Universiti Tunku Abdul Rahman

Prof. Dr Chong Kok Keong

journal article

Tonni Agustiono Kurniawan, Waihung Lo, Xue Liang, Hui Hwang Goh, Mohd Hafiz Dzarfan Othman, "Remediation technologies for contaminated groundwater due to arsenic (As), mercury (Hg), and/or fluoride (F): A critical review and way forward to contribute to carbon neutrality", SEPARATION AND PURIFICATION TECHNOLOGY, Elsevier, Volume 314, pp 1-21, February 2023 (ISSN: 1383-5866).
Tonni Agustiono Kurniawan, Wai-Hung Lo, Xue Liang, Hui Hwang Goh, Mohd Hafiz Dzarfan Othman, "Heavy Metal Removal from Aqueous Solutions Using Biomaterials and/or Functional Composites: Recent Advances and the Way Forward in Wastewater Treatment Using Digitalization", Journal of Composites Science, MDPI - Publisher of Open Access Journals, Volume 7, Issue 84, pp 1-15, February 2023 (ISSN: 2504-477X).
An-Chow Lai, Ming-Cheng Ho, Kok-Keong Chong, Ming-Hui Tan, Boon-Han Lim, "Novel Algorithm for Improving Tracking Accuracy of Open-Loop Mobile Sun-Tracking System via Different Timing Control Scheme", INTERNATIONAL JOURNAL OF PHOTOENERGY, Hindawi, pp 1-16, January 2023 (ISSN: 1110-662X).
Tonni Agustiono Kurniawan, Mohd Hafiz Dzarfan Othman, Xue Liang, Hui Hwang Goh, Petros Gikas, "Challenges and opportunities for biochar to promote circular economy and carbon neutrality", JOURNAL OF ENVIRONMENTAL MANAGEMENT, ELSEVIER, Volume 332, pp 1-12, January 2023 (ISSN: 0301-4797).
Kai Jeat Hong, Nur Farah Hanun Wira, Nur Elmira Melissa Binti Hilmi Rizal, Nour Attallah Issa, Kam Sheng Lau, "Structural modification and conductivity enhancement of NiCl2 incorporated P3HT: PC60BM based organic photoactive layer", OPTICAL MATERIALS, ELSEVIER, Volume 142, Issue 11409, pp 1-8, July 2023 (ISSN: 0925-3467).
Kai Jeat Hong, Sin Tee Tan, Kam Sheng Lau, Chi Chin Yap, Chun Hui Tan, "Interfacial modification of LiF-incorporated MnO2 mixed P3HT: PC60BM-based organic photoactive layer", OPTICAL MATERIALS, ELSEVIER, Volume 144, Issue 11434, pp 1-9, September 2023 (ISSN: 0925-3467).
Zirwa Fayyaz, Muhammad Akhyar Farrukh, Anwar Ul-Hamid, Kok-Keong Chong, "Elucidating the structural, catalytic, and antibacterial traits of Ficus carica and Azadirachta indica leaf extract-mediated synthesis of the Ag/CuO/rGO nanocomposite", MICROSCOPY RESEARCH AND TECHNIQUE, Wiley, Volume 87, Issue 5, pp 957-976, December 2023 (ISSN: 1059-910X).
Shahana Akbar, Muhammad Akhyar Farrukh, Kok-Keong Chong, "Facile Synthesis of Gd2O3/rGO Nanocomposite: Optical, Thermal, Morphological, Structural, and Catalytic Studies", Russian Journal of Physical Chemistry A, springer, Volume 97, Issue 4, pp 722-734, April 2023 (ISSN: 0036-0244).
Sridhar Sripadmanabhan Indira, Chockalingam Aravind Vaithilingam, Kuldeep Kaur Randhawa, Ramsundar Sivasubramanian, Kok-Keong Chong, "Mathematical modelling, performance evaluation and exergy analysis of a hybrid photovoltaic/thermal-solar thermoelectric system integrated with compound parabolic concentrator and parabolic trough concentrator", APPLIED ENERGY, Elsevier, May 2022 (ISSN: 0306-2619).
Nour Attallah Issa, Chi Chin Yap, Sin Tee Tan, Kai Jeat Hong, Kam Sheng Lau, "Photovoltaic performance improvement of organic solar cell with ZnO nanorod arrays as electron transport layer using carbon quantum dots-incorporated photoactive layer", OPTICAL MATERIALS, ELSEVIER, Volume 132, pp 1-8, August 2022 (ISSN: 0925-3467).
Sridhar Sripadmanabhan Indira, Chockalingam Aravind Vaithilingam, Ramsundar Sivasubramanian, Kok-Keong Chong, Kulasekharan Narasingamurthi, "Prototype of a novel hybrid concentrator photovoltaic/thermal and solar thermoelectric generator system for outdoor study", RENEWABLE ENERGY, ELSEVIER, Volume 201, pp 224-239, October 2022 (ISSN: 0960-1481).
Tonni Agustiono Kurniawan, Waihung Lo, Mohd Hafiz Dzarfan Othman, Hui Hwang Goh, Kok-Keong Chong, "Biosorption of heavy metals from aqueous solutions using activated sludge, Aeromasss hydrophyla, and Branhamella spp based on modeling with GEOCHEM", ENVIRONMENTAL RESEARCH, ELSEVIER, Issue 11407, pp 1-11, August 2022 (ISSN: 0013-9351).
