University of Minnesota
University of Minnesota: Department of Mechanical Engineering
http://www.me.umn.edu/

Uwe Kortshagen Publications

Publications in refereed scientific journals:

92. “Topical Review: Nonthermal plasma synthesis of semiconductor nanocrystals,” (invited) U. Kortshagen, J. Phys. D: Appl. Phys. 42, 113001 (2009).

91. “Universal size-dependent trend in Auger recombination in direct-gap and indirect-gap semiconductor nanocrystals,” Istvan Robel, Ryan Gresback, Uwe Kortshagen, Richard Schaller, Victor Klimov, Phys. Rev. Lett., 102, 177404 (2009).

90. “Selective nanoparticle heating: Another form of nonequilibrium in dusty plasmas,” Lorenzo Mangolini and Uwe Kortshagen, Phys. Rev. E 79, 026405 (2009).

89. “Hybrid solar cells from P3HT and silicon nanocrystals,” Chin-Yi Liu, Zachary C. Holman, and Uwe R. Kortshagen, Nano Letters 9(1), 449-452, 2009.

88. “SF6 Plasma etching of silicon nanocrystals,” R.W. Liptak, B. Devetter, J.H. Thomas III, U. Kortshagen and S. Campbell, Nanotechnology 20, 035603 (2009).

87. “Analytical model of particle charging in plasmas over a wide range of collisionality,” Marco Gatti and Uwe Kortshagen, Phys. Rev. E 78, 046402, 2008.

86. “Plasma synthesis of group IV quantum dots for luminescence and photovoltaic applications,” U.Kortshagen, R. Gresback, Z. Holman, R. Ligman, X.-Y. Liu, L. Mangolini, and S.A. Campbell, Pure and Applied Chem., 80 (9), 1901-1908, 2008.

85. “Air-stable full-visible-spectrum emission from silicon nanocrystal ensembles synthesized by an all-gas-phase plasma approach,” X. D. Pi, R. W. Liptak, J. D. Nowak, N. Wells, D. A. Blank, C. B. Carter, S. A. Campbell , and U. Kortshagen, Nanotech., 19, 123102, (2008).

84. “Doping efficiency, dopant location, and oxidation of Si nanocrystals,” X. D. Pi and R. Gresback, R. W. Liptak ,S. A. Campbell, U. Kortshagen, Appl. Phys. Lett. 92, 123102 (2008).

83. “Size-dependent intrinsic radiative decay rates of silicon nanocrystals at large confinement energies,” Milan Sykora, Lorenzo Mangolini, Richard D. Schaller, Uwe Kortshagen, David Jurbergs, and Victor I. Klimov, Phys. Rev. Lett. 100, 067401 (2008).

82. “Plasma-Assisted Synthesis of Silicon Nanocrystal Inks,” Lorenzo Mangolini and Uwe Kortshagen, Advanced Materials 19, 2513 (2007) (featured on cover).

81. “Nonthermal plasma synthesis of size-controlled, monodisperse, freestanding germanium nanocrystals,” Ryan Gresback, Zachary Holman, and Uwe Kortshagen, Appl. Phys. Lett. 91, 093119 (2007).

80. “In-flight dry etching of plasma-synthesized silicon nanocrystals,” X. D. Pi, R. Liptak, S. A. Campbell, U. Kortshagen, Appl. Phys. Lett. 91, 083112 (2007).

79. “TEM Characterization of CdSe Quantum Dot Sensitized ZnO Nanowires,” R. Divakar, J. Basu, K. S. Leschkies, U. R. Kortshagen, E. S. Aydil, D. J. Norris, C. Barry Carter, Microsc Microanal 13(Suppl 2), 2007.

78. “Nonthermal plasma synthesis of faceted Germanium nanocrystals,” Patrizio Cernetti, Ryan Gresback, Stephen A. Campbell, and Uwe Kortshagen, Chemical Vapor Deposition 13, 345 (2007).

77. “Photosensitization of ZnO Nanowires with CdSe Quantum Dots for Photovoltaic Devices,” K. Leschkies, R. Divakar, J. Basu, C. B. Carter, U. Kortshagen, E Aydil, and D. Norris, Nano Letters 7, 1793 (2007).

76. “A plasma process for the synthesis of cubic-shaped silicon nanocrystals for nanoelectronic devices,” Ameya Bapat, Marco Gatti, Yong-Ping Ding, Stephen Campbell and Uwe Kortshagen, J. Phys. D: Appl. Phys., in press.

