1. Solar Hydrogen Energy based on Engineered Nanostructures Photocatalyst for Photocatalysis and Photoelectrolysis System. US 61/513,071

2. Production of Solar Hydrogen Energy via Engineered Nanostructures Photocatalyst and Optimized System. S201105145-5

3. Method for Synthesizing Textured Single Crystal YGa-ZnO Transparent Conducting Oxides (TCO) Integrated with Extended Homojunction 3D Electrodes. US 61/668,087

4. Hydrogel Nanocomposite: Solar H2 Generator and Storage Media. US 61/875,196

5. Integrated Sensing and Catalytic Disinfectant of Smart Membrane. US 61/560,906

6. Metal Oxide-Organic Framework (MoOF) Microreactor Foam. US 62/233,675


Book/Book Chapters

1.  S. Agarwala and G. W. Ho, “Quasi-3D Architecture for Iron Oxide and Its Influence on Solar Cell Performance”.

Handbook of Functional Nanomaterials, 37-48. Part 1 Synthesis and modification. Nova Science Publishers, Ltd. New York, 2012.

2.  G. W. Ho, ”Semiconductor oxide nanostructures for field effect transistor applications”.

Encyclopedia of Nanoscience and Nanotechnology, American Scientific Publishers, 2011.

3. G. W. Ho, “Synthesis and characterization of metal oxide nanostructures for gas sensing applications”.

Metal oxide nanostructures and their applications, American Scientific Publishers, 2010.

4. J. Wang, W. L. Ong, L. Zhu, M. Gao, G. W. Ho “TiO2-based Heterogeneous Catalysis for Photocatalytic Hydrogen Generation and Photodegradation”. 

Sustainable Inorganic Chemistry, Wiley publisher, 2016.


Cover Images





Disclaimer: The PDF documents on this webpage are provided for personal purposes alone and are subjected to copyrights of the respective publishers.


102. Wang J., Lim Y-F, Ho G. W. “Manganese copper sulphide nanocomposites: structure tailoring and photo-/electrocatalytic hydrogen generation” ChemCatChem
101. Wang J., Zhu L., Dharan G., Ho G. W. “Electrodeposited Cobalt Phosphide Superstructures for Solar-driven Thermoelectrocatalytic Overall Water Splitting” Journal of Materials Chemistry A Themed collection of 2017 JMCA hot papers  
100. Yang M-Q, Dan J., Pennycook S. J., Lu X., Zhu H., Xu Q. H., Fan H. J.,  Ho G. W. “Ultrathin nickel boron oxide nanosheets vertically assembled on graphene: A new hybrid  2D materials for enhanced photo/electrocatalysis”  Materials Horizons, (2017)  
99. Gao M., Ng S. W. L., Chen L., Hong M., Ho G. W. “Self-regulating reversible photocatalytic-driven chromism of a cavity enhanced optical field TiO2/CuO nanocomposite”  Journal of Materials Chemistry A, 5, 10909 (2017). [PDF]Themed collection of 2017 JMCA hot papers  
98. Zhu L., Peh C. K. N., Zhu T., Lim Y-F, Ho G. W. “Bifunctional 2D-on-2D MoO3 nanobelt/Ni(OH)2 nanosheets for supercapacitor-driven electrochromic energy storage”  Journal of Materials Chemistry A, 5, 8343-8351 (2017). [PDF]Themed collection of 2017 JMCA hot papers
97. Yilmaz G., Yam K. M., Zhang C., Fan H. J., Ho G. W. “In situ transformation of MOFs into layered double hydroxide embedded metal sulphides for improved electrocatalytic and Supercapacitive Performance” Advanced Materials, 29, 1606814 (2017). [PDF]  
96. Ong W. L., Wong J. H. M., Ng S. W. L., Tan H. R., Lim Y-F, Ho G. W. “Simultaneous Activation-Exfoliation-Reassembly to Form Layered Carbon with Hierarchical Pores” ChemCatChem, 9, 2488 (2017). [PDF]  
95. Zhu L., Ong W. L., Lu X., Zeng K., Fan H. J. and Ho G. W. “Substrate Friendly Growth of Large-Sized Ni(OH)2 Nanosheets for Flexible Electrochromic Films” Small, 13, 1700084 (2017). [PDF]
94. Yilmaz G., Lu X. M. and Ho G. W. “Cross-linker Mediated Formation of Sulfur-functionalized V2O5/Graphene Aerogels and Their Enhanced Pseudocapacitive Performance” Nanoscale, 9, 802-811  (2017). [PDF]

