Dr. Yongfeng Lu email: Dr. Lu Laser-Assisted Nano Engineering Lab NCMN Homepage

Dr. Yongfeng Lu, Lott Professor
Electrical Engineering
University of Nebraska - Lincoln
217N WSEC
Lincoln, Nebraska 68588-0511
office: (402) 472-8323
fax (402) 472- 4732
email: ylu2@unl.edu
Lu's website   
LANE Group Logo
Carbon Nanotubes - on UNL Office of Research Video, Nanostructures - on UNL Office of Research Video

Current Research

His current research interests focus on micro- and nanoscale laser material processing and characterization, including diamond growth through laser-assisted localized chemistry, controllable growth of carbon nanotubes for device fabrications, three-dimensional photonic bandgap structures, synthesis of carbon nanoonions, laser-induced breakdown spectroscopy, nano-Raman spectroscopy, and coherent anti-stokes Raman spectroscopy. His research is mainly supported by NSF, ONR, AFOSR, AOARD, UNL, and industry.

Recent Key Publications

  1. Y.F. Lu, “Synthesis of Crystalline Carbon Nitride by Simultaneous Vibrational and Electronic Excitations”, NSF CMMI Engineering Research and Innovation Conference 2008 (Jan 4-7, 2011, Atlanta, GA)
  2. Y.F. Lu, Y.S. Zhou, M.M. Samani, W. Xiong, M. Mitchell, “Controlled growth of carbon nanotubes: from locations to structures”, Invited talk, Confernece on Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XVI in LASE 2011 (Photonics West 2011, 22-27 January 2011, Moscone Center San Francisco, California, USA)
  3. M. Mahjouri-Samani, Y. S. Zhou, W. Xiong, Y. Gao, M. Mitchell, and Y. F. Lu, “Diameter modulation of carbon nanotubes by rapid temperature modulation in laser-assisted chemical vapor deposition”, Confernece on Laser-Based Micro and Nano-Packaging and Assembly V in LASE 2011 (Photonics West 2011, 22-27 January 2011, Moscone Center San Francisco, California, USA)
  4. Z. Q. Xie, Y. S. Zhou, X. N. He, Y. Gao, J. B. Park, T. Guillemet, and Y. F. Lu , “Laser-assisted synthesis of diamond crystals in open air through vibrational excitation of precursor molecules”, Confernece on Laser-Based Micro and Nano-Packaging and Assembly V in LASE 2011 (Photonics West 2011, 22-27 January 2011, Moscone Center San Francisco, California, USA)
  5. Y.F. Lu, “Laser processing of nanomaterials with spectral and spatial controllability”, Keynote Presentation, Internatinal Conference on Laser Processes and Components (15-17 March 2011, Laser World of Photonics,  Shanghai, China)
  6. Y.S. Zhou, W. Xiong, M.M. Samani, Y. Gao, M. Mitchell, and Y.F. Lu, “What Can Lasers Do in the Nano-Fabrication of Carbon Nanotube Based Devices?”, Invited talk, Symposium TT: Laser-Material Interactions at Micro/Nanoscales, MRS Spring Meeting 2011 (Materials Research Society, 25-29 April 2011, San Francisco, CA)
  7. J. B. Park and Y. F. Lu, “Laser direct writing of graphene patterns”, Symposium TT: Laser-Material Interactions at Micro/Nanoscales, MRS Spring Meeting 2011 (Materials Research Society, 25-29 April 2011, San Francisco, CA)
