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

  • Additive manufacturing applied in membrane production
  • Multifunctional nano-composite membrane for clean water and energy production
  • TiO2 nanofiber/tube membrane for water treatment and energy generation
  • Nanofiber composite osmosis membrane


Founder of Nano Sun Pte Ltd, a spin-off company which aims to produce flexible nanofiber membrane using 3D printing process.
An Innovation That Became Commercial Reality, NTU media report

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.

URL: https://scholar.google.com.sg/citations?user=jdp0VxIAAAAJ&hl=en

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

URL: http://www.researcherid.com/rid/A-3788-2011

  • Qin D.T., Z.Y. Liu, H. W. Bai, D.D. Sun (2018) “Superior antifouling capability of hydrogel forward osmosis membrane for treating wastewaters with high concentration of organic foulants” Environmental Science and Technology, 2018, 52 (3), pp 1421–1428.
  • Zhang, L.L., H.W. Bai, L. Liu, D.D. Sun (2018) “Dimension Induced Intrinsic Physio-electrical Effects of Nanostructured TiO2 on Its Antibacterial Properties” Chemical Engineering Journal, Volume 334, 15 February 2018, Pages 1309-1315.
  • Ang, J.K.K., J. S. M. Chua, Z.J. Chang, Z.T. Li, H.W. Bai, D.D.Sun (2018) “An ion exchange approach assembled multidimensional hierarchical Fe–TiO2 composite micro-/nano multi-shell hollow spheres for bacteria lysis through utilizing visible light” Catalysis Science and Technology, 2018, 8, pp.2077 - 2086. 10.1039/C8CY00078F
  • Li, Z.T., C. M. Tan, W. Tio, J. Ang, D.D. Sun (2018) “Manta Ray Gills Inspired Radial Distributed Nanofibrous Membrane for Efficient and Continuous Oil-Water Separation” Environmental Science: Nano, a(2) pp 1466-1472, 2018.
  • Qing, D.T., Z.Y. Liu, H.W. Bai, D.D. Sun (2017) “Three-dimensional architecture constructed by graphene oxide nanosheets - polymer composite for high-flux forward osmosis membranes” Journal of Material Chemistry A.
  • Ang, J. K.K., J. Juay, Y. H. Kok, H.W. Bai, D.D. Sun (2017) “Multi-Dimensional Micro-/nano-reactor Spheres for Sustainable Water Treatment” Catalysis Science and Technology, pp.5550-5561, 7, 2017.
  • Tan, B. Y.L., J. Juay, Z.Y. Liu and D.D. Sun (2016) “Flexible hierarchical TiO2/Fe2O3 composite membrane with high separation efficiency for surfactant-stabilized oil-water emulsions”, Chemistry-An Asia Journal, 11(4): 561-567.
  • Qin, D.T., Liu, Z.Y., Bai, H.W., D.D. Sun and Song, X.X. (2016). "A new nano-engineered hierarchical membrane for concurrent removal of surfactant and oil from oil-in-water nanoemulsion", Scientific Reports 6, Article number: 24365.
  • Tang, C.L., H.W. Bai, L. Liu, X.L. Zan, P. Gao, D.D. Sun and W. Yan (2016) “A green approach assembled multifunctional Ag/AgBr/TNF membrane for clean water production and disinfection of bacteria through utilizing visible light” Applied Catalysis B: Environmental, Vol 198, pg 57-67.
  • 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/