Personal Details

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Dr. WONG Lai Mun, Nancy

Senior Specialist II


Structural Materials (STR) Department


2 Fusionopolis Way. Innovis, #08-03, Singapore 138634.

Research Details

  • Transparent conductive oxide growth

  • Heat rejection coatings

  • Thermochromic materials

  • Electrochromic materials

  • Oxide-based materials

  • Microstructure analysis by TEM, FIB, XRD, etc.

  • Thin film deposition (Physical vapor deposition) by pulsed laser deposition (PLD), magnetron sputtering, thermal evaporation, ebeam evaporation
  • Characterize thin films and nanomaterials with TEM, STEM, FIB, microtome, SEM, AFM, FTIR, Variable angle spectroscopic ellipsometry (VASE), IR-VASE   
  • Sample preparation for TEM
  • Cleanroom micro/nanofabrication

  • 2004-2006     Fabrication and Characterization of high k dielectrics gate devices
  • 2008-2010     Epitaxial ZnO film growth by PVD
  • 2008-2012     Oxide-based thin films
  • 2011-2013     Fabrication and Charterization of spectra selective films
  • 2011-2013     Insulator-metal Phase Transition in VO2 and Application in THz Modulators
  • 2012-2014     Interfaces and heterojunctions of metal oxide for electrochromic and energy  related applications
  • 2012-2015     Smart Multifunctional Coatings for Fenestrattion to Reduce Thermal Load of Buildings
  • 2013-2015     New Peening Process Performance Comparison Study for Aluminum Alloy 7050-T7451 and Titanium Alloy 6AI-4V M.A.
  • 2014-2016     Development of flexible, low cost and energy effificient electrochromic devices from layered double hydroxides
  • 2014-2016     Industry service project (Kibing)
  • 2015-2017     Fabrication of large size transparent conductive oxide films
  • 2015-2018     Fabrication, transfer and characterization of phase change VO2 films
  • 2016-2020     Pharos “Ubiquitous Electronics: The case for semiconductor 2D materials” programme
  • 2017-2018    Transparent Conductive Oxide Film Scale-up


2015 – present                Senior Specialist II, Institute of Materials Research and Engineering (Singapore)

2011 - 2015                      Senior Specialist I, Institute of Materials Research and Engineering (Singapore)

2006 - 2011                     Senior Research Officer, Institute of Materials Research and Engineering (Singapore)

2002 - 2006                      Failure Analysis Engineer(Head and Media), Maxtor Peripherals

2001Jan-2001 Jun          Agilent Technologies (Industrial Attachment)


2017-2019                        Member of 15th HSE committee

2016 - 2017                      Deputy Lab manager of Sensors and Transducers Program Lab

2016 - present                 Logistics Chair of 6th IMRE scientific research forum (ISRF)

2014 - 2016                      Member of Talent Development program

2008 - 2016                      Member of Crisis Communication Team (CCT)

2006 - present                Member of Outreach Team

  • Ph.D. (Electrical and computer engineering) National University of Singapore, 2013
  • M.Sc. (Electrical and computer engineering) National University of Singapore, 2006
  • B. Engineering (Hons), (Electrical and computer engineering), Minor in Technopreneurship, National University of Singapore, 2002

2016                   Best poster award in IUMRS-ICEM 2016 Singapore (International Union of Materials Research Societies - International Conference on Electronic Materials)

2008               A*STAR, Scientific Staff Development Award

  • 2007 - present Member of Materials Research Society, (MRS-Singapore)

  • W. H. Lu, J. X. Xiao, L. M. Wong, S. J. Wang, K. Y. Zeng, “Probing the ionic and electrochemical phenomena during resistive switching of NiO thin films”, ACS Applied Materials & Interfaces, 10, 9, 8092-8101 (2018) 

  • J. Y. Liu, S. Y. Chiam, J. S. Pan, L. M. Wong, Y. L. Sam Fong, Y. Ren, “Solution layer-by-layer uniform thin film dip coating of nickel hydroxide and metal incorporated nickel hydroxide and its electrochromic performance”, Solar Energy Materials and Solar Cells, 185, 318-324 (2018) 

  • Y. J. Jin, J. J. Linghu, J. W. Chai, C. S. Chua, L. M. Wong, Y. P. Feng, M. Yang and S. J.  Wang, “Defect Evolution Enhanced Visible-Light Photocatalytic Activity in Nitrogen Doped Anatase TiO2 Thin Films”, The Journal of Physical Chemistry C, 122,29, 1660-16606 (2018) 

  • Y. Li, L.M. Wong, C. -C. Yu, S. J. Wang, P.C. Su, “Nanoporous palladium anode for direct ethanol solid oxide fuel cells with nanoscale proton-conducting ceramic electrolyte”, Journal of Power sources, 340, 89-103 (2017). 