  8. W. Xiong, Y.S. Zhou, M. Mitchell, J. Park, M.M. Samani, Y. Gao, and Y.F. Lu, “Assembly of carbon nanotube devices by tip-induced optical trapping”, Symposium TT: Laser-Material Interactions at Micro/Nanoscales, MRS Spring Meeting 2011 (Materials Research Society, 25-29 April 2011, San Francisco, CA)
  9. F. Parigi, Y. Gao, M. Casares, T. Gachovska, Y. S. Zhou, Y.F. Lu, D. Patterson, and J. L. Hudgins, “Investigations on the Aging Effect of Supercapacitors”, Symposium TT: Laser-Material Interactions at Micro/Nanoscales, MRS Spring Meeting 2011 (Materials Research Society, 25-29 April 2011, San Francisco, CA)
  10. M. Mahjouri-Samani, Y.S. Zhou, W. Xiong and Y.F. Lu, “Laser-Assisted Periodic Diameter Modulation of Carbon Nanotubes Through Rapid Temperature Modulation”, The 12th International Symposium on Laser Precision Microfabrication (LPM 2011, 7-10 June 2011, Kagawa, Japan)
  11. Z.Q. Xie, X.N. He, W. Hu, Y. Gao, T. Guillemet, J.B. Park, Y.S. Zhou, and Y.F. Lu, “Laser Excitations of Precursor Molecules by Different Laser Powers in Laser-Assisted Growth of Diamond Films”, The 12th International Symposium on Laser Precision Microfabrication (LPM 2011, 7-10 June 2011, Kagawa, Japan)
  1. Y.F. Lu, Invited talk,Laser synthesis and spectroscopy of micro/nanostructured materials”, 1st International Conference on Frontiers of Laser Processing (ICFL 2011, 11-15 July 2011, Changchun, China).
  2. T. Guillemet, P.M. Geffroy, J.M. Heintz, N. Chandra, Y.F. Lu, J.F. Silvain, “Fabrication of copper/diamond composite films by tape casting and hot pressing”, Proceedings of 18th International Conference on Composite Materials (ICCM 18, Aug 21-26, 2011, Jeju, Korea).
  3. Y.F. Lu, Keynote talk, “Laser nanomanufacturing of carbon structures and devices”, The 1st Forum on Trends in Nanomanufacturing (NanoTrend 2011, 10-14 October 2011, Hefei, China)
  4. Z.Q. Xie, X.N. He, W. Hu, Y. Gao, T. Guillemet, J.B. Park, Y.S. Zhou, and Y.F. Lu, Best Student Paper Award (1st Place) “Laser-Power-Resolved Excitations of Ethylene Molecules in Laser-Assisted Synthesis of Diamond Films”, Laser Microfabrication Conference, 30th International Congress on Applications of Lasers and Electro-Optics (ICALEO 2011, 23-27 October 2011, Orlando, FL)
  5. L.S. Fan, Z.Q. Xie, J.B. Park, X.N. He, Y.S. Zhou, and Y.F. Lu, “Synthesis of Nitrogen-Doped Diamond Films by Vibrational Excitation of Precursor Molecules using CO2 Laser in a Combustion Flame Process”, Laser Microfabrication Conference, 30th International Congress on Applications of Lasers and Electro-Optics (ICALEO 2011, 23-27 October 2010, Orlando, FL)
  6. M. Mahjouri-Samani, Y.S. Zhou, W. Xiong, M. Mitchell, and Y.F. Lu, “Laser-Induced Growth of Diameter-Modulated Single-Walled Carbon Nanotubes”, Laser Microfabrication Conference, 30th International Congress on Applications of Lasers and Electro-Optics (ICALEO 2011, 23-27 October 2011, Orlando, FL)
  7. X.N. He, W. Hu, Y.S. Zhou, C.M. Li, L.B. Guo, and Y.F. Lu, Best Poster Paper Award (1st Place), “Spectral Resolution Improvement in Laser-Induced Breakdown Spectroscopy Through Generation of High-Temperature and Low-Density Plasmas, Laser Microfabrication Conference, 30th International Congress on Applications of Lasers and Electro-Optics (ICALEO 2011, 23-27 October 2011, Orlando, FL)