Yang M-Q, Xu Y-J, Lu W, Zeng K, Zhu H, Xu Q-H, Ho G. W. “Self-surface charge exfoliation and electrostatic coordinated 2D hetero-layered hybrids” Nature Communications, 8, 14224  (2017). [PDF]

92. Lim W. Y., Lim Y.-F., Ho G. W. “Pseudomorphic-phase transformation of NiCo based ternary hierarchical 2D-1D nanostructures for enhanced electrocatalysis” Journal of Materials Chemistry A, 5, 919-924 (2017). [PDF]
91. Tan C. F., Azmansah S. A. B., Zhu H., Xu Q-H, Ho G. W. “Spontaneous Electroless Galvanic Cell Deposition of 3D Hierarchical and Interlaced S-M-S Heterostructures” Advanced Materials, 29, 1604417-1604417 (2017). [PDF]  
90. Zhu T., Zhu L., Wang J., Ho G. W. “NiCo2O4 Asymmetrical Yolk-Shell Structures with In-built Aperture and Supporting Framework for Enhanced Pseudocapacitive and Electrocatalytic Properties” ACS Applied Materials & Interfaces, 8, 32901–32909 (2016). [PDF]  
89. Zhu T., Zhu L.,Wang J., and Ho G. W.  “In-Situ Chemical Etching of Tunable 3D Ni3S2 Superstructures for Bifunctional Electrocatalytic for Overall Water Splitting” Journal of Materials Chemistry A, 4, 13916-13922 (2016). [PDF]  
88. Ong W. L., Ng S. W. L., Zhang C., Hong M. H., Ho G. W. “2D Hydrated Layered Ni(OH)2 Structure with Hollow TiO2 Nanocomposite Directed Chromogenic and Catalysis Capabilities” Journal of Materials Chemistry A, 4, 13307-13315 (2016).[PDF]  
87. Wang J., Tan C. F., Zhu T., Ho G. W. “Topotactic Consolidation of Monocrystalline CoZn Hydroxides Towards Advanced Oxygen Evolution Electrodes” Angewandte Chemie, 55, 10326–10330 (2016).  [PDF]  
86. Gao M., Peh K. N. C., Ho G. W. “Plasmonic Photothermic Directed Broadband Sunlight Harnessing for Seawater Catalysis and Desalination” Energy & Environmental Science, 9, 3151-3160 (2016). [PDF]  
85. Wang J., Zhu T., Ho G.W. “Nature-Inspired Design of Artificial Solar-to-fuel Conversion System Derived from Copper Phosphate Micro-flowers” ChemSusChem, 9, 1575–1578 (2016). Very Important Paper (VIP). [PDF]  
84. Lim F. J., Krishnamoorthy A., Ho G. W. “All-in-one solar cell: Stable, light-soaking free, solution processed and efficient diketopyrrolopyrrole based small molecule inverted organic solar cells” Solar Energy Materials and Solar Cells, 150,19-31 (2016). [PDF]  

Lim W. Y., Hong M.H., Ho G. W. “In situ photo-Assisted Deposition and Photocatalysis of ZnIn2S4/Transition Metal Chalcogenides for Enhanced Degradation and Hydrogen Evolution under Visible Light” Dalton Transaction, 45, 552-560 (2016). [PDF]

82. Wang J., Ho G. W. “Corrosion-Mediated Self-Assembly (CMSA): Direct Writing Towards Sculpturing of 3D Tunable Functional Nanostructures” Angewandte Chemie, 54, 15804-15808 (2015). [PDF]
81. Zhu T., Wang J., Ho G. W. “Self-supported yolk-shell nanocolloids towards high capacitance and excellent cycling performance” Nano Energy, 18, 273-282 (2015). [PDF]

Peh K. N. C., Gao M., Ho G. W. “Harvesting broadband absorption of solar spectrum for enhanced photocatalytic H2 generation” Journal of Materials Chemistry A, 3, 19360-19367 (2015). [PDF]

