Dr. Edwin Chi-Yan TSO


Education
Ph.D. in Mechanical Engineering, The Hong Kong University of Science and Technology



Staff title
Assistant Professor





Dr. Tso received his Bachelor’s degree in Mechanical Engineering (First class), MPhil degree in Environmental Engineering and PhD degree in Mechanical Engineering from The Hong Kong University of Science and Technology (HKUST) in 2010, 2012 and 2015, respectively. He was awarded the Fulbright – Research Grant Council (RGC) Hong Kong Research Fellowship in 2014, and studied at the University of California, Berkeley (UC Berkeley) in 2015. After he came back from the UC Berkeley, he was a Research Associate at the Department of Mechanical and Aerospace Engineering (MAE), HKUST from 2015-2016, and promoted to the rank of Research Assistant Professor (2016-2018) before he joined CityU in Sep of 2018 as an Assistant Professor. He was also a Junior Fellow at the HKUST Jockey Club Institute for Advanced Study from 2016-2018 when he was at HKUST. Dr. Tso’s research interest covers thermofluid, heat transfer, energy and built environment, and energy efficient building technology, particularly, in the fields of adsorption technology, thermal diodes/switches, nanofluids/hybrid nanofluids, thermochromic smart windows and passive radiative cooling using numerical simulations as well as advanced experimental techniques. Dr. Tso is also active in entrepreneurship and technology transfer, and has been involved in setting up a start-up in 2012.
Dr. TSO focuses on understanding the fundamentals of heat transfer, energy conversion and engineered material science with the target of integrating theory and experiments to create innovative solutions to enhance thermal management, built environment, space cooling and refrigeration, micro-droplet manipulation and energy-efficient building technologies, making a great and global impact by addressing the biggest needs and issues in our world.



Other Information
Research Interests:Adsorption Cooling/Dehumidification Systems; Passive Radiative Cooling; Thermochromic Smart Windows; Transparent Wood; Thermal Rectification; Solar Energy and Water Harvesting; Nanofluids/Hybrid Nanofluids Heat Transfer; Thermal Management for High Performance Systems.

VideoPassive Radiative Cooling

Local and International AwardsThe HKIE Best Transaction Paper Prize with Prof. Michael Leung and Dr. Wei Wu (2021).
7th China International College Students' “Internet+” Innovation and Entrepreneurship Competition, 第七届中国国际 「互联网+」大学生创新创业大赛, Gold Medal, 金奖. Project Name: A Novel Energy Free and Environmentally Friendly Cooling Paint for Building Applications. Awarded PhD Students: Mr. Martin Zhu, Mr. Johnny Lin and Miss. Kelly Chen (2021).
“Maker in China” SME Innovation and Entrepreneurship Global Contest, Global Final, 「创客中国」国际中小企业创新创业大赛 – 全球总决赛, 1st Runner Up, 亚军, Awardees: Dr. Hau Him Lee, Mr. Martin Zhu, Miss. Shirley Du, Mr. Johnny Lin. (2021).
“Maker in China” SME Innovation and Entrepreneurship Global Contest, Hong Kong Chapter, 国际中小企业创新创业大赛- – 香港分站赛，Champion, 冠军, Awardees: Dr. Hau Him Lee, Mr. Martin Zhu, Miss. Shirley Du, Mr. Johnny Lin. (2021).
The Institution of Engineering and Technology Hong Kong, Young Professionals Exhibition & Competition (YPEC) 2021, 1st Runner Up at the Postgraduate Section, Project Name: A Novel Energy-free and Environment-friendly Passive Radiative Cooling Paint for Building Energy Saving and Decarburization, Awarded PhD Students and Research Assistants: Miss. Shirley Du, Mr. Martin Zhu, Mr. Johnny Lin, Miss. Kelly Chen, Mr. Moss Zeng, Miss. Daisy Zhou, and Mr. Luke Chao. (2021).
The 8th Challenge Cup (Entrepreneurship) 金湾杯 创青春 工商组初创类, 2nd Runner Up. Project Name: A Novel Energy Free and Environmentally Friendly Cooling Paint for Building Applications. Awarded PhD Students: Mr. Martin Zhu, Mr. Johnny Lin and Miss. Kelly Chen (2021).

