• 2024

73 Lee, S., Kim, H., Kim, S., Son, H., Han, J. S., and Kim, U. J. (2024) Machine Vision with a CMOS-Based Hyperspectral Imaging Sensor Enables Sensing Meat Freshness. ACS Sensors.

72. Park, J., Kim, Y., You, B., Huh, J., Kim, G., Son, H., Park, Y., Hahm, M.G., Kim, U.J., and Lee, M. (2024) High-Performance 1D-2D Te/MoS2 Heterostructure Photodetectors with Tunable Giant Persistent Photoconductivity. ACS Appl Electron Mater.

71. Kim, U.J., Han, Y., Nugera, F.A., Yun, S.J., Kim, S.I., Lee, M., Gutiérrez, H.R., Lee, Y.H., and Son, H. (2024) Hyperspectral imaging of complex dielectric functions in 2D materials. Nano Today, 55.

70. Assumpcao, D., Siddique, R.H., Kim, H., Park, Y., Kim, U.J., Roh, Y.G., Wang, Y.M., and Choo, H. (2024) Bioinspired Nanophotonic Angle-Independent and Ultralarge Light Dispersion Allowing Simultaneous Near-Infrared-Spectroscopy and Visible-Imaging. ACS Photonics, 11 (4), 1480–1490.

69. You, B., Yoon, J., Kim, Y., Yang, M., Bak, J., Park, J., Kim, U.J., Hahm, M.G., and Lee, M. (2024) An extremely low-power-consumption reconfigurable two-dimensional tellurene artificial synapse for bio-inspired wearable edge computing. J Mater Chem C Mater, 12 (18), 6596–6605.

• 2023

68. Kim, U.J., Lee, S., Kim, H., Roh, Y., Han, S., Kim, H., Park, Y., Kim, S., Chung, M.J., Son, H., and Choo, H. (2023) Drug classification with a spectral barcode obtained with a smartphone Raman spectrometer. Nat Commun, 14 (1).

67. Narasimhan, V., Siddique, R.H., Kim, U.J., Lee, S., Kim, H., Roh, Y.G., Wang, Y.M., and Choo, H. (2023) Glasswing-Butterfly-Inspired Multifunctional Scleral Lens and Smartphone Raman Spectrometer for Point-of-Care Tear Biomarker Analysis. Advanced Science, 10 (5).

66. Park, Y., Kim, U.J., Lee, S., Kim, H., Kim, J., Ma, H., Son, H., Yoon, Y.Z., Lee, J. soong, Park, M., Choo, H., Park, Q.H., and Roh, Y.G. (2023) On-chip Raman spectrometers using narrow band filter array combined with CMOS image sensors. Sens Actuators B Chem, 381.

65. Han, Y., Kim, U.J., Nugera, F.A., Kim, S.I., Park, Y., Cheon, M., Kim, G.C., Gutiérrez, H.R., Lee, M., and Son, H. (2023) Photo-Carrier Lifetime in Binary and Ternary Heterostructures of Transition Metal Dichalcogenides. Phys Status Solidi B Basic Res, 260 (5).

• 2022

64. Nugera, F.A., Sahoo, P.K., Xin, Y., Ambardar, S., Voronine, D. V., Kim, U.J., Han, Y., Son, H., and Gutiérrez, H.R. (2022) Bandgap Engineering in 2D Lateral Heterostructures of Transition Metal Dichalcogenides via Controlled Alloying. Small, 18 (12).

63. Kim, U.J., Nam, S.H., Seo, J., Yang, M., Fu, Q., Liu, Z., Son, H., Lee, M., and Hahm, M.G. (2022) Visualizing Line Defects in non-van der Waals Bi2O2Se Using Raman Spectroscopy. ACS Nano, 16 (3), 3637–3646.