79. Zhu L., Tan C. F., Gao M., Ho G. W.  ”Design of metal oxide-organic framework (MoOF) foam microreactor; solar-induced direct pollutant degradation and hydrogen generation” Advanced Materials, 27, 7713–7719 (2015). [PDF]
78. Gao M., Zhu L., Ong W. L., Wang J., Ho. G. W. “Review: Structural Design of TiO2-based Photocatalyst for H2 Production and Degradation Applications” Catalysis Science & Technology, 5, 4703-4726 (2015). [PDF]
77. Tan C. F, Ong W. L., Ho G. W. “Self-biased hybrid piezoelectric-photoelectrochemical cell with photocatalytic functionalities” ACS Nano, 9, 7661-7670 (2015). [PDF]
76. Zhu T., Ang Z.Y., Ho G. W. “Self-assembly formation of NiCo2O4 superstructures with porous architectures for electrochemical capacitors” RSC Advances, 5, 53259 (2015). [PDF]
75. Zhu L., Hong M. H., Ho G. W. “Hierarchical assembly of SnO2/ZnO nanostructures for enhanced photocatalytic performance” Scientific Reports, 5, 11609 (2015). [PDF]
74. Xiao J., Ong W. L., Guo Z., Ho G. W., Zeng K. “Resistive switching and polarization reversal of hydrothermal method grown undoped zinc oxide nanorods by using scanning probe microscopy techniques” ACS Applied Materials & Interface, 7, 11412 (2015). [PDF]
73. Lim F. J., A. Krishnamoorthy, Ho G. W. “Device stability and light-soaking characteristics of high-efficiency benzodithiophene-thienothiophene copolymer based inverted organic solar cells with F-TiOx electron transport layer” ACS Applied Materials & Interface, 7, 12119 (2015). [PDF]
72. Ong W. L., Lim Y. F., Ong L. T. June, Ho G. W. “Room Temperature Sequential Ionic Deposition (SID) of Ag2S Nanoparticles on TiO2 Hierarchical Spheres for Enhanced Catalytic Efficiency” Journal of Materials Chemistry A, 3, 6509-6516 (2015). [PDF]
71. Zhu T., Ong W. L., Zhu L., Ho G. W. “TiO2 fibers supported FeOOH nanostructures as efficient visible light photocatalyst and room temperature sensor” Scientific Reports, 5, 10601 (2015.) [PDF]

Zhu T., Zhang C., Ho G. W. “In-situ dissolution-diffusion towards homogeneous multiphase Ag/Ag2S @ ZnS core-shell heterostructures for enhanced photocatalytic performance” Journal of Physical Chemistry C, 119, 1167-1675 (2015). [PDF]

69. Kevin M., Lim Y. R., Ho G. W. “Facile control of copper nanowire via the Maillard reaction using food chemistry for large scale transparent flexible conductors” Green Chemistry, 17, 1120-1126 (2015). [PDF]
68. Zhu T., Koo E. R., Ho G. W. “Shaped-controlled synthesis of porous NiCo2O4 with 1-3D hierarchical nanostructures for high-performance supercapacitors” RSC Advances, 5, 1697-1704 (2015). [PDF]
67. Zhu L., Hong M., Ho G. W. “Fabrication of wheat grain textured TiO2/CuO composite nanofibers for enhanced solar H2 generation and degradation performance” Nano Energy, 11, 28–37 (2015). [PDF]
66. Lim F. J., Set Y. T., Krishnamoorthy A, Ouyang J., Joachim L., Ho G. W. “Addressing the light-soaking issue in inverted organic solar cells using chemical bath deposited fluorinated TiOx electron transport layer” Journal of Materials Chemistry A, 3, 314-322 (2015). [PDF]
65. Luo F., Guan Y., Ong W.L., Du Z., Ho G. W., Hong M. (2014) “Enhancement of pulsed laser ablation in environmentally friendly liquid” Optics Express, 22, 23875-82. [PDF]
64. Guo N., Lu R, Liu S., Ho G. W. and Zhang C. (2014) “High Catalytic Activity of Au Clusters Supported on ZnO Nanosheets” Journal of Physical Chemistry C, 118, 21038–21041. [PDF]

Muhammad R., Lim S. H., Goh S. H., Law J. B. K., Saifullah M. S. M., Ho G. W., Yim E. K. F. (2014) “Sub-100 nm patterning of TiO2 film for the regulation of endothelial and smooth muscle cell functions” Biomaterials Science, 2, 1740 – 1749. [PDF]