RGC & ITF Research ProjectsFunding Source Role Project Title Period
General Research Fund (GRF) Principal Investigator Thermochromic Transparent Wood Composites for Highly Efficient Broadband Optical Management in Smart Window Applications 1/Jan/2022 – 31/Dec/2024 (On-going)
ITSF
ITS/107/20 (Tier 3) Project Coordinator Study and Development of a Novel and Smart Textile for Personal Thermal Management 1/July/2021 – 31/Dec/2022
(On-going)
CRF
C1105-20G
PI: Dr. Carol Lin
(8730057) Co-Investigator Reducing Transmission of Novel Coronavirus and Other Infectious Diseases using Food Waste-derived Medical Textiles via Electrospinning for Healthcare Apparel and Personal Protection Equipment 1/Jan/2021 – 31/Dec/2023
(On-going)
Environmental and Conservation Fund (ECF)
(9211200) Principal Investigator Study and Development of an Advanced Solid Desiccant Cooling System for Hong Kong Buildings 1/Sep/2020 – 31/Aug/2021
(On-going)
Early Career Scheme (ECS)
(21200819) Principal Investigator Study of Hybrid-Nanofluids in Superhydrophilic Wick Structure for Heat Transfer Enhancement in an Adsorption Cooling System 1/Jan/2020 – 31/Dec/2022
(On-going)
Innovation and Technology Fund (ITF)
(9440205) Project Coordinator Study and Development of a Novel Superhydrophilic-Nanostructured Composite Surface in Dehumidification Systems 1/Jun/2019 – 31/May/2021
(On-going)
General Research Fund (GRF)
(16200518) Principal Investigator Anomalous Photon Transport induced Asymmetric Electromagnetic Transmission for use in Daytime Passive Radiative Cooling in a Humid Climate 1/Jan/2019 – 31/Dec/2021
(On-going)
General Research Fund (GRF)
(16202517) Principal Investigator Electrostatic Charging of Coalescence-induced Jumping Droplets and its Application in a Nanofluid based Phase Change Thermal Diode 1/July/2017 – 30/June/2020
(Completed)
Collaborative Research Fund (CRF)
(C6022-16G) Co-Coordinator Study of Cooling Effect by Surface Treatment and its Application to Smart Green Buildings 30/June/2017 – 29/June/2020
(Completed)

Major Industrial, Government Contract Research and Consulting ProjectsFunding Source Role Project Period
Drainage Services Department/Sewerage Projects Division
Project code: 10662
Project Coordinator Energy-saving Study of a Novel Hybrid Ventilation System and Ventilation Optimization by Artificial Intelligence in Cavern
1/March/2021 – 31/May/2022
(On-going)

Electrical and Mechanical Services Department, HKSAR Project Coordinator Energy-saving Evaluation of the Daytime Passive Radiative Cooling Paint on the Rooftop of an Office in Tung Chung 1/June/2021 – 31/Dec/2022
(On-going)

Electrical and Mechanical Services Department, HKSAR
Co-Investigator Consultancy Services for Energy Saving Study for the Third Batch of Chiller Replacement Project at Hospital Authority's Venues 1/June/2021 – 31/May/2022
(On-going)

Civil Engineering and Development Department, HKSAR
Project code: 9360145
Project Coordinator Passive Radiative Cooling Paint on the Rooftop of an Office for Energy-saving Evaluation and Demonstration 2/Nov/2020 – 1/Nov/2021
(On-going)

Electrical and Mechanical Services Department, HKSAR
Project code: 10636
Project Coordinator Study of Performance of Plate-tube Chiller 28/Sep/2020 – 31/Mar/2022
(On-going)

