Publications, News & Events
| July 4, 2024 |
Presented at the ICCG 2024 Conference, this work earned second place in the poster award category. Click here to view the poster.
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| August 4, 2020 |
Unique Features of SPD Lab PV Power Analyzers. |
Workshop
December 13, 2019 |
"The International Workshop on Next Generation Solar Cells towards Practical Applications for Celebrating the 15th Anniversary of SPD Laboratory"
Click here for details... |
| June 1, 2019 |
SPD Laboratory, Inc. is celebrating 15th anniversary |
| February 12, 2019 |
"Designing and Building a Super capacitor and Battery Analyzer" P. V. V. Jayaweera, Shoji Kaneko oral presentation in Sri Lanka Institute of Nanotechnology |
| February 6-8, 2019 |
"Characterization Techniques in the Field of the Solar Energy Storage Device" P. V. V. Jayaweera, Shoji Kaneko, Kenji Murakami.International Conference on Advanced Materials for Clean Energy and Health Applications (AMCEHA 2019) |
| December 1, 2018 |
"Longitudinal analysis of molecular alteration in serum samples of dextran sodium sulfate-induced colitis mice by using infrared spectroscopy" Unil Perera, Hemendra Ghimire, P. V. V. Jayaweera. Infrared Physics & Technology 97, March 2019, Pages 33-37 |
| January 4-6, 2018 |
"Novel PV Power Analyzing System with Maximum Power Point Tracking Technique: Towards The Solution for Evaluation Challenges of Perovskite Solar Cells due to Hysteresis in I-V Measurements Viraj Jayaweera, Shoji Kaneko, Ludmila Cojocaru, Satoshi Uchida, and Hiroshi Segawa SOLAR ASIA – 2018 |
| November 26—December 1, 2017 |
"Novel PV Power Analyzing System with Maximum Power Point Tracking Technique: Towards The Solution for Evaluation Challenges of Perovskite Solar Cells due to Hysteresis in I-V Measurements" Viraj Jayaweera, Shoji Kaneko, Ludmila Cojocaru, Satoshi Uchida, and Hiroshi Segawa. 2017 MRS Fall Meeting & Exhibit |
| september 18, 2017 |
"Determination of unique power conversion efficiency of solar cell showing hysteresis in the I-V curve under various light intensities" Ludmila Cojocaru, Satoshi Uchida, Koichi Tamaki, Piyankarage V. V. Jayaweera, Shoji Kaneko, Jotaro Nakazaki, Takaya Kubo, Hiroshi Segawa. Scientific Reports, 7, 11790 (2017) |
| July 13-15, 2017 |
"Fabrication of low-cost ilmenite/lithium polysulfide/graphite rechargeable batteries" Jayasekara G.K., Arachchi N.D.H., Jayaweera P.V.V., Jayaweera P.M. Third Biennial International Symposium on Polymer Science and Technology 2017 |
| July 14, 2017 |
"Effect of TiO2 surface treatment on the I‐V hysteresis of planar structure perovskite solar cells prepared on rough and flat FTO substrates" Cojocaru, Ludmila, Satoshi Uchida, Piyankarage V. V. Jajaweera, Shoji Kaneko, Haibin Wang, Jotaro Nakazaki, Takaya Kubo, and Hiroshi Segawa. Energy Technology July 14, (2017). |
| April 19, 2017 |
"Reply to comment on Simulation of current--voltage curves for inverted structure perovskite solar cells using equivalent circuit model with inductance" Cojocaru, Ludmila, Satoshi Uchida, Piyankarage V. V. Jayaweera, Shoji Kaneko, Yasutake Toyoshima, Jotaro Nakazaki, Takaya Kubo, and Hiroshi Segawa. Applied Physics Express 10, no. 5 (2017): 059102 |
| January 16, 2017 |
"Simulation of current–voltage curves for inverted planar structure perovskite solar cells using equivalent circuit model with inductance." Cojocaru, Ludmila, Satoshi Uchida, Piyankarage V. V. Jayaweera, Shoji Kaneko, Yasutake Toyoshima, Jotaro Nakazaki, Takaya Kubo, and Hiroshi Segawa. Applied Physics Express 10, no. 2 (2017): 025701. |
| November 27—December 2, 2016 |
"Novel PV Power Analyzing System with Maximum Power Point Tracking Technique: Towards The Solution for Evaluation Challenges of Perovskite Solar Cells due to Hysteresis in I-V Measurements" Viraj Jayaweera, Shoji Kaneko, Ludmila Cojocaru, Satoshi Uchida, and Hiroshi Segawa. 2016 MRS Fall Meeting & Exhibit |
| Decmber 3, 2016 |
"Versatile synthesis of fluorine-doped tin (IV) oxide one-dimensional nanostructured thin films". Bandara, Ajith, Kenji Murakami, Rajapakse MG Rajapakse, Piyankarage V. V. Jayaweera, Masaru Shimomura, Herath MN Bandara, D. Liyanage, and Edirisinghege VA Premalal.Thin Solid Films 621 (2016): 229-239 |
| May 25,2016 |
"Solar Cell Research and Related Instrumentation Developments" P. V. V. Jayaweera
Oral presentation in Sri Lanka Institute of Nanotechnology