75. “Room-temperature atmospheric oxidation of Si nanocrystals after HF etching,” X. D. Pi, L. Mangolini, S. A. Campbell, U. Kortshagen, Phys. Rev. B 75, 085423 (2007).

74. "Electroluminescence from Surface Oxidized Silicon Nanoparticles Dispersed Within a Polymer Matrix," Rebekah Ligman, Lorenzo Mangolini, Uwe Kortshagen, and Stephen Campbell, Appl. Phys. Lett. 90, 061116 (2007).

73. “Plasma synthesis of semiconductor nanocrystals for nanoelectronics and luminescence applications” Uwe Kortshagen, Lorenzo Mangolini, Ameya Bapat, Journal of Nanoparticle Research 9, 39-52 (2007).

72. “Fabrication of vertically aligned single-walled carbon nanotubes in atmospheric pressure non-thermal plasma CVD,” Tomohiro Nozaki, Kuma Ohnishi, Ken Okazaki and Uwe Kortshagen, Carbon 45, 364-374 (2007).

71. “High efficiency photoluminescence from silicon nanocrystals prepared by plasma synthesis and organic surface passivation,” L. Mangolini, D. Jurbergs, E. Rogojina and U. Kortshagen, Phys. Stat. Sol. (c), 3 (11), 3975-3978 (2006).

70. “Plasma synthesis and liquid-phase surface passivation of brightly luminescent Si nanocrystals,” L. Mangolini, D. Jurbergs, E. Rogojina, and U. Kortshagen, J. Luminescence 121, 327-334 (2006).

69. “Single Nanoparticle Semiconductor Devices,” Yongping Ding, Ying Dong, Ameya Bapat, Julia D. Nowak, C. Barry Carter, Uwe R. Kortshagen, and Stephen A. Campbell, IEEE Trans. Electron Devices 53 (10), 2525 (2006).

68. “Plasticity responses in ultra-small confined cubes and films,” M.J. Cordill, M.D. Chambers, M.S. Lund, D.M. Hallman, C.R. Perrey, C.B. Carter, A. Bapat, U. Kortshagen, W.W. Gerberich, Acta Materialia 54, 4515-4523 (2006).

67. “TEM Study of the Morphology of Nanoparticles,” J. Deneen, P. Cernetti, R. Gresback, U. Kortshagen, and C. B. Carter, Microscopy and Microanalysis 12 (S02), 612, (2006).

66. “Silicon Nanocrystals with Ensemble Quantum Yields exceeding 60%,” David Jurbergs, Elena Rogojina, Lorenzo Mangolini, and Uwe Kortshagen, Appl. Phys. Lett. 88, 233116 (2006).

65. “Non-local kinetics of the electrons in a low-pressure afterglow plasma,” Sergey Gorchakov, Dirk Uhrlandt, Michael Hebert, and Uwe Kortshagen, Phys. Rev. E 73, 056402 (2006)

64. “Deposition of vertically oriented carbon nanofibers in atmospheric pressure radio frequency discharge,” Tomohiro Nozaki, Tomoya Goto, Ken Okazaki, Kuma Ohnishi, Lorenzo Mangolini, Joachim Heberlein, and Uwe Kortshagen, J. Appl. Phys. 99, 024310 (2006).

63. “Two-dimensional Numerical Study of Atmospheric Pressure Glows in Helium with Impurities,” P. Zhang, U. Kortshagen, J. Phys. D: Appl. Phys. 39, 153-163 (2006).

62. “High-Yield Scaleable Plasma Synthesis of Luminescent Silicon Nanocrystals,” L. Mangolini, E. Thimsen and U. Kortshagen, Nano Letters 5(4), 655 (2005).

61. “Atmospheric Pressure Glow Discharge Initiation from a Single Electron Avalanche,” Peng Zhang and Uwe Kortshagen, IEEE Transactions on Plasma Science 33(2), 318-319, (2005).

60. “Numerical Simulation of Nanoparticle Transport during PECVD,” Sarah J. Warthesen, Uwe Kortshagen and Steven L. Girshick, IEEE Transactions on Plasma Science 33(2), 398-399 (2005).

59. “Experimental investigations into the formation of nanoparticles in a/nc-Si:H thin films,” S. Thompson, C. R. Perrey, T. J. Belich, J. Kakalios, C. B. Carter, and U. Kortshagen, J. Appl. Physics 97, 034310 (2005).