Electrical and Mechanical Services Department, HKSAR
Co-Investigator Consultancy Services for Chiller Plant Optimization by Artificial Intelligence and Energy Saving for the Second Batch Chiller Replacement Projects at Hospital Authority’s Venues
1/July/2019 – 31/Dec/2020
(Completed)

Drainage Services Department/Sewerage Projects Division Project code: 10514
Project Coordinator Study of an Adsorption Cooling System adopting Superhydrophilic-nanostructured Composite Surface for use in Cavern
3/Dec/2018 – 2/Mar/2020
(Completed)


CityU Internal Funding as PM and PIFunding Source Role Project Title Period
ARG - CityU Applied Research Grant (9667231)
Principal Investigator
Study and Development of Sub-ambient Daytime Passive Radiative Cooling Paint for Buildings
1/Apr/2021–30/Sep/2022
(On-going)


Journal Publications2021M.Y. Wong, Y.H. Zhu, Y. Zeng, H.C. Ho, Y. Yang, H.H. Qiu and?C.Y. Tso, 2021. Thermal Rectification Enhancement of Coalescence – Jumping Phase Transition Thermal Diodes using Cu-Al₂O₃?Hybrid Nanofluids,?Advanced Engineering Materials,?2100958?(Featured as Inside Front Cover).
K.X. Lin, L.C. Chao, H.H. Lee, R. Xin, S. Liu, T.C. Ho, B.L. Huang, K.M. Yu and?C.Y. Tso, 2021. Potential Building Energy Savings by Passive Strategies combining Daytime Radiative Coolers and Thermochromic Smart Windows,?Case Studies in Thermal Engineering,?28?101517.
Y.M. Wong,?C.Y. Tso?and C.Y. Chao, 2021. Thermo-radiative Energy Conversion Efficiency of a Passive Radiative Fluid Cooling System,?Renewable?Energy?180?700-711.
Y.Zhang, T. Tennakoon, Y.H. Chan, K.C. Chan, S.C. Fu,?C.Y. Tso, K.M. Yu, B. L. Huang, S.H. Yao, H.H. Qiu, C.Y. Chao, 2022. Energy Consumption Modelling of a Passive Hybrid System for Office Buildings in Different Climates,?Energy,?239?121914.
K.X. Lin, L.C. Chao, T.C. Ho, C.J. Lin, S.R. Chen, Y.W. Du, B.L. Huang and?C.Y. Tso, 2021. A Flexible and Scalable Solution for Daytime Passive Radiative Cooling Using Polymer Sheets,?Energy and Buildings?252?111400.
F.R. Siddiqui,?C.Y. Tso, S.C. Fu, H.H. Qiu, C.Y. Chao, 2021. Droplet Evaporation and Boiling for Different Mixing Ratios of the Silver-graphene Hybrid Nanofluid over heated Surfaces,?International Journal of Heat and Mass Transfer.?180?121786
Z.H. Qin, J.H. Mou, C.Y.H. Chao, S.S. Chopra, W. Daoud, S.Y. Leu, Z. Ning, C.Y. Tso, C.K. Chan, S. Tang, Z. Hathi, M.A. Haque, X. Wang and C.S.K. Lin, 2021. Biotechnology of Plastic Waste Degradation, Recycling, and Valorization: Current Advances and Future Perspectives, ChemSusChem 14 1-13?(Featured as Front Cover).
S. Liu,?C.Y. Tso, Y.W. Du, L.C. Chao, H.H. Lee, T.C. Ho and M.K.H. Leung, 2021. Bioinspired Flexible Thermochromic Transparent Hydrogel Wood with Advanced Optical Regulation Abilities and Robust Mechanical Properties for Smart Windows,?Applied Energy?297?117207.
Y.W. Du, S. Chen, L.C. Chao, K. Lin, H.H. Lee, T.C. Ho, M.K.H. Leung,?C.Y. Tso, An Energy-free and Low-cost Daytime Passive Radiative Cooling Paint for Energy-Saving in Buildings and Decarbonization,?HKIE Environmental Division, (Champion, Environmental Paper Award).
S. Liu,?C.Y. Tso, H.H. Lee, K.M. Yu, S.P. Feng and B.L. Huang, Self-Densified Optically Transparent VO₂?Thermochromic Wood Film for Smart Windows,?ACS Applied Materials & Interfaces,?13?22495-22504.
Y.M. Wong,?C.Y. Tso?and C.Y. Chao, Corrected Radiative Cooling Power measured by Equivalent Dissipative Thermal Reservoir Method,?International Journal of Heat and Mass Transfer,?174?121341.
S. Liu, Y.W. Du, C.Y. Tso, H.H. Lee, R. Cheng, S.P. Feng and K.M. Yu, 2021. Organic Hybrid Perovskite (MAPbI_3-xCl_x) for Thermochromic Smart Window with Strong Optical Regulation Ability, Low Transition Temperature and Narrow Hysteresis Width, Advanced Functional Materials,?2010426 (Featured as Inside Front Cover).
W. Ma, Y. Li, C.Y.H. Chao, C.Y. Tso, B.L. Huang, W. Li and S.H. Yao, 2021. Solar-Assisted Icephobicity Down to -60 °C with Superhydrophobic Selective Surfaces, Cell Reports Physical Science, 2(3)?100384.
Y. Zhu, C.Y. Tso, T.C. Ho, M.K.H. Leung and S. Yao, 2021. Coalescence-induced Jumping Droplets on Nanostructured Biphilic Surfaces with Electrification Effects, ACS Applied Materials & Interfaces, 13(9) 11470–11479.
Y. Li, C.J. Lin, Z.X. Wu, Z.Y. Chen, C. Chi, F. Cao, D.Q. Mei, H. Yan, C.Y. Tso, C.Y.H. Chao and B.L. Huang, 2021. Solution-Processed All-Ceramic Plasmonic Metamaterials for Efficient Solar-Thermal Conversion over 100-727 oC, Advanced Materials, 33(1) 2005074.
