Oshadha Ranasingha

Oshadha K. Ranasingha

Assistant Professor

College
Francis College of Engineering
Department
Electrical and Computer Engineering Department, PERC, RURI
Phone
978-934-2336
Office
Saab ETIC 415
Email
oshadha_ranasingha@uml.edu

Expertise

Novel functional materials for printed electronics and additive manufacturing, Synthesis and characterization of different types of nanomaterials, RF and microwave device characterization, Rapid prototyping

Research Interests

  • Functional inks for printed electronics
  • Fully printed micro-supercapacitors
  • Energy harvesting
  • Authentication

Education

  • Ph.D. - West Virginia University, Morgantown, WV - 2015
  • MS - West Virginia University, Morgantown, WV - 2012
  • BSc (Hons) - University of Colombo, Sri Lanka - 2008

Biosketch

Oshadha Ranasingha, Ph.D., works as a Research Assistant Professor at the Department of Electrical and Computer Engineering at University of Massachusetts Lowell since Spring, 2019. He joined UMass-Lowell in Fall, 2017 as a Postdoctoral Research Associate. Currently he is working on functional materials development for printed electronics and additive manufacturing at Raytheon-UMass Lowell Research Institute and Printed Electronics Research Collaborative at UMass-Lowell.

Before joining UMass-Lowell, he received a NSF postdoctoral fellowship to develop inkjet printed high performance transparent conductors. Oshadha has more than 12 years of hands-on experience in the development of novel materials for various applications and more than 5 years of hands-on experience in functional ink development for printed electronics.

Oshadha completed his Ph.D. in Condensed Matter Physics at West Virginia University in 2015. Also, he has a Master's degree in Physics (2012) from West Virginia University and a Bachelor's degree in Physics (2008) from University of Colombo, Sri Lanka.

Selected Awards and Honors

  • Robert T. Bruhn Student Research Award for Nanotechnology and Materials Science, Department of Physics, West Virginia University, 2013

Selected Publications

  • Oshadha Ranasingha, Mahdi Haghzadeh, Edward Kingsley, Craig Armiento and Alkim Akyurtlu, "Formulation and characterization of sinterless barium strontium titanate (BST) dielectric nano inks for RF and microwave applications", Journal of Electronic Materials, 2021, 50 (6), 3241-3248
  • Oshadha Ranasingha, Mahdi Haghzadeh, Andrew Luce, Guinevere Strack, Cameron Hardie, Edward Kingsley, Craig Armiento and Alkim Akyurtlu, "Selective laser sintering of patterned conductive patterns on silver-barium strontium titanate composite material; a material transitioning from insulator to conductor", Flexible and Printed Electronics, 2020, 5 (4), 045007
  • A Luce, G Strack, Oshadha Ranasingha, E Kingsely, C Armiento, A Akyurtlu, "Photonic curing of copper ink films on liquid crystal polymer substrate", MRS Advances 5 (42), 2191-2199
  • Kauffman, Douglas; Alfonso, Dominic; Tafen, De Nyago; Wang, Congjun; Zhou, Yunyun; Yu, Yang; Lekse, Jonathan; Deng, Xingyi; Espinoza, Vanessa; Trindell, Jamie; Ranasingha, Oshadha; Roy, Amitava; Lee, Jun-Sik; Xin, Huolin, "Selective Electrocatalytic Reduction of CO2 into CO at Small, Thiