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College of Science  ·  Department of Chemistry

Dr. Alex C Y WONG

PhD (HK)

Associate Professor of Department of Chemistry

Dr. Alex C Y WONG

Contact Information

Office: YEUNG-G6631
Phone: +852 3442-6831
Fax: +852 3442-0522
Email: acywong@cityu.edu.hk
Web: Personal Homepage
ORCID ID: 0000-0003-4780-480X
Scopus
Author ID:		 7404954160

Research Interests

  • Synthesis and Application of Nano Materials
  • Inorganic and Organometallic Chemistry
  • Spectroscopy

Dr. Chun-Yuen Wong (Alex) received his B.Sc. in 2000 and Ph.D. in 2005 from The University of Hong Kong. He was a Croucher Foundation Postdoctoral Fellow at Harvard University from 2005 to 2006. He joined City University of Hong Kong in November 2006. His current research interests include

(1) probing the metal–carbon bonding interactions in organometallic complexes through spectroscopic and theoretical means in order to provide insight on the design of functional organometallic complexes;

(2) designing metal/semiconductor hybrid nanostructures for photonic application.

 

Publications

  • Xie, J.; Man, W.-L.; Wong, C.-Y.; Chang, X.; Che, C.-M.; Lau, T.-C. “Four-Electron Oxidation of Phenols to p-Benzoquinone Imines by a (Salen)ruthenium(VI) Nitrido Complex”, J. Am. Chem. Soc. 2016, 138, 5817-5820.
  • Wang, M.; Mao, Z.; Kang, T.-S.; Wong, C.-Y.; Mergny, J.-L.; Leung, C.-H.; Ma, D.-L. “Conjugating a groove-binding motif to an Ir(III) complex for the enhancement of G-quadruplex probe behavior”, Chem. Sci. 2016, 7, 2516-2523.
  • Chung, L.-H.; Lo, H.-S.; Ng, S.-W.; Ma, D.-L.; Leung, C.-H.; Wong, C.-Y. “Luminescent Iridium(III) Complexes Supported by N-Heterocyclic Carbene-based C^C^C-Pincer Ligands and Aromatic Diimines”, Sci. Rep. 2015, 5, 15394.
  • Cheung, H.-Y.; Yip, S.; Han, N.; Dong, G.; Fang, M.; Yang, Z.-x.; Wang, F.; Lin, H.; Wong, C.-Y.; Ho, J. C. “Modulating Electrical Properties of InAs Nanowires via Molecular Monolayers”, ACS Nano 2015, 9, 7545–7552.
  • Wong, C.-Y.; Chung, L.-H.; Lu, L.; Wang, M.; He, B.; Liu, L.-J.; Leung, C.-H.; Ma, D.-L. “Dual Inhibition and Monitoring of Beta-Amyloid Fibrillation by a Luminescent Iridium(III) Complex”, Curr. Alzheimer Res. 2015, 12, 439–444.
  • Dong, G.; Fang, M.; Wang, H.; Yip, S.; Cheung, H.-Y.; Wang, F.; Wong, C.-Y.; Chu, S. T.; Ho, J. C. “Insight into the electrochemical activation of carbon-based cathodes for hydrogen evolution reaction”, J. Mater. Chem. A 2015, 3, 13080–13086. (inside back cover)
  • Yeung, C.-F.; Chung, L.-H.; Lo, H.-S.; Chiu, C.-H.; Cai, J.; Wong, C.-Y. “Isolation of Ruthenium–Indoline and −Indole Zwitterion Complexes: Insight into the Metal-Induced Cyclization of Aniline-Tethered Alkynes and Strategy to Lower the Activation Barrier of Metal−Vinylidene Formation”, Organometallics 2015, 34, 1963–1968.
  • Tsui, W.-K.; Chung, L.-H.; Tsang, W.-H.; Yeung, C.-F.; Chiu, C.-H.; Lo, H.-S.; Wong, C.-Y. “Synthesis, Spectroscopic and Theoretical Studies of Ruthenafuran and Osmafuran Prepared by Activation of Ynone in Alcohol”, Organometallics 2015, 34, 1005–1012. (front cover)