F.R. Siddiqui, C.Y. Tso, S.C. Fu, H.H. Qiu and C.Y. H. Chao, 2021. Droplet Evaporation of Cu-Al₂O₃ Hybrid Nanofluid Over Residue and Copper Surfaces: Towards Developing a New Analytical Model, ASME Journal of Heat Transfer, 143 021604-1.
M.Y. Wong, C.Y. Tso, T.C. Ho and H.H. Lee, 2021. A Review of State of the Art Thermal Diodes and their Potential Applications, International Journal of Heat and Mass Transfer, 164 120607.
2020S. Bai, T.C. Ho, J. Ha, A.K An, and?C.Y. Tso,?2020. Study of the Salinity Effects on the Cooling and Desalination Performance of an Adsorption Cooling cum Desalination System with a Novel Composite Adsorbent,?Applied Thermal?Engineering,?181?115879.
Y. Zhu,?C.Y. Tso, T.C. Ho, M.K.H. Leung, S. Yao and H.H. Qiu, 2020. Heat Transfer Enhancement on Tube Surfaces with Biphilic Nanomorphology,?Applied Thermal Engineering,?180?115778.
S. Liu,?C.Y. Tso,?Y. Zhang, H.H. Lee, K.M. Yu, and C.Y.H. Chao, 2020. Bioinspired TiO₂?Nanocone Antireflection Layer for the Optical Performance Improvement of VO_2?Thermochromic Smart Windows,?Scientific Report,?10(1)?1-14.
M. Kong, K. Egbo, C.P. Liu, M.K. Hossain,?C.Y. Tso,?C.Y.H. Chao and K.M. Yu, 2020. Rapid Thermal Annealing assisted Facile Solution Method for Tungsten-doped Vanadium Dioxide Thin Films on Glass Substrate.?Journal of Alloys and Compounds,?833?155053.
F.R. Siddiqui, C.Y. Tso, S.C. Fu, H.H. Qiu and C.Y. H. Chao, 2020. Evaporation and Wetting Behavior of Silver-graphene Hybrid Nanofluid Droplet on its Porous Residue Surface for Various Mixing Ratios. International Journal of Heat and Mass Transfer, 153 119618.
S.Y. Jeong, C.Y. Tso, Y.M. Wong, C.Y.H. Chao, and B.L. Huang, 2020. Daytime Passive Radiative Cooling by Ultra Emissive Bio-inspired Polymeric Surface. Solar Energy Materials and Solar Cells, 206 110296.
S.Y. Jeong, C.Y. Tso, J.Y. Ha, Y.M. Wong, B.L. Huang, C.Y.H. Chao and H.H. Qiu, 2020. Field Investigation of a Photonic Multi-layered TiO₂ Passive Radiative Cooler in Sub-Tropical Climate. Renewable Energy, 146 44-55.
2019Y. Zhang, C.Y. Tso, J.S. I?igo, S. Liu, H. Miyazaki, C.Y.H. Chao and K.M. Yu, 2019. Perovskite Thermochromic Smart Window: Advanced Optical Properties and Low Transition Temperature. Applied Energy, 254 113690.
Y. Li, D. Zhou, C. Lin, D. Li, C. Chi, H. Huang, S. Yang, C.Y. Tso, C.Y.H. Chao and B.L. Huang, 2019. Scalable All-ceramic Nanofilms as Highly Efficient and Thermally Stable Selective Solar Absorbers. Nano Energy 64 103947.
K.C. Chan, C.Y. Tso, A. Hussain and C.Y.H. Chao, 2019. A Theoretical Model for the Effective Thermal Conductivity of Graphene Coated Metal Foams. Applied Thermal Engineering, 161 114112.
W.W. Che, C.Y. Tso, L. Sun, D. Ip, H. Lee, C.Y.H. Chao and A.K.H. Lau, 2019. Energy Consumption, Indoor Thermal Comfort and Air Quality in a Commercial Office with Retrofitted Heat, Ventilation and Air Conditioning (HVAC) System. Energy and Building, 201 202-215.?
S.Y. Jeong, C.Y. Tso, J.Y. Ha, Y.M. Wong, B.L. Huang, C.Y.H. Chao and H.H. Qiu, 2020. Field Investigation of a Photonic Multi-layered TiO₂ Passive Radiative Cooler in Sub-Tropical Climate. Renewable Energy, 146 44-55. ?
M.Y. Wong, B. Traipattanakul, C.Y. Tso, C.Y.H. Chao and H.H. Qiu, 2019. Experimental and Theoretical Study of a Water-Vapor Chamber Thermal Diode. International Journal of Heat and Mass Transfer, 138 173-183.
B. Traipattanakul, C.Y. Tso and C.Y.H. Chao, 2019. A Phase-change Thermal Diode using Electrostatic-induced Coalescing-jumping Droplets. International Journal of Heat and Mass Transfer, 135 294-304.
F.R. Siddiqui, C.Y. Tso, K.C. Chan, S.C. Fu and C.Y. H. Chao, 2019. On Trade-off for Dispersion Stability and Thermal Transport of Cu-Al₂O₃ Hybrid Nanofluid for Various Mixing Ratios. International Journal of Heat and Mass Transfer, 132 1200-1216.
B. Traipattanakul, C.Y. Tso, and C.Y.H. Chao, 2019. Electrostatic-induced Coalescing-Jumping Droplets on Nanostructured Superhydrophobic Surfaces. International Journal of Heat and Mass Transfer, 128 550-561.
2018S.Y. Jeong, C. Y. Tso, M. Zouagui, Y.M. Wong and C.Y.H. Chao, 2018. A Numerical Study of Daytime Passive Radiative Coolers for Space Cooling in Buildings. Building Simulation, 11(5) 1011-1028.
Y.M. Wong, C. Y. Tso, C.Y.H. Chao, B.L. Huang and M.P. Wan, 2018. Ultra-broadband Asymmetric Transmission Metallic Gratings for Subtropical Passive Daytime Radiative Cooling. Solar Energy Materials and Solar Cells,186 330-339.
