个人简介

Education B.S. Chemistry, Seoul National University, Korea, 1982 Ph.D. Chemistry, University of California, Los Angeles, USA, 1987 Research Experiences Research Fellow, University of California, Los Angeles, USA, 1987-1989 Senior Researcher, Korea Research Institute of Standards and Science, Korea, 1989-1992

研究领域

PHYS/NANO/MATER

Current Research Interests Wet chemical synthesis, thermal and microwave preparation, laser-induced fabrication, electrochemical integration, and device build-up method are mainly employed in our Nanostructures Fabrication Laboratory (NFL) to fabricate diversely sized and particularly shaped nanostructures of semiconductors (Al2O3, CdS, CdSe, CuO, InP, SiO2, TiO2, ZnO, ZnS, ZnSe), metals (Ag, Al, Au, Cu, Pt, Ti, Zn), and biomolecules (DNA, peptides). We also prepare composite nanosystems, having controlled functions, of semiconductors/semiconductors, semiconductors/molecules, semiconductors/CNTs, metals/metals, metals/semiconductors and metals/biomolecules. Some of the above fabricated nanostructures are directly employed in our research lab for applications such as optical and electronic devices, surface-plasmon photonics, photocatalysts, photoluminescent displays, dye (or quantum dot)-sensitized solar cells, and inorganic-organic hybrid solar cells. Time-resolved spectroscopic techniques of transient absorption and emission, as well as various static spectroscopic methods such as photoluminescence and surface-enhanced Raman scattering (SERS), are mainly employed to characterize nanostructured materials although other methods such as AFM, EDX, FESEM, TEM, HRTEM, HRXRD, XPS, electrophoresis, and electron diffraction are also used routinely.

近期论文

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Kim, H.-B.; Kim, H.-J.; Lee, W. I.; Jang, D.-J. "Hierarchical mesoporous anatase TiO2 nanostructures with efficient photocatalytic and photovoltaic performances" J. Mater. Chem. A, 2015, DOI: 10.1039/C5TA01681A. Kim, H.-B.; Jang, D.-J. "Morphological variation of anatase TiO2 crystals via forming titanium glycerolate precursors under microwave Irradiation" CrystEngComm, 2015, DOI: 10.1039/C5CE00257E. Choi, D.; Pyo, J.-Y.; Kim, Y.; Jang, D.-J. "Facile synthesis of composition-gradient Cd1-xZnxS quantum dots by cation exchange for controlled optical properties" J. Mater. Chem. C, 2015, 3, 3286-3293. Lee, H.; Kwak, J.-A.; Jang, D.-J. "Laser-induced fabrication of hollow platinum nanospheres for enhanced catalytic performances" J. Phys. Chem. C, 2014, 118, 22792-22798. Lee, D.; Jang, D.-J. "Charge-carrier relaxation dynamics of poly(3-hexylthiophene)-coated gold hybrid nanoparticles" Polymer, 2014, 55, 5469-5476. Kim, Y.; Jang, D.-J. "Facile-growth mechanism of wurtzite ZnS nanostructures showing intense ultraviolet luminescence" CrystEngComm, 2014, 16, 6989-6995. Kang, B.; Liu, H.; Jang, D.-J.; Lee, J. Y. "Electric field effect on the ground state proton transfer in the H-bonded HBDI complex: an implication of the green fluorescent protein" RSC Adv., 2014, 4, 26543-26551. Son, M.; Jeong, S.; Jang, D.-J. "Laser-induced nanowelding of linearly assembled and silica-coated gold nanorods to fabricate Au@SiO2 core-shell nanowires" J. Phys. Chem. C, 2014, 118, 5961-5967. Kim, Y.; Kim, H.-B.; Jang, D.-J. "Facile microwave fabrication of CdS nanobubbles with highly efficient photocatalytic performances" J. Mater. Chem. A, 2014, 2, 5791-5799. Lee, D; Kim, H.-B.; Yu, S.; Kim, H. J.; Lee, W.I.; Jang, D.-J. "“Facile fabrication of anatase TiO2 nanotube arrays having high photocatalytic and photovoltaic performances by anodization of titanium in mixed viscous solvents” J. Mater. Sci., 2014, 49, 3414-3422. Son, M.; Lee, J.; Jang, D.-J. "Light-treated silica-coated gold nanorods having highly enhanced catalytic performances and reusability" J. Mol. Catal. A: Chem., 2014, 385, 38-45. Lee, D; Kim, H.-B.; Jang, D.-J. "Enhanced photocatalytic performances of cocrystalline TiO2 nanoblossoms by the effect of nanoscale p-n junctions" J. Nanopart. Res., 2014, 16, 2187(1)-2187(11). Lee, J.; Han, K.; Jang, D.-J. "Silica-coated silver/gold composite nanoboxes having enhanced catalytic performances and reusability" Appl. Catal. A: General, 2014, 469, 380-386. Lee, H.; Kwak, J.-A.; Jang, D.-J. "Observation and characterization of the surface plasmon resonances of platinum nanoshells" Bull. Korean Chem. Soc., 2014, 35, 945-948. Kim, Y.; Jang, D.-J. "Direct observation of valence band splitting with room temperature photoluminescence of CdS hollow submicrospheres" Chem. Commun., 2013, 49, 8940-8942. Kim, Y.; Jang, D.-J. "Facile one-step hydrothermal fabrication of single-crystalline ZnS nanobelts with narrow band-edge luminescence" RSC Adv., 2013, 3, 16945-16948. Kang, B.; Karthikeyan, S.; Jang, D.-J.; Kim, H.; Lee, J. Y. "Concerted asynchronous proton transfer in H-bonding relax model: an implication of green fluorescent protein" Bull. Korean Chem. Soc., 2013, 34, 1961-1966. Kwak, J.-A.; Lee, D.; Jang, D.-J. "Facile fabrication of platinum nanobubbles having efficient catalytic degradation performances" Appl. Catal. B: Environ., 2013, 142-143, 323-328. Rawal, S. B.; Bera, S.; Lee, D.; Jang, D.-J.; Lee, W. I. "Design of visible-light photocatalysts by coupling of narrow bandgap semiconductors and TiO2 effect of their relative energy band positions in photocatalytic efficiency" Catal. Sci. Technol., 2013, 3, 1822-1830. Kim, J.-Y.; Lee, D.; Kim, H. J.; Lim, I.; Lee, W. I.; Jang, D.-J. "Annealing-free preparation of anatase TiO2 nanopopcorns on Ti foil via a hydrothermal process and their photocatalytic and photovoltaic applications" J. Mater. Chem. A, 2013, 1, 5982 - 5988.