Dr. Estee Yong

Senior Lecturer
School of Engineering

+603 5514 6241
Room 5-5-25

Personal statement

Dr. Estee received her BEng from University of Sheffield, UK and PhD degree from Naitonal University of Singapore. Her PhD research revolved in the area of material synthesis and catalysis. Her current research interests are Direct Carbon Fuel Cell and Dialysis. The project was funded by Ministry of Education. Dr. Estee is currently supervising one PhD student and one Master student. She has supervised one PhD student and three Master students to completion.

Academic degrees

  • Doctor of Philosophy in Engineering, National University of Singapore, 2008
  • Degree in Chemical Engineering and Fuel Technology, University of Sheffield, 2001

Professional affiliations

Member of National Professional Bodies

Board of Engineering Malaysia, Graduate Member

Research Interests

Direct Carbon fuel Cell, Dialysis.

Research Projects

Title: Electricity generation from direct carbon fuel cell

Direct carbon fuel cell (DCFC) can achieve almost 100 % theoretical efficiency.  Our research team studies the feasibility of biomass waste to be used as DCFC fuel. Waste in its raw state does not possess suitable chemical and physical properties for fueling DCFC. For this purpose, pretreatment such as pyrolysis and acid pretreatment are essential prior to the electrochemical performance testing of the waste.


Units taught

CHE2163 - Heat and Mass Transfer

CHE3161 - Chemistry and Chemical Thermodynamics


Palniandy, Lithnes Kalaivani; Yoon, Li Wan; Wong, Wai Yin; Yong, Siek Ting; Pang, Ming Meng (2019) Application of Biochar derived from different types of biomass and treatment methods as a fuel source for direct carbon fuel cells, Energies, Volume: 12, 10.3390/en12132477

Wen Teh, Yee; Wei Goh, Yien; Ying Kong, Xin; Ng, Boon Junn; Yong, Siek Ting; Chai, Siang Piao (2019) Fabrication of Bi<inf>2</inf>WO<inf>6</inf>/Cu/WO<inf>3</inf> All-Solid-State Z-Scheme Composite Photocatalyst to Improve CO<inf>2</inf> Photoreduction under Visible Light Irradiation, ChemCatChem, Issue Number: 18673880, 10.1002/cctc.201901653

Chew, Jiuan Jing; Soh, Megan; Sunarso, Jaka; Yong, Siek Ting; Doshi, Veena; Bhattacharya, Sankar (2019) Gasification of torrefied oil palm biomass in a fixed-bed reactor: Effects of gasifying agents on product characteristics, Journal of the Energy Institute, Issue Number: 17439671, 10.1016/j.joei.2019.05.010

Song, Cher Pin; Ramanan, Ramakrishnan Nagasundara; Vijayaraghavan, R.; MacFarlane, Douglas R.; Chan, Eng Seng; Show, Pau Loke; Yong, Siek Ting; Ooi, Chien Wei (2018) Effect of salt-based adjuvant on partition behaviour of protein in aqueous two-phase systems composed of polypropylene glycol and cholinium glycinate, Separation and Purification Technology, (281-286), Volume: 196, Issue Number: 13835866, 10.1016/j.seppur.2017.09.017

Chew, Jiuan Jing; Doshi, Veena; Yong, Siek Ting; Bhattacharya, Sankar (2016) Kinetic study of torrefaction of oil palm shell, mesocarp and empty fruit bunch, Journal of Thermal Analysis and Calorimetry, (709-715), Volume: 126, Issue Number: 13886150, 10.1007/s10973-016-5518-3

Ong, Wee Jun; Tan, Lling Lling; Ng, Yun Hau; Yong, Siek Ting; Chai, Siang Piao (2016) Graphitic Carbon Nitride (g-C<inf>3</inf>N<inf>4</inf>)-Based Photocatalysts for Artificial Photosynthesis and Environmental Remediation: Are We a Step Closer to Achieving Sustainability?, Chemical Reviews, (7159-7329), Volume: 116, Issue Number: 00092665, 10.1021/acs.chemrev.6b00075,

