Institute for Nanotechnology and Water Sustainability
College of Science, Engineering and Technology |
Institute for Nanotechnology and Water Sustainability |
Professor
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Tel: |
011 670 9715
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E-mail: |
snymalw@unisa.ac.za
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Qualifications
- PhD Physics (NMMU, South Africa, 1987)
NRF Rating
C3
Fields of academic interests
- Physical processes: thermal , optical
- Opto-Electronics
- Nano and Micro-Electronics
- Electronic Control System Development
Field of Specialisation
- Physical processes: thermal , optical
- Opto-Electronics
- Nano and Micro-Electronics
- Electronic Control System Development
Books
- Kaikai Xu, Weifeng Sun, Kingsley A. Ogudo, Lukas W. Snyman, Jean- Luc Polleux, Qi Yu and Guannpyng Li (2014). Silicon Avalanche based Si LEds and their potential integration into CMOS and RF bipolar technology” , Advances in Optical Communication, edited by Narottam Das, ISBN 978-953-51-1730-8, pages 115 -141, Publisher: InTech, Chapters published November 19, 2014 under CC BY 3.0 license, DOI: 10.5772/58505
Journal articles
- Lukas W. Snyman, Kaikai Xu*2, Herzl Aharoni3, and Ning Zhang, “Generating Micro and Nano Si LEDs emitting at 750-850 nm Optical Emissions in RF Silicon Integrated Circuitry” , Department of Electrical Engineering, University of South Africa, Pretoria 0001, South Africa; State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, China; Department of Electrical and Computer Engineering, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel; Submitted to IEEE Journal of Quantum Engineering , USA, April 2019.
- Lukas W. Snyman *1, Jinchao Qian2, Kaikai Xu3, Herzl Aharoni4 (fellow OSA), “Stimulation of 700-900 nm wavelength optical emission from Si AMLEDs and coupling into Si3N4 waveguides using a RF Silicon Integrated Circuit Process” , 1 Unit for Nanotechnology Research, University of South Africa, Pretoria 0001, South Africa, 2 Department of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China, 3 State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, China, 4 Department of Electrical and Computer Engineering, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel, Accepted for publication in OSA Continuum (USA), June 2019.
- Steve Mvili-Gampio, Lukas W. Snyman, “Developing a small photovoltaic power supply system with adaptive technologies for rural Africa: Design, cost and efficiency analyses”, Journal of Energy in Southern Africa, 29 (4), 60-68, December 2018
- MF Twite, LW Snyman, J De Koker, D Yusuff, “Development of a large-area, low-cost solar water-heating system for South Africa with a high thermal energy collection capacity”, Journal of Energy in Southern Africa 30 (1), 49-59, March 2019. ISSN 1021-447X printed version, ISSN 2413-3051 online version, DOI: http://dx.doi.org/10.17159/2413-3051/2019/v30i1a5226.
- K Xu, Y Chen, TA Okhai, LW Snyman, “Micro optical sensors based on avalanching silicon light-emitting devices monolithically integrated on chips”, Optical Materials Express 9 (10), 3985-3997, (Impact factor 2.67) , 2019.
- H Sun, K Xu, J Zhao, J Zhang, Y Zhou, L Liu, J Yuan, L Huang, K Zhu, L.W. Snyman , “A dependency of emission efficiency of poly-silicon light-emitting device on avalanching current”, Optical Materials 88, 711-717, 6, 2019
- TA Okhai, L.W. Snyman, JL Polleux, “Wavelength dispersion phenomena observed for emitted optical radiation from ap plus nn plus silicon avalanche mode light-emitting device in a radio frequency bipolar-integrated circuitry “Optical Engineering (1), 2019.
- Fullbright M. Twite, Lukas W. Snyman and Kevin Jalet, “Innovative low cost thermal energy transfer and storage in a low pressure high pressure water reservoir environment” , 2nd International Symposium on Environment, Energy Science and Technology , Venue: Misty Hills, Drift Boulevard, Muldersdrift, 18 - 21 August, 2019
- Lee Olivier and Lukas W. Snyman, “Thermal-to-Electricity Energy Conversion Systems for South Africa using water as energy storage medium” 2nd International Symposium on Environment, Energy Science and Technology , Venue: Misty Hills, Drift Boulevard, Muldersdrift, 18 - 21 August, 2019.
- Timothy A. Okhai 1,2, Lukas W. Snyman 2 and Usisipho Feleni 2 , “On-Silicon Chip based Receptor Technology for the Identification of Absorbed CO, CO2 and Bio-species” 2nd International Symposium on Environment, Energy Science and Technology , Venue: Misty Hills, Drift Boulevard, Muldersdrift, 18 - 21 August, 2019
PATENTS GRANTED (25)
SELECTED PATENTS :
- “ Complete - Roof Solar Thermal Energy Collector ” SA Patent Journal 2015 (granted by SA CIPRO as ZA 2016/05297 ), Inventor: Snyman, Lukas Willem. International application WO/2018/090065. H01L 35/30, PCT/ZA2017/050084, Filed on 17.05.2018, University of South Africa , filed by Hahn and Hahn Inc. Filed and published in China. Brazil, United States, ARIPO and Japan.