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| May 20-30,2016 |
"Perovskite Solar Cell Research and Performance Analysis Techniques" P. V. V. Jayaweera
Presentation series in Sri Lankan Universities |
| September 13 - 16, 2015 |
Experimental results taken from our new PV analyzer (VK-PA-25) by Segawa laboratory, University of Tokyo is presented in 76th Japan Society of Applied Physics (JSAP) autumn meeting held at Nagoya Congress Center. Click here for presentation slides. |
| April 26, 2016 |
"Advantages of MPPT as a Solar Cell Characterization Technique" P. V. V. Jayaweera
invited oral presentation in Research Center for Advanced Science and Technology University of Tokyo |
| October 22, 2015 |
"Origin of the Hysteresis in I-V Curves for Planar Structure Perovskite Solar Cells Rationalized with a Surface Boundary InducedCapacitance Model" Ludmila Cojocaru, Satoshi Uchida, Piyankarage V. V. Jayaweera, Shoji Kaneko, Jotaro Nakazaki, Takaya Kubo, and Hiroshi Segawa Chemistry Letters 44, (12), 1750-1752 (2015) |
| February 10 - 12, 2015 |
New generation Transparent Conduction Oxide (TCO) film preparation instrument will be exhibited at SPIE Photonics West conference and exhibition in
San Francisco, California, United States.
Our booth number is 4807 |
| February 26 - 28, 2014 |
New products was exhibited at PV EXPO 2014. |
| Sep 30, 2013 |
Two poster presentations will be presented at EU PVSEC 2013, 28th European Photovoltaic Solar Energy Conference and Exhibition will take place in Paris, France.
- Large Area Dye-sensitized Solar Cells Fabricated by Spray Pyrolysis Deposition under Atmospheric Pressure
- Construction of Automatic Electrolyte Filling Equipment for Large Area Dye-sensitized Solar Cells
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| July, 2013 |
"Ethylene Glycol Assisted Synthesis of Fluorine Doped Tin Oxide Nanorods Using Improved Spray Pyrolysis Deposition Method"Devinda Liyanage, Herath Mudiyanselage Navaratne Bandara, Viraj Jayaweera, and Kenji Murakami. Appl. Phys. Express(6) 085501-04 (2013) |
| February 27- March 1, 2013 |
New products was exibited at PV EXPO 2013.
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| Sep, 2012 |
"Preparation of high quality spray-deposited fluorine-doped tin oxide thin films using dilute di(n-butyl)tin(iv) diacetate precursor solutions" E.V.A. Premalal, N. Dematage, S. Kaneko, A. Konno Thin Solid Films 520 (22) 2012, 6813–6817 |
| May, 2012 |
"Fabrication of Automatic Electrolyte Filling Machine for Dye-Sensitized Solar Cells" P. V. V. Jayaweera and S. Kaneko Instrumentation Science and Technology 40 (6) 490-503 (2012) |
| April, 2012 |
A DSC Fabrication process is anounced by SPD Laboratory Inc.
Click here for details... |
| April 12, 2012 |
Our latest DSC research paper is published in Thin Solid Films.
" Large Area Dye-sensitized Solar Cells with Titanium Based Counter Electrode”
G. R. A. Kumara, S. Kawasaki, P. V. V. Jayaweera, E. V. A. Premalal, S. Kaneko Thin Solid Films 520, (12), 411-4121 (2012) |
February 29- March 2, 2012 |
New products was exibited at PV EXPO 2012.
We have exibited 30 cm square FTO glass and DSC modules together with many products relevant to the R&D of DSC such as automatic electrolyte filling apparatuses for cell and module, electrode pile-up machine, a UV irradiation instrument for hardening sealing agent. |
October 17-19, 2011 |
Poster presentation at the 6th Aceanian Conference on Dye-sensitized and Organic Solar Cells "DSC-6" Beppu, Oita prefecture, Japan |
March 2-4, 2011 |
New products exibited at PV EXPO 2011.
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January 27-28, 2011 |
14 th Annual Workshop was held at the Suzuki guesthouse in the Grand Hotel Hamamatsu |
July 12-15, 2010 |
Poster presentation at Intersolar North America held in San Francisco in 2010.
Download poster pdf file, Programs Guide |
June 13, 2010 |
Poster presentation at 8th ICCG, Braunschweig, Germany.
Download poster as PowerPoint file, jpg image |
March 5, 2010 |
Exhibited PV EXPO 2010, Tokyo Big Sight |
January 28-29, 2010 |
13 th Annual Workshop was held at the guesthouse in the Suzuki Grand Hotel Hamamatsu with 92 participants. (Workshop program) |
November 10, 2009 |
Lecture in the Organic PV Solar Summit Japan
(Click here to download presentation) |
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