Research Highlights

  1. Design, fabricate and characterize novel nanocomposite materials to discover new physical phenomena. (Highlight by Material Research Bulletin)：
  • Current and Strain-Induced Spin Polarization in InGaN/GaN Superlattices, Phys. Rev. Lett., 98, 136403 (2007)
  • Anomalous optical properties of InN nanobelts: evidence of surface band bending and photoelastic effects, Adv. Mater., 19, 24, 4524-4529 (2007)
  • Enhancement of band-edge emission induced by defect transition in the composite of ZnO nanorods and CdSe/ZnS quantum dots, Opt. Lett., 33, 6, 569-571 (2008)
  • Tunable emission based on the composite of Au nanoparticles and CdSe quantum dots deposited on elastomeric film, Appl. Phys. Lett., 94, 7, 071906 (2009)
  • Enhancement of random lasing through fluorescence resonance energy transfer and light scattering mediated by nanoparticles”, Appl. Phys. Lett. 97, 191104 (2010)
  • Magnetically tunable surface plasmon resonance based on a composite consisting of noble metal nanoparticles and a ferromagnetic thin film”, Optics letters 36, 4, 514-516 (2011)
  1. Demonstrate the unique properties of nanomaterials embedded in liquid crystal devies. (Selected as research news in Photonic Spectra, Highlight by Nature Material Asia)：
  • CdS nanorods imbedded in liquid crystal cells for smart optoelectronic devices, Nano Lett., 7, 1908 (2007)
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  • Liquid crystal cells with built-in CdSe nanotubes for chromogenic smart emission devices, Opt. Express, 16,2, 671-678 (2008)
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  • Electrical manipulation of magnetic anisotropy in the composite of liquid crystals and ferromagnetic nanorods, Appl. Phys. Lett. 93, 1, 013108 (2008)
  • Color-Tunable Light-Emitting Device Based on the Mixture of CdSe Nanorods and Dots Embedded in Liquid-Crystal Cells, Journal of Physical Chemistry C, 114, 17, 7995–7998 (2010)
  • Tunable coupling between exciton and surface plasmon in liquid crystal devices consisting of Au nanoparticles and CdSe quantum dots, Applied Physics Letters, 98, 261918 (2011)
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  1. Design and synthesize semiconductor nanoscale devices with novel optoelectronic properties and high efficiency. (Selected in the review article of progress in material science)：
  • Electroluminescence from ZnO/Si-nanotips light emitting diodes, Nano Lett., 9 (5), pp 1839–1843 (2009)
  • Double side electroluminescence from p-NiO/n-ZnO nanowire heterojunctions, Appl. Phys. Lett., 95, 131117(2009)
  • Selective Angle Electroluminescence of Light-Emitting Diodes based on Nanostructured ZnO/GaN Heterojunctions, Advanced Functional Materials, 19, 3471-3475(2009)
  • Direct evidence of type II band alignment in nanoscale P3HT/CdSe heterostructures, Nanotechnology 22, 065202 (2011)
  • MOS photodetectors based on Au-nanorod doped graphene electrodes, Nanotechnology, 22, 305201 (2011)
  1. Demonstrate the large magnetoelectric effect at room temperature arising from the composites consisting of nanoscale semiconductors and magnetic materials. (Highlight in Nanowerk and Virtual Journal of Nanoscale Science and Technology)：
  • Nanolithography made from water based spin-coatable LSMO resist, Nanotechnology, 17, 4399 (2006)
  • Electrical manipulation of magnetic anisotropy in the composite of liquid crystals and ferromagnetic nanorods, Appl. Phys. Lett. 93, 1, 013108 (2008)
  • The Magnetoelectric Effect in Ni-Fe Alloy/ZnO Nanorod Array Composites, Nanotechnology, 19, 48, 485709 (2008)
  • Nanopatterned optical and magnetic La0.6Ca0.4MnO3 arrays : Synthesis, fabrication, and properties, Journal of Materials Research, 24, 394-403 (2009)
  • Optical detection of magnetoelectric effect in the composite consisting of InGaN/GaN multiple quantum wells and FeCo thin film, Appl. Phys. Lett., 98, 131913 (2011)
  • Magnetic field modulation of photonic bandgap on FeCo/NiO half-shell array, Optics letters, 36, 2563 (2011)
  1. Design, fabricate and explore high efficiency solar cells. (Highlight in Nanoscale Science and Technology Network, Top3% most read paper published by IOP)：
  • Nanostructured polymer blends (P3HT/PMMA): Inorganic titania hybrid photovoltaic devices, Solar Energy Materials and solar cells, 93, 961-965(2009)
  • Effects of cathode buffer layers on the efficiency of bulk-heterojunction solar cells, Applied Physics Letters, 96, 263506 (2010)
  • Efficient Light Harvesting by Photon Downconversion and Light Trapping in Hybrid ZnS Nanoparticles/Si Nanotips Solar Cells, ACS Nano 4, 10, 5849–5854 (2010)
  • The effect of C60 on the ZnO-nanorod surface in organic–inorganic hybrid photovoltaics, Solar Energy Materials & Solar Cells 95, 2, 740-744 (2011)
  • Increased photocurrent in bulk-heterojunction solar cells mediated by FeS2 nanocrystals, Solar Energy Materials and Solar Cells, 95, 4, 1107- 1110 (2011)
  1. Improve and develop experimental techniques to explore new physical phenomena. (Top 20 most read papers published in Appl. Phys. Lett.)：
  • Anomalous optical properties of InN nanobelts: evidence of surface band bending and photoelastic effects, Adv. Mater., 19, 24, 4524-4529 (2007)
  • Optical detection of deoxyribonucleic acid hybridization with InGaN/GaN multiple quantum wells, Appl. Phys. Lett. 92, 26, 261910 (2008)
  • Size-dependent photoelastic effect in ZnO nanorods, Appl. Phys. Lett., 94, 021908 (2009)
  • Early development of cutaneous cancer revealed by intravital nonlinear optical microscopy, Appl. Phys. Lett. 97, 113702 (2010)