Faculty Directory


Darren D Sun

Associate Professor
Office: N1-01c-89
Tel: (65) 6790-6273
Email: ddsun@ntu.edu.sg


  • PhD, UNSW, 1993

Career details:

  • Associate Professor, Nanyang Technological University, Singapore
  • Assistant Professor, Nanyang Technological University, Singapore
  • Research Fellow, ETI, Singapore

Professional Societies

  • Fellow, International Water Association (IWA)
  • Member of International Water Association (IWA)
  • Chair, IWA Chemical Industries Specialist Group
  • Co-Chair, IWA Nano and Water Specialist Group

Editorial Board Member

  • Water Science and Technology
  • Journal of Chemistry

Main research interest

  • Environmental applications and implication of nanomaterials
  • Nanofiber membrane separation for desalination, water reclamation and water quality control
  • Hybrid multifunctional membrane for sustainable production of water and energy
  • Smart quantum membrane
  • 3D additive printing filtration membrane production
  • Reutilization of waste into value-added product

Current research project

  • Multifunctional nano-composite membrane for clean water and energy production
  • TiO2 nanofiber/tube membrane for water treatment and energy generation
  • Nanofiber composite forward osmosis membrane
  • Conversion of CO2 to hydrocarbon with HOT-DNA membrane
  • TiO2 multifunctional nanofiber MF/UF membrane made by 3D printer


Founder of Nano Sun Pte Ltd, a spin-off company which aims to produce flexible multifunctional TiO2 nanofiber membrane using 3D printing process.