58. “Plasma synthesis of single crystal silicon nanoparticles for novel electronic device applications,” Ameya Bapat, Curtis Anderson, Christopher R. Perrey, C. Barry Carter, Stephen A. Campbell, and Uwe Kortshagen, Plasma Physics and Controlled Fusion 46, B97–B109 (2004).

57. “The Production and Electrical Characterization of Free Standing Cubic Single Crystal Silicon Nanoparticles,” S. A. Campbell, U. Kortshagen, A. Bapat, Y. Dong, S. Hilchie, Z. Shen, Journal of Materials, JOM (formerly Journal of Metals) 56(10), 26-28 (2004).

56. “Observation of Si Nanocrystals by Spherical-Aberration Corrected Transmission Electron Microscopy,” Christopher R. Perrey, Julia M. Deneen, Siri S. Thompson, Markus Lentzen, Uwe Kortshagen, and C. Barry Carter, Microscopy and Microanalysis 10 (S02), 996 (2004).

55. “Observation of Si nanocrystals in a/nc-Si:H films by spherical-aberration corrected transmission electron microscopy,” Christopher R. Perrey, Siri Thompson, Markus Lentzen, Uwe Kortshagen, and C. Barry Carter, J. Noncrystalline Solids, 343, 78-84 (2004).

54. “The Generation of Free-Standing Single Crystal Silicon Nanoparticles,” Y. Dong, A. Bapat, S. Hilchie, U. Kortshagen and S. A. Campbell, J. Vac. Sci. B 22(4), 1923-1930 (2004).

53. “Electrical Characterization of Amorphous Silicon Nanoparticles,” Z. Shen, U. Kortshagen, and S. A. Campbell, J. Appl. Phys. 96(4), 2204-2209 (2004).

52. “Space and time-resolved emission spectroscopy on atmospheric pressure glows in helium with impurities,” C. Anderson, M. Hur, P. Zhang, L. Mangolini, and U. Kortshagen, J. Appl. Phys. 96(4), 1835-39 (2004).

51. “Effects of current limitation through the dielectric in atmospheric pressure glows in helium,” L. Mangolini, C. Anderson, J. Heberlein, and U. Kortshagen, J. Phys. D: Appl. Phys. 37, 1021-1030 (2004).

50. “Particle Production in High Density Silane Plasmas,” Z. Shen, T. Kim, U. Kortshagen, P. L. McMurry, and S. A. Campbell, J. Appl. Phys. 94, 2277-2283 (2003).

49. “Synthesis of highly oriented, single-crystal silicon nanoparticles in a low-pressure, inductively coupled plasma,” Ameya Bapat, Christopher R. Perrey, Stephen A. Campbell, C. Barry Carter, and Uwe Kortshagen, J. Appl. Phys. 94, 1969-1974 (2003).

48. “Numerical study of the effect of gas temperature on the time for onset of particle nucleation in argon–silane low-pressure plasmas,” Upendra Bhandarkar, Uwe Kortshagen and Steven L Girshick, J. Phys. D: Appl. Phys. 36, 1399–1408 (2003).

47. “Modeling Gas-Phase Nucleation in Inductively-Coupled Silane-Oxygen Plasmas,” S.-M. Suh, S. L. Girshick, U. Kortshagen, and M. R. Zachariah, J. Vac. Sci. Technol. A 21, 251 (2003).

46. “Experimental study of diffusive cooling of electrons in pulsed inductively coupled plasma,” Antonio Maresca, Konstantin Orlov, and Uwe Kortshagen, Phys. Rev. E 65, 056405 (2002).

45. “Analysis of Thompson Scattered Light from and Arc Plasma Jet,” G. Gregori, U. Kortshagen, J. Heberlein, and E. Pfender, Phys. Rev. E 65, 046411 (2002).

44. “Radial structure of a low frequency atmospheric pressure glow discharge in helium.” L. Mangolini, K. Orlov, U. Kortshagen, J. Heberlein, and U. Kogelschatz, Appl. Phys. Lett 80, 1722 (2002).

43. “Recent progress in the understanding of electron kinetics in low-pressure inductive plasmas,” U. Kortshagen, A. Maresca, K. Orlov, and B. Heil, Appl. Surf. Sci. 192, 240 (2002).

42. “Experimental study of the influence of nanoparticle generation on the electrical characteristics of argon-silane capacitive radio-frequency plasmas,” Z. Shen and U. Kortshagen, J. Vac. Sci. Technol. A 20, 153 (2002).

41. “Plasma Chemistry and Growth of Nanosized Particles in a C2H2 RF-Discharge,” S. Stoykov, C. Eggs, and U. Kortshagen, J. Phys. D: Appl. Phys. 34, 2160 (2001).