Aisha Ishtiaq, Muhammad Akhyar Farrukh, Atta ur Rehman, Shafqat Karim, Kok-Keong Chong, "Facile synthesis of zwitterionic surfactant-assisted molybdenum oxide/reduced graphene oxide nanocomposite with enhanced photocatalytic and antimicrobial activities", JOURNAL OF THE CHINESE CHEMICAL SOCIETY, Wiley, Volume 69, Issue 2, pp 269-279, December 2021 (ISSN: 0009-4536).
Manjeevan Seera, Choo Jun Tan, Kok-Keong Chong, Chee Peng Lim, "Performance analyses of various commercial photovoltaic modules based on local spectral irradiances in Malaysia using genetic algorithm", ENERGY, Elsevier, Volume 223, pp 1-11, January 2021 (ISSN: 0360-5442).
Nneka Obianuju Onubogu, Kok-Keong Chong, Ming-Hui Tan, "Review of Active and Passive Daylighting Technologies for Sustainable Building", INTERNATIONAL JOURNAL OF PHOTOENERGY, Hindawi, Volume 2021, Issue 88026, pp 1-27, October 2021 (ISSN: 1110-662X).
Sridhar Sripadmanabhan Indira, C.A. Vaithilingam, Ramsundar Sivasubramanian, "Optical performance of a hybrid compound parabolic concentrator and parabolic trough concentrator system for dual concentration", Sustainable Energy Technologies and Assessments, elsevier, Volume 47, Issue 10153, pp 1-20, August 2021 (ISSN: 2213-1388).
Ming-Hui Tan, Tze-Koon Wang, Chee-Woon Wong, Kok-Keong Chong, Boon-Han Lim, "Comprehensive Methodology to Evaluate Parasitic Energy Consumption for Different Types of Dual-Axis Sun Tracking Systems", INTERNATIONAL JOURNAL OF PHOTOENERGY, Hindawi, Volume 2021, pp 1-12, November 2021 (ISSN: 1110-662X).
Afshin Aslian, Kok-Keong Chong, Seyed Hassan Tavassoli, Chin-Joo Tan, Omid Badkoobe Hazave, "Rectangular Glass Optical Fiber for Transmitting Sunlight in a Hybrid Concentrator Photovoltaic and Daylighting System", INTERNATIONAL JOURNAL OF PHOTOENERGY, Hindawi, Volume 2020, pp 1-15, October 2020 (ISSN: 1110-662X).
Boon-Han Lim, Chern-Sing Lim, Hu Li, Xing-Lan Hu, Kok-Keong Chong, "Industrial design and implementation of a large-scale dual-axis sun tracker with a vertical-axis-rotating-platform and multiple-row-elevation structures", SOLAR ENERGY, www.elsevier.com/locate/solener, Volume 199, pp 596-616, February 2020 (ISSN: 0038-092X).
PEI-SHAN LEE, CHEE-WOON WONG, MING-HUI TAN, KOK-KEONG CHONG, "Comprehensive analysis on assembly of dielectric filled crossed compound parabolic concentrator and concentrator photovoltaic module", APPLIED OPTICS, Optical Society of America, April 2020 (ISSN: 1559-128X).
Sridhar Sripadmanabhan Indira, Chockalingam Aravind Vaithilingam, Kok-Keong Chong, R. Saidur, M. Faizal, "A review on various configurations of hybrid concentrator photovoltaic and thermoelectric generator system", SOLAR ENERGY, WWW.ELSEVIER.COM/LOCATE/SOLENER, Volume 201, pp 122-148, May 2020 (ISSN: 0038-092X).
Li-Voon Oon, Ming-Hui Tan, Chee-Woon Wong, Kok-Keong Chong, "Optimization study of solar farm layout for concentrator photovoltaic system on azimuth-elevation sun-tracker", SOLAR ENERGY, Elsevier, Volume 204, pp 726-737, May 2020 (ISSN: 0038-092X).
Ming-Hui Tan, Tze-Koon Wang, Chee-Woon Wong, Boon-Han Lim, Tiong-Keat Yew, "Optimization Study of Parasitic Energy Losses in Photovoltaic System with Dual-Axis Solar Tracker Located at Different Latitudes", Energy Procedia, Elsevier, Volume 158, pp 302-308, February 2019 (ISSN: 1876-6102).
Nneka Obianuju Onubogu, Kok-Keong Chong, Chee-Woon Wong, Tiong-Keat Yew, Boon-Han Lim, "Optical characterization of two-stage non-imaging solar concentrator for active daylighting system", SOLAR ENERGY, Elsevier, Volume 185, pp 24-33, June 2019 (ISSN: 0038-092X).
Kai Jeat Hong, Sin Tee Tan, Kok-Keong Chong, Chi Chin Yap, Mohammad Haﬁzuddin Hj Jumali, "Numerical analysis with experimental veriﬁcation to predict outdoor power conversion efﬁciency of inverted organic solar devices", RENEWABLE ENERGY, Elsevier, Volume 135, pp 589-596, May 2019 (ISSN: 0960-1481).