  • Tsui, W.-K.; Chung, L.-H.; Wong, M. M.-K.; Tsang, W.-H.; Lo, H.-S.; Liu, Y.; Leung, C.-H.; Ma, D.-L.; Chiu, S.-K.; Wong, C.-Y. “Luminescent Ruthenium(II) Complex Bearing Bipyridine and N-Heterocyclic Carbene-based C^N^C Pincer Ligand for Live-Cell Imaging of Endocytosis”, Sci. Rep. 2015, 5, 9070.
  • Lu, L.; Wang, M.; Liu, L.-J.; Wong, C.-Y.; Leung, C.-H.; Ma, D.-L. “A luminescence switch-on probe for terminal deoxynucleotidyl transferase (TdT) activity detection by using an iridium(III)-based i-motif probe”, Chem. Commun. 2015, 51, 9953–9956.
  • Leung, C.-H.; Liu, L.-J.; Lu, L.; He, B.; Kwong, D. W. J.; Wong, C.-Y.; Ma, D.-L. “A metal-based tumour necrosis factor-alpha converting enzyme inhibitor”, Chem. Commun. 2015, 51, 3973–3976. (front cover)
  • Yang, Z.-x.; Han, N.; Fang, M.; Lin, H.; Cheung, H.-Y.; Yip, S.; Wang, E.-J.; Hung, T.; Wong, C.-Y.; Ho. J. C. “Surfactant-assisted chemical vapour deposition of high-performance small-diameter GaSb nanowires”, Nat. Commun. 2014, 5, 5249.
  • Wong, C.-Y.; Chung, L.-H.; Lin, S.; Chan, D. S.-H.; Leung, C.-H.; Ma, D.-L. “A Ruthenium(II) Complex Supported by Trithiacyclononane and Aromatic Diimine Ligand as Luminescent Switch-On Probe for Biomolecule Detection and Protein Staining”, Sci. Rep. 2014, 4, 7136.
  • Fang, M.; Lin, H.; Cheung, H.-Y.; Xiu, F.; Shen, L.; Yip, S.; Pun, E. Y.-B.; Wong, C.-Y.; Ho, J. C. “Polymer-Confined Colloidal Monolayer: A Reusable Soft Photomask for Rapid Wafer-Scale Nanopatterning”, ACS Appl. Mater. Interfaces 2014, 6, 20837–20841.
  • Lin, H.; Fang, M.; Cheung, H.-Y.; Xiu, F.; Yip, S.; Wong, C.-Y.; Ho. J. C. “Hierarchical silicon nanostructured arrays via metal-assisted chemical etching”, RSC Adv. 2014, 4, 50081–50085.
  • Fang, M.; Lin, H.; Cheung, H.-Y.; Yip, S.; Xiu, F.; Wong, C.-Y.; Ho, J. C. “Optical Nanoscale Patterning Through Surface-Textured Polymer Films”, Adv. Opt. Mater. 2014, 2, 855–860. (frontispiece cover)
  • Liu, L.-J.; Lin, S.; Chan, D. S. H.; Vong, C. T.; Hoi, P. M.; Wong, C.-Y.; Ma, D.-L.; Leung, C.-H. “A rhodium(III) complex inhibits LPS-induced nitric oxide production and angiogenic activity in cellulo”, J. Inorg. Biochem. 2014, 140, 23–28.
  • Ma, D.-L.; He, H.-Z.; Zhong, H.-J.; Lin, S.; Chan, D. S.-H.; Wang, L.; Lee, S. M.-Y.; Leung, C.-H.; Wong, C.-Y. “Visualization of Zn2+ Ions in Live Zebrafish Using a Luminescent Iridium(III) Chemosensor”, ACS Appl. Mater. Interfaces 2014, 6, 14008–14015.
  • Chan, S.-C.; England, J.; Wieghardt, K.; Wong, C.-Y. “Trapping of the putative 1,2-dinitrosoarene intermediate of benzofuroxan tautomerization by coordination at ruthenium and exploration of its redox non-innocence”, Chem. Sci. 2014, 5, 3883–3887.
  • Chung, L.-H.; Yeung, C.-F.; Ma, D.-L.; Leung, C.-H.; Wong, C.-Y. “Metal–Indolizine Zwitterion Complexes as a New Class of Organometallic Material: a Spectroscopic and Theoretical Investigation”, Organometallics 2014, 33, 3443–3452.
  • Ma, D.-L.; He, H.-Z.; Chan, D. S.-H.; Wong, C.-Y.; Leung, C.-H. “A Colorimetric and Luminescent Dual-Modal Assay for Cu(II) Ion Detection Using an Iridiun(III) Complex”, PLoS One 2014, 9, e99930.