40. “Modeling of Silicon Hydride Clustering in Low-Pressure Silane Plasma,” U. V. Bhandarkar, M. T. Swihart, S. L. Girshick, and U. R. Kortshagen, J. Phys. D: Appl. Phys. 33, 2731 (2000).

39. “Experimental Observation of a “Convective Cell” in Electron Phase Space in an Inductively Coupled RF Plasma,” U. Kortshagen and B. Heil, Appl. Phys. Lett. 77, 1265 (2000).

38. “Kinetic Modeling and Experimental Studies of Large-Scale Low-Pressure RF Discharges,” U. Kortshagen and B. Heil, J. Tech. Phys. (Special Issue XLI), 325 (2000).

37. “Generation and Growth of Nanoparticles in Low-Pressure Plasmas,” U. R. Kortshagen, U. V. Bhandarkar, S. L. Girshick, and M. T. Swihart, Pure & Appl. Chem. 71, 1871 (1999).

36. “Self-consistent Monte-Carlo Simulations of Positive Column Discharges,” J. E. Lawler and U. Kortshagen, J. Phys. D: Appl. Phys, 32, 3188 (1999).

35. “Energy-Resolved Electron Particle and Energy Fluxes in Positive Column Plasmas,” U. Kortshagen and J. E. Lawler, J. Phys. D: Appl. Phys. 32, 2737 (1999).

34. “Kinetic two-dimensional modeling of inductively coupled plasmas based on a hybrid kinetic approach,” U. Kortshagen and B. Heil, IEEE Trans. Plasma Sci. 27, 1297 (1999).

33. “Modeling of Particulate Coagulation in Low Pressure Plasmas,” U. Kortshagen and U. Bhandarkar, Phys. Rev. E 60, 887 (1999).

32. “Two-Dimensional Mapping of Electron Distribution Functions in Low Pressure ICP,” B. Heil and U. Kortshagen, IEEE Trans. Plasma Sci. 27, 56 (1999).

31. “On Thomson Scattering Measurements in Atmospheric Plasma Jets,” G. Gregori, J. Schein, P. Schwendinger, U. Kortshagen, J. Heberlein and E. Pfender, Phys. Rev. E 59, 2286, (1999).

30. “Kinetic modeling of the charging of nonconducting walls in a low pressure RF inductively coupled plasma,” U. Kortshagen, J. Vac. Sci. Technol. A 16, 300 (1998).

29. “On the use of dust plasma acoustic waves for the diagnostics of nanometer-sized contaminant particles in plasmas,” U. Kortshagen, Appl. Phys. Lett. 71, 208 (1997).

28. “Investigation of the 147 nm radiative efficiency of Xe Surface Wave Discharges,” N. D. Gibson, U. Kortshagen and J. E. Lawler, J. Appl. Phys. 81, 1087 (1997).

27. “On the radial distribution of charged particle fluxes and the nonambipolar diffusion in a nonmagnetized planar inductively coupled plasma,” G. Mümken and U. Kortshagen, J. Appl. Phys. 80 ,6639 (1996) .

26. “Comparison of Monte Carlo Simulations and Nonlocal Calculations of the Electron Distribution Function in a Positive Column Plasma,” U. Kortshagen, G. J. Parker, and J. E. Lawler, Phys. Rev. E. 54, 6746 (1996).

25. “The Electrical Charging of micron-sized Dust Particles in Capacitively Coupled RF Plasmas,” U. Kortshagen and G. Mümken, Phys. Lett. A. 217, 126 (1996).

24. “A Radiometric Investigation of Low Pressure RF Sulfur Discharges,” N. D. Gibson, U. Kortshagen, and J. E. Lawler, J. Appl. Phys. 79, 7523 (1996).

23. “On the E-H-mode Transition in RF inductive discharges,” U. Kortshagen, N. D. Gibson and J. E. Lawler, J. Phys. D: Appl. Phys. 29, 1224 (1996).

22. “Pulsed Discharges Produced by High Power Surface Waves,” A. Böhle, O. Ivanov, A. Kolisko, U. Kortshagen, H. Schlüter and A. Vikarev, J. Phys. D: Appl. Phys. 29, 369 (1996).

21. Review article: “On simplifying approaches to the solution of the Boltzmann equation in spatially inhomogeneous plasmas,” U. Kortshagen, C. Busch and L.D. Tsendin, Plasma Sources Sci. Technol. 5, 1 (1996).