62. Seo, J., Nam, S.H., Lee, M., Kim, J.Y., Kim, S.G., Park, C., Seo, D.W., Kim, Y.L., Kim, S.S., Kim, U.J., and Hahm, M.G. (2022) Gate-controlled gas sensor utilizing 1D–2D hybrid nanowires network. iScience, 25 (1).

61. In, C., Kim, U.J., and Choi, H. (2022) Two-dimensional Dirac plasmon-polaritons in graphene, 3D topological insulator and hybrid systems. Light Sci Appl, 11 (1).

60. Kim, U.J., Nam, S.H., Kim, S.I., Han, Y., Yoon, J., Gutiérrez, H.R., Cheon, M., Kim, G.C., Park, Y., Lee, M., Hahm, M.G., and Son, H. (2022) Raman tensor studies on defective non-van der Waals Bi2O2Se. AIP Adv, 12 (10).

59. Kim, U.J., Nam, S.H., Seo, J., Yang, M., Fu, Q., Liu, Z., Son, H., Lee, M., and Hahm, M.G. (2022) Visualizing Line Defects in non-van der Waals Bi2O2Se Using Raman Spectroscopy. ACS Nano, 16 (3), 3637–3646.

58. Nugera, F.A., Sahoo, P.K., Xin, Y., Ambardar, S., Voronine, D. V., Kim, U.J., Han, Y., Son, H., and Gutiérrez, H.R. (2022) Bandgap Engineering in 2D Lateral Heterostructures of Transition Metal Dichalcogenides via Controlled Alloying. Small, 18 (12).

• 2021

57. Lee, M., Nam, S., Cho, B., Kwon, O., Lee, H.U., Hahm, M.G., Kim, U.J., and Son, H. (2021) Accelerated Learning in Wide-Band-Gap AlN Artificial Photonic Synaptic Devices: Impact on Suppressed Shallow Trap Level. Nano Lett, 21 (18), 7879–7886.

56. Kim, S.H., Yang, M., Lee, H.Y., Choi, J.S., Lee, H.U., Kim, U.J., and Lee, M. (2021) Structural characteristics of α-Ga2O3 films grown on sapphire by halide vapor phase epitaxy. Mater Sci Semicond Process, 123.

55. Lee, M., Yang, M., Lee, H.Y., Lee, H.U., Lee, H., Son, H., and Kim, U.J. (2021) The growth of HVPE α-Ga2O3 crystals and its solar-blind UV photodetector applications. Mater Sci Semicond Process, 123.

54. Lee, M., Park, W., Son, H., Seo, J., Kwon, O., Oh, S., Hahm, M.G., Kim, U.J., and Cho, B. (2021) Brain-inspired ferroelectric Si nanowire synaptic device. APL Mater, 9 (3).

• 2020

53. Lee, U., Han, Y., Lee, S., Kim, J.S., Lee, Y.H., Kim, U.J., and Son, H. (2020) Time Evolution Studies on Strain and Doping of Graphene Grown on a Copper Substrate Using Raman Spectroscopy. ACS Nano, 14 (1), 919–926.

52. Lee, U., Woo, Y.S., Han, Y., Gutiérrez, H.R., Kim, U.J., and Son, H. (2020) Facile Morphological Qualification of Transferred Graphene by Phase-Shifting Interferometry. Advanced Materials, 32 (38).

51. Lee, M., Son, H., Lee, H.Y., Moon, J., Kim, H., Park, J.I., Liu, Z., Hahm, M.G., Yang, M., and Kim, U.J. (2020) Nanovoid-driven highly crystalline aluminum nitride and its application in solar-blind UV photodetectors. J Mater Chem C Mater, 8 (41), 14431–14438.

50. Lee, M., Son, H., Lee, H.Y., Moon, J., Kim, H., Park, J.I., Liu, Z., Hahm, M.G., Yang, M., and Kim, U.J. (2020) Nanovoid-driven highly crystalline aluminum nitride and its application in solar-blind UV photodetectors. J Mater Chem C Mater, 8 (41), 14431–14438.