  • Y. Li, L.M. Wong, C. -C. Yu, S. J. Wang, P.C. Su, “Pulsed laser deposition of epitaxial MgO buffer layer for proton-conducting ceramic electrolytes”, Surface and Coatings Technology, 320,339-343 (2017) 

  • X. M. Yin, Q. X. Wang, L. Cao, C. S. Tang, X. Luo, Y. J. Zheng, L. M. Wong, S. J. Wang, S. Y. Quek, W. J. Zhang, A. Rusydi, Andrew T. S. Wee, “Tunable Inverted Gap in Monolayer Quasi-Metallic MoS2 Induced by Strong Charge-Lattice Coupling”, Nature communications, 8,486, (2017) 

  • Z. Zheng, J. W. Chai, H. M. Jin, J. S. Pan, L. M. Wong, M. Sullivan and S. J. Wang, “Oxidation of Single Crystalline Ti2AlN Thin Films between 300 and 900degC: A Perspective from Surface Analysis”, Journal of Materials Chemistry C, 120, 18520-18528 (2016). 

  • J. Y. Liu, L. M. Wong, Gurudayal, L. H. Wong, S. Y. Chiam, S. Y. L. Fong and Y. Ren, “Immobilization of Dye Pollutant on Iron Hydroxide Coated Substrates: Kinetics, Efficiency and Adsorption Mechanism”, Journal of Materials Chemistry A, 4, 13280-13288 (2016).

    *Highlighted in A*STAR Research, Nanowerk 25 Jan 2017 

  • W. H. Lu, L. M. Wong, S. J. Wang and K. Y. Zeng, “Correlation of electrochemical effects and resistive switching in TiO¬≠2 Thin Film”, Journal of The Electrochemical Society, 163, 5, E147-E153 (2016). 

  • J. G. Tao, J. W. Chai, X. Lu, L. M. Wong, T. I. Wong, J. S. Pan, Q. H. Xiong and S. J. Wang, “Growth of wafer-scale MoS2 monolayer by magnetron sputtering”, Nanoscale, 7, 2497-2503 (2015). *Highlighted in PhysOrg, Nanowerk, ScienceDaily Apr 2015. 

  • Z. Zhang, H. M. Jin, J. S. Pan, J. W. Chai, L. M. Wong, M. B. Sullivan and S. J. Wang, “Origin of Al deficient Ti2AlN and Al Vacancy Diffusion Pathway”, The Journal of Physical Chemistry C, 119, 29, 16606-16613 (2015). 

  • B. Dasgupta, Y. Ren, L. M. Wong, L. Y. Kong, E. S. Tok, W. K. Chim and S. Y. Chiam, “Detrimental Effects of Oxygen Vacancies in Electrochromic Molybdenum Oxide”, The Journal of Physical Chemistry C, 119, 19, 10592-10601 (2015). 

  • J. G. Tao, H. Pan, L. M. Wong, I. T. Wong, J. W. Chai, J. S. Pan and S. J. Wang, “Mechanism of insulator-to-metal transition in heavily Nb doped anatase TiO2”, Materials Research Express, 1, 1, 15911 (2014). 

  • X. L. Wen, Q. Zhang, J. W. Chai, L. M. Wong, S. J. Wang and Q. H. Xiong, “Near-Infrared Active metamaterials and their applications in tunable surface-enhanced Raman scattering”, Optics Express, 22, 3, 2989 (2014).

     Y.  Li, P. –C. Su, L. M. Wong and S. J. Wang, “Chemical Stability Study of Nanoscale Thin Film Yttria-doped Barium Cerate Electrolyte for Micro Solid Oxide Fuel Cells”, Journal of Power Sources, 268, 804 (2014). 

  • Z. Zhang, H. M. Hong, J. W. Chai, L. Shen, H. L. Seng, J. S. Pan, L. M. Wong, M. Sullivan and S. J. Wang, “Desorption of Al and Phase Transformation Upon Annealing of Ti2AlN MAX Thin Film in Ultra-high-vacuum”, The Journal of Physical Chemistry C, 118, 20927 (2014).

  • L. M. Wong, S. Y. Chiam, W. K. Chim, J. S. Pan and S. J. Wang, “Highly conducting and transparent Al-doped ZnO thin films deposited on PET substrates”, Thin Solid Films, 545, 285-290 (2013). 

