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Associate Professor

Kok Hwa LIM

Associate Professor
Director, Professional Officers Division
Doctor of Natural Science, Technische Universität München (TUM), Germany
Cluster:
Food, Chemical and Biotechnology
Email

SIT Appointments

  • Director, Professional Officers Division
    – Present
  • Associate Professor
    – Present
  • Deputy Cluster Director (Applied Research & Learning), Chemical Engineering and Food Technology
    –
  • Programme Director, SIT BEng (Hons) Pharmaceutical Engineering
    –

Education

  • Doctor of Natural Science
    Technische Universität München (TUM) , Germany
  • MSc (Chemical Engineering)
    National University of Singapore , Singapore
  • BSc (First Class Honours) Computational Science and Chemistry
    National University of Singapore , Singapore

Achievements

  • ASCILITE Innovation Award
  • Champion in Best National Service Operationally Ready Unit Award
  • IES Outstanding Committee Award for 2014/2015
  • HomeTeam NSman of the Year
  • Certificate of Appreciation, Asia Pacific Society for Materials Research
  • “Best Poster Award”, The International Symposium on Exploring the Frontiers of Chemical and Biochemical Engineering, Tsinghua, China
  • Tan Chin Tuan Exchange Fellowship in Engineering
  • Commissioner of Police Commendation Award, Singapore Police Force
  • Deutscher Akademischer Austauschdienst (DAAD - German Academic Exchange Service) Fellowship, Germany
    –
  • Home Team Achievement Award, Ministry of Home Affairs, Singapore

Professional Certification

  • Professional Engineer
    Professional Engineers Board (Singapore)
  • Chartered Engineer (Chemical & Process Engineering)
    Chartered Engineer (Singapore) Registry

Professional Memberships

  • Fellow, Institute of Engineers Singapore
    – Present
  • Executive Member, Singapore Catalysis Society
    – Present

Corporate Experience

  • Trainer, HAZOP (Hazard & Operability Studies)
    Present
  • Judge, Energy Innovation Challenge Category, National Engineers Day
    –
  • Editorial Board Member, Advances in Chemistry
  • Judge, Science Mentorship Program, Ministry of Education, Singapore 2011
  • Visiting Faculty, Northwestern University, USA (Group of Prof. George Schatz)
  • Guest Editor, Molecules (Special Issue - QSAR)
    –
  • Member of Board of Inquiry/ Technical Expertise for ad hoc committees of government agencies
  • Judge, Singapore Science and Engineering Fair, Singapore Science Center
    –
  • Expert Mentor for Innovation Program, Ministry of Education, Singapore
    –
  • Guest Editor, Catalysis Today, Issue 131
  • Visiting Scholar, University of Milan (Università degli Studi Milano-Bicocca), Italy. (Group of Prof. G. Pacchioni)

Research Interests

  • Computational Chemistry and Material Sciences
  • Heterogeneous Catalytic reactions and Surface Sciences
  • Green Chemistry and processes
  • Process Safety
  • QSAR Analysis of Biological Activity

Current Projects

  • Chemical and Pharmaceutical Process Center (working together with Zuo Jian, Cheow Wean Sin, Reginald Thio, Wong Shin Yee, Fung Ho Ki, Li Chuanzhao, Bernard Loo, Leslie Loo, Ryan Tay)
    – Present

Journal Papers

  • Zheng Jian Chen, Hong-Wei Xi, Kok Hwa Lim, Jong-Min Lee, Synthesis and Characterization of O-Alkylated Amidium Ionic Liquids, ACS Sustainable Chemistry & Engineering, (2015) 3 325-333

  • Lin Huang, Mahasin Alam Sk, Peng Chen, Kok Hwa Lim, Band Gap Manipulations of Monolayer Graphene by Phenyl radicals Adsorptions: A DFT study, ChemPhysChem (2014) 15, 2610–2617.

  • Piyarat Weerachanchai, Yuewen Wong, Kok Hwa Lim, Timothy Thatt Yang Tan, Jong-Min Lee, Determination of solubility parameters of ionic liquids and ionic liquid/solvent mixtures from intrinsic viscosity, ChemPhysChem, (2014) 15, 3580-3591.

  • Sultana Bedoura, Hong-Wei Xi, Kok Hwa Lim*, Hydrogen Bond nature in Formamide (CYHNH2•••XH; Y=O, S, Se, Te; X=F, HO, NH2) complexes, J. Phys. Organic Chem. (2014), 27, 226-236.

  • Peng Xiao, Mahasin Alam Sk, Larissa Thia, Xiaoming Ge, Rern Jern Lim, Jing-Yuan Wang, Kok Hwa Lim, Xin Wang, Molybdenum phosphide as an efficient electrocatalyst for hydrogen evolution reaction, Energy & Environmental Science, (2014), 7, 2624-2629.