Wang J., Lim Y-F., Ho G. W. (2014) “Vegetable-extracted carbon dots and their nanocomposites for enhanced photocatalytic H2 production”, RSC Advances, 4, 44117–44123. [PDF]

61. Wang J., Lim Y-F., Ho G. W. (2014) “Carbon-ensemble-manipulated ZnS Heterostructures for Enhanced Photocatalytic H2 Evolution”, Nanoscale, 6, 9673-9680. [PDF]
60. Gao M., Peh K. N. C., Pan Y., Xu Q-H., Ho G. W. (2014) “Fine Structural Tuning of Whereabout and Clustering of Metal-Metal Oxide Heterostructure for Optimal Photocatalytic Enhancement and Stability” Nanoscale, 6, 12655-12664 [PDF]
59. Ong W. L.,Yew K. W. Tan C. F., Tan T. K., Hong M. H., Ho G. W. (2014) “Highly Flexible Solution Processable Heterostructured Zinc Oxide Nanowires Mesh for Environmental Clean-up Applications”, RSC Advances, 4, 27481-27487. [PDF]
58. Zhu T., Peh K. N. C., Hong M. H., Ho G. W. (2014) “Outside-in Recrystallization of ZnS-Cu1.8S Hollow Spheres with Interdispersed Lattices for Enhanced Visible Light Solar Hydrogen Generation”, Chemistry-A European Journal, 20, 11505 – 11510 [PDF]
57. Yang J., Luo F. F., Kao T. S., Li X., Ho G. W., Teng J. H. , Luo X. G., Hong M.H (2014) “Design and Fabrication of Broadband Ultralow Reflectivity Black Si Surfaces by Laser Micro/nano Processing”, Light: Science & Applications, 3, 185. [PDF]
56. Ong W. L., Huang H., Xiao J.X., Zeng K. Y., Ho G. W. (2014) “Tuning of multifunctional Cu-doped ZnO films and nanowires for enhanced piezo/ferroelectric-like and gas/photoresponse properties” Nanoscale, 6, 1680-1690. [PDF]
55. Low Q. X., Ho G. W. (2014) “Facile structural tuning and compositing of iron oxide-graphene anode towards enhanced supacapacitive performance” Nano Energy, 5, 28-35. [PDF]
54. Wang J., Gao M., Ho G.W. (2014) “Bidentate-complexes-derived TiO2/carbon dots photocatalysts: in situ synthesis, versatile heterostructures, and enhanced H2 evolution” Journal of Materials Chemistry A, 2, 5703 – 5709. [PDF]
53. Ong W. L., Gao M. and Ho G. W. (2013) “Hybrid Organic PVDF–Inorganic M–rGO–TiO2 (M = Ag, Pt) Nanocomposites for Multifunctional Volatile Organic Compound Sensing and Photocatalytic Degradation–H2 Production” Nanoscale, 5, 11283-11290. [PDF]
52. Kevin, M., and Ho. G. W. (2013) “Transmission/Absorption Measurements for In Situ monitoring of Transparent Conducting Ga:ZnO Films Grown via Aqueous Methods” Journal of Materials Chemistry A, 1, 14239-14245. [PDF]
51. Lim S.H., Radha B., Chan J. Y., Saifullah M. S. M., Kulkarni G. U., Ho G. W. “Flexible Palladium-Based H2 Sensor with Fast Response and Low Leakage Detection fabricated using Nanoimprint Lithography”, ACS Applied Materials and Interfaces, 5, 7274-7281. [PDF] 51
50. Ong W. L., Ke C. M., Lim P., Kumar A., Zeng K. Y., Ho G. W. (2013) “Direct stamping and capillary flow patterning of solution processable piezoelectric polyvinylidene fluoride films”, Polymer, 54, 5330-5337. [PDF] 50
49. Gao M., Peh C. K. N., Ong W. L., Ho G. W. (2013) “Green chemistry synthesis of nanocomposite hydrogel with three-dimensional nano-mesopores for photocatalytic H2 production application”, RSC Advances 3, 13169-13177. [PDF]
48. Ong W. L., Natarajan S., Kloostra B., Ho G. W. (2013) “Metal nanoparticles loaded hierarchically assembled ZnO nanoflakes for enhanced photocatalytic performance”, Nanoscale, 5, 5568. [PDF]
47. Agarwala S., Ong W. L., and Ho G. W. (2013) “ Tailoring the porosity of 3D tin oxide nanostructures using urea for sensing and photovoltaic applications”, Science of Advance Materials, 5, 1418-1426.