Kok-Keong Chong, Woei-Chong Tan, Chee-Woon Wong, Tiong-Keat Yew, Ming-Hui Tan, "Theoretical Analysis of Hybrid Dense-Array Concentrator Photovoltaic and Stirling Engine System", Energy Procedia, Elsevier, Volume 158, pp 284-290, February 2019 (ISSN: 1876-6102).
Chia-Yi Mah, Boon-Han Lim, Chee-Woon Wong, Ming-Hui Tan, Kok-Keong Chong, "Investigating the Performance Improvement of a Photovoltaic System in a Tropical Climate using Water Cooling Method", Energy Procedia, Elsevier, Volume 159, pp 78-83, February 2019 (ISSN: 1876-6102).
Muhammad Akhyar Farrukh, Komal Mehmood Butt, Kok-Keong Chong, Wei Sea Chang, "Photoluminescence emission behavior on the reduced band gap of Fe doping in CeO 2 -SiO 2 nanocomposite and photophysical properties", Journal of Saudi Chemical Society, Elsevier, Volume 23, Issue 5, pp 561-575, July 2019 (ISSN: 1319-6103).
Kai Jeat Hong, Sin Tee Tan, Kok-Keong Chong, Hock Beng Lee, Riski Titian Ginting, "Synergy study on charge transport dynamics in hybrid organic solar cell: Photocurrent mapping and performance analysis under local spectrum", CURRENT APPLIED PHYSICS, Elsevier, Volume 18, pp 1564-1570, December 2018 (ISSN: 1567-1739).
Yiying Qin, Zhiqiang Hu, Boon Han Lim, Bin Yang, Kok-Keong Chong, "Performance improvement of dye-sensitized solar cell by introducing Sm3 +/Y3 + co-doped TiO2 film as an efficient blocking layer", Thin Solid Films, ELSEVIER, Volume 631, pp 141-146, May 2017 (ISSN: 0040-6090).
Ming-Hui Tan, Kok-Keong Chong, "Rectifying structural deﬂection effect of large solar concentrator via correction of sun-tracking angle in the concentrator photovoltaic system", Solar Energy, elsevier, Volume 148, pp 140-148, May 2017 (ISSN: 0038-092X).
Woei-Chong Tan, Kok-Keong Chong, Ming-Hui Tan, "Performance study of water-cooled multiple-channel heat sinks in the application of ultra-high concentrator photovoltaic system", Solar Energy, ELSEVIER, Volume 147, pp 314-327, May 2017 (ISSN: 0038-092X).
Kok-Keong Chong, "Dense-array concentrator photovoltaic prototype using non-imaging dish concentrator and an array of cross compound parabolic concentrators", Applied energy, Elsevier, Volume 204, pp 898-911, October 2017 (ISSN: 0306-2619).
Ming-Cheng Ho, An-Chow Lai, "Design and Construction of Prototype Mobile Sun-Tracking System for Concentrator Photovoltaic System", Energy Procedia, Elsevier, Volume 142, pp 736-742, December 2017 (ISSN: 1876-6102).
Nneka Obianuju Onubogu, Tiong-Keat Yew, Chee-Woon Wong, Woei-Chong Tan, "Design and construction of active daylighting system using two-stage non-imaging solar concentrator", Applied Energy, Elsevier, Volume 207, pp 45-60, December 2017 (ISSN: 0306-2619).
Kok-Keong Chong, Petr P. Khlyabich, Marcos Reyes-Martinez, Barry P. Rand, Yueh-Lin Loo, "Comprehensive method for analyzing the power conversion efficiency of organic solar cells under different spectral irradiances considering both photonic and electrical characteristics", Applied Energy, ELSEVIER, August 2016 (ISSN: 0306-2619).
Woei-Chong Tan, Kok-Keong Chong, "Simplification of heat transfer modelling for open cell copper foam by using single-direction aligned cylinder-bank geometry", Applied Thermal Enginering Journal, ELSEVIER, Volume 107, pp 1192-1200, August 2016 (ISSN: 1359-4311).
Yiying Qin, Zhiqiang Hu, Boon Han Lim, Wei Sea Chang, Haitao Zhang, "Sol-hydrothermal synthesis of TiO2:Sm3+ nanoparticles and their enhanced photovoltaic properties", Journal of Alloys and Compounds, ELSEVIER, Volume 685, pp 803-809, November 2016 (ISSN: 0925-8388).
Boon-Han Lim, Chern-Sing Lim, An-Chow Lai, "Latitude-orientated mode of non-imaging focusing heliostat using spinning-elevation tracking method", SOLAR ENERGY, ELSEVIER, Volume 135, pp 253-264, October 2016 (ISSN: 0038-092X).
Min-Hui Tan, Kok-Keong Chong, "Inﬂuence of self-weight on electrical power conversion of dense-array concentrator photovoltaic system", RENEWABLE ENERGY, elsevier, Volume 87, pp 445-456, November 2015 (ISSN: 0960-1481).
Chee-Woon Wong, Ming-Hui Tan, "Performance Optimization of Dense-Array Concentrator Photovoltaic System Considering Effects of Circumsolar Radiation and Slope Error", OPTICS EXPRESS, OSA, Volume 23, Issue 15, pp 842-857, June 2015 (ISSN: 1094-4087).