  • Siti Munira Haidad Ali, Yaw-Kai Yan, Peter Peng Foo Lee, Kenny Zhi Xiang Khong, Mahasin Alam Sk, Kok Hwa Lim, Beata Klejevskaja, Ramon Vilar, Copper(II) Complexes of Substituted Salicylaldehyde Dibenzyl Semicarbazones: Synthesis, Cytotoxicity and Interaction with Quadruplex DNA, Dalton Transactions, (2014) 43, 1449-1459.

  • Zhengjian Chen, Hong-Wei Xi, Kok Hwa Lim, Jong-Min Lee, Corrigendum: Distillable Ionic Liquids: Reversible Amide O Alkylation, Angew. Chem. Int. Ed (2014) 53, 10567.

  • Piyarat Weerachanchai, Kok Hwa Lim, Jong-Min Lee, Influence of Organic Solvent on the Separation of an Ionic Liquid from a Lignin-Ionic Liquid Mixture Bioresource Technology, (2014) 156, 404-407.

  • Sk Mahasin Alam, Ananthanarayanan, Arundithi, Huang Lin, Kok Hwa Lim, Peng Chen, Revealing the Tunable Photoluminescence Properties of Graphene Quantum Dots, Journal of Materials Chemistry C (2014) 2, 6954-6960.

  • Rern Jern Lim, Mingshi Xie, Mahasin Alam Sk, Jong-Min Lee, Adrian Fisher, Xin Wang, Kok Hwa Lim, A review on the electrochemical reduction of CO2 in fuel cells, metal electrodes and molecular catalysts, Catalyst Today, (2014) 233, 169-180.

  • Kenath Priyanka Prasad, Yun Chen, Mahasin Alam Sk, Aung Than, Yue Wang, Handong Sun, Kok Hwa Lim, Peng Chen, Fluorescent Polymer Quantum Dots Derived from PEDOT and their Applications for Optical Imaging and Sensing, Materials Horizons, (2014) 1, 529-534.

  • Mahasin Alam Sk, Sergey M. Kozlov, Kok Hwa Lim, Annapaola Migani, Konstantin M. Neyman, Size Dependence of the Oxygen Vacancy Formation Energy in Ceria Nanoparticles and their Self-Assemblies, Journal of Materials Chemistry A, (2014) 2 18329-18338. (Highlighted in journal cover)

  • Arundithi Ananthanarayanan, Xuewan Wang, Parimal Routh, Barindra Sana, Sierin Lim, Dong-Hwan Kim, Kok Hwa Lim, Jun Li, Peng Chen, Facile synthesis of graphene quantum dots from 3D graphene and their application for Fe3+ sensing, Adv. Func. Mat. (2014), (2014) 24, 3021-3026.

  • Xiang Li, Rern Jern Lim, Jong-Min Lee, Xin Wang, Kok Hwa Lim, DFT study of the Effects of strains on the adsorption of methoxide and its decomposed intermediates on PdZn(100), J. Mol. Catal. A: Chem, (2014), 393, 296–301

  • Hui-Xian Yeong, Hong-Wei Xi, Yongxin Li, Sophy Bhasi Kunnappilly, Bozhen Chen, Kai-Chung Lau, Hajime Hirao, Kok Hwa Lim, Cheuk-Wai So, Zwitterionic Base-Stabilized Digermadistannacyclobutadiene and Tetragermacyclobutadiene. Chem. Eur. J. (2014), 43, 14726-14731

  • Shu-Hwa Zhang, Hong-Wei Xi, Yongxin Li, Kok Hwa Lim, Cheuk-Wai So, An Extensive n, π, σ-Electron Delocalized Si4 Ring, Angew. Chem. Int. Ed. (2013) 52, 12364-12367.

  • Ashok K. Sundramoorthy, Sara Mesgari, Jing Wang, Raj Kumar, Mahasin Alam Sk, Siew Hooi Yeap, Qing Zhang, Siu Kwan Sze, Kok Hwa Lim*, Mary Chan-Park. Scalable and Effective Enrichment of Semiconducting Single-walled Carbon Nanotubes by a Dual Selective Naphthalene-based Azo Dispersant. J. Am. Chem. Soc. (2013) 139, 5569-6681.

  • Hong-Wei Xi, Sultana Bedoura, Kok Hwa Lim, Hydrogen Bond and Internal Rotations Barrier: A Density Functional Theory on Heavier Analogue of the Group 14 of Formamide, J. Phys. Organ. Chem. (2013) 5, 420-431.

  • Hui-Xian Yeong, Hong-wei Xi, Yongxin Li, Kok Hwa Lim, Cheuk-Wai So, A Silyliumylidene Cation Stabilized by an Amidinate Ligand and 4-Dimethylaminopyridine, Chem: A Eur. J. (2013) 19, 11786-11790.

