physics Letters 97, 083208 (2010)

2009

17. C.-Y. Nam*, D. Su, C.T. Black 
"High-Performance Air-Processed Polymer-Fullerene Bulk Heterojunction Solar Cells", 
Advanced Functional Materials 19, 3552 (2009)

16. I.R. Gearba*, C.-Y. Nam, R. Pindak, C.T. Black 
"Thermal Crosslinking of Organic Semiconducting Polythiophene Improves Transverse Hole Conductivity", 
Applied Physics Letters 95, 173307 (2009) 

15. A.C. Santulli, W. Xu, J.B. Parise, L. Wu, M.C. Aaronson, F. Zhang, C.-Y. Nam, C.T. Black, A.L. Tiano, S.S. Wong* 
"Synthesis and Characterization of V2O3 Nanorods", 
Physical Chemistry Chemical Physics 11, 3718 (2009)

2008 and Earlier

14. C. Guthy, C.-Y. Nam, J.E. Fischer* 
"Unusually Low Thermal Conductivity of Gallium Nitride Nanowires", 
Journal of Applied Physics 103, 064319 (2008)

13. C.-Y. Nam*, D. Tham, J.E. Fischer 
"Self-Branching in GaN Nanowires Induced by a Novel Vapor-Liquid-Solid Mechanism", 
Materials Research Society Symposium Proceeding 1058, JJ04.03 (2008)

12. D. Tham, C.-Y. Nam, K. Byon, J. Kim, J.E. Fischer* 
"Application of Electron Microscopy to the Characterization of Semiconductor Nanowires", 
Applied Physics A 85, 227 (2006)

11. D. Tham, C.-Y. Nam, J.E. Fischer* 
"Defects in Gallium Nitride Nanowires", 
Advanced Functional Materials 16, 1197 (2006)

10. D. Tham, C.-Y. Nam, J.E. Fischer* 
"Microstructure and Composition of Focused-ion-beam Deposited Pt Contacts to GaN Nanowires", 
Advanced Materials 18, 290 (2006)

9. C.-Y. Nam, P. Jaroenapibal, D. Tham, D.E. Luzzi, S. Evoy*, J.E. Fischer*
"Diameter-dependent Electromechanical Properties of GaN Nanowires", 
Nano Letters 6, 153 (2006)

8. C.-Y. Nam*, D. Tham, P. Jaroenapibal, J.Y. Kim, D.E. Luzzi, S. Evoy, J.E. Fischer 
"Gallium Nitride Nanowires: Polar Surface Controlled Growth, Ohmic Contact Patterning by Focused Ion Beam Induced Direct Pt Deposition, and Disorder Effects; Variable Range Hopping and Resonant Electromechanical Properties", 
SPIE Proceeding 6370, 63701F (2006)

7. C-Y. Nam, D. Tham, J.E. Fischer* 
"Disorder Effects in Focused-lon-beam-deposited Pt Contacts on GaN Nanowires", 
Nano Letters 5, 2029 (2005)

6. C.-Y. Nam, J.Y. Kim, J.E. Fischer* 
"Focused-ion-beam Platinum Nanopatterning for GaN Nanowires: Ohmic Contacts and Patterned Growth", 
Applied Physics Letters 86, 193112 (2005)

5. C.-Y. Nam, D. Tham, J.E. Fischer*
"Effect of the Polar Surface on GaN Nanostructure Morphology and Growth Orientation", 
Materials Research Society Symposium Proceeding 831, E12.8.1 (2005)

4. C.-Y. Nam, D. Tham, J.E. Fischer*
"Effect of the Polar Surface on GaN Nanostructure Morphology and Growth Orientation", 
Applied Physics Letters 85, 5676 (2004)

3. C.-Y. Nam, J.H. Han*, Y.H. Chung, M.C. Shin
"Effects of Precipitates on Microstructrual Evolution of 7050 Al Alloy Sheet During Equal Channel Angular Rolling", 
Materials Science and Engineering A 347, 253 (2003)

2. C.-Y. Nam*, M.H. Oh, K.S. Kumar, D.M. Wee
"Effect of Nitrogen on the Mean Lamellar Thickness of Fully Lamellar TiAl Alloys", 
Scripta Materialia  46, 441 (2002)

1. C.-Y. Nam, D.M. Wee, P. Wang, K.S. Kumar*
"Microstructure and Toughness of Nitrogen-Doped TiAl Alloys", 
Intermetallics 10, 113 (2002)


PH.D. DISSERTATION

C.-Y. Nam 
“Gallium nitride nanowires: Synthesis, resonant electromechanical properties, ion beam disorder effect on contact conduction, and heterojunction fabrication”,
Department of Materials Science and Engineering, University of Pennsylvania (2007)


PATENTS

C.-Y. Nam, J. Kamcev, C. T. Black, R. B. Grubbs
“Patterning Area by Selective Oxidation”,
U.S. Patent US 9,221,957

M. Liu, C.-Y. Nam 
“Nanowires and Methods of Forming”,
U.S. Patent Application US 2015/0325649 A1

M. Liu, C.-Y. Nam, C. T. Black 
“Chemically Passivated Zinc Oxide Photoelectrode for Photoelectrochemical Water Splitting”,
U.S. Patent Application US 2015/0122639 A1
D.E. Johnston, J.E. Allen, C.T. Black, C.-Y. Nam 
"Interdigitated Electrical Contacts for Low Electron Mobility Semiconductors", 
U.S. Patent Application US 2014/0216539 A1

C.-Y. Nam, C.T. Black 
"Inorganic Nanocrystal Bulk Heterojunction", 
U.S. Patent Application US 2010/0276731 A1

C.-Y. Nam, C.T. Black, I.R. Gearba, J.E. Allen 
"Nanostructured Pillar Electrodes", 
U.S. Patent Application US 2011/0248315 A1