46. Wong, T.J., Lim, F.J., Gao M., Lee G.H., Ho, G.W. (2013) “Photocatalytic H2 production of composite one-dimensional TiO2 nanostructures of different morphological structures and crystal phases with graphene”, Catalysis Science & Technology 3, pp. 1086-1093. [PDF]
45. Foo, W.J., Zhang, C., Ho, G.W. (2013). “Non-noble metal Cu-loaded TiO2 for enhanced photocatalytic H2 production”, Nanoscale 5 (2), pp. 759-764. [PDF]
44. Teoh, H.F., Tao, Y., Tok, E.S., Ho, G.W., Sow, C.H., (2012), “Direct laser-enabled graphene oxide–Reduced graphene oxide layered structures with micropatterning”, J. Appl. Phys. 112, 064309-1. [PDF]
43. Lim, F.J., Ananthanarayan, K., Luther, J., Ho, G.W. (2012). “Influence of a novel fluorosurfactant modified PEDOT:PSS hole transport layer on the performance of inverted organic solar cells”, Journal of Materials Chemistry 22, pp. 25057-25064. [PDF]
42. Kevin, M., Tho, W.H., Ho, G.W. (2012). “Transferability of solution processed epitaxial Ga:ZnO films; Tailored for gas sensor and transparent conducting oxide applications”, Journal of Materials Chemistry 22 (32), pp. 16442-16447. [PDF]
41. Ong, W.L., Low, Q.X., Huang, W., Van Kan, J.A., Ho, G.W. (2012). “Patterned growth of vertically-aligned ZnO nanorods on a flexible platform for feasible transparent and conformable electronics applications”, Journal of Materials Chemistry 22 (17), pp. 8518-8524. [PDF]
40. Kevin, M., Lee, G. H. and Ho, G.W. (2012). “Non-planar geometries of solution processable transparent conducting oxide: From film characterization to architectured electrodes”, Energy & Environmental Science 5, 7196. [PDF]
39. Agarwala, S. and Ho, G.W. (2012). “Self-ordering anodized nanotubes: Enhancing the performance by surface plasmon for dye-sensitized solar cell”, Journal of Solid State Chemistry 189, 101. [PDF]
38. Yang, B., Lee, C., Ho, G.W., Ong, W.L., Liu, J., Yang, C. (2012). “Modeling and experimental study of a low-frequency-vibration-based power generator using Zno nanowire arrays”, Journal of Microelectromechanical Systems 21 (4), art. no. 6177209, pp. 776-778. [PDF]
37. Ho, G.W., Chua, K.J., Siow, D.R. (2012). “Metal loaded WO3 particles for comparative studies of photocatalysis and electrolysis solar hydrogen production”, Chemical Engineering Journal 181-182 , pp. 661-666. [PDF]
36. Agarwala, S., Lim, Z.H., E. Nicholson and Ho, G.W. (2012). “Probing the morphology-device relation of Fe2O3 nanostructures towards photovoltaic and sensing applications”, Nanoscale 4 (1), pp. 194-205. [PDF]
35. Ong, W.L., Zhang, C., Ho, G.W. (2011). “Ammonia plasma modification towards a rapid and low temperature approach for tuning electrical conductivity of ZnO nanowires on flexible substrates”, Nanoscale 3 (10), pp. 4206-4214. [PDF]
34. Agarwala, S., Peh, C.K.N., Ho, G.W. (2011), “Investigation of ionic conductivity and long-term stability of a LiI and KI coupled diphenylamine quasi-solid-state dye-sensitized solar cell”, ACS Applied Materials and Interfaces 3 (7), pp. 2383-2391. [PDF]
33. Kevin, M., Ong, W.L., Lee, G.H., Ho, G.W. (2011). “Formation of hybrid structures: Copper oxide nanocrystals templated on ultralong copper nanowires for open network sensing at room temperature”, Nanotechnology 22 (23), art. no. 235701. [PDF]
32. Andrew, W., Ho, G.W., Liew, S.L., Chua, K.C., Chi, D.Z. (2011). “Probing the growth of ß-FeSi2 nanoparticles for photovoltaic applications: A combined imaging and spectroscopy study using transmission electron microscopy”, Progress in Photovoltaics: Research and Applications 19 (4), pp. 464-472. [PDF]