  • C. Cao, J. Zhang, S. L. Dodsona, X. Wen, N. T. Dao, L. M. Wong, S. J. Wang, S. Li, A. T. Phan and Q. Xiong, “Metamaterials-based Label-free Nanosensor for Conformation and Affinity Biosensing”, ACS nano, 7, 9, 7583-7591 (2013).

  •  B. Dasgupta ,W. P. Goh, Z. E. Ooi,  L. M. Wong, C. Y. Jiang, E. S. Tok, J. S. Pan, J. Zhang and S. Y. Chiam, “Enhanced extration rates through gap states of molybdenum oxide anode buffer”,  Journal of Physical Chemistry C , 117, 18, 9206-9211 (2013). 

  • Z. Zhang, Y. Nie, L. Shen, J. W. Chai, J. S. Pan, L. M. Wong, M. Sullivan, H.  Jin and S. J. Wang, “Charge Distribution in the Epitaxial Ti2AlN Thin Films Grown on MgO (111)”, Journal of Physical Chemistry C, 117, 22, 11656-11662 (2013). 

  • S. Y. Chiam, B. Dasgupta, D. Soler, M. Y. Leung, H. Liu, Z. E. Ooi, L. M. Wong, C. Y. Jiang, K. L. Chang and J. Zhang, “Investigating the stability of defects in MoO3 and its role in organic solar cells”, Solar Energy Materials & Solar Cells 99, 197–203 (2012). 

  • R. J. Chen, D. H. Li, H. L. Hu, Y. Y. Zhao, Y. Wang, L. M. Wong, S. J. Wang, Y. Zhang, J. Hu, Z. X. Shen and Q. H Xiong, “Tailoring Optical Properties of Silicon Nanowires by Au Nanostructure Decorations: Enhanced Raman Scattering and Photodetection”, The Journal of Physical Chemistry C 116, 7, 4416-4422 (2012). 

  • J. Pan, M. I. B. Utama, Q. Zhang, X. F. Liu, B. Peng, L. M. Wong, T. C. Sum, S. J. Wang and Q. H. Xiong, “Composition-Tunable Vertically Aligned CdSxSe1−x Nanowire Arrays via van der Waals Epitaxy: Investigation of Optical Properties and Photocatalytic Behavior”, Advanced. Materials 24, 4151–4156 (2012). 

  • G. P. Li, R. Chen, D. L. Guo, L. M. Wong, S. J. Wang, H. D. Sun and T. Wu, “Nanoscale semiconductor–insulator–metal core/shell heterostructures: facile synthesis and light emission”, Nanoscale, 3, 3170-3177, (2011). 

  • X. Xu, B. Peng, D. Li, J. Zhang, L. M. Wong, Q. Zhang, S. J. Wang and Q. Xiong, “Flexible Vis-IR Metamaterials and Their Applications in Highly Sensitive Chemical and Biological Sensing”, Nano Letters, 11,8, 3232–3238, (2011). *Highlighted in Nature Publishing Group Asia Materials research highlight: “Photonics: Metamaterials on a stretch,” 5 September 2011. *Highlighted in Nanowerk: “Metamaterials on a stretch provide dynamic properties”, 5 September 2011. 

  • M. I. B. Utama, Z. Peng, R. Chen, B. Peng, X. Xu, Y. Dong, L. M. Wong, S. J. Wang, H. D. Sun, and Q. Xiong, “Vertically Aligned Cadmium Chalcogenide Nanowire Arrays on Muscovite Mica: A Demonstration of Epitaxial Growth Strategy”, Nano Letters, 11, 8, 3051–3057 (2011). *Highlighted as Nano Letters journal cover in August 2011 issue. 

  • L. M. Wong, S. Y. Chiam, J. Q. Huang, S. J. Wang, W. K. Chim and J. S. Pan, “Examining the transparency of gallium-doped zinc oxide for photovoltaic applications”, Solar Energy Materials & Solar Cells, 95, 2400–2406 (2011).

  • L. M. Wong, S. Y. Chiam, J. Q. Huang, S. J. Wang, J. S. Pan and W. K. Chim, “Role of oxygen for highly conducting and transparent gallium-doped zinc oxide electrode deposited at room temperature”, Appl. Phys. Lett. 98, 022106 (2011). *Highlighted as Key Scientific Articles in Renewable Energy Global Innovations, Nanowerk, Science Daily. 

  • Z. Peng, H. Hu, M. I. B. Utama, L. M. Wong, K. Ghosh, R. Chen, S. J. Wang, Z. Shen and Q. Xiong, “Heteroepitaxial Decoration of Ag Nanoparticles on Si Nanowires: A Case Study on Raman Scattering and Mapping”, Nano Letters,10,10, 3940–3947 (2010). 