L.Q. Zhu, C.Y. Tso, K.C. Chan, C.L. Wu, Christopher Y.H. Chao, J. Chen, W. He, and S.W. Luo, 2018. Performance Investigation of Nanostructured Composite Surfaces for use in Adsorption Cooling Systems with a Mass Recovery Cycle. Science and Technology for the Built Environment (formerly HVAC&R Research Journal), 24 1084-1103.
M.J. Song, C.Y. Tso, C.Y.H. Chao, and C.L. Wu, 2018. Techno-economic Analysis on Frosting/defrosting Operations for an Air Source Heat Pump Unit with an Optimized Multi-Circuit Outdoor Coil. Energy and Building, 166 165-177.
L.Q. Zhu, C.Y. Tso, K.C. Chan, C.L. Wu, C.Y.H. Chao, J. Chen, W. He, and S.W. Luo, 2018. Experimental investigation on Composite Adsorbent-Water Pair for a Solar-Powered Adsorption Cooling System. Applied Thermal Engineering, 131 649-659.
K.C. Chan, C.Y. Tso, C.L. Wu and C.Y.H. Chao, 2018. Enhancing the Performance of a Zeolite 13X/CaCl2 – Water Adsorption Cooling System by improving Adsorber Design and Operation Sequence. Energy and Building, 158 1368-1378.
A. Hussain, I.H. Abidi, C.Y. Tso, K.C. Chan, Z.T. Luo and C.Y.H. Chao, 2018. Thermal Management of Lithium Ion Batteries using Graphene Coated Nickel foam saturated with Phase Change Materials. International Journal of Thermal Sciences, 124 23-35.
2017B. Traipattanakul, C.Y. Tso, and C.Y.H. Chao, 2017. Study of Jumping Water Droplets on Superhydrophobic Surfaces with Electric Fields. International Journal of Heat and Mass Transfer, 115 672-681.
X.J. Wang, C.Y. Tso, B. Traipattanakul, C.Y.H. Chao, 2017. Development of a Phase Change Material (PCM) based Thermal Switch. The Hong Kong Institution of Engineers (HKIE) Transactions, Special Issue on Energy Engineering with Applications in Smart Green Buildings, 24(2) 107-112.(The HKIE Best Transaction Paper Prize)
L.Q. Zhu, C.Y. Tso, W. He, P. Li, C.L. Wu, C.Y.H Chao, 2017. A Field Investigation of a Solar-Powered Adsorption Cooling System under Guangzhou’s Climate with Various Numbers of Heat Exchangers in Adsorbers. Science and Technology for the Built Environment (formerly HVAC&R Research Journal), 23(8) 1282-1292.
C.Y. Tso, K.C. Chan and C.Y.H. Chao, 2017. A Field Investigation of Passive Radiative Cooling under Hong Kong’s Climate. Renewable Energy, 106 52-61.
H.H. Lee, S.C. Fu, C.Y. Tso and C.Y.H. Chao, 2017. Study of Residue Patterns of Aqueous Nanofluid Droplets with Different Particle Sizes and Concentrations on Different Substrates. International Journal of Heat and Mass Transfer, 105 230-236.
S.C. Fu, C.Y. Tso, Y.S. Fong and C.Y.H. Chao, 2017. Evaporation of Al2O3-Water Nanofluids in an Externally Micro-grooved Evaporator. Science and Technology for the Built Environment (formerly HVAC&R Research Journal), 23345-354.
2016A. Hussain, C.Y. Tso and C.Y.H. Chao, 2016. Experimental Investigation of a Passive Thermal Management System for High-powered Lithium Ion Batteries using Nickel Foam-Paraffin Composite. Energy, 115 209-218.
C.Y. Tso and C.Y.H. Chao, 2016. Solid-State Thermal Diode with Shape Memory Alloys. International Journal of Heat and Mass Transfer, 93 605-611.
2015C.Y. Tso, K.C. Chan, C.Y.H. Chao and C.L. Wu, 2015. Experimental Performance Analysis on an Adsorption Cooling System using Zeolite13X/CaCl2 adsorbent with Various Operation Sequences. International Journal of Heat and Mass Transfer, 85 343-355.
C.Y. Tso and C.Y.H. Chao, 2015. Study of Enthalpy of Evaporation, Saturated Vapor Pressure and Evaporation Rate of Aqueous Nanofluids. International Journal of Heat and Mass Transfer, 84 931-941.
K.C. Chan, C.Y. Tso, C.Y.H. Chao and C.L. Wu, 2015. Experiment verified Simulation Study of the Operating Sequences on the Performance of Adsorption Cooling System. Building Simulation, Tsinghua University Press. 8 255 – 269.
2014C.Y. Tso, S.C. Fu and C.Y.H. Chao, 2014. A Semi-Analytical Model for the Thermal Conductivity of Nanofluids and Determination of the Nanolayer Thickness. International Journal of Heat and Mass Transfer, 70 202-214.
C.Y. Tso, S.C. Fu and C.Y.H. Chao, 2014. Modeling a Solar-Powered Double Bed Novel Composite Adsorbent (Silica Activated Carbon/CaCl2) - Water Adsorption Chiller. Building Simulation, Tsinghua University Press.7185-196.
2012C.Y. Tso, C.Y.H. Chao and S.C. Fu, 2012. Performance Analysis of a Waste Heat Driven Activated Carbon based Composite Adsorbent – Water Adsorption Chiller using Simulation Model. International Journal of Heat and Mass Transfer, 55 7596-7610.
C.Y. Tso and C.Y.H. Chao, 2012. Activated Carbon, Silica-gel and Calcium Chloride Composite Adsorbents for Energy Efficient Solar Adsorption Cooling and Dehumidification Systems. International Journal of Refrigeration, 35 1626-1638.