Tiong-Keat Yew, Kok-Keong Chong, Boon-Han Lim, "Performance study of crossed compound parabolic concentrator as secondary optics in non-imaging dish concentrator for the application of dense-array concentrator photovoltaic system", SOLAR ENERGY, ELSEVIER, Volume 120, pp 256-369, July 2015 (ISSN: 0038-092X).
Chee-Woon Wong, Kok-Keong Chong, "Solar ﬂux distribution study of non-imaging dish concentrator using linear array of triple-junction solar cells scanning technique", SOLAR ENERGY, ELSEVIER, Volume 125, pp 86-98, December 2015 (ISSN: 0038-092X).
Fei-Lu Siaw, Kok-Keong Chong, Chee-Woon Wong, "A comprehensive study of dense-array concentrator photovoltaic system using non-imaging planar concentrator", Renewable Energy, Elsevier Ltd., Volume 62, pp 542-555, January 2014 (ISSN: NIL).
Ming-Hui Tan, Kok-Keong Chong, Chee-Woon Wong, "Optical characterization of nonimaging dish concentrator for the application of dense-array concentrator photovoltaic system", APPLIED OPTICS, Optical Society of America, Volume 53, Issue 3, pp 475-486, January 2014 (ISSN: NIL).
Fei-Lu Siaw, Kok-Keong Chong, "A Systematic Method of Interconnection Optimization for Dense-Array Concentrator Photovoltaic System", The ScientificWorld Journal, Hindawi Publishing Corporation, Volume 2013, pp 1-11, December 2013 (ISSN: NIL).
Kok-Keong Chong, Sing-Liong Lau, Tiong-Keat Yew, Philip Chee-Lin Tan, "Design and development in optics of concentrator photovoltaic system", Renewable and Sustainable Energy Reviews, www.elsevier.com, Volume 19, pp 598-612, January 2013 (ISSN: 1364-0321).
Kok-Keong Chong, Woei-Chong Tan, "Study of automotive radiator cooling system for dense-array concentration photovoltaic system", Solar Energy, Elsevier (ScienceDirect), Volume 86, Issue 1, pp 2632-2643, September 2012 (ISSN: NIL).
Kok-Keong Chong, "Editorial ?Non-Imaging Focusing Technology for the Application in Concentrator Photovoltaic System", J. Adv Robot Autom., OMICS Publishing Group, Volume 1, Issue 3, pp 1, November 2012 (ISSN: 2168-9695).
K.-K. Chong, M. H. Tan, "Comparison Study of Two Different Sun-TrackingMethods in Optical Efficiency of Heliostat Field", International Journal of Photoenergy, Hindawi Publishing Corporation, Volume 2012, pp 1-10, January 2012 (ISSN: NIL).
Le-Yan Chin, Kok-Keong Chong, "Study of high power light emitting diode (LED) lighting system in accelerating the growth rate of Lactuca sativa for indoor cultivation", International Journal of Physical Sciences, Academic Journals, Volume 7, Issue 11, pp 1773-1781, March 2012 (ISSN: 1992 - 19).
Kok-Keong Chong, "Sun-Tracking System in Solar Energy Application", Advances in Robotics & Automation, OMICS Publishing Group, Volume 1, Issue 1, pp 1, May 2012 (ISSN: NIL).
K.K. Chong, K.G. Chay, K.H. Chin, "Study of a solar water heater using stationary V-trough collector", Renewable Energy, elsevier, Volume 39, pp 207-215, January 2012 (ISSN: NIL).
K. K. Chong, T. K. Yew, C. W. Wong, S. L. Lau, "Study of image quality of mirror via solar flux distribution measurement using a high speed optical scanner", APPLIED OPTICS, Optical Society of America, Volume 50, Issue 25, pp 4927-4935, September 2011 (ISSN: NIL).
K.K. Chong, M.H. Tan, "Range of motion study for two different sun-tracking methods in the application of heliostat field", Solar Energy, Elsevier (ScienceDirect), Volume 85, pp 1837-1850, August 2011 (ISSN: NIL).
K. K. Chong, T. K. Yew, "Novel Optical Scanner Using Photodiodes Array for Two-Dimensional Measurement of Light Flux Distribution", IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, IEEE Xplore, Volume 60, Issue 8, pp 2918-2925, August 2011 (ISSN: NIL).
K.K. Chong, C.Y. Lim, C.W. Hiew, "Cost-effective solar furnace system using fixed geometry Non-Imaging Focusing Heliostat and secondary parabolic concentrator", Renewable Energy, Elsevier (ScienceDirect), Volume 36, pp 1595-1602, July 2011 (ISSN: NIL).
K. K. Chong, C.W. Wong, "Application of On-Axis General Sun-Tracking Formula in Open-Loop Sun-Tracking System for Achieving Tracking Accuracy of below 1 mrad", International Journal of Energy Engineering, Scientific & Academic Publishing, Volume 1, Issue 1, pp 25-32, August 2011 (ISSN: NIL).
Kok-Keong Chong, "Optimization of nonimaging focusing heliostat in dynamic correction of astigmatism for a wide range of incident angles", OPTICS LETTERS / Vol. 35, No. 10 / May 15, 2010, Optical Society of America, Volume 35, Issue 10, pp 1614-1616, May 2010 (ISSN: NIL).