20. “Ion Energy Distribution Functions in a Planar Inductively Coupled RF Discharge,” U. Kortshagen and M. Zethoff, Plasma Sources Sci. Technol. 4, 541 (1995).

19. “On the Efficiency of the Electron Sheath Heating in Capacitively Coupled RF Discharges in the Weakly Collisional Regime,” U. Buddemeier, U. Kortshagen and I. Pukropski, Appl. Phys. Lett. 67, 191 (1995).

18. “Modelling of Microwave Discharges in the Presence of Plasma Resonances,” Yu. M. Aliev, A. V. Maximov, U. Kortshagen, H. Schlüter and A. Shivarova, Phys. Rev. E 51, 6091 (1995).

17. “Experimental Investigation and Fast Two-dimensional Self-consistent Kinetic Modelling of Low-pressure Inductively Coupled RF discharges,” U. Kortshagen, I. Pukropski and L. D. Tsendin, Phys. Rev. E. 51, 6063 (1995).

16. “Electron and Ion Distribution Functions in Microwave and RF Plasmas,” U. Kortshagen, Plasma Sources Sci. Technol. 4, 172 (1995).

15. “Numerical Solution of the Spatially Inhomogeneous Boltzmann Equation and Verification of the Nonlocal Approach,” C. Busch and U. Kortshagen, Phys. Rev. E 51, 280 (1995).

14. “Fast Two-dimensional Self-consistent Kinetic Modelling of Low-pressure Inductively Coupled RF Discharges,” U. Kortshagen and L. D. Tsendin, Appl. Phys. Lett. 65, 1355 (1994).

13. “On the Spatial Variation of the Electron Distribution Function in a RF Inductively Coupled Plasma: Experimental and Theoretical Study,” U. Kortshagen, I. Pukropski and M. Zethoff, J. Appl. Phys. 76, 2048 (1994).

12. “On the Influence of Metastable Atoms on Surface Wave Produced Helium Plasmas,” J. Berndt, U. Kortshagen and H. Schlüter, J. Phys. D: Appl. Phys. 27 1470 (1994).

11. “Experimental Evidence on the Nonlocality of the Electron Distribution Function,” U. Kortshagen, Phys. Rev. E 49, 4369 (1994).

10. “On the Influence of Excited Atoms on the Electron Kinetics of a High Frequency Sustained Argon Plasma,” A. Böhle and U. Kortshagen, Plasma Sources Sci. Technol. 3, 80 (1994).

9. “Electron Energy Distribution Functions in Microwave Discharges Created by Propagating Microwaves,” U. Kortshagen, A. Shivarova, E. Tatarova and D. Zamfirov, J. Phys. D: Appl. Phys. 27, 301 (1994).

8. “A Nonlocal Kinetic Model Applied to Microwave Plasmas in Cylindrical Geometry,” U. Kortshagen, J. Phys. D: Appl. Phys. 26, 1691 (1993).

7. “On the Influence of the Energy Transfer Efficiency on the Electron Energy Distribution Function in HF Sustained Rare Gas Plasmas: Experimental and Numerical Study,” U. Kortshagen, J. Phys. D: Appl. Phys. 26, 1230 (1993).

6. “Analytical Study of the Influence of Electron-Electron Collisions on the High Energy Part of the Electron Energy Distribution Function,” U. Kortshagen, A.V. Maximov and H. Schlüter, Physica Scripta 46, 450 (1992).

5. “Dispersion Characteristics and Radial Field Distribution of Surface Waves in the Collisional Regime,” M. Zethoff and U. Kortshagen, J. Phys. D: Appl. Phys. 25,1574 (1992).

4. “On the Influence of Coulomb Collisions on the Electron Energy Distribution Function of Surface Wave Produced Argon Plasmas,” U. Kortshagen and H. Schlüter, J. Phys. D: Appl. Phys. 25, 644 (1992).

3. “Determination of Electron Energy Distribution Functions in Surface Wave Produced Plasmas: II. Measurements,” U. Kortshagen and H. Schlüter, J. Phys. D: Appl. Phys. 24, 1585 (1991).

2. “Determination of Electron Energy Distribution Functions in Surface Wave Produced Plasmas: I. Modelling,” U. Kortshagen, H. Schlüter and A. Shivarova, J. Phys. D: Appl. Phys. 24, 1571 (1991).

1. “Experimental and Numerical Study of Electromagnetic Effects on Resonance Cones,” U. Kortshagen and A. Piel, Phys. Fluids B1, 538 (1989).