49. Lee, U., Woo, Y.S., Han, Y., Gutiérrez, H.R., Kim, U.J., and Son, H. (2020) Facile Morphological Qualification of Transferred Graphene by Phase-Shifting Interferometry. Advanced Materials, 32 (38).

48. Shin, W.S., Park, C.K., Seo, J., Jung, D.H., Choi, E., Lee, M., Kim, U.J., Hahm, M.G., and Kim, Y.J. (2020) Tribological characteristics of atomic-scale niobium diselenide grown via chemical vapor deposition. Applied Physics Express, 13 (10).

• 2018

47. Kim, U.J., Lee, H., Lee, W., Jeong, H.Y., Kim, H., Han, G.H., Lee, H.S., Park, Y., Roh, Y.G., Lee, Y.H., Lee, E., and Hwang, S.W. (2018) Misorientation-Angle-Dependent Phase Transformation in van der Waals Multilayers via Electron-Beam Irradiation. Advanced Materials, 30 (20).

46. Lee, H., Cho, Y., Kim, U.J., Chung, J., Yun, D., Kim, H., Lee, E., and Kim, H. (2018) Environment-dependent and anion-vacancy-controlled reversible phase transition of MoS2 synthesized by chemical vapor deposition. 2d Mater, 5 (4).

45. Kim, U.J., Kim, J.S., Park, N., Lee, S., Lee, U., Park, Y., Seok, J., Hwang, S., Son, H., and Lee, Y.H. (2018) Anomalous K-Point Phonons in Noble Metal/Graphene Heterostructure Activated by Localized Surface Plasmon Resonance. ACS Nano, 12 (12), 12733–12740.

44. Woo, Y.S., Lee, D.W., and Kim, U.J. (2018) General Raman-based method for evaluating the carrier mobilities of chemical vapor deposited graphene. Carbon N Y, 132, 263–270.

43. In, C., Kim, D., Roh, Y.G., Kim, S.W., Lee, H., Park, Y., Kim, S., Kim, U.J., Choi, H., and Hwang, S.W. (2018) Photocurrent Engineering of Silicon Nanowire Field-Effect Transistors by Ultrathin Poly(3-hexylthiophene). Adv Mater Interfaces, 5 (24).

• 2017

42. Park, Y., Kim, J., Cho, K.S., Kim, H., Lee, M.K., Lee, J.S., Kim, U.J., Hwang, S.W., Brongersma, M.L., Roh, Y.G., and Park, Q.H. (2017) Metasurface electrode light emitting diodes with planar light control. Sci Rep, 7 (1).

41. Kim, U.J., and Hur, J. (2017) Mechanism of enhanced photocurrent of graphene by polymer and metal nanoparticles. J Nanosci Nanotechnol, 17 (10), 7270–7274.

40. Kim, T., Kim, U.J., Son, H. Bin, and Hur, J. (2017) Investigation on the ion-gel dielectric characteristics for graphene transistor toward flexible and transparent devices. Sci Adv Mater, 9 (9), 1589–1594.

39. Kim, J., Park, S., Jang, H., Koirala, N., Lee, J.B., Kim, U.J., Lee, H.S., Roh, Y.G., Lee, H., Sim, S., Cha, S., In, C., Park, J., Lee, J., Noh, M., Moon, J., Salehi, M., Sung, J., Chee, S.S., Ham, M.H., Jo, M.H., Oh, S., Ahn, J.H., Hwang, S.W., Kim, D., and Choi, H. (2017) Highly Sensitive, Gate-Tunable, Room-Temperature Mid-Infrared Photodetection Based on Graphene-Bi2Se3 Heterostructure. ACS Photonics, 4 (3), 482–488.

38. Kim, T.G., Park, N., Kim, U.J., and Hur, J. (2017) Electrical modulation of graphene by the self-assembly of DNA-functionalized gold nanoparticles. J Nanosci Nanotechnol, 17 (11), 8007–8011.