K. K. Chong, C. W. Wong, F. L. Siaw, T. K. Yew, "Optical Characterization of Nonimaging Planar Concentrator for the Application in Concentrator Photovoltaic System", Journal of Solar Energy Engineering, ASME, Volume 132, Issue 01101, pp 1-9, February 2010 (ISSN: NIL).
K.K. Chong, "Optical analysis for simplified astigmatic correction of non-imaging focusing heliostat", Solar Energy 84, www.elsevier.com, Volume 84, pp 1356-1365, July 2010 (ISSN: NIL).
K.K. Chong, F.L. Siaw, C.W. Wong, G.S. Wong, "Design and construction of non-imaging planar concentrator for concentrator photovoltaic system", Renewable Energy, Elsevier (ScienceDirect), Volume 34, pp 1364-1370, January 2009 (ISSN: NIL).
K.K. Chong, C.W. Wong, "General formula for on-axis sun-tracking system and its application in improving tracking accuracy of solar collector", Solar Energy/Science Direct, Elsevier (ScienceDirect), Volume 83, pp 298-305, January 2009 (ISSN: NIL).
Kok-Keong Chong, Chee-Woon Wong, Fei-Lu Siaw, Tiong-Keat Yew, See-Seng Ng, "Integration of an On-Axis General Sun-Tracking Formula in the Algorithm of an Open-Loop Sun-Tracking System", Sensors, www.mdpi.com, Volume 9, pp 7849-7865, September 2009 (ISSN: NIL).
CHEN Ying-Tian, ZHANG Yang, HU Sen, Ho Tso-Hsiu, Kok Keong Chong, "Digitalized Mirror Array and Its Application in Large Telescope: Principle and Case Studies", Commun. Theor. Phys. (Beijing, China), Chinese Physical Society and IOP Publishing Ltd, Volume 52, pp 750-760, July 2009 (ISSN: NIL).
K. K. Chong , B. H. Lim, C. S. Lim and Y. T. Chen, "An instrumentation technique in site selection of gravitational wave observatory: The study of geological structure to infl uence seismic noise level", Journal of Science and Technology in the Tropics, Academi Sains Malaysia, COSTAM, Volume 3, pp 101-105, December 2007 (ISSN: NIL).
K.K.Chong, B.K. Tan and Jasmy Yunus, "Characteristic study of hot spot in the new solar furnace comprising of non-imaging focusing heliostat and parabolic reflector", Journal of Science and Technology in the Tropics, COSTAM and ASM, Volume 2, Issue 1, pp 27-34, June 2006 (ISSN: NIL).
Y. T. Chen, K. K. Chong, C. S. Lim, B. H. Lim, B. K. Tan, "Report on the second prototype of non-imaging focusing heliostat and its application in food processing", Solar Energy, Elsevier Science Ltd (ScienceDirect), Volume 79, Issue 3, pp 280-289, September 2005 (ISSN: NIL).
CHONG KOK KEONG, "Comparison of two sun tracking methods in the application of a heliostat field", Journal of solar energy engineering, The American Society of Mechanical Engineers (ASME), Volume 126, pp 638-644, February 2004 (ISSN: NIL).
CHONG KOK KEONG, "High precision (1 part in 10^4) reflectivity measurement for the study of reflective materials used in solar collectors", Solar Energy Materials & Solar Cells, Elsevier Science Ltd (ScienceDirect), Volume 80, pp 305-314, May 2003 (ISSN: NIL).
CHONG KOK KEONG, "study of residual aberration for non-imaging focusing heliostat", solar energy materials & solar cells, elsevier science Ltd, Volume 79, pp 1-20, January 2003 (ISSN: NIL).
CHONG KOK KEONG, "Report of the first prototype of non-imaging focusing heliostat and its application in high temperature solar furnace", Solar Energy, Elsevier Science Ltd (ScienceDirect), Volume 72, Issue 6, pp 531-544, June 2002 (ISSN: NIL).
CHONG KOK KEONG, "Non-Imaging Focusing Heliostat", Solar Energy, Elsevier Science Ltd, Volume 71, Issue 3, pp 155-164, June 2001 (ISSN: NIL).
N. KAWASHIMA, R. TAKAHASHI, K. K. CHONG, B. H. LIM, Y.T. CHEN, "Seismic Activity Measurement of 100m Laser Interferometer Gravitational Wave Antenna Development Site in Universiti Teknologi Malaysia.", Journal of the Faculty of Science and Technology, Kinki University, Kinki University, Volume 36, Issue 1, pp 27-30, January 2000 (ISSN: 0386-4928).
Y. T. Chen, N. Kawashima, M. Othman, S. P. Chia, B. Sanugi, "Gravitational wave detection in the laboratory", Malaysian Journal of Physics (Jurnal Fizik Malaysia), Malaysian Institute of Physics (IFM), Volume 19, Issue 3, pp 69-82, September 1998 (ISSN: NIL).

conference proceedings

Son Qian Liew, Kok-Keong Chong, Comprehensive Modelling for Analyzing the Power Conversion Efficiency of Polycrystalline Silicon Photovoltaic Device under Indoor Operating Conditions, IOP Conference Series: Materials Science and Engineering, February 2023 (ISSN: 1757-899X).