  • L. M. Wong, S. Y. Chiam, J. Q. Huang, S. J. Wang, J. S. Pan, and W. K. Chim, “Growth of Cu2O on Ga-doped ZnO and their interface energy alignment for thin films solar cells”, Journal of Applied Physics, 108, 033702 (2010). 

  • Z. P. Wei, M. Arredondo, H. Y. Peng, Z. Zhang, D. L. Guo, G. Z. Xing, Y. F. Li, L. M. Wong and S. J. Wang, N. Valanoor and T. Wu, “A template and catalyst-free metal-etching-oxidation method to synthesize aligned nanowire arrays: NiO as an example”, ACS Nano, 4, 8, 4785–4791 (2010). 

  • Z. Zhang, L. M. Wong, H. X. Wang, Z. P. Wei, W. Zhou, S. J. Wang, and T. Wu, "Self-assembled in-plane growth of Mg2SiO4 nanowires on Si substrates catalyzed by Au nanoparticles”, Advanced Functional Materials, 20, 2511–2518 (2010). 

  • H. T. Wang, Z. Zhang, L. M. Wong, S. J Wang, Z. P. Wei, G. P. Li, G. Z. Xing, D. L Guo, D. D Wang and T. Wu, “Shape-Controlled Fabrication of Micro/Nanoscale Triangle, Square, Wire-like, and Hexagon Pits on Silicon Substrates Induced by Anisotropic Diffusion and Silicide Sublimation”, ACS Nano, 4, 5, 2901–2909 (2010). 

  • J. Q. Huang, W. K. Chim, S. J. Wang, S. Y. Chiam, and L. M. Wong, “From Germanium Nanowires to Germanium-Silicon Oxide Nanotubes : Influence of Germanium Tetraiodide Precursor”, Nano Letters, 9, 2, 583-589 (2009). *Highlighted in Nature Publishing Group Asia Materials research highlight: “Germanium nanostructures: Under control” 15 April 2009. 

  • Z. Zhang, J. Gao, L. M. Wong, J. G. Tao, L. Liao, Z. Zheng, G. Z. Xing, H. Y. Peng, T. Yu, Z. X. Shen, C. H. A. Huan, S. J. Wang and T. Wu, “Morphology-controlled synthesis and a comparative study of the physical properties of SnO2 nanostructures: from ultrathin nanowires to ultrawide nanobelts”, Nanotechnology, 20, 135605-135615 (2009). 

  • G. Z. Xing, J. B. Yi, J. G. Tao, T. Liu, L. M. Wong, Z. Zhang, G. P. Li, S. J. Wang, J. Ding, T. C. Sum, C. H. A. Huan, T. Wu, “Comparative Study of Room-Temperature Ferromagnetism in Cu-Doped ZnO Nanowires enhanced by Structural Inhomogeneity”, Advanced Materials, 20, 18, 3521-3527 (2008). 

  • Z. Zhang, L. M. Wong, H. G. Ong, X. J. Wang, J. L. Wang, S. J. Wang, H. Y. Chen, and Tom Wu, “Self-Assembled Shape- and Orientation-Controlled Synthesis of Nanoscale Cu3Si Triangles, Squares, and Wires”, Nano Letters. 8, 10, 3205–3210 (2008). 

  • Z. Zhang, J. B. Yi, J. Ding, L. M. Wong, H. L. Seng, S. J. Wang, J. G. Tao, G. P. Li, G. Z. Xing, T. C. Sum, C. H. A. Huan, and Tom Wu, “Cu-Doped ZnO Nanoneedles and Nanonails: Morphological Evolution and Physical Properties”, J. Phys. Chem. C, 112, 9579–9585 (2008).

2014 Multifunctional heat rejection coatings, US Patent Application 14/839,361

                Inventors: Wang Shijie, Wong Lai Mun


2013 Multilayer Structure, US Patent Application No. 13/893,024

                Inventors: Wang Shijie, Wong Lai Mun


2013 Multilayer Structure, Singapore Patent Application No. 201303692-6

                Inventors: Wang Shijie, Wong Lai Mun


2012        A method of improving the transparency and conductivity of transparent conducting oxide for various

                applications, Singapore Patent Application No.: 201203481-5

                Inventors: Wang Shijie, Wong Lai Mun


2011       Method to fabricate highly conducting and transparent zinc oxide at room temperature, Singapore

               Patent Application No.: 201105713-0

                Inventors: Wang Shijie, Wong Lai Mun, Chiam Sing Yang

Last updated on : 23 Nov 2018 11:08 AM