PatentsS.R. Chen, Y.W. Du, K.X. Lin, Y.J. Zeng, L.C. Chao, Y.H. Zhu, H.H Lee, T.C. Ho andC.Y. Tso, A Multi-layer Particle-embedded Passive Radiative Cooling Paint, Hong Kong Short-term Patent Application, CityU Internal Ref. No.: PWG/PA/990/3/2021.
S. Liu,C.Y. Tso, H.H. Lee, and T.C. Ho, Thermochromic Hydrogel Transparent Wood and Its Fabrication Method, US Provisional Patent, PWG/PA/908/10/2020, Application No.: 63/144,497. Filed on Feb 2 2021.
S.R. Chen,C.Y. Tso, K.X. Lin, S.X. Bai, L.C. Chao, H.H. Lee and T.C. Ho, A Low-Cost High Performance Passive Radiative Cooling Paint, Hong Kong Short-term Patent Application, Ref. NO.: SF-HKS01056, 24 Dec 2020.
C.Y. Tso, S.R. Chen, H.H. Lee and T.C. Ho, A New Hybrid Dehumidifier based on Superhydrophilic-nanostructured Composite Surface, US Provisional Patent, Priority NO. 63/039,536, 16 June 2020.
C.Y. Tsoand C.Y. Chao, Passive Thermal Diode, US Full Application, US Patent No. US10365049B2, 30 July, 2019. (Also, Chinese Full Patent No. ZL2.4, Oct 11, 2019).
C.Y. Tso,C.Y. Chao and G.N. Sze To, Activated Carbon/Silica-gel/CaCl₂Composite Adsorbent Material for Air-Conditioning Applications and a Method of Preparing the Same, US Full Application, US Patent No. 8962520B2, 24 Feb 2015. (Also Hong Kong Patent No. HK1176033A1, Dec 19, 2014, Chinese Full Patent No. CN102744036B, July 9, 2014).
C.Y. Tso,C.Y. Chao, K.C. Chan, C.L. Wu, G.N. Sze-To and H.H. Qiu, A Novel Evaporator for Adsorption Cooling Applications, Chinese Utility Models, Patent No. ZL2.X, 20 Aug 2014.
C.Y. Tso,C.Y. Chao, K.C. Chan and C.L. Wu, A Spray Cooing Evaporator with Nanofluid as Adsorbate for Adsorption Cooling Applications, Chinese Utility Models, Patent No. ZL2.9, 20 Aug 2014.