Kok-Keong Chong, Son Qian Liew, Tonni Agustiono Kurniawan, Up-conversion Nanoparticle Perovskite Photovoltaic Device under Indoor LED and Outdoor Local Spectral Irradiances, 2023 IEEE Conference on Energy Conversion (CENCON), October 2023 (ISBN: 979-8-3503-2510-2).
Kok-Keong Chong, Guan-Zhen Wong, Solar powered a wearable Electrocardiography (ECG) device with battery storage, IOP Conference Series: Earth and Environmental Science, December 2021 (ISBN: 1755-1315).
Kai Jeat Hong, Kok-Keong Chong, Sin Tee Tan, Chi Chin Yap, ANALYTICAL METHODOLOGY WITH EXPERIMENTAL VERIFICATION TO PREDICT OUTDOOR POWER CONVERSION EFFICIENCY, International Conference on Applied Energy 2019, Sweden, 12-15 August 2019 (ISBN: 1876-6102).
Kok-Keong Chong, Kok-Yik Lee, Yi-Sheng Chua, Boon-Han Lim, Ming-Hui Tan, Stand-alone Solar Photovoltaic System and Its Application in Mist Cooling of Vehicle, IEEE CSUDET 2019, Penang, 7-9 November 2019 (ISSN: 1803?7232).
Chia Yi Mah, Boon Han Lim, Chee Woon Wong, Ming Hui Tan, Kok Keong Chong, Performance Improvement Optimization of a Photovoltaic System located at the Tropical Climate using Water Film Cooling Method, The International Conference on Sustainable Energy and Green Technology 2018, Kuala Lumpur, 11-14 December 2018 (ISSN: 1755-1315).
Nneka Obianuju Onubogu, Kok-Keong Chong, Comprehensive analysis of active and passive daylighting towards power savings in an office room, The International Conference on Sustainable Energy and Green Technology 2018, Kuala Lumpur, 11-14 December 2018 (ISSN: 1755-1315).
Li-Voon Oon, Ming-Hui Tan, Chee-Woon Wong, Tiong-Keat Yew, Kok-Keong Chong, Space optimization of concentrator photovoltaic systems based on levelized cost of electricity in solar power plant, The International Conference on Sustainable Energy and Green Technology 2018, Kuala Lumpur, 11-14 December 2018 (ISSN: 1755-1315).
Pei-Shan Lee, Chee-Woon Wong, Tiong-Keat Yew, Ming-Hui Tan, Kok-Keong Chong, Optical and Electrical Performance Evaluation of Crossed Compound Parabolic Concentrator for the Application of Ultra-High Concentrator Photovoltaic System., The International Conference on Sustainable Energy and Green Technology 2018, Kuala Lumpur, 11-14 December 2018 (ISSN: 1755-1315).
M.H. Tan, T.K. Wang, C.W. Wong, B.H. Lim, K.K. Chong, STUDY OF PARASITIC ENERGY LOSSES IN PHOTOVOLTAIC SYSTEM WITH DUAL-AXIS SOLAR TRACKER LOCATED AT DIFFERENT LATITUDES, 6TH CONFERENCE ON EMERGING ENERGY AND PROCESS TECHNOLOGY 2017�(CONCEPT�2017), Johor Bahru, 27-28 November 2017 (ISSN: 1618-9558).
Nneka Obianuju Onubogu, Kok-Keong Chong, COMPREHENSIVE ANALYSIS OF ACTIVE AND PASSIVE DAYLIGHTING CONTRIBUTION TOWARDS POWER SAVINGS IN AN OFFICE ROOM, 6th Conference on Emerging Energy and Process Technology (CONCEPT 2017), Johor Bahru, 27-28 November 2017 (ISSN: 1618-9558).
C-W Wong, T-K Yew, K-K Chong, Design optimization of ultra-high concentrator photovoltaic system using two-stage non-imaging solar concentrator, IOP Conference Series: Earth and Environmental Science, Kunming, China, 22-25 September 2017 (ISSN: 1755-1315).
Kok-Keong CHONG, Woei-Chong TAN, Ming-Hui TAN, Chee-Woon WONG, Tiong-Keat YEW, Hybrid Concentrator Photovoltaic-Thermal System using Low Temperature Differential Stirling Engine, Sustainable energy technologies 2017, Bologna, Italy, 17-20 July 2017 (ISSN: 1748-1325).
Wasif Ali Khana, Boon-Han Lim, An-Chow Lai, A novel anti-theft security system for photovoltaic modules, International Symposium Green and Sustainable Technology (ISGST 2017), UTAR Kampar campus, 10 April 2017-13 January 2017 (ISSN: 10200248).
Yihong Wong, Yeong-Jin King, An-Chow Lai, Boon-Han Lim, Feasibility study of tuned liquid column damper for ocean wave energy extraction, International Symposium Green and Sustainable Technology (ISGST2017), Kampar, Perak, Malaysia, 10 April 2017-13 January 2017 (ISSN: 10200248).
Onubogu Nneka Obianuju, High acceptance angle optical fiber based daylighting system using two-stage reflective non-imaging dish concentrator, 8th International Conference on Applied Energy, Beijing, China, 8-11 October 2016 (ISSN: 1876-6102).