  • Cheung, H.-Y.; Lin, H.; Xiu, F.; Wang, F.; Yip, S.; Ho, J. C.; Wong, C.-Y. “Mechanistic Characteristics of Metal-Assisted Chemical Etching in GaAs”, J. Phys. Chem. C 2014, 118, 6903–6908.
  • Lin, H.; Xiu, F.; Fang, M.; Yip, S.; Cheung, H.-Y.; Wang, F.; Han, N.; Chan, K. S.; Wong, C.-Y.; Ho, J. C. “Rational Design of Inverted Nanopencil Arrays for Cost-Effective, Broadband, and Omnidirectional Light Harvesting”, ACS Nano 2014, 8, 3752–3760.
  • Yang, Z.-x; Wang, F.; Han, N.; Lin, H.; Cheung, H.-Y.; Fang, M. Yip, S.; Hung, T.; Wong, C.-Y.; Ho, J. C. “Crystalline GaSb Nanowires Synthesized on Amorphous Substrates: From the Formation Mechanism to p-Channel Transistor Applications”, ACS Appl. Mater. Interfaces 2013, 5, 10946–10952.
  • Yang, Z.-x.; Han, N.; Wang, F.; Cheung, H.-Y.; Shi, X.; Yip, S.; Hung, T.; Lee, M. H.; Wong, C.-Y.; Ho, J. C. “Carbon doping of InSb nanowires for high-performance p-channel field-effect-transistors”, Nanoscale 2013, 5, 9671–9676.
  • Lin, H.; Cheung, H.-Y.; Xiu, F.; Wang, F.; Yip, S.; Han, N.; Hung, T.; Zhou, J.; Ho, J. C.; Wong, C.-Y. “Developing controllable anisotropic wet etching to achieve silicon nanorods, nanopencils and nanocones for efficient photon trapping”, J. Mater. Chem. A 2013, 1, 9942–9946.
  • Chung, L.-H.; Wong, C.-Y. “Isolation of Ruthenium–Indolizine Complexes: Insight into the Metal-Induced Cycloisomerization of Propargylic Pyridines”, Organometallics 2013, 32, 3583–3586.
  • Chung, L.-H.; Cho, K.-S.; England, J.; Chan, S.-C.; Wieghardt, K.; Wong, C.-Y. “Ruthenium(II) and Osmium(II) Complexes Bearing Bipyridine and the N-Heterocyclic Carbene-Based C^N^C Pincer Ligand: An Experimental and Density Functional Theory Study”, Inorg. Chem. 2013, 52, 9885–9896.
    (one of the top 20 most downloaded Inorg. Chem. articles in August 2013)
  • Nguyen, M.-H.; Wong, C.-Y.; Yip, J. H. K. “Ligand Perturbations on Fluorescence of Dinuclear Platinum Complexes of 5,12-Diethynyltetracene: A Spectroscopic and Computational Study”, Organometallics 2013, 32, 1620–1629.
  • Chan, S.-C.; England, J.; Lee, W.-C.; Wieghardt, K.; Wong, C.-Y. “Noninnocent Behavior of Nitrosoarene–Pyridine Hybrid Ligands: Ruthenium Complexes Bearing a 2-(2-Nitrosoaryl)Pyridine Monoanion Radical”, ChemPlusChem 2013, 78, 214–217. (one of the most accessed ChemPlusChem articles in 5/2013 and 6/2013)
  • Ma, D.-L.; Zhong, H.-J.; Fu, W.-C.; Chan, D. S.-H.; Kwan, H.-Y.; Fong, W.-F.; Chung, L.-H.; Wong, C.-Y.; Leung, C.-H. “Phosphorescent Imaging of Living Cells Using a Cyclometalated Iridium(III) Complex”, PLoS One 2013, 8, e55751.
  • Chung, L.-H.; Chan, S.-C.; Lee, W.-C.; Wong, C.-Y. “Emissive Osmium(II) Complexes Supported by N-Heterocyclic Carbene-based C^C^C-Pincer Ligands and Aromatic Diimines”, Inorg. Chem. 2012, 51, 8693–8703. (one of the top 20 most downloaded Inorg. Chem. articles in August 2012)
  • Leung, C.-H.; Zhong, H.-J.; Yang, H.; Cheng, Z.; Chan, D. S.-H.; Ma, V. P.-Y.; Abagyan, R.; Wong, C.-Y.; Ma, D.-L. “A Metal-Based Inhibitor of Tumor Necrosis Factor-α”, Angew. Chem. Int. Ed. 2012, 51, 9010–9014. (frontispiece cover)