Media CoverageNews: <<香港经济日报>> & <<东网>>; Interviewed Research Topic: Thermochromic Hydrogel Smart Windows; Date: 5 Oct 2021.
TVB Interview - Innovation GPS <<创科导航>>, Research Topic: Thermochromic Smart Windows, broadcasted on Sep 8, 2021.
Phone Interview, RTHK, 香港电台普通话台，节目：《寰听世界》，项目：「一种用於建筑的零耗能、低成本及高效能被动辐射制冷技术」，25 May 2021.
Dr. Tso was invited to join the Chief Executive’s Reception to congratulate the success of Hong Kong teams at the Grand Hall of Hong Kong Science Park on 17 May 2021. At the Reception, Dr. Tso explained his innovation on “An Energy-Free, Low-Cost and High Cooling Performance Passive Radiative Cooling Technology for Building Applications” to Ms. Carrie Lam, HKSAR Chief Executive, and other guests. CityU’s President, Prof. Way Kuo, and Vice President for Research and Technology, Prof. Michael Yang, congratulated the teams for their brilliant performance.

News: <<星岛日报>>; <<AM730>>; <<头条日报>>; <<香港商报>>; Inventions Geneva Evaluation Days (IGED), Special Edition 2021. Gold with Congratulations of the Jury (评审团特别嘉许金奖), Date: 25 Mar 2021.