Tiong-Keat Yew, Chee-Woon Wong, Ming-Hui Tan, Boon-Han Lim, An-Chow Lai, Prototype of dense-array concentrator photovoltaic system using non-imaging dish concentrators and cross compound parabolic concentrator, 8th International Conference on Applied Energy, Beijing, china, 8-11 October 2016 (ISSN: 1876-6102).
Ming-Hui Tan, Sun-tracking method for correcting self-weight induced optical misalignment in dense-array concentrator photovoltaic system, 8th International Conference on Applied Energy, Beijing, China, 8-11 October 2016 (ISSN: 1876-6102).
Tiong-Keat Yew, Chee-Woon Wong, Faidz Abdul Rahman, Boon-Han Lim, An-Chow Lai, Dense-Array Concentrator Photovoltaic System using Non-Imaging Dish Concentrator and Crossed Compound Parabolic Concentrator, National Physics Conference 2014 (PERFIK 2014), 24 April 2015 (ISSN: ).
Ming-Hui Tan, New computational code for two tracking methods to analyze shadowing and blocking efficiencies of heliostat field, 2014 OSA Optics & Photonics Congress, Australia National University, Canberra, Australia, 2-5 December 2014 (ISSN: ).
An-Chow Lai, Boon-Han Lim, Ming-Cheng Ho, See-Hao Yap, Chun-Kit Heng, A Generic Sun-Tracking Algorithm for On-Axis Solar Collector in Mobile Platforms, NATIONAL PHYSICS CONFERENCE 2014 (PERFIK 2014), Sunway Resort Hotel and Spa , Kuala Lumpur, Malaysia, 18-19 November 2014 (ISSN: ).
Chee-Woon Wong, Ming-Hui Tan, Tiong-Keat Yew, Woei-Chong Tan, Flux Distribution Analysis of Non-Imaging Planar Concentrator Considering Effects of Circumsolar Radiation and Mirror Slope Error, 2014 OSA Optics & Photonics Congress, Australia National University, Canberra, Australia, 2-5 December 2014 (ISSN: ).
Chee-Woon Wong, Kok-Keong Chong, Tiong-Keat Yew, Analytical Model of Non-Imaging Planar Concentrator for the Application in Dense-Array Concentrator Photovoltaic System, 1ST INTERNATIONAL SYMPOSIUM ON INNOVATIVE TECHNOLOGIES IN ENGINEERING AND SCIENCE, Sakarya University, TURKEY, June 2013 (ISSN: ).
Fei Lu Siaw, Kok Keong Chong, An Interconnection Reconfiguration Method for Concentrator Photovoltaic Array, 39th IEEE Photovoltaic Specialists Conference, TAMPA, FLORIDA, USA, June 2013 (ISSN: ).
WOEI-CHONG TAN, CHEE-WOON WONG, THERMAL MANAGEMENT OF CONCENTRATOR PHOTOVOLTAIC SYSTEM USING AUTOMOTIVE RADIATOR COOLING SYSTEM, SOLAR ASIA 2013, UNIVERSITY OF MALAYA, 22-24 August 2013 (ISBN: 978-967-12067-0-6).
Mohammed Mannir Aliyu, M. Sajedur Rahman, Towhid H. Chowdhury, Fei-Lu Siaw, Kamaruzzaman Sopian, THE EFFECT OF TEMPERATURE ON THE GROWTH OF HIGH QUALITY AL-DOPED ZINC OXIDE THIN FILMS BY RF MAGNETRON SPUTTERING, 28th European Photovoltaic Solar Energy Conference and Exhibition, Paris, 30 September 2013-4 October 2013 (ISSN: ).
Fei-Lu Siaw, A DENSE-ARRAY RECONFIGURATION METHOD TO MINIMIZE MISMATCH LOSSES IN A NON-IMAGING PLANAR CONCENTRATOR SYSTEM, 28th European Photovoltaic Solar Energy Conference and Exhibition, PARIS, 30 September 2013-4 October 2013 (ISSN: ).
Fei-Lu Siaw, Chee-Woon Wong, Tiong-Keat Yew, Optimizing performance of dense-array concentrator photovoltaic system, 39th IEEE Photovoltaic Specialist Conference, tampa, florida, usa, 16-21 June 2013 (ISSN: ).
Kok-Keong Chong, Fei-Lu Siaw, Electrical Characterization of Dense-Array Concentrator Photovoltaic System, 27th European Photovoltaic Solar Energy Conference and Exhibition, Frankfurt, Germany, September 2012 (ISBN: 3-936338-28-0).
Fei-Lu Siaw, Kok-Keong Chong, Temperature Effects on the Performance of Dense Array Concentrator Photovoltaic System, 2012 IEEE Conference on Sustainable Utilization and Development in Engineering and Technology (STUDENT), Universiti Tunku Abdul Rahman, Kuala Lumpur, Malaysia. 6 - 9 October 2012, October 2012 (ISBN: 978-1-4673-1705-4).
Kok-Keong Chong, Woei-Chong Tan, Chee-Woon Wong, SECOND PROTOTYPE NON-IMAGING PLANAR CONCENTRATOR FOR CONCENTRATOR PHOTOVOLTAIC SYSTEM, 27th European Photovoltaic Solar Energy Conference and Exhibition, Frankfurt, Germany, September 2012 (ISBN: 3-936338-28-0).
