Home People Teaching Staff Daniel H. C. ONG

Education:

• PhD, Materials Science and Engineering, Northwestern University, USA, 1996
• BA, Chemistry/Biochemistry, Northwestern University, USA, 1992

Position:

• 2018-now, Professor, Department of Physics, The Chinese University of Hong Kong
• 2009-2018, Associate Professor, Department of Physics, The Chinese University of Hong Kong
• 2001-2009, Assistant Professor, Department of Physics, The Chinese University of Hong Kong
• 1998-2001, Assistant Professor, Electronic Engineering, City University of Hong Kong
• 1998, Research Assistant Progessor, Materials Research Center, Northwestern University, USA
• 1997, Postdoctoral Fellow, Materials Science and Engineering, Northwestern University, USA

Research Interests:

• Semiconductor physics
• Thin film science
• Random Laser

External Research Grants:

• RGC Earmarked Grant: The Development of Polycrystalline Light-Emitting Device in UV Region
• RGC Earmarked Grant: The Study of ZnO doped with Erbium and its Electroluminescent Application
• NSFC/RGC Joint Research Scheme: The Study of ZnO for the Use of Polycrystalline Optoelectronic Devices

Selected Recent Publications:

• Q.J. Xiang, J.G. Yu, B. Cheng and D.H.C. Ong, "Microwave-Hydrothermal Preparation and Visible-Light Photoactivity of Plasmonic Photocatalyst Ag-TiO2 Nanocomposite Hollow Spheres", Chemistry - An Asian Journal 5, 1466-1474 (2010).
• J.T.K. Wan and D.H.C. Ong, "Structrual Symmerty of Two-Dimensional Metallic Arrays: Implications for Surface Plasmon Excitations", Optics Communications 283, 1546-1552 (2010).
• C.Y. Chan, J.B. Xu, M.M.Y. Waye and D.H.C. Ong, "Angle Resolved Surface Enhanced Raman Scattering (SERS) on Two-Dimensional Metallic Arrays with Different Hole Sizes", Applied Physics Letters 96, 033104 (2010).
• D.Y. Lei, J. Li, A.I. Fernandez-Dominguez, D.H.C. Ong and S.A. Maier, "Geometry Dependence of Surface Plasmon Polariton Lifetimes in Nanohole Arrays", ACS Nano 4, 432-438 (2010).
• K.C. Hui, J.T.K. Wan, J.B. Xu and D.H.C. Ong, "Dependence of Anisotropic Surface Plasmon Lifetimes of Two-Dimensional Hole Arrays on Hole Geometry", Applied Physics Letters 95, 063110 (2009).
• J. Li, J. B. Xu and D.H.C. Ong, "Hole Size Dependence of Forward Emission from Organic Dyes Coated with Two-dimensional Metallic Arrays", Applied Physics Letters 94, 241114 (2009).
• J. Li, H. Iu, D.Y. Lei, J.T.K. Wan, J.B. Xu, H.P. Ho, M.M.Y. Waye and D.H.C. Ong, "Dependence of Surface Plasmon Lifetimes on the Hole Size in Two-Dimensional Metallic Arrays", Applied Physics Letters 94, 183112 (2009).
• J. Li, H. Iu, J.T.K. Wan and D.H.C. Ong, "The Plasmonic Properties of Elliptical Metallic Hole Arrays", Applied Physics Letters 94, 033101 (2009).
• R.S. Wang and D.H.C. Ong, "Study of Interfacial Diffusion in Al2O3/ZnO and MgO/ZnO Heterostructures", Journal of Applied Physics 104, 016108 (2008).
• H. Iu, D.H.C. Ong and J.T.K. Wan, "Surface Plasmon Resonance in Two-Dimensional Nanobottle Arrays", Optics Express 16, 10294-10302 (2008).