• 2016

37. Jeong, H.Y., Kim, U.J., Kim, H., Han, G.H., Lee, H., Kim, M.S., Jin, Y., Ly, T.H., Lee, S.Y., Roh, Y.G., Joo, W.J., Hwang, S.W., Park, Y., and Lee, Y.H. (2016) Optical Gain in MoS2 via Coupling with Nanostructured Substrate: Fabry-Perot Interference and Plasmonic Excitation. ACS Nano, 10 (9), 8192–8198.

36. Lee, S.Y., Kim, U.J., Chung, J., Nam, H., Jeong, H.Y., Han, G.H., Kim, H., Oh, H.M., Lee, H., Kim, H., Roh, Y.G., Kim, J., Hwang, S.W., Park, Y., and Lee, Y.H. (2016) Large Work Function Modulation of Monolayer MoS2 by Ambient Gases. ACS Nano, 10 (6), 6100–6107.

35. Jeong, H.Y., Lee, S.Y., Ly, T.H., Han, G.H., Kim, H., Nam, H., Jiong, Z., Shin, B.G., Yun, S.J., Kim, J., Kim, U.J., Hwang, S., and Lee, Y.H. (2016) Visualizing point defects in transition-metal dichalcogenides using optical microscopy. ACS Nano, 10 (1), 770–777.

34. Cho, H.W., Kim, S.W., Kim, J., Kim, U.J., Im, K., Park, J.J., and Sung, B.J. (2016) Conductive network formation of carbon nanotubes in elastic polymer microfibers and its effect on the electrical conductance: Experiment and simulation. Journal of Chemical Physics, 144 (19).

• 2015

33. Kim, U.J., Yoo, S., Park, Y., Shin, M., Kim, J., Jeong, H., Baik, C.W., Roh, Y.G., Lee, J., Im, K., Son, H., Hwang, S., Lee, C.W., and Park, S. (2015) Plasmon-assisted designable multi-resonance photodetection by graphene via nanopatterning of block copolymer. ACS Photonics, 2 (4), 506–514.

32. Kim, U.J., Kim, T.G., Shim, Y., Park, Y., Lee, C.W., Kim, T.H., Lee, H.S., Chung, D.Y., Kihm, J., Roh, Y.G., Lee, J., Son, H., Kim, S., Hur, J., and Hwang, S.W. (2015) Modulation of the Dirac point voltage of graphene by ion-gel dielectrics and its application to soft electronic devices. ACS Nano, 9 (1), 602–611.

31. Yoo, S., Shin, M., Kim, U.J., Lee, C.W., and Park, S. (2015) Block-copolymer-based Au/Ag nanoring arrays with widely tunable surface plasmon resonance. Sci Adv Mater, 7 (5), 842–847.

30. Kim, J., Roh, Y.G., Cheon, S., Jeong Kim, U., Hwang, S.W., Park, Y., and Lee, C.W. (2015) Directional radiation of Babinet-inverted optical nanoantenna integrated with plasmonic waveguide. Sci Rep, 5.

• 2014

29. Lee, M., Mikulik, D., Park, S., Im, K., Cho, S.H., Ko, D., Kim, U.J., Hwang, S., and Yoon, E. (2014) Effect of additional hydrochloric acid flow on the growth of non-polar a-plane GaN layers on r-plane sapphire by hydride vapor-phase epitaxy. J Cryst Growth, 404, 199–203.

28. Kim, J., Roh, Y.G., Cheon, S., Choe, J.H., Lee, J., Lee, J., Jeong, H., Kim, U.J., Park, Y., Song, I.Y., Park, Q.H., Hwang, S.W., Kim, K., and Lee, C.W. (2014) Babinet-inverted optical Yagi-Uda antenna for unidirectional radiation to free space. Nano Lett, 14 (6), 3072–3078.