Ong, Wee Jun; Putri, Lutfi Kurnianditia; Tan, Lling Lling; Chai, Siang Piao; Yong, Siek Ting (2016) Heterostructured AgX/g-C<inf>3</inf>N<inf>4</inf> (X=Cl and Br) nanocomposites via a sonication-assisted deposition-precipitation approach: Emerging role of halide ions in the synergistic photocatalytic reduction of carbon dioxide, Applied Catalysis B: Environmental, (530-543), Volume: 180, Issue Number: 09263373, 10.1016/j.apcatb.2015.06.053

Phuan, Yi Wen; Chong, Meng Nan; Zhu, Tao; Yong, Siek Ting; Chan, Eng Seng (2015) Effects of annealing temperature on the physicochemical, optical and photoelectrochemical properties of nanostructured hematite thin films prepared via electrodeposition method, Materials Research Bulletin, (71-77), Volume: 69, Issue Number: 00255408, 10.1016/j.materresbull.2014.12.059

Ong, Wee Jun; Tan, Lling Lling; Chai, Siang Piao; Yong, Siek Ting; Mohamed, Abdul Rahman; , 2015, Surface charge modification via protonation of graphitic carbon nitride (g-C<inf>3</inf>N<inf>4</inf>) for electrostatic self-assembly construction of 2D/2D reduced graphene oxide (rGO)/g-C<inf>3</inf>N<inf>4</inf> nanostructures toward enhanced photocatalytic reduction of carbon dioxide to methane, Nano Energy, (757-770), Volume: 13, Issue Number: 22112855, 10.1016/j.nanoen.2015.03.014,

Ong, Wee Jun; Tan, Lling Lling; Chai, Siang Piao; Yong, Siek Ting (2015) Graphene oxide as a structure-directing agent for the two-dimensional interface engineering of sandwich-like graphene-g-C<inf>3</inf>N<inf>4</inf> hybrid nanostructures with enhanced visible-light photoreduction of CO<inf>2</inf> to methane, Chemical Communications, (858-861), Volume: 51, Issue Number: 13597345, 10.1039/c4cc08996k

Show, Pau Loke; Ling, Tau Chuan; Lan, John C.W.; Tey, Beng Ti; Ramanan, Ramakrishnan N.; Yong, Siek Ting; Ooi, Chien Wei (2015) Review of microbial lipase purification using aqueous two-phase systems, Current Organic Chemistry, (19-29), Volume: 19, Issue Number: 13852728, 10.2174/1385272819666141107225446

Ong, Wee Jun; Tan, Lling Lling; Chai, Siang Piao; Yong, Siek Ting (2014) Heterojunction engineering of graphitic carbon nitride (g-C<inf>3</inf>N<inf>4</inf>) via Pt loading with improved daylight-induced photocatalytic reduction of carbon dioxide to methane, Dalton Transactions, (1249-1257), Volume: 44, Issue Number: 14779226, 10.1039/c4dt02940b

Ong, Wee Jun; Tan, Lling Lling; Chai, Siang Piao; Yong, Siek Ting; Mohamed, Abdul Rahman (2014) Self-assembly of nitrogen-doped TiO<inf>2</inf> with exposed {001} facets on a graphene scaffold as photo-active hybrid nanostructures for reduction of carbon dioxide to methane, Nano Research, (1528-1547), Volume: 7, Issue Number: 19980124, 10.1007/s12274-014-0514-z

Ong, Wee Jun; Tan, Lling Lling; Chai, Siang Piao; Yong, Siek Ting; Mohamed, Abdul Rahman (2014) Facet-dependent photocatalytic properties of TiO<inf>2</inf>-based composites for energy conversion and environmental remediation, ChemSusChem, (690-719), Volume: 7, Issue Number: 18645631, 10.1002/cssc.201300924

Ong, Wee Jun; Tan, Lling Lling; Chai, Siang Piao; Yong, Siek Ting; Mohamed, Abdul Rahman (2014) Highly reactive {001} facets of TiO<inf>2</inf>-based composites: Synthesis, formation mechanism and characterization, Nanoscale, (1946-2008), Volume: 6, Issue Number: 20403364, 10.1039/c3nr04655a,

