Publications in 2007

Nanomaterials & Nanotechnology


Plenary Talk / Invited Papers / Invited Review Papers

  1. S.T. Lee, Plenary Talk - "Si and II-VI Nanomaterials Research", Singapore International Chemical Conference 5 (SICC-5), 15 - 19 December 2007, Singapore.
  2. S.T. Lee, "Chemical & Sensing Application of SiNWs", JJ. Nanowires: Novel Assembly Concepts and Device Integration, MRS Fall Meeting, 26 Nov - 29 November 2007, Boston, USA
  3. R.Q. Zhang, "Ground-state and Excited-state properties of Silicon Nanostructures", Workshop on Nanoscience & Nanotechnology, Fragrant Hill Hotel, Beijing, 28-31 Oct 2007
  4. S.T. Lee, "Nanotechnology Technology and Daily Living", Distinguished Chinese Scientists Lecture Series, 25 - 27 October 2007, Hong Kong
  5. S.T. Lee, "Novel properties of silicon nanostructures", HK IAS - US ICMR Workshop on Advanced Materials, 12-15 September 2007, Hong Kong.
  6. R.Q. Zhang, "Computations of Nanostructures and Biomolecules Using Economic Basis Sets", Workshop on Theoretical and Computational Chemistry, Shandong University, Jinan, China, 13-17 April 2007