27. Kim, U.J., Kim, S. Il, Hwang, S., and Hur, J. (2014) Fabrication of two-dimensional zinc oxide nanorod patterns and their application for optical diffraction grating effect. J Mater Sci, 49 (24), 8328–8334.

26. Kim, T.G., Kim, U.J., Lee, S.Y., Lee, Y.H., Yu, Y.S., Hwang, S.W., and Kim, S. (2014) Barrier height at the graphene and carbon nanotube junction. IEEE Trans Electron Devices, 61 (6), 2203–2207.

• 2013

25. Kim, U.J., Hur, J., Cheon, S., Chung, D.Y., Son, H., Park, Y., Roh, Y.G., Kim, J., Lee, J., Kim, S.W., Im, K., Park, N., Kim, J., Hwang, S., Park, W., and Lee, C.W. (2013) Enhancement of integrity of graphene transferred by interface energy modulation. Carbon N Y, 65, 165–174.

• 2012

24. Park, Y., Roh, Y.G., Kim, U.J., Chung, D.Y., Suh, H., Kim, J., Cheon, S., Lee, J., Kim, T.H., Cho, K.S., and Lee, C.W. (2012) Nanoscale patterning of colloidal quantum dots on transparent and metallic planar surfaces. Nanotechnology, 23 (35).

• 2011

23. Kim, U.J., Kil, J.P., and Park, W. (2011) The geometrical effect of single walled carbon nanotube network transistors on low frequency noise characteristics. J Nanosci Nanotechnol, 11 (7), 6080–6083.

22. Kim, U.J., Suh, D.Y., Min, S.C., and Park, W. (2011) Post annealing effect on the electrical properties of top-gate SWNT network transistors. J Nanosci Nanotechnol, 11 (7), 5955–5958.

• 2010

21. Lee, I.H., Kim, U.J., Son, H. Bin, Yoon, S.M., Yao, F., Yu, W.J., Duong, D.L., Choi, J.Y., Kim, J.M., Lee, E.H., and Lee, Y.H. (2010) Hygroscopic effects on AuCl3-doped carbon nanotubes. Journal of Physical Chemistry C, 114 (26), 11618–11622.

20. Kim, U.J., Son, H. Bin, Lee, E.H., Kim, J.M., Min, S.C., and Park, W. (2010) Charge conversion effects of carbon nanotube network transistors by temperature for Al2O3 gate dielectric formation. Appl Phys Lett, 97 (3).

• 2009

19. Yu, W.J., Kim, U.J., Kang, B.R., Lee, I.H., Lee, E.H., and Lee, Y.H. (2009) Adaptive logic circuits with doping-free ambipolar carbon nanotube transistors. Nano Lett, 9 (4), 1401–1405.

18. Yu, W.J., Kim, U.J., Kang, B.R., Lee, I.H., Lee, E.H., and Lee, Y.-H. (2009) Multifunctional logic circuit using ambipolar carbon nanotube transistor. Carbon Nanotubes, Graphene, and Associated Devices II, 7399, 739906.

17. Kim, U.J., Lee, E.H., Kim, J.M., Min, Y.S., Kim, E., and Park, W. (2009) Thin film transistors using preferentially grown semiconducting single-walled carbon nanotube networks by water-assisted plasma-enhanced chemical vapor deposition. Nanotechnology, 20 (29).

16. Kim, U.J., and Park, W. (2009) Transport properties of field effect transistors with randomly networked single walled carbon nanotubes grown by plasma enhanced chemical vapour deposition. J Phys D Appl Phys, 42 (17).

15. Kim, S.M., Jang, J.H., Kim, K.K., Park, H.K., Bae, J.J., Yu, W.J., Lee, I.H., Kim, G., Loc, D.D., Kim, U.J., Lee, E.H., Shin, H.J., Choi, J.Y., and Lee, Y.H. (2009) Erratum: Reduction-controlled viologen in bisolvent as an environmentally stable n-type dopant for carbon nanotubes (J. Am. Chem. Soc. (2009) 131(327-331)). J Am Chem Soc, 131 (13), 5010.