  8. Y. Gao, Y. S. Zhou, M. Qian, W. Xiong, J. B. Park, P. Goodman, J. G. Redepenning, Y. F. Lu, “Capacitive properties of carbon nano-onions synthesized by laser resonant excitation of ethylene molecules in open air”, MRS Fall Meeting 2011, Symposium AA: Nanotubes, Graphene, and Related Nanostructures (November 28 - December 2, 2011, Boston, MA)
  9. M. Qian, Y. S. Zhou, Y. Gao,  J. B. Park, Z. Sun, Y. F. Lu, “Formation of graphene through pulsed laser exfoliation of highly ordered pyrolytic graphite”, MRS Fall Meeting 2011, Symposium AA: Nanotubes, Graphene, and Related Nanostructures (November 28 - December 2, 2011, Boston, MA)
  10. W. Xiong, Y. S. Zhou, J. B. Park, M. Mahjouri-Samani, Y. Gao, Y. F. Lu, “Integration of additive and subtractive processes for three-dimensional sub-wavelength fabrication by femtosecond direct laser writing”, MRS Fall Meeting 2011, Symposium V: Multifunctional Polymer-based Materials (November 28 - December 2, 2011, Boston, MA)
  11. Y. F. Lu, J.B. Park, Y.S. Zhou, “Laser direct writing of micro graphene patterns”,  Invited talk, Meeting on Synthesis and Photonics of Nanoscale Materials IX (SPNSM)IX in LASE 2012 (Photonics West 2012, 21-26 January 2012, Moscone Center San Francisco, California, USA)
  12. X. N. He, L. B. Guo, Z. Q. Xie, X. Huang, W. Hu, and Y. F. Lu, “Laser-induced breakdown spectroscopy with improved spectral resolutions through the generation of high-temperature and low-density plasmas”, Confernece on Laser-Based Micro and Nano-Packaging and Assembly VI in LASE 2012 (Photonics West 2012, 21-26 January 2012, Moscone Center San Francisco, California, USA)
  13. L. B. Guo, X.N.He, B. Y. Zhang, C. M. Li, W. Hu, Y. S. Zhou, Z. X. Cai, X. Y. Zeng, and Y. F. Lu, “Enhancement of LIBS signal by using both hemispherical cavity and magnetic field”, Confernece on Laser-Based Micro and Nano-Packaging and Assembly VI in LASE 2012 (Photonics West 2012, 21-26 January 2012, Moscone Center San Francisco, California, USA)
  14. Y. F. Lu, Invited talk, “Laser synthesis of micro/nanostructured carbon materials”, International High Power Laser Ablation Conference (HPLA 2012, 29 Apri – 3 May 2012, Santa Fe, New Mexico, USA)
  15. Y.S.  Zhou, W. Xiong, J.B. Park, M. Qian, M. Mahjouri-Samani, Y. Gao, L. Jiang, and Y.F. Lu, Invited talk, “Laser-assisted Fabrication of Carbon Nanostructures”,  13th International Symposium on Laser Precision Microfabrication (LPM 2012, 12-15 June 2012, Washington DC, USA)
  16. X.N. He, Z.Q. Xie, Y. Gao, X. Huang, Y.S. Zhou, and Y.F. Lu, “Combined Laser Ionizationand Ambient Metastable Ionization in Mass Spectrometry of Solid Samples in Open Air”,  13th International Symposium on Laser Precision Microfabrication (LPM 2012, 12-15 June 2012, Washington DC, USA)
  17. F. Parigi, Y. Gao, T. Gachovska, J.L. Hudgins, D. Patterson, Y.F. Lu, “Impedance-Based Simulation Model of Carbon Nano-Onions Ultracapacitors for e-Bike with Compact Energy Storage System”, 8th IEEE Vehicle Power and Propulsion Conference (VPPC 2012, IEEE, 9-12 October 2012, Seoul, Korea)