Publications in 2007

  1. Z.H. Kang, C.H. Tsang, N.B. Wong, M.L. Zhang, S.T. Lee, "Silicon Quantum Dots: A General Photocatalyst for Reduction, Decomposition, and Selective Oxidation Reactions", J. Am. Chem. Soc. 129, 12090-12091 (2007). (September 2007).
  2. Z.H. Kang, C.H. Tsang, Z.D. Zhang, M.L. Zhang, N.B. Wong, J.A. Zapien, Y.Y. Shan, S.T. Lee, "A Polyoxometalate-Assisted electrochemical method for silicon nanostructures preparation: from quantum dots to nanowires" J. Am. Chem. Soc. 129, 5326-5327 (2007). (April 2007).
  3. X. J. Zhang, X. H. Zhang, K. Zou, C. S. Lee, S. T. Lee, "Single-crystal nanoribbons, nanotubes, and nanowires from intramolecular charge-transfer organic molecules", J. Am. Chem. Soc. 129, 3527-3532 (2007). (March 2007)
  4. Y. Jiang, W. J. Zhang, J. S. Jie, X. M. Meng, X. Fan, S.-T. Lee, "Photoresponse Properties of CdSe Single-Nanoribbon Photodetectors", Adv. Funct. Mater. 17, 1795-1800 (2007). (July 2007)
  5. B.L. Cao, Y. Jiang, C. Wang, W.H. Wang, L.Z. Wang, M. Niu, W.J. Zhang, Y.Q. Li, S.T. Lee, "Synthesis and lasing properties of highly-ordered CdS nanowire arrays", Adv. Funct. Mater. 17, 1501-1506 (2007). (June 2007)
  6. A. J. Lu, R. Q. Zhang, S. T. Lee, "Stress-induced band gap tuning in 112 silicon nanowires", Appl. Phys. Lett. 91, 263107 (2007).
  7. T. F. Chung, L. B. Luo, Z. B. He, Y. H. Leung, I. Shafiq, Z. Q. Yao, S. T. Lee, "Selective growth of catalyst-free ZnO nanowire arrays on Al:ZnO for device application", Appl. Phys. Lett. 91, 233112 (2007).
  8. Z. Q. Yao, Y. S. Zou, Y. Yang, W. J. Zhang, S. T. Lee, Y. Z. Zhang, Z. Z. Ye, "Epitaxial growth and structural analysis of AlN/GaN heterostructures", Appl. Phys. Lett. 91, 221912 (2007).
  9. J. Q. Ning, S. J. Xu, D. P. Yu, Y. Y. Shan, and S. T. Lee, "418 cm−1 Raman scattering from gallium nitride nanowires: Is it a vibration mode of N-rich Ga-N bond configuration?", Appl. Phys. Lett. 91, 103117 (2007).
  10. Q. S. Li, R. Q. Zhang, S. T. Lee, T. A. Niehaus, and Th. Frauenheim, "Stabilizing excited-state silicon nanoparticle by surface oxidation", Appl. Phys. Lett. 91, 043106 (2007).
  11. Hu Xu, A. L. Rosa, Th. Frauenheim, R. Q. Zhang, and S. T. Lee, "Density-functional theory calculations of bare and passivated triangular-shaped ZnO nanowires", Appl. Phys. Lett. 91, 031914 (2007).
  12. J. A. Zapien, Y. K. Liu, Y. Y. Shan, H. Tang, C. S. Lee, S. T. Lee, "Continuous near-infrared-to-ultraviolet lasing from II-VI nanoribbons", Appl. Phys. Lett. 90, 213114 (2007). (May 2007)
  13. K.Q. Peng, M.L. Zhang, A.J. Lu, N.B. Wong, R.Q. Zhang, S.T. Lee, "Ordered silicon nanowire arrays via nanosphere lithography and metal-induced etching", Appl. Phys. Lett. 90, 163123 (2007). (April 2007)
  14. X. Wang, R. Q. Zhang, S. T. Lee, T. A. Niehaus, and Th. Frauenheim, "Unusual size dependence of the optical emission gap in small hydrogenated silicon nanoparticles", Appl. Phys. Lett. 90, 123116 (2007). (March 2007)
  15. X. Fan, X.M. Meng, X.H. Zhang, C.S. Lee, S.T. Lee, "Template fabrication of SiO2 nanotubes", Appl. Phys. Lett. 90, 103114 (2007). (March 2007)
  16. Y. Q. Li, J. X. Tang, H. Wang, J. A. Zapien, Y. Y. Shan, S. T. Lee, "Heteroepitaxial growth and optical properties of ZnS nanowire arrays on CdS nanoribbons", Appl. Phys. Lett. 90, 093127 (2007). (March 2007)
  17. H. Wang, X.H. Zhang, C.S. Lee, K. Zou, W.S. Shi, S.K. Wu, J. Chang, S.T. Lee, "Oxide Shell Assisted Vapor-Liquid-Solid Growth of Periodic Composite Nanowires-A Case of Si/Sn", Chem. Mater. 19, 5598-5601 (2007).
  18. H. Xu, R.Q. Zhang, X.H. Zhang, A.L. Rosa, Th. Frauenheim, "Structural and electronic properties of ZnO nanotubes from density functional calculations", Nanotechnology 18, 485713 (2007). (December 2007)
  19. Y.K. Liu, J.A. Zapien, Y.Y. Shan, H. Tang, C.S. Lee, S.T. Lee, "Wavelength-tunable lasing in single-crystal CdS1-XSeX nanoribbons", Nanotechnology 18, 365606 (2007). (September 2007)
  20. Z.H. Chen, J.S. Jie, L.B. Luo, H. Wang, C.S. Lee, S.T. Lee, "Applications of silicon nanowires functionalized with palladium nanoparticles in hydrogen sensors", Nanotechnology 18, 345502 (2007). (August 2007)
  21. C.Q. Yi, C.C. Fong, W.W. Chen, S.J. Qi, C.H. Tzang, S.T. Lee, M.S. Yang, "Interactions between carbon nanotubes and DNA polymerase and restriction endonucleases", Nanotechnology 18, 025102 (2007). (January 2007)
  22. W. Fan, H. Xu, A.L. Rosa, Th. Frauenheim, R. Q. Zhang, "First-principles calculations of reconstructed [0001] ZnO nanowires", Phys. Rev. B 76, 073302 (2007)
  23. M. Dovrat, N. Arad, X.-H. Zhang, S.-T. Lee, A. Sa'ar, "Optical properties of silicon nanowires from cathodoluminescence imaging and time-resolved photoluminescence spectroscopy", Phys. Rev. B 75, 205343 (2007). (June 2007).
  24. C.Q. Yi, C.C. Fong, W.W. Chen, S.J. Qi, S.T. Lee, M.S. Yang, "Inhibition of Biochemical Reactions by Silicon Nanowires through Modulating Enzyme Activities", ChemBioChem 8, 1225 (2007).
  25. S.J. Qi, C.Q. Yi, W.W. Chen, C.C. Fong, S.T. Lee, M.S. Yang, "Effects of Silicon Nanowires on HepG2 Cell Adhesion and Spreading", ChemBioChem 8, 1115 (2007).
  26. Z.H. Kang, C.H. Tsang, D.D.D. Ma, N.B. Wong, S.T. Lee, "Nanomaterials separation by an ultrasonic-assisted phase transfer method", Chem. Phys. Lett. 455, 252-255 (2008). (April 2008).
  27. X. Wang, R.Q. Zhang, T. A. Niehaus, T. Frauenheim, S. T. Lee, "Hydrogenated Silicon Nanoparticles Relaxed in Excited States", J. Phys. Chem. C 111, 12588-12593 (2007).
  28. C. Feng, R.Q. Zhang, S.L. Dong, T.A. Niehaus, Th. Frauenheim, "Signatures in Vibrational Spectra of Ice Nanotubes Revealed by a Density Functional Tight Binding Method, J. Phys. Chem. C. 111, 14131-14138 (2007).
  29. C.S. Lin, R.Q. Zhang, T.A. Niehaus, Th. Frauenheim, "Geometric and Electronic Structures of Carbon Nanotubes Adsorbed with Flavin Adenine Dinucleotide: A Theoretical Study", J. Phys. Chem. C. 111, 4069-4073 (2007).
  30. X. Wang, R. Q. Zhang, T. A. Niehaus, T. Frauenheim, "Excited state properties of allylamine-capped silicon quantum dots", J. Phys. Chem. C 111, 2394-2400 (2007). (February 2007)
  31. M.W. Zhao, R.Q. Zhang, Y.Y. Xia, C. Song, S.T. Lee, "Faceted silicon nanotubes: structure, energetic, and passivation effects", J. Phys. Chem. C 111, 1234-1238 (2007). (December 2006)
  32. J.S. Hu, H.X. Ji, A.M. Cao, Z.X. Huang, Y. Zhang, L.J. Wan, A. D. Xia, D.P. Yu, X.M. Meng, S.T. Lee, "Facile solution synthesis of hexagonal Alq3 nanorods and their field emission properties", Chem. Commun 3083-3085 (2007).
  33. M. Dovrat, N. Arad, X. H. Zhang, S. T. Lee, A. Sa'ar, "Cathodoluminescence and photoluminescence of individual silicon nanowires", physica status solidi (a) 204, 1512-1517 (2007). (May 2007)
  34. Q.S. Li, R.Q. Zhang, T.A. Niehaus, Th. Frauenheim, S.T. Lee, "Theoretical Studies on Optical and Electronic Properties of Propionic-Acid-Terminated Silicon Quantum Dots", J. Chem. Theory and Comput. 3, 1518-1526 (2007).
  35. W. J. Fan, R. Q. Zhang, S.B. Liu, "Computation of large systems with an economic basis set: Structures and reactivity indices of nucleic acid base pairs from density functional theory", Journal of Computational Chemistry 28, 967-974 (2007). (April 2007)
  36. C.Y. Rong, S.X. Lian, D.L. Yin, A.G. Zhong, R.Q. Zhang, S.B. Liu, "Effective simulation of biological systems: Choice of density functional and basis set for heme-containing complexes", Chemical Physics Letters 434, 149-154 (2007). (January 2007).
  37. X. Zhang, C.J. Yan, G.B. Pan, R.Q. Zhang, L.J. Wan, "Effect of C-H-F and O-H-O Hydrogen Bonding in Forming Self-Assembled Monolayers of BF2-Substituted �-Dicarbonyl Derivatives on HOPG: STM Investigation", J. Phys. Chem. C 111, 13851-13854 (2007).
  38. M. Caplovicova, T. Danis, D. Buc, L. Caplovic, J. Janik, I. Bello, "An alternative approach to carbon nanotube sample preparation for TEM investigation", Ultramicroscopy 107, 692-697 (2007).