• J. Li, H. Iu, W.C. Luk, J.T.K. Wan and D.H.C. Ong, "Studies of the Plasmonic Properties of Two-Dimensional Metallic Nanobottle Arrays", Applied Physics Letters 92, 213106 (2008).
• J. Li and D.H.C. Ong, "Temperature Dependence of Surface Plasmon Mediated Emission from Metal-Capped ZnO Films", Applied Physics Letters 92, 121107 (2008).
• R.S. Wang, Q.L. Gu, C.C. Ling and D.H.C. Ong, "Studies of Oxide/ZnO Near-Interfacial Defects by Photoluminescence and Deep Level Transient Spectroscopy", Applied Physics Letters 92, 042105 (2008).
• D.Y. Lei and D.H.C. Ong, "Enhanced Forward Emission from ZnO via Surface Plasmons", Applied Physics Letters 91, 211107 (2007).
• L. Jin, W.C.H. Choy, Y.P. Leung, T.I. Yuk, D.H.C. Ong and J.B. Wang, "Synthesis and Analysis of Abnormal Wurtzite ZnSe Nanowheels", Journal of Applied Physics 102, 044302 (2007).
• J. Rafique, J. Yu, J.L. Yu, G. Fang, K.W. Wong, Z. Zheng, D.H.C. Ong and W.M. Lau, "Electrospinning Highly Aligned Long Polymer Nanofibers on Large Scale by Using a Tip Collector", Applied Physics Letters 91, 063126 (2007).
• D.Y. Lei, J. Li and D.H.C. Ong, "Tunable Surface Plasmon Mediated Emission from Semiconductors by Using Metal Alloys", Applied Physics Letters 91, 021112 (2007).
• X.Y. Zhang, J.Y. Dai, C.H. Lam, H.T. Wang, P.A. Webley, Q. Li and D.H.C. Ong, "Zinc/ZnO Core-Shell Hexagonal Nanodisk Dendrites and Their Photoluminescence", Acta Materialia 55, 5039-5044 (2007).
• C.Y. To, L.Y. Cheung, Y.F. Li, K.C. Chung, D.H.C. Ong and D.H.L. Ng, "Synthesis of Ultra Thin α-alumina Nanobelts from Aluminum Powder by Chemical Vapor Deposition", Journal of the European Ceramic Society 27, 2629-2634 (2007).
• J.C. Yu, Z. Zheng, D.H.C. Ong, K.Y. Wong, S. Matsumoto and W.M. Lau, "Thermal Stability of Cubic Boron Nitride Films Deposited by Chemical Vapor Deposition", Journal of Physical Chemistry B 110, 21073-21076 (2006).
• Jie Yu, D.H.C. Ong, K.Y. Wong and W.M. Lau, "Morphology Dependence of Cathodoluminescence from Cubic Boron Nitride Films Deposited by Chemical Vapor Deposition", Journal of Applied Physics 99, 124915 (2006).
• Y.F. Mei, R.K.Y. Fu, G.G. Siu, K.W. Wong, P.K. Chu, R.S. Wang and D.H.C. Ong, "Nitrogen Binding Behavior in ZnO Films with Time-resolved Cathodoluminescence", Applied Surface Science 252, 8131-8134 (2006).
• W.H. Ni, J. An, C.W. Lai, D.H.C. Ong and J.B. Xu, "Emission enhancement from metallodielectric-capped ZnO films", Journal of Applied Physics 100, 026103 (2006).
• X.F. Wang, J.B. Xu, N. Ke, J.G. Yu, J. Wang, Q. Li, D.H.C. Ong and R. Zhang, "Imperfect Oriented Attachment: Direct Activation of High-Temperature Ferromagnetism in Diluted Magnetic Semiconductor Nanocrystals", Applied Physics Letters 88, 223108 (2006).
• Y.P. Leung, W.C.H. Choy, I. Markov, G.K.H. Pang, D.H.C. Ong and T.I. Yuk, "Synthesis of Wurtzite ZnSe Nanorings by Thermal Evaporation", Applied Physics Letters 88, 183110 (2006).