- “Thermal energy to electrical energy extraction system” SA Patent Journal 2015, (granted by SA CIPRO as ZA 2016/07673), Inventor: Snyman, Lukas Willem. International application WO/2018/090065.Filed on 17.05.2018, H01L 35/30, PCT/ZA2017/050084, University of South Africa, filed by Hahn and Hahn Inc. Filed and published in China. Brazil, United States, ARIPO and Japan.
- “Electronic controller for household energy control based on timing and tariff data” SA Patent Journal 2014 ( granted by SA CIPRO as SA 2015/04789). Inventor : Snyman, Lukas Willem, International Application : PCT/ZA2016/050021, WIPO 3318020. European Patent, Published 09.05.2018 by European Patent Organisation Ref: H04L 12/28, 16774836, University of South Africa, Also to be published in China. Brazil, United States, ARIPO and Japan. international patent filed by Hahn and Hahn Inc. on behalf of UNISA
- “Low Cost Wind Turbine with self governing speed regulation mechanism” SA Patent Journal 2018, ZA 2018/05297. Granted by SA CIPRO on 31 May 2018. Inventor: Snyman, Lukas Snyman
- “650 nm Silicon Avalanche Light Emitting Diode” , SA Patent Journal 2016, Granted by SA CIPRO ZA as SA 2016/06148 on 25 Oct 2018 Priority date : 01-Aug-16. Inventor: Snyman, Lukas Willem. Filed Internationally as WO /2018/049434, 15.03.2018, PCT/ZA2017/050052, University of South Africa by Hahn and Hahn Inc.
- “CMOS–based Micro-Photonic systems” , SA Patent Journal 2011. Granted 30 Nov June 2011. Inventor: Snyman, Lukas Willem , Internationally filed as WO/2012/075511), PCT/ZA2011/000090) . Filed in : China (201180066252.9) (assigned to TUT) (Royalties to LW Snyman). Filed in European Office (2011826188) (assigned to TUT) (Royalties to LW Snyman) .
- “CMOS MOEMS Sensor Device” SA Patent Journal 2011. Granted by SA CIPRO as SA 2011/04343 (assigned to TUT). Inventor: Snyman, Lukas Willem, Royalties to LW Snyman). Filed internationally as PCT/ZA2010/00033, ,Granted: EPO (2010819670) (Assigned to TUT) (Royalties to LW Snyman), Granted : USA (13146469) (assigned to TUT) (royalties to LW Snyman), Granted: Korea (1020127000910) (assigned to TUT) (royalties to LW Snyman)
- “Wavelength Specific Silicon Light Emitting Structure” SA Patent Journal 2010. Inventor: Snyman, LW . Filed internationally: June 2010 as PCT/ZA2010/0031.
Professional positions, fellowships & awards
- Member, International Institute for Electrical and Electronic Engineers, USA (IEEE)
- Member, American Society for Optical Instrumentation Engineers (SPIE)
- NRF, SA-China Bi-lateral Grant for research on on-chip analyte and bio sensors, 2000kR per annum, 2020 - 2022
- Third Prize: Student Poster Award: USA Africa Nano-Technology Forum, Glenwood Lodge, South Africa, August 2019
- Department Science and Technology Award for Top Intellectual Property Creator at Unisa, 2012 - 2018
- Unisa Innovation Support Programme Awards: 2017, 2018
- Nelson Mandela University Alumni Special Achievers Award, 2017
- Finalist for National Science and Technology Forum (NSTF) Award, Category: Innovation, 2016
- Finalist for National Science and Technology Forum (NSTF) Award: Category : R&D Contributions over 10 years, 2015
- Innovator of the Year Award: Tshwane University of Technology, 2010
- Researcher of the Year Award : Tshwane University of Technology, 2003
- Paul Scherrer Institute, Switzerland : One of top 10 Research Outputs for 1996.
- WIRSAM Scientific Awards for best Papers at EMMSA conferences, 1983, 1985
- SA Institute of Physics Award for best Ph.D dissertation in Solid State Physics / and or Semiconductor Physics, 1987
Projects
- Desalination of water through hydro-phobic membranes
- Desalination of water through selective distillation
- Thermal solar energy absorbers using water as energy storage medium
- Development of thermal energy to electrical energy conversion systems
- Development of micro-electronic on-chip gas sensors
- Development of micro-electronic on-chip water analyte sensors
- Development of micro-electronic on-chip bio-sensors
- Development of a low cost self-regulating wind energy generator for small scale power applications