Organic Light Emitting Diodes


Invited Conference Talks

  1. C.S. Lee, "Energy Level bending and dipole at organic heterojunctions and their implications on device performance", Material Research Society fall meeting, Interfaces in Organic & Molecular Electronics, November 26-30, 2007, (Boston, USA).
  2. C.S. Lee, Keynote Talk - "Energy Level bending and dipole at organic heterojunctions and their implications on device performance", The 4th Workshop on Advanced Spectroscopy Organic Materials for Electronic Applications, October 8-12, (Chiba, Japan).
  3. C.S. Lee, "Reassessment of some common assumptions on organic heterojunctions & their implications to device performance", Optical Society of America - Organic Materials and Devices for Displays and Energy Conversion, September 16-19, 2007, (San Jose (USA).
  4. C.S. Lee, "Reassessment of some common assumptions on organic heterojunctions & their implications to device performance", SPIE Conference on Organic Light Emitting Materials and Devices XI, August 26-30, 2007, (San Diego, USA).
  5. S.T. Lee, Plenary Talk - "Interfaces in organic electronic devices - new insights to traditional concepts", The 10th Asian Symposium on Information Display, 2-3 August 2007, Singapore.
  6. C.S. Lee, "Influences of connecting unit architecture on the performance of tandem organic light-emitting devices", 10th Asian Symposium on Information Display 2007 (ASID-07), August 2007 (Singapore).
  7. C.S. Lee, "Approaches for enhancing efficiency of organic photovoltaic devices", International Display Manufacturing Conference & Exhibition 2007 (IDMC-07), July 2007 (Taipei).
  8. C.S. Lee, "Interfaces in organic electronic devices - new insights to traditional concepts", 12th Hong Kong Physical Society Annual Conference, June 2007 (Hong Kong).
  9. C.S. Lee, "Interfaces of organic semiconductors and their influences on device performance", Organic Light-Emitting Device Workshop, 2007 January (Hong Kong).