31. Teoh, H.F., Tao, Y., Tok, E.S., Ho, G.W., Sow, C.H. (2011). “Electrical current mediated interconversion between graphene oxide to reduced grapene oxide”, Applied Physics Letters 98 (17) , art. no. 173105. [PDF]
30. Ho, G.W. (2011). “Gas sensor with nanostructured oxide semiconductor materials”, Science of Advanced Materials 3 (2), pp. 150-168. [PDF]
29. Dai, Z., Nurbawono, A., Zhang, A., Zhou, M., Feng, Y.P., Ho, G.W., Zhang, C. (2011). “C-doped ZnO nanowires: Electronic structures, magnetic properties, and a possible spintronic device”, Journal of Chemical Physics 134 (10), art. no. 104706. [PDF]
28. Natarajan, S., Lim, Z.H., Wee, G., Mhaisalkar, S.G., Sow, C.-H., Ho, G.W. (2011). “Electrically driven incandescence of carbon nanotubes in controlled gaseous environments”, Scripta Materialia 64 (6), pp. 564-567. [PDF]
27. Agarwala, S., Thummalakunta, L.N.S.A., Cook, C.A., Peh, C.K.N., Wong, A.S.W., Ke, L., Ho, G.W. (2011). “Co-existence of LiI and KI in filler-free, quasi-solid-state electrolyte for efficient and stable dye-sensitized solar cell”, Journal of Power Sources 196 (3), pp. 1651-1656. [PDF]
26. Lim, Z.H., Chia, Z.X., Kevin, M., Wong, A.S.W., Ho, G.W. (2010). “A facile approach towards ZnO nanorods conductive textile for room temperature multifunctional sensors”, Sensors and Actuators, B: Chemical 151 (1), pp. 121-126. [PDF]
25. Ong, W.L., Lim, S.X., Sow, C.H., Zhang, C., Ho, G.W. (2010). “Synthesis and field emission properties of well-aligned ZnO nanowires on buffer layer”, Thin Solid Films 518 (24 SUPPL.), pp. e139-e142. [PDF]
24. Kevin, M., Ong, W.L., Lee, G.H., Ho, G.W. (2011). “Formation of hybrid structures: Copper oxide nanocrystals templated on ultralong copper nanowires for open network sensing at room temperature”, Nanotechnology 22 (23), art. no. 235701. [PDF]
23. Agarwala, S., Kevin, M., Wong, A.S.W., Peh, C.K.N., Thavasi, V., Ho, G.W. (2010). “Mesophase ordering of TiO2 film with high surface area and strong light harvesting for dye-sensitized solar cell”, ACS Applied Materials and Interfaces 2 (7), pp. 1844-1850. [PDF]
22. Wong, A.S.W., Ho, G.W., Chi, D.Z. (2010). “Understanding the growth of beta-FeSi2 films for photovoltaic applications: A study using transmission electron microscopy”, Journal of the Electrochemical Society 157 (8), pp. H847-H852. [PDF]
21. Kevin, M., Fou, Y.H., Wong, A.S.W., Ho, G.W. (2010). “A novel maskless approach towards aligned, density modulated and multi-junction ZnO nanowires for enhanced surface area and light trapping solar cells”, Nanotechnology 21 (31), art. no. 315602. [PDF]
20. Peh, C.K.N., KE, L., Ho, G.W. (2010). “Modification of ZnO nanorods through Au nanoparticles surface coating for dye-sensitized solar cells applications”, Materials Letters 64 (12), pp. 1372-1375. [PDF]
19. Hu, W., Wiria, Ong, W.L., Ho, G.W. (2010). “High yield shape control of monodispersed Au nanostructures with 3D self-assembly ordering”, Colloids and Surfaces A: Physicochemical and Engineering Aspects 358 (1-3), pp. 108-114. [PDF]
18. Bela, S., Wong, A.S.W., Ho, G.W. (2010). “Hydrolysis and ion exchange of titania nanoparticles towards large-scale titania and titanate nanobelts for gas sensing applications “, Journal of Physics D: Applied Physics 43 (3), art. no. 035401. [PDF]