  18. Y. F. Lu, Z.Q. Xie, and Y.S. Zhou, Invited talk, “Laser Resonant Excitation of Precursor Molecules in Chemical Vapor Deposition of Diamond Thin Films and Crystals”, MATADOR 2012 Conference (25-27 July 2012, Manchester, UK).
  19. Y. F. Lu, Z.Q. Xie, L.S. Fan, and Y.S. Zhou, Invited talk, “Laser-induced Multi-Energy Processing in Diamond Growth”, The 8th International Conference on Photo-Excited Processes and Applications (ICPEPA-8, 12-18 August 2012, Rochester, NY, USA)
  20. Y.F. Lu, Y.S. Zhou, W. Xiong, J.B. Park, M. Qian, M. Mahjouri-Samani, Y. Gao, and L. Jiang, “Laser synthesis of carbon nanostructures”,  Plenary talk,  20th International Conference on Advanced Laser Technologies (ALT-2012, 2-6 September 2012,  Gwatt Zentrum, Thun, Switzerland)
  21. J-F Silvain, J-M Heintz, T. Guillemet, Y.F. Lu, “Role of metal/matrix interfaces in the thermal management of metal-carbon composites”,  Invited Talk, Nanomanufacturing Conference, 31st International Congress on Applications of Lasers and Electro-Optics (ICALEO 2012, 23-27 Sept 2012, Anaheim, CA)
  22. W. Xiong,  Y.S. Zhou, X.N. Xiangnan He, Y. Gao, M. Mahjouri-Samani, T. Baldacchini, Y.F. Lu, “Three-dimensional micro/nano-fabrication by integration of additive and subtractive femtosecond-laser direct writing processes”,  Nanomanufacturing Conference, 31st International Congress on Applications of Lasers and Electro-Optics (ICALEO 2012, 23-27 Sept 2012, Anaheim, CA)
  23. M. Mahjouri-Samani, Y.S. Zhou, W. Xiong, X.N. He, P. Hilger, and Y.F. Lu, “Efficient laser coupling into plasmonic nanoattenna arrays for fabrication and characterization of sensitive infrared bolometers”,  Nanomanufacturing Conference, 31st International Congress on Applications of Lasers and Electro-Optics (ICALEO 2012, 23-27 Sept 2012, Anaheim, CA)
  24.  L.S. Fan, W. Xiong, J.B. Park, Y.S. Zhou, L. Jiang, Y.F. Lu,  “Direct writing grapheme patterns on insulator substrate”, Confernece on Laser-Based Micro and Nano-Packaging and Assembly VII in LASE 2013 (Photonics West 2013, 2-7 February 2013, Moscone Center San Francisco, California, USA)
  25. X. Huang, X.N. He, W. Xiong, Y.S. Zhou, Y. Gao, and Y.F.Lu,  “Coherent anti-Stokes Raman scattering imaging at 100-nm resolution using silica mircospheres as superlenses”, Confernece on Laser-Based Micro and Nano-Packaging and Assembly VII in LASE 2013 (Photonics West 2013, 2-7 February 2013, Moscone Center San Francisco, California, USA)
  26.  Yong Feng Lu, Wei Xiong, Yun Shen Zhou, Xiang Nan He, Yang Gao, Masoud Mahjouri-Samani, Lan Jiang, and Tommaso Baldacchini, Invited Talk, “Additive and subtractive three-dimensional nanofabrication using two-photon polymerization and multi-photon ablation”, Confernece on Advanced Fabrication Technologies for Micro/Nano Optics and Photonics VI  in  MOEMN-MEMS 2013 (Photonics West 2013, 2-7 February 2013, Moscone Center San Francisco, California, USA)
  27. Yong Feng Lu, Xiang Nan He, Xi Huang, and Lianbo Guo, Invited Talk,  “Laser-based Spectroscopy and Spectrometry”, Confernece on Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XVIII in LASE 2013 (Photonics West 2013, 2-7 February 2013, Moscone Center San Francisco, California, USA)