Ong, Wee Jun; Yeong, Jia Jun; Tan, Lling Lling; Goh, Boon Tong; Yong, Siek Ting; Chai, Siang Piao (2014) Synergistic effect of graphene as a co-catalyst for enhanced daylight-induced photocatalytic activity of Zn<inf>0.5</inf>Cd<inf>0.5</inf>S synthesized via an improved one-pot co-precipitation-hydrothermal strategy, RSC Advances, (59676-59685), Volume: 4, 10.1039/c4ra10467f

Ong, Wee Jun; Voon, Seen Yee; Tan, Lling Lling; Goh, Boon Tong; Yong, Siek Ting; Chai, Siang Piao (2014) Enhanced daylight-induced photocatalytic activity of solvent exfoliated graphene (SEG)/ZnO hybrid nanocomposites toward degradation of Reactive Black 5, Industrial and Engineering Chemistry Research, (17333-17344), Volume: 53, Issue Number: 08885885, 10.1021/ie5027088

Yong, S. T.; Ooi, C. W.; Chai, S. P.; Wu, X. S.; , (2013) Review of methanol reforming-Cu-based catalysts, surface reaction mechanisms, and reaction schemes, International Journal of Hydrogen Energy, (9541-9552), Volume: 38, Issue Number: 03603199, 10.1016/j.ijhydene.2013.03.023

Yong, S. T.; Hidajat, K.; Kawi, S. (2008) The roles of Cu, Zn and Mn in Cu<inf>0.5</inf>Zn<inf>0.5</inf>Mn<inf>2</inf>O<inf>4</inf> spinel-lattice catalyst for methanol decomposition, Catalysis Today, (188-196), Volume: 131, Issue Number: 09205861, 10.1016/j.cattod.2007.10.042

Yong, S. T.; Hidajat, K.; Kawi, S. (2004) Reaction study of auto thermal steam reforming of methanol to hydrogen using a novel nano CuZnAl-catalyst, Journal of Power Sources, (91-95), Volume: 131, Issue Number: 03787753, 10.1016/j.jpowsour.2004.01.027


Lim, Mee Wei; Yong, Siek Ting; Chai, Siang Piao (2014) Combustion-synthesized nickel-based catalysts for the production of hydrogen from steam reforming of methane, Energy Procedia, (910-913), Volume: 61, Issue Number: 18766102, 10.1016/j.egypro.2014.11.993

Lim, Shu Hong; Yong, Siek Ting; Ooi, Chien Wei; Chai, Siang Piao; Doshi, Veena; Daud, Wan Ramli Wan (2014) Pyrolysis of Palm waste for the application of direct carbon fuel cell, Energy Procedia, (878-881), Volume: 61, Issue Number: 18766102, 10.1016/j.egypro.2014.11.986,

Local grants

  • Application of palm waste in direct carbon fuel cell, Yong Siek Ting, Ooi Chien Wei, 2013- 2016, MOSTI, RM301,100

International grants

  • Control mobility of polymer chain for the transport of hydrogen atoms across post-treated hollow fiber, Yong Siek Ting, Ooi Chien Wei, Chai Siang Piao, 2014-2017, MOHE, RM76,900

Current supervision

Nurul Arfain

Pretreatment of palm shell for the application in direct carbon fuel cell


Monash University Malaysia

Wong Lai Ling

Functionalized hollow fiber for dialysis


Monash University Malaysia

Completed supervision

Chiew Jiuan Jing

Torrefaction of Palm waste


Monash University Malaysia

Khor Hong Weng

Current collector for Direct Carbon Fuel Cell


Monash University Malaysia

Yeo Siek Lin

Hollow Fiber for Hydrogen Permeation


Monash University Malaysia

Lim Shu Hong

Pretreatment of palm waste for the application in direct carbon fuel cell


Monash University Malaysia

Local Award/Recognition/Exhibition/Stewardship

  • Pro-Vice Chancellor Award Excellence in Research (Open Category) - Monash University Malaysia, 2014

International Award/Recognition/Exhibition/Stewardship

  • Patent submitted (PI 2016703272) Certificate of Filing and Preliminary Examination – Clear Formalities Report - MyIPO, 2016