URL: http://www.scopus.com/authid/detail.uri?authorId=7403968481

  • Qin, D.T., Z.Y. Liu, D.D. Sun, X.X. Song and H.W. Bai (2015) A new nanocomposite forward osmosis membrane custom-designed for treating shale gas wastewater. Scientific Report, 5, Article number 14530.
  • Lee, S.S., H.W. Bai, Z.Y. Liu and D.D. Sun (2015) A green approach for photocatalytic Cu(II)-EDTA degradation over TiO2: Towards environmental sustainability. Environmental Science and Technology, 49 (4), pp 2541-2548.
  • Tai, M. H., B. Y-L Tan, J. Juay, D. D. Sun and J. O. Leckie (2015) Self-assembly Superhydrophobic Electrospun Carbon-Silica Nanofiber Sponge for Selective Removal and Recovery of Oils and Organic Solvents. Chemistry- A European Journal, 21(14), pp.5395-5402. Cover highlight.
  • Gao P., Z.Y. Liu, D.D. Sun and W.J. Ng (2014) The efficient separation of surfactant stabilized oil/water emulsions with a flexible and superhydrophilic graphene/TiO2 composite membrane. Journal of Materials Chemistry A, 2, pp14082-14088.
  • Gao, P and D.D. Sun (2014) Hierarchical sulfonated graphene oxide-TiO2 composites for highly efficient hydrogen production with a wide pH range. Applied Catalysis B-Environmental, 147, pp.888-896.
  • Lee, S.S., H.W. Bai, Z.Y. Liu and D. D. Sun (2013) Optimization and an Insightful Properties-Activity Study of Electrospun TiO2/CuO Composite Nanofibers for Efficient Photocatalytic H2 Generation. Applied Catalysis B: Environmental, 140-141, pp 68-81.
  • Song, X.X., Z.Y Liu and D.D. Sun (2013) Energy Recovery from the Brines of Seawater and Wastewater Using Thin-film Nanofiber Composite Pressure Retarded Osmosis Membranes. Energy and Environmental Science, 6(4), pp1199-1210.
  • Bai, H.W., L. Liu, Z.Y. Liu and D.D. Sun (2013) Hierarchical 3D Dendritic TiO2 Nanospheres Building with Ultralong 1D Nanoribbon/wires for High Performance Concurrent Photocatalytic Membrane Water Purification. Water Research, 47(12), pp. 4126-4138.
  • Lee, S.S., H.W. Bai, Z.Y. Liu and D.D. Sun (2013) Novel-Structured Electrospun TiO2/CuO Composite Nanofibers for High Efficient Photocatalytic Cogeneration of Clean Water and Energy from Dye Wastewater. Water Research, 47(12), pp.4059-4073.
  • Gao, P., Z.Y. Liu, M.H. Tai, D.D. Sun and W.J. Ng (2013) Multifunctional Graphene Oxide-TiO2 Microsphere Hierarchical Membrane for Clean Water Production. Applied Catalysis B: Environmental, 138-139, pp.17-25.
  • Bai, H.W., Z. Y.Liu, L. Liu and D. D. Sun (2013). "Large-Scale Production of Hierarchical TiO2 Nanorod Spheres for Photocatalytic Eliminating Contaminants and Killing Bacteria", Chemistry-A European Journal, 19, pp.3061-3070. Back cover page highlight
  • Bai, H.W., Z.Y. Liu and D.D. Sun (2012) A Lithium-ion Anode with Micro-scale Mixed Hierarchical Carbon Coated Single Crystal TiO2 Nanorod Spheres and Carbon Spheres. Journal of Materials Chemistry, 22, pp. 24552-24557. Back cover page highlight
  • Bai, H.W., Z.Y. Liu and D.D. Sun (2012) Facile Preparation of Monodisperse, Carbon Doped Single Crystal Rutile TiO2 Nanorod Spheres with Large Percentage Reactive [110] Facet Exposure for High Efficient H2 Generation. Journal of Materials Chemistry, 22(36), pp.18801-18807. Cover page highlight.
  • Liu Y.J. and D.D. Sun (2012) Membrane fouling mechanism in dead-end microfiltration of denitrifying granular sludge mixed liquors developed in SBRs at different calcium concentrations. Journal of Membrane Science, 396, pp.74-82.
  • Liu, L., Z.Y.Liu, H.W. Bai and D.D. Sun (2012) Concurrent Filtration and Solar Photocatalytic Disinfection/Degradation Using High-Performance Ag/TiO2 Nanofiber Membrane. Water Research, 46, pp. 1101-1112.
  • Bai, H.W., Z.Y. Liu and D.D.Sun (2012) A Hierarchically Structured and Multifunctional Membrane for Water Treatment. Applied Catalysts B: Environment, 111-112, pp. 571-577.
  • Bai, H.W., Z.Y. Liu and D.D. Sun; (2012) A Hierarchically Structured and Multifunctional Membrane for Water Treatment. Applied Catalysts B: Environment, 111-112, pp. 571-577.
  • Ng. J.W., X.P. Wang and D.D.Sun (2011) One-Pot Hydrothermal Synthesis of a Hierarchical Nanofungus-like Anatase TiO2 Thin Film for Photocatalytic Oxidation of Bisphenol A. Applied Catalysis B: Environmental. 392(1), pp.198-204.
  • Song, X.X., Z.Y. Liu and D.D. Sun (2011) Nano Gives the Answer: Breaking the Bottleneck of Internal Concentration Polarization with Nanofiber Composite Forward Osmosis Membrane for High Water Production Rate. Advanced Materials, 23 (29), pp.3256.
  • Liu, Z.Y., H.W. Bai, J. Lee and D.D.Sun (2011) A Low-Energy Forward Osmosis Process to Produce Drinking Water. Energy and Environmental Science, 4, pp.2582-2585.
  • Ng, J.W., J.H. Pan and D.D. Sun (2011) Hierarchical Assembly of Anatase Nanowhiskers and Evaluation of its Photocatalytic Efficiency against various One-Dimensional TiO2 Nanostructures. Journal of Materials Chemistry, 21(32), pp. 11844-11853.
  • Bai, H.W.; Z.Y.Liu and D.D.Sun (2010) Hierarchically Multifunctional TiO2 Nano Thorn Membrane for Water Purification. Chemical Communications, 46 (35), pp.6542-6544.
  • Liu, J.C., H.W.Bai, Y.J. Wang, Z.Y.Liu, X.W. Zhang and D.D.Sun (2010) Self-assembling of TiO2 Nanorods on Large Graphene Oxide Sheets at a Two-Phase Interface and its Anti-recombination in Photocatalytic Application. Advanced Functional Materials, 20(23), pp.4175-4181.
  • Ng, J.W., S.P.Xu, X.W. Zhang, H.Y.Yang and D.D.Sun (2010) Hybridized Nanowires and Cubes - A novel architecture of heterojunctioned TiO2/SrTiO3 thin film for efficient Water Splitting. Advanced Functional Materials, 20(24), pp.4287-4294.
  • Zhang, X.W., T. Zhang, J.W. Ng, J.h. Pan and D.D. Sun (2010) Transformation of Bromine Species in TiO2 Photocatalytic System. Environmental Science & Technology, 44 (1), pp.439-444.
  • Zhang, X.W., T. Zhang, J.W. Ng and D. D. Sun (2009) High-performance multifunctional TiO2 nanowire ultrafiltration membrane with hierarchical layer structure for water treatment. Advanced Functional Materials, 19, pp.3731-3736.
  • Pan, J.H., X.W. Zhang, A. J.H. Du, D. D. Sun and J.O. Leckie (2008) Self-etching Reconstruction of Hierarchically Mesoporous F-TiO2 Hollw microsphereical Photocatalyst for Concurrent Membrane Water Purifications. Journal of the American Chemical Society, 130 (34), pp.11256-11257.
  • Liu, Z.Y., D.D. Sun, P. Guo and J. O. Leckie (2007) An Efficient Bicomponent TiO2/SnO2 Nanofiber Photocatalyst Fabricated by Electrospinning with a Side-by-Side Dual Spinneret Method. Nano Letters, (7)4, pp. 1081-1085.
  • Click here for more information: http://www.ntu.edu.sg/home/ddsun/