S. S. Lee, S. O. LAI, K. K. Chong, A STUDY ON COOLING OF CONCENTRATOR PHOTOVOLTAIC CELLS USING CFD, INTERNATIONAL CONFERENCE ON INNOVATION, MANAGEMENT AND TECHNOLOGY RESEARCH, May 2012 (ISBN: 978-1-4673-06).
Kok-Keong Chong, Optical Characterization of Nonimaging Focusing Heliostat, SPIE 2011 Optics+Photonics, August 2011 (ISSN: 0277-786X).
Kok-Keong Chong, Chuan-Yang Lim, Wee-Liang Keh, Jian-Hau Fan, Faidz Abdul Rahman, Optical Characterization of Solar Furnace System Using Fixed Geometry Non-Imaging Focusing Heliostat and Secondary Parabolic Concentrator, SPIE 2011 Optics+Photonics, August 2011 (ISSN: 0277-786X).
Ming-Hui Tan, Woei-Chong Tan, Kok-Keong Chong, Performance of Gamma Type Low Temperature Differential Stirling Engine Powered by Steam, Proceedings of the 2010 IEEE Conference on Sustainable Utilization and Development in Engineering and Technology, November 2010 (ISSN: ).
Kok-Keong Chong, Chee-Woon Wong, OPEN-LOOP AZIMUTH-ELEVATION SUN-TRACKING SYSTEM USING ON-AXIS GENERAL SUN-TRACKING FORMULA FOR ACHIEVING TRACKING ACCURACY OF BELOW 1 MRAD, IEEE 35th Photovoltaic Specialist Conference (PVSC), June 2010 (ISSN: ).
Kok-Keong Chong, Chee-Woon Wong, Fei-Lu Siaw, Tiong-Keat Yew, SOLAR FLUX DISTRIBUTION ANALYSIS OF NON-IMAGING PLANAR CONCENTRATOR FOR THE APLLICATION IN CONCENTRATOR PHOTOVOLTAIC SYSTEM, 35th IEEE Photovoltaic Specialists Conference, June 2010 (ISSN: ).
M. A. Matin, Nowshad Amin, Aminul Islam, Kamaruzzaman Sopian, Kok-Keong Chong, EFFECT OF STRUCTURAL VARIATION IN CADMIUM TELLURIDE THIN FILM SOLAR CELLS FROM NUMERICAL ANALYSIS, 24th European Photovoltaic Solar Energy Conference, September 2009 (ISSN: ).
Kok-Keong Chong, Chee-Woon Wong, Fei-Lu Siaw, Tiong-Keat Yew, Yee-How Chong, ON-AXIS GENERAL SUN-TRACKING FORMULA AND ITS APPLICATION IN IMPROVING SUN-TRACKING ACCURACY OF A 25 kWth NON-IMAGING PLANAR CONCENTRATOR PROTOTYPE, 24th European Photovoltaic Solar Energy Conference, September 2009 (ISSN: ).
Y.T. Chen, A.D. Karsono, R.A. Ghani, N. Ibrahim, A.Z. Idrus, Upgrade of the 100m laser interferometer TENKO-100 in Malaysia as a test bed for advanced technology development, The Ninth Marcel Grossmann Meeting. Proceedings of the MGIXMM Meeting held at The University of Rome ?La Sapienza, December 2002 (ISSN: ).
CHONG KOK KEONG, GRAVITATIONAL WAVE DETECTION IN THE LABORATORY, FRONTIERS OF PHYSICS 1998: PROCEEDING OF THE INTERNATIONAL MEETING, November 2000 (ISSN: ).
CHONG KOK KEONG, Measurement of Seismic Noise at the Site of Tianyin-100 in UTM, Frontiers of Physics 1998: Proceedings of the International Meeting, November 2000 (ISSN: ).
CHONG KOK KEONG, USING THINNER SUSPENSION WIRE TO REDUCE THERMAL NOISE IN TIANYIN-100, FRONTIERS OF PHYSICS 1998: PROCEEDING OF THE INTERNATIONAL MEETING, November 2000 (ISSN: ).

book chapter

Manjeevan Seera, Choo Jun Tan, Kuldeep Kaur Randhawa, Kok-Keong Chong, Commercial Photovoltaic Performance Optimization Using Genetic Algorithms, Springer, 2022 (ISBN: 2524-7565).
Kai Jeat Hong, Chun Hui Tan, Sin Tee Tan, Kok-Keong Chong, Graphene, Nanotubes and Quantum Dots-Based Nanotechnology, Elsevier, 2021 (ISBN: 603587).
KOK KEONG CHONG, Chee‐Woon Wong, Tiong‐Keat Yew, Ming‐Hui Tan, Woei‐Chong Tan, Emerging Photovoltaic Materials: Silicon & Beyond, Wiley Online Library, 2018 (ISBN: 9781119407690).
CHONG KOK KEONG, Advanced Energy Materials, Wiley and Scrivener Publishing, 2014 (ISBN: 978-1-118-68629-4).
Kok-Keong Chong, Chee-Woon Wong, Solar Collectors and Panels, Theory and Applications, www.sciyo.com, 2010 (ISBN: 978-953-307-142-8).