  • Yeung, H.-L.; Sham, K.-C.; Wong, W.-Y.; Wong, C.-Y.; Kwong, H.-L. “Helical Complexes of Chiral Quaterpyridines – Mononuclear CuII and Dinuclear CuI Complexes”, Eur. J. Inorg. Chem. 2011, 5112–5124.
  • Lin, S.; Wong, M. M.-K.; Pat, P.-K.; Wong, C.-Y.; Chiu, S.-K.; Pun, E. Y.-B. “Cadmium Sulfide Silver Nanoplate Hybrid Structure: Synthesis and Fluorescence Enhancement”, J. Phys. Chem. C 2011, 115, 21604–21609.
  • Chan, S.-C.; Cheung, H.-Y.; Wong, C.-Y. “Ruthenium Complexes Containing 2-(2-Nitrosoaryl)pyridine: Structural, Spectroscopic, and Theoretical Studies”, Inorg. Chem. 2011, 50, 11636–11643.
  • Tsang, K. C.; Wong, C.-Y.; Pun, E. Y. B. “Optical Amplification in Eu3+-Doped DNA-Based Biopolymer”, IEEE Photo. Tech. Lett. 2011, 23, 1106–1108.
  • Leung, C.-H.; Chan, D. S.-H.; Kwan, M. H.-T.; Cheng, Z.; Wong, C.-Y.; Zhu, G.-Y.; Fong, W.-F.; Ma, D.-L. “Structure-Based Repurposing of FDA-Approved Drugs as TNF-α Inhibitors”, ChemMedChem 2011, 6, 765–768.
  • Chan, D. S.-H.; Yang, H.; Kwan, M. H.-T.; Cheng, Z.; Lee, P.; Bai, L.-P.; Jiang, Z.-H.; Wong, C.-Y.; Fong, W.-F.; Leung, C.-H.; Ma, D.-L. “Structure-based optimization of FDA-approved drug methylene blue as a c-myc G-quadruplex DNA stabilizer”, Biochimie 2011, 93, 1055–1064.
  • Chan, S.-C.; Pat, P.-K.; Lau, T.-C.; Wong, C.-Y. “Facile Direct Insertion of Nitrosonium Ion (NO+) into a Ruthenium–Aryl Bond”, Organometallics 2011, 30, 1311–1314. (webpage highlight slide)
  • Wong, C.-Y.; Lai, L.-M.; Chan, S.-C.; Tai, L.-H. “Photophysical and Theoretical Studies of Ruthenium(II)–Acetylide and –Cyanide Complexes with Aromatic Diimine and Trithiacyclononane”, Organometallics 2010, 29, 6259–6266.
  • Zhou, J.; Wang, Z. Y.; Yang, X.; Wong, C.-Y.; Pun, E. Y. B. “Fabrication of low-loss, single-mode-channel waveguide with DNA-CTMA biopolymer by multistep processing technology”, Opt. Lett. 2010, 35, 1512–1514.
  • Tsang, K. C.; Wong, C.-Y.; Pun, E. Y. B. “Eu3+-Doped Planar Optical Polymer Waveguide Amplifiers”, IEEE Photo. Tech. Lett. 2010, 22, 1024–1026.
  • Tsang, K. C.; Wong, C.-Y.; Pun, E. Y. B. “High-gain optical amplification in Eu3+-doped polymer”, Opt. Lett. 2010, 35, 520–522.
  • Wong, C.-Y.; Lai, L.-M.; Pat, P.-K.; Chung, L.-H. “Osmium Complexes Containing N-Heterocyclic Carbene-Based C,N,C-Pincer Ligands”, Organometallics 2010, 29, 2533–2539.
  • Lin, S.; Wong, C.-Y.; Pun, E. Y.-B.; Song, F. “The role of metal film electron density in a surface plasmon polariton assisted light emitter”, Nanotechnology 2010, 21, 055203.
  • Wong, C.-Y.; Lai, L.-M.; Pat, P.-K. “Ruthenium Acetylide Complexes Supported by Trithiacyclononane and Aromatic Diimine: Structural, Spectroscopic, and Theoretical Studies”, Organometallics 2009, 28, 5656–5660.
  • Wong, C.-Y.; Lai, L.-M.; Leung, S.-L.; Roy V. A. L. “Trends for the crystallinity, optical and electrical properties of post-thermal annealed ZnO nanorods”, Mater. Sci. Eng. B 2009, 164, 80–84.
  • Leung, C.-F.; Wong, C.-Y.; Ko, C.-C.; Yuen, M.-C.; Wong, W.-T.; Wong, W.-Y.; Lau, T.-C. “8-Quinolinolate complexes of ruthenium(II) and (III)”, Inorg. Chim. Acta 2009, 362, 1149–1157.