Awards received

  • Frost & Sullivan Asia Pacific Award for Innovation (Water Filtration) 2015
  • President Award from Tokyo University of Science 2013, Japan
  • IWA Fellow 2012 from International Water Association (IWA)
  • IWA Innovation Award 2008 (East Asia and Pacific), UK
  • Prestigious Engineering Achievement Award 2008 from Institute of Engineering Singapore
  • Nanyang Award for Innovation and Research 2009 from Nanyang Technological University
  • Distinguished Award 2011 from Singapore Accreditation Council
  • Renaissance Engineering Programme (REP) Fellow
  • Lien Ying Chow Legacy Fellow

Other information


  • Sun, Darren Delai; Hay Choon Teck; Khor, Swee Loong and James Leckie “Water Reclamation without Biosludge Production” PCT/SG2007/000410.
  • Sun, Darren Delai; Lee Pei Fung and Leckie, O James “Microspheric TiO2 Photocatalyst” PCT/SG2007/000436.
  • Sun, Darren Delai; Xiwang Zhang; Alan Jianghong Du; Peifung Lee and Leckie, O James “Hollow Porous Microsphere”, PCT/SG2008/000250.
  • Sun, Darren Delai; Xiwang Zhang; Alan Jianghong Du; and Leckie, O James "Membrane Made of A Nanostructured Material " PCT/SG2008/000101.
  • Sun, Darren Delai, Jincheng Liu, Yinjie Wang and Hongwei Bai (2010) "Multifunctional Membrane Made of Graphene Based Nanocomposite Materials" Ref No. TECH/114/10 and TD/114/10.
  • Sun, D.D.; Z.Y Liu and X.X. Song (2010) “Nanofiber Composite Forward Osomisis Membranes” Ref No. TECH/140/10; TD/140/10.

Visiting professor

  • Shimizu Visiting Professor, Stanford University, USA.
  • Visiting Professor, Shandong University, China.
  • Visiting Professor, University of Johannesburg, South Africa.