Publications in 2007

  1. X.J. Zhang, X.H. Zhang, W.S. Shi, X.M. Meng, C.S. Lee, S.T. Lee, "Single-crystal organic microtubes with a rectangular cross section", Angew. Chem. Int. Ed. 46, 1525 - 1528 (2007). (February 2007)
  2. M. Y. Chan, S. L. Lai, K. M. Lau, M. K. Fung, C. S. Lee, S. T. Lee, "Influences of Connecting Unit Architecture on the Performance of Tandem Organic Light-Emitting Devices", Adv. Funct. Mater. 17, 2509-2514 (2007). (September 2007)
  3. J.S. Wu, W.M. Liu, X.O. Zhuang, F. Wang, P.F. Wang, S.L. Tao, X.H. Zhang, S.K. Wu, S.T. Lee, "Fluorescence Turn On of Coumarin Derivatives by Metal Cations: A New Signaling Mechanism Based on C=N Isomerization", Org. Lett.; (Letter)9(1), 33-36 (2007). (January 2007)
  4. Q.X. Tong, S.L. Lai, M.Y. Chan, K.H. Lai, J.X. Tang, H.L. Kwong, C.S. Lee, S.T. Lee, "Efficient green organic light-Emitting devices with a nondoped dual-functional electroluminescent material", Appl. Phys. Lett. 91, 153504 (2007).
  5. Q.X. Tong, S.L. Lai, M.Y. Chan, J.X. Tang, H.L. Kwong, C.S. Lee, and S.T. Lee, "High-efficiency nondoped white organic light-emitting devices", Appl. Phys. Lett. 91, 023503 (2007).
  6. S.L. Tao, C.S. Lee, S.T. Lee, and X.H. Zhang, "Efficient blue and white organic light-emitting devices based on a single bipolar emitter", Appl. Phys. Lett. 91, 013507 (2007).
  7. M. Y. Chan, S. L. Lai, M. K. Fung, C. S. Lee, and S. T. Lee, "Erratum: Doping-induced efficiency enhancement in organic photovoltaic devices" Appl. Phys. Lett. 90, 023504 (2007).
  8. S. L. Lai, M. Y. Chan, M. K. Fung, C. S. Lee, S. T. Lee, "Efficiency enhancement and voltage reduction in white organic light-emitting devices", Appl. Phys. Lett. 90, 203510 (2007) (May 2007)
  9. M. Y. Chan, S. L. Lai, M. K. Fung, C. S. Lee, S. T. Lee, "Doping-induced efficiency enhancement in organic photovoltaic devices", Appl. Phys. Lett. 90, 023504 (2007). (January 2007)
  10. Q.X. Tong, S.L. Lai, M.Y. Chan, K.H. Lai, J.X. Tang, H.L. Kwong, C.S. Lee, S.T. Lee, "High Tg Triphenylamine-Based Starburst Hole-Transporting Material for Organic Light-Emitting Devices", Chem. Mater. 19, 5851-5855 (2007).
  11. J. X. Tang, C. S. Lee, and S. T. Lee, "Electronic structures of organic/organic heterojunctions: From vacuum level alignment to Fermi level pinning", J. Appl. Phys. 101, 064504 (2007). (March 2007)
  12. S. L. Lai, M. Y. Chan, M. K. Fung, C. S. Lee, and S. T. Lee, "Copper hexadecafluoro-phthalocyanine and copper phthalocyanine as a pure organic connecting unit in blue tandem organic light-emitting devices", J. Appl. Phys. 101, 014509 (2007). (January 2007)
  13. S.L. Chew, P.F. Wang, Z.R. Hong, H.L. Kwong, J.X. Tang, S.L. Sun, C.S. Lee, S.T. Lee, "Photoluminescence and electroluminescence of a novel green-yellow emitting material-5,6-Bis-[4-(naphthalene-1-yl-phenyl-amino)-phenyl]-pyrazine-2,3-dicarbonitrile", Journal of Luminescence 124, 221-227 (2007). (June 2007)
  14. W.F. Xie, K.C. Lau, C.S. Lee, S.T. Lee, "Transparent organic light-emitting devices with LiF/Yb:Ag cathode", Thin Solid Films 575, 6975-6977 (2007). (June 2007)