Z. Q. Xie, Y. S. Zhou, X. N. He, Y. Gao, J. B. Park, H. Ling, and Y. F. Lu, "Fast Growth of Diamond Crystals in Open Air by Combustion Synthesis with Resonant Laser Energy Coupling", Crystal Growth & Design (2010).

Y. S. Zhou, W. Xiong, Y. Gao, M. Mahjouri-Samani, M. Mitchell, L. Jiang, and Y. F. Lu, "Towards Carbon-Nanotube Integrated Electronics: Optically Controlled Simultaneous Integration of Single-Walled Carbon Nanotubes",  Nanotechnology, in press (2010).

T. McKindra, S. Patil, M. J. O’Keefe, Z. Q. Xie, and Y. F. Lu, "Characterization of diamond thin films deposited by a CO2 laser-assisted combustion-flame method", Materials Characterization, 61, 661 – 667 (2010).

Z. Y. Yang, M. Zhao, P. X. Lu, and Y. F.  Lu," Ultra-broadband optical circular polarizers consisting of double-helical nanowire structures",  Opt. Lett., 35(15), 2588-2590 (2010).

X. N. He, X. K. Shen, T. Gebre, Z. Q. Xie, L. Jiang, and Y. F. Lu, "Spectroscopic Determination of Rotational Temperature in C2H4/C2H2/O2 Flames for Diamond Growth with and without Tunable CO2 LaserExcitation", App. Opt., 49(9), 1555-1562 (2010).

Z. Q. Xie, Y. S. Zhou, X. N. He, Y. Gao, J. B. Park, H. Ling,and Y. F. Lu, "Fast growth of diamond crystals in open air by combustion synthesis with resonant laser energy coupling", Crystal Growth and Design, 10,  1762-1766 (2010).

M. Han, F. W. Guo, and Y. F. Lu, "Optical-fiber refractometer based on cladding-mode Bragg grating",  Opt. Lett. , 399-401 (2010)

H. Wang, W. Q. Yang, C. B. Ma, and Y. F. Lu, "Design of two-dimensional tunable photonic crystal with multiple functionalities", Journal of Nanoscience & Nanotechnology, 10(3), 1656-1662 (2010).

Y. Gao, Y. S. Zhou, W. Xiong, M. Mahjouri-Samani, M. Mitchell, and Y. F. Lu, "Controlled growth of carbon nanotubes on electrodes under different bias polarity", Appl. Phys. Lett. 95(14), 143117 (2009).

M. Masoud-Samani, Y. S. Zhou, W. Xiong, Y. Gao, M. Mitchell, and Y. F. Lu, "Laser-assisted selective removal of metallic carbon nanotubes" Nanotechnology 20(49), 495202 (2009).

H. Ling, Z. Q. Xie, Y. Gao, T. Gebre, X. K. Shen, and Y. F. Lu, "Enhanced chemical vapor deposition of diamond by wavelength-matched vibrational excitations of ethylene molecules using tunable CO2 laser irradiation", J. Appl. Phys., 105(6), 064901, (2009).

Y. S. Zhou, K. J. Yi, M. Mahjouri-Samani, W. Xiong, Y. F. Lu, and S. H. Liou, "Image contrast enhancement in field-emission scanning electron microscopy of single-walled carbon nanotubes", Appl. Surf. Sci., 255(7), 4341-4346, (2009).

W. Xiong, Y. S. Zhou, M. Mahjouri-Samani, W. Q. Yang, K. J. Yi, X. N. He, S. H. Liou, and Y. F. Lu, "Self-aligned growth of single-walled carbon nanotubes using optical near-field effects", Nanotechnology, 20(2), 025601, (2009).

K. J. Yi, X. N. He, Y. S. Zhou, W. Xiong, and Y. F. Lu, "Tip-enhanced near-field Raman spectroscopy with ascanning tunneling microscope and side-illumination optics", Rev. Sci. Instrum., 79(7), 073706, (2008).

X. K. Shen and Y. F. Lu, "Detection of uranium in solids by using laser-induced breakdown spectroscopy combined with laser-induced fluorescence", Appl. Opt., 47(11), 1810-1815, (2008). H. Wang and Y. F. Lu, "Core-shell photonic band gap structures fabricated using laser-assisted chemical vapor deposition", J. Appl. Phys., 103(1), 013113, (2008).