• 2008

14. Kim, U.J., Gutiérrez, H.R., Gupta, A.K., and Eklund, P.C. (2008) Raman scattering study of the thermal conversion of bundled carbon nanotubes into graphitic nanoribbons. Carbon N Y, 46 (5), 729–740.

13. Kim, U.J., Kim, K.H., Kim, K.T., Min, Y.S., and Park, W. (2008) Noise characteristics of single-walled carbon nanotube network transistors. Nanotechnology, 19 (28).

• 2007

12. Bae, E.J., Min, Y.S., Kim, U.J., and Park, W. (2007) Thin film transistors of single-walled carbon nanotubes grown directly on glass substrates. Nanotechnology, 18 (49).

• 2006

11. Jeong Kim, U. (2006) VIBRATIONAL MODES AND THERMAL TRANSFORMATION OF PURIFIED SINGLE WALLED CARBON NANOTUBES.

10. Adu, K.W., Gutiérrez, H.R., Kim, U.J., and Eklund, P.C. (2006) Inhomogeneous laser heating and phonon confinement in silicon nanowires: A micro-Raman scattering study. Phys Rev B Condens Matter Mater Phys, 73 (15).

9.  Yi, B., Rajagopalan, R., Foley, H.C., Kim, U.J., Liu, X., and Eklund, P.C. (2006) Catalytic polymerization and facile grafting of poly(furfuryl alcohol) to single-wall carbon nanotube: Preparation of nanocomposite carbon. J Am Chem Soc, 128 (34), 11307–11313.

• 2005

8.  Kim, U.J., Gutiérrez, H.R., Kim, J.P., and Eklund, P.C. (2005) Effect of the tube diameter distribution on the high-temperature structural modification of bundled single-walled carbon nanotubes. Journal of Physical Chemistry B, 109 (49), 23358–23365.

7.  Kim, U.J., Liu, X.M., Furtado, C.A., Chen, G., Saito, R., Jiang, J., Dresselhaus, M.S., and Eklund, P.C. (2005) Infrared-active vibrational modes of single-walled carbon nanotubes. Phys Rev Lett, 95 (15).

6.  Gutiérrez, H.R., Kim, U.J., Kim, J.P., and Eklund, P.C. (2005) Thermal conversion of bundled carbon nanotubes into graphitic ribbons. Nano Lett, 5 (11), 2195–2201.

5.  Chen, G., Furtado, C.A., Kim, U.J., and Eklund, P.C. (2005) Alkali-metal-doping dynamics and anomalous lattice contraction of individual debundled carbon nanotubes. Phys Rev B Condens Matter Mater Phys, 72 (15).

4.  Adu, K.W., Gutiérrez, H.R., Kim, U.J., Sumanasekera, G.U., and Eklund, P.C. (2005) Confined phonons in Si nanowires. Nano Lett, 5 (3), 409–414.

3.  Kim, U.J., Furtado, C.A., Liu, X., Chen, G., and Eklund, P.C. (2005) Raman and IR spectroscopy of chemically processed single-walled carbon nanotubes. J Am Chem Soc, 127 (44), 15437–15445.

• 2004

2.  Furtado, C.A., Kim, U.J., Gutierrez, H.R., Pan, L., Dickey, E.C., and Eklund, P.C. (2004) Debundling and Dissolution of Single-Walled Carbon Nanotubes in Amide Solvents. J Am Chem Soc, 126 (19), 6095–6105.

1.  Park, W., Min, Y.-S., Ju Bae, E., and Jeong Kim, U. (2004) Low Temperature Growth of Highly Purified Single-Walled Carbon Nanotubes Using Lithographic Catalysts by Plasma Enhanced Chemical Vapor Deposition. Am. Chem. Soc., Div. Fuel Chem, 49 (2).