  • Yeung, H.-L.; Wong, W.-Y.; Wong, C.-Y.; Kwong, H.-L. “Stereoselective Formation of Helical Binuclear Metal Complexes: Synthesis, Characterization, and Crystal Structures of Chiral Bis-Rhenium(I) Quaterpyridine Complexes”, Inorg. Chem. 2009, 48, 4108–4117.
  • Wong, C.-Y.; Lai, L.-M.; Leung, H.-F.; Wong S.-H. “Ruthenium(II) Isocyanide Complexes Supported by Triazacyclononane / Trithiacyclononane and Aromatic Diimine: Structural, Spectroscopic, and Theoretical Studies”, Organometallics 2009, 28, 3537–3545.
  • Wong, C.-Y.; Lai, L.-M.; Leung, S.-L.; Roy, V. A. L.; Pun, E. Y.-B. “Ambipolar charge transport and electroluminescence properties of ZnO nanorods”, Appl. Phys. Lett. 2008, 93, 023502/1–023502/3 (selected for the July 28, 2008 issue of Virtual Journal of Nanoscale Science & Technology).
  • Wong, C.-Y.; Lai, L.-M.; Lam, C.-Y.; Zhu, N. “Ruthenium Carbene and Allenylidene Complexes Supported by the Tertiary Amine–Aromatic Diimine Ligand Set: Structural, Spectroscopic, and Theoretical Studies”, Organometallics 2008, 27, 5806–5814.
  • Wong, C.-Y.; Lee, F.-W.; Che, C.-M.; Cheng, Y. F.; Phillips, D. L.; Zhu, N. “Spectroscopic Studies and Structures of trans-Ruthenium(II) and Ruthenium(III) Bis(cyanide) Complexes Supported by a Tetradentate Macrocyclic Tertiary Amine Ligand”, Inorg. Chem. 2008, 47, 10308–10316.
  • Wong, C.-Y.; Man, W.-L.; Wang, C.; Kwong, H.-L.; Wong, W.-Y.; Lau, T.-C. “Proton-Bridged Dinuclear (salen)Ru Carbene Complexes: Synthesis, Structure, and Reactivity of {[(salchda)Ru=C(OR)(CH=CPh2)]2•H}+”, Organometallics 2008, 27, 324–326.
  • Lam, W. W. Y.; Man, W.-L.; Leung, C.-F.; Wong, C.-Y.; Lau, T.-C. “Solvent Effects on the Oxidation of RuIV=O to O=RuVI=O by MnO4–. Hydrogen-Atom versus Oxygen-Atom Transfer”, J. Am. Chem. Soc. 2007, 129, 13646–13652.
  • Wong, C.-Y.; Tong, G. S. M.; Che, C.-M.; Zhu, N. “A Bis(pyridyl)allenylidene Complex of Ruthenium: A “Molecular Clip” That Displays Intense Near-Infrared Absorption upon Coordination to a Ruthenium(II) Center”, Angew. Chem. Int. Ed. 2006, 45, 2694–2698. (frontispiece cover)
  • Wong, C.-Y.; Che, C.-M.; Chan, M. C. W.; Han, J.; Leung, K.-H.; Phillips, D. L.; Wong, K.-Y.; Zhu, N. “Probing Ruthenium-Acetylide Bonding Interactions: Synthesis, Electrochemistry, and Spectroscopic Studies of Acetylide-Ruthenium Complexes Supported by Tetradentate Macrocyclic Tertiary Amine and Diphosphine Ligands”, J. Am. Chem. Soc. 2005, 127, 13997–14007.
  • Wong, C.-Y.; Chan, M. C. W.; Zhu, N.; Che, C.-M. “Ruthenium(II) σ-Acetylide and Carbene Complexes Supported by the Terpyridine-Bipyridine Ligand Set: Structural, Spectroscopic, and Photochemical Studies”, Organometallics 2004, 23, 2263–2272.
  • Wong, C.-Y.; Che, C.-M.; Chan, M. C. W.; Leung, K.-H.; Phillips, D. L.; Zhu, N. “Probing the Ruthenium-Cumulene Bonding Interaction: Synthesis and Spectroscopic Studies of Vinylidene- and Allenylidene-Ruthenium Complexes Supported by Tetradentate Macrocyclic Tertiary Amine and Comparisons with Diphosphine Analogues of Ruthenium and Osmium”, WoJ. Am. Chem. Soc. 2004, 126, 2501–2514.