TVB Interview - Innovation GPS <<创科导航>>, Research Topic: Daytime Passive Radiative Cooling Paint, broadcasted on March 17, 2021.

Video production project for promoting the HK PhD Fellowship Scheme (HKPFS) at HKUST, Date: 25 Jan 2021.

News: <<文汇报>>; <<星岛日报>>; <<AM730>>; <<经济一周>>; <<东网>>; <<Yahoo新闻>>; Interviewed Research Topic: Daytime Passive Radiative Cooling; Date: 2-3 Dec 2020.

News: Hong Kong Headline News 头条日报, Topic: <<非常制冷涂层，悭能源零雪种>> Date: 24 Nov 2020.

Hong Kong TVB 无綫财经资讯台 interview, <<港生活．港享受>> talking about energy and environmental related issues, together with Prof. Michael Leung, Prof. Wang Zuankai, and Dr. Square Fong. Date: 6 July 2019.

Officiating Guest, Graduation Ceremony, Po Leung Kuk Yao Ling Sun College, Tsuen Wan, NT, Hong Kong. Date: 24 May 2019.
RTHK: 香港电台节目《日常8点半》, 空内空气质素. Date: 10 Jan 2019

TV Advertisement: Hong Kong Science and Technology Parks, Topic: Green Life, Making things happen (Hong Kong Science Park Phase 3). Date: Feb 2013.

Radio: Commercial Radio Hong Kong 香港商业电台雷霆881, <<人生交叉盘>>, Invited by 陈永陆(陆叔), Topic: How to make our planet greener. Date: 22 Feb 2013.
News: Hong Kong Headline News 头条日报, Topic: Adsorption Cooling Systems, a new environmentally-friendly cooling system, no refrigerants, no compressors. Date: 23 Nov 2012, Page: P40.







Staff Image




Contact Information
Office:YEUNG-G5451
Phone:3442-4623
Fax:+(852)-3442-0688
Email:chiytso@cityu.edu.hk
Web:Energy, Materials and Built Environmental Laboratory
Time slots for consultation



Research Interests
Thermofluid
Energy and Built Environment
Heat Transfer
Energy Efficient Building Technology