Diamond and Superhard Materials


Invited Conference Talks

  1. W.J. Zhang, "The Sensing Applications of Cubic Boron Nitride Films", Workshop on Nanoscience & Nanotechnology, Fragrant Hill Hotel, Beijing, 28-31 Oct 2007
  2. Y. Lifshitz, W.J. Zhang, I. Bello, S.T. Lee, "Towards industrialization of cubic boron nitride coatings" E-MRS Spring Meeting, 28 May- 1 Jun, 2007, Congress Center - Strasbourg (France)

Publications in 2007

  1. X.T. Zhou, T.K. Sham, Y. Wu, Y.M. Chong, I. Bello, S.T. Lee, F. Heigl, T. Regier, R. I. R. Blyth, "X-ray Excited Optical Luminescence from Diamond Thin Films: The Contribution of sp2- and H-Bonded Carbon to the Luminescence", J. Am. Chem. Soc. 129, 1476-1477 (2007). (January 2007)
  2. Z. Q. Yao, Y. S. Zou, Y. Yang, W. J. Zhang, S. T. Lee, Y. Z. Zhang, Z. Z. Ye, "Epitaxial growth and structural analysis of AlN/GaN heterostructures", Appl. Phys. Lett. 91, 221912 (2007). (Decemember 2007)
  3. H. Q. Li, K. M. Leung, K. L. Ma, Q. Ye, Y. M. Chong, Y. S. Zou, W. J. Zhang, S. T. Lee, I. Bello, "Nanocubic boron nitride/nanodiamond multilayer structures", Appl. Phys. Lett. 91, 201918 (2007).
  4. Z. Q. Yao, Q. Ye, Y. Q. Li, Y. S. Zou, W. J. Zhang, S. T. Lee, "Microstructure analysis of c-axis oriented aluminum nitride thin films by high-resolution transmission electron microscopy", Appl. Phys. Lett. 90, 121907 (2007). (March 2007)
  5. K. L. Ma, J. X. Tang, Y. S. Zou, Q. Ye, W. J. Zhang, S. T. Lee, "Photoemission spectroscopic study of nitrogen-incorporated nanocrystalline diamond films", Appl. Phys. Lett. 90, 092105 (2007). (February 2007)
  6. X. T. Zhou, T. K. Sham, W. J. Zhang, C. Y. Chan, I. Bello, S. T. Lee, H. Hofs-ss, "X-ray absorption studies on cubic boron nitride thin films", J. Appl. Phys. 101, 013710 (2007). (January 2007)
  7. Y.S. Zou, K.L. Ma, W.J. Zhang, Q. Ye, Z.Q. Yao, Y.M. Chong, S.T. Lee, "Fabrication of diamond nanocones and nanowhiskers by bias-assisted plasma etching", Diamond and Related Materials 16, 1208-1212 (2007). (April-July 2007)
  8. W.J. Zhang, Y.M. Chong, I. Bello, S.T. Lee, "Nucleation, growth and characterization of cubic boron nitride (cBN) films", J. Phys. D: Appl. Phys. 40, 6159-6174 (2007). (October 2007)
  9. Y.L. Zhao, R.Q. Zhang, Vadali. V.S.S. Srikanth, X. Jiang, "Possible Gas-Phase Reactions of H2/CH4/Tetramethylsilane in Diamond/β-SiC Nanocomposite Film Deposition: An Ab-Initio Study", J. Phys. Chem. A 111, 3554-3559 (2007).
  10. A. Spiesser, Y.M. Chong, K.M. Leung, G. Abel, G.G. Ross, M.J. Walzak, R. Jacklin, W.M. Lau, W.J. Zhang, I. Bello, "Surface Free Energy of Cubic Boron Nitride Films Deposited on Nanodiamond", J. Phys. Chem. C. 111, 12768-12772 (2007).
  11. H.X. Ji, J.S. Hu, Q.X. Tang, W.G. Song, C.R. Wang, W.P. Hu, L.J. Wan, S.T. Lee, "Controllable Preparation of Submicrometer Single-Crystal C60 Rods and Tubes Trough Concentration Depletion at the Surfaces of Seeds", J. Phys. Chem. C. 111, 10498-10502 (2007).