17. Yeow, S.C., Ong, W.L., Wong, A.S.W., Ho, G.W. (2009). “Template-free synthesis and gas sensing properties of well-controlled porous tin oxide nanospheres”, Sensors and Actuators, B: Chemical 143 (1), pp. 295-301. [PDF]
16. Cai, Y., Zhang, A., Feng, Y.P., Zhang, C., Teoh, H.F., Ho, G.W. (2009). “Erratum: Strain effects on work functions of pristine and potassium-decorated carbon nanotubes”, Journal of Chemical Physics 131 (24), art. no. 249903. [PDF]
15. Ho, G.W., Wong, A.S.W. (2009). “Aqueous synthesis towards vertically-aligned and selective pattern of ZnO nanostructures arrays”, Advanced Materials Research 67, pp. 7-12. [PDF]
14. Yong, M.J.Q., Wong, A.S.W., Ho, G.W. (2009). “Mesophase ordering and macroscopic morphology structuring of mesoporous TiO2 film”, Materials Chemistry and Physics 116 (2-3), pp. 563-568. [PDF]
13. Agarwala, S., Ho, G.W. (2009). “Synthesis and tuning of ordering and crystallinity of mesoporous titanium dioxide film”, Materials Letters 63 (18-19), pp. 1624-1627. [PDF]
12. Ho, S.Y., Wong, A.S.W., Ho, G.W. (2009). “Controllable porosity of monodispersed tin oxide nanospheres via an additive-free chemical route”, Crystal Growth and Design 9 (2), pp. 732-736. [PDF]
11. Seow, Z.L.S., Wong, A.S.W., Thavasi, V., Jose, R., Ramakrishna, S., Ho, G.W. (2009).”Controlled synthesis and application of ZnO nanoparticles, nanorods and nanospheres in dye-sensitized solar cells”, Nanotechnology 20 (4), art. no. 045604. [PDF]
2001 – 2008
10. Wong, A.S.W., Ho, G.W., Chia, D.Z. (2008). “Enhanced ferromagnetic Fe-rich germanide film grown using magnetron sputtering employing a post-deposition anneal”, ECS Transactions 16 (10), pp. 989-997
9. Tan, E.T.H., Ho, G.W., Wong, A.S.W., Kawi, S., Wee, A.T.S. (2008). “Gas sensing properties of tin oxide nanostructures synthesized via a solid-state reaction method”, Nanotechnology 19 (25), art. no. 255706. [PDF]
8. Wong, A.S.W., Ho, G.W., Chi, D.Z. (2008), “Enhanced ferromagnetic Fe-rich germanide film grown using magnetron sputtering employing a post-deposition anneal”, Journal of Physics D: Applied Physics 41 (4), art. no. 042004. [PDF]
7. Wang, C.H., Wong, A.S.W., Ho, G.W. (2007). “Facile solution route to vertically aligned, selective growth of ZnO nanostructure arrays”, Langmuir 23 (24), pp. 11960-11963. [PDF]
6. Ho, G.W., Wong, A.S.W. (2007). “One step solution synthesis towards ultra-thin and uniform single-crystalline ZnO nanowires”, Applied Physics A: Materials Science and Processing 86 (4), pp. 457-462. [PDF]
5. Cha, S.N., Jang, J.E., Choi, Y., Amaratunga, G.A.J., Ho, G.W., Welland, M.E., Hasko, D.G., (…), Kim, J.M. (2006). “High performance ZnO nanowire field effect transistor using self-aligned nanogap gate electrodes”, Applied Physics Letters 89 (26), art. no. 263102. [PDF]
4. Ho, G.W., Wong, A.S.W., Wee, A.T.S., Welland, M.E. (2004). “Self-assembled growth of coaxial crystalline nanowires”, Nano Letters 4 (10), pp. 2023-2026. [PDF]
3. Ho, G.W., Wong, A.S.W., Kang, D.-J., Welland, M.E. (2004). “Three-dimensional crystalline SiC nanowire flowers”, Nanotechnology 15 (8), pp. 996-999. [PDF]
2. Ho, G.W., Wee, A.T.S., Lin, J. (2001). “Electric field-induced carbon nanotube junction formation”, Applied Physics Letters 79 (2), pp. 260-262. [PDF]
1. Ho, G.W., Wee, A.T.S., Lin, J., Tjiu, W.C. (2001). “Synthesis of well-aligned multiwalled carbon nanotubes on Ni catalyst using radio frequency plasma-enhanced chemical vapor deposition”, Thin Solid Films 388 (1-2), pp. 73-77 . [PDF]