  • Yi-Fan Yang, Cechao Foo, Hong-Wei Xi, Yongxin Li, Kok Hwa Lim, Cheuk-Wai So, A Base-Stabilized 2-Silaallene Ylide. Organometallics. (2013) 32, 2267-2270.

  • Zhengjian Chen, Hong-Wei Xi, Kok Hwa Lim, Jong-Min Lee, Distillable Ionic Liquids: Reversible Amide O Alkylation, Angew. Chem. Int. Ed. (2013) 52, 13392-13396.

  • Siew-Peng Chia, Hong-wei Xi, Yongxin Li, Kok Hwa Lim, Cheuk-Wai So, A Base-Stabilized Lead(I) Dimer and an Aromatic Plumbylidenide Anion, Angew. Chem. Int. Ed. (2013) 52, 6298-6301.

  • Mahasin Alam Sk, Man-Fai Ng, Lin Huang, Kok Hwa Lim, Modulating the electronic properties of germanium nanowires via applied strain and surface passivation. Phys. Chem. Chem. Phys. (2013) 15, 5927-5935.

  • Shiow Jin Tan, Mahasin Alam Sk, Peter Peng Foo Lee, Yaw Kai Yan, Kok Hwa Lim, Structural requirements of salicylaldehyde benzoylhydrazone and their Cu(II) complexes for anticancer activity, Can. J. Chem., (2012) 90, 762-775.

  • Wan Yen Lee, Yaw Kai Yan, Peter Peng-Foo Lee, Shiow Jin Tan, Kok Hwa Lim, DNA Binding and Nucleolytic Properties of Cu(II) Complexes of Salicylaldehyde Semicarbazones, Metallomics, (2012), 4, 188-196

  • Haixia Da, Hong Mei Jin, Kok Hwa Lim, Valeri Ligatchev, Man-Fai Ng, Khoong Hong Khoo, Shuo-Wang Yang, Half Metal - Semiconductor Reversible Switch in Bimetallic Sandwich Molecular Wire via Redox Reactions. Nano Energy, (2012) 1, 297-302.

  • Yao-Lun Yu, Kok Hwa Lim, Jing Yuan Wang, Xin Wang, CO Adsorption Behavior on Decorated Pt@Au Nanoelectrocatalysts: A Combined Experimental and DFT Theoretical Calculation Study, J. Phys. Chem. C, (2012), 116, 3851-3856.

  • Xiang Li, Kok Hwa Lim, DFT Study of Steam Reforming of Formaldehyde on Cu, PdZn, and Ir. ChemCatChem (2012) 4, 1311-1320.

  • Mahasin Alam Sk, Man-Fai Ng, Shuo-Wang Yang, Kok Hwa Lim, Stress Induced Half-Metallicity in Surface Defected Germanium Nanowire, Phys. Chem. Chem. Phys., (2012) 14, 1166-1174.

  • Shu-Hwa Zhang, Hong-Wei Xi, Kok Hwa Lim, Qingyong Meng, Ming-Bao Huang, Cheuk-Wai So, Synthesis and Characterization of a Singlet Delocalized 2,4-Diimino-1,3-disilacyclobutanediyl and a Silylenylsilaimine, Chem: A Eur. J, (2012) 14, 4285-4263.

  • Wei Zhi Wang, Mahasin Alam Sk, Ping Qi Gao, Kok Hwa Lim, Mary B. Chan-Park, Mild Bromination-Assisted Density-Gradient Ultracentrifugation to Sort Single-Walled Carbon Nanotubes by Metallicity. J. Phys. Chem. C, (2012) 116, 23027-23035.

  • Hui-Xian Yeong, Shu-Hua Zhang, Hong-Wei Xi, Jing-Dong Guo, Kok Hwa Lim, Shigeru Nagase, Cheuk-Wai So, An Amidinate-Stabilized Germatrisilacyclobutadiene Ylide, Chem. A Eur. J., (2012), 18, 2685-2691.

  • Jia-Yi Guo, Hong-Wei Xi, Israel Nowik, Rolfe H. Herber, Yongxin Li, Kok Hwa Lim, Cheuk-Wai So, Reactivity of a Tin(II) (Iminophosphinoyl)(thiophosphinoyl)methanediide Complex Toward Sulfur: Synthesis and 119Sn Mossbauer Spectroscopic Studies of [{(mu-S)SnC(PPh2=NSiMe3)(PPh2=S)}(3)Sn(mu(3)-S)]. Inorg. Chem. (2012) 51 3996-4001.

  • Shiow Jin Tan, Hong-Wei Xi, Sultana Bedoura, Kok Hwa Lim, DFT study of Salicylaldehyde Semicarbazone Derivatives Interaction with Copper and the Effect of Aminic Substituent. Inorganica Chimica Acta (2012) 384, 29-36.

  • Diana V. Wellia, Qing Chi Xu, Mahasin Alam Sk, Kok Hwa Lim, Tuti Mariana Lim, Timothy Thatt Yang Tan, Experimental and Theoretical Studies of Fe-doped TiO2 Films Prepared by Peroxo Sol-gel Method. Appl. Catal. A: General, (2011) 401, 98-105.

  • Qiang Wang, Kok Hwa Lim, Yanhui Yang, Shuo-Wang Yang, Yuan Chen, Atomic carbon adsorption on Ni nanoclusters: A DFT study. Theoret. Chem. Acc. (2011), 128, 17-24.

  • Shu-Hwa Zhang, Hong-Wei Xi, Kok Hwa Lim, Cheuk-Wai So, Synthesis and Characterization of an Amidinate-Stabilized Siladithiocarboxylate and Its Germanium(II) Complex. Organometallic, (2011) 30, 3686-3689. 

  • Mahasin Alam Sk, Man-Fai Ng, Shuo-wang Yang, Kok Hwa Lim, Water Induced Electrical Hysteresis in Germanium Nanowire: A Theoretical Study, Phys. Chem. Chem. Phys., (2011) 13, 11663-11670.

  • Yaolun Yu, Xin Wang, Kok Hwa Lim, A DFT Study on the Adsorption of Formic Acid and its Oxidized Intermediates on (100) Facets of Pt, Au, Monolayer and Decorated Pt@Au Surfaces. Catal. Letts. (2011) 141, 1872-1882.

  • Junluo Feng, Mahasin Alam Sk, Liang Yu Yan, Chang Ming Li, Judeh, Zaher, Yuan Chen, Lain-Jong Li, Kok Hwa Lim, Mary B. Chan-Park, Sorting of Single-Walled Carbon Nanotubes based on metallicity by selective precipitation with polyvinylpyrrolidone, J. Phys. Chem. C, (2011), 115, 5199-5206.

Conferences

  • R. J. Lim, X. Li, K. H. Lim, Effects of O and C on the adsorption of methanol steam reforming intermediates on PdZn (100), ACS 246th National Meeting, Indianapolis, Indiana, September 8-12, 2013 (invited talk)

  • L. Huang, M.A. Sk, K. H. Lim, Band Gap Manipulations of Monolayer Graphene by Chemical Modifications, IC-TEMS 2013, Zhuhai, China, 12-15 Aug 2013 (invited talk)

  • M. A. Sk, K. H. Lim, Theoretical Investigations of Single-walled Carbon Nanotubes, ICMAT 2013, Singapore, Jul 2013.

  • S. Bedoura, H-W. Xi, K. H. Lim, Molecular Design and Theoretical Investigation on of Novel Low band-Gap Thiadiazoloquinoxaline- and Pyrazinoquinoxaline-based Systems.The International Symposium on Exploring the Frontiers of Chemical and Biochemical Engineering, Tsinghua, China, May 2012.

  • H-W. Xi, K. H. Lim, Novel Organic Photonic Material Containing pi-Conjugated System and Si Heteratom and their Bonding Patterns. The International Symposium on Exploring the Frontiers of Chemical and Biochemical Engineering, Tsinghua, China, May 2012

  • S-W Yang, H. Da, H. Jin, K. H. Lim, Half metallic spintronic switch of bimetallic sandwich molecular wire via the control of external electrical field, International Conference on Materials for Advanced Technologies 2011 (ICMAT 2011), Singapore, Jun 2011.

  • M. A. Sk, K. H. Lim, Designing of Half-metallic Germanium Nanowires: A DFT Study, RSCE 2011, Vietnam, Oct 2011.

  • M. A. Sk, M.-F. Ng, S.-W. Yang, K. H. Lim, Evaluations of Electronic and Magnetic Properties of Germanium Nanowires: Effects of Water Adsorption, Chemical Passivations and Surface Defects, Nanoprint 2011, Singapore, Jul 2011.

  • C. Liu, S. K. Kwak, K. H. Lim, Generalized Equilibrium Polyvacancy Concentration. The International Symposium on Exploring the Frontiers of Chemical and Biochemical Engineering, Tsinghua, China, May 2012

Teaching Modules

Chemical Engineering, BEng (Hons)

  • CHE1022 - Organic Chemistry
  • CHE1023 - Organic Chemistry Laboratory

Food Technology, BFoodTech(Hons)

  • FTE1011 - Chemistry for Food Technology

Past

  • CE2401 - Physical Chemistry 2
  • CE2402 - Organic Chemistry 1
  • CE2405 - Organic Chemistry 2
  • CE3830 - Bachelor Thesis
  • CME3109 - Final Year Design Project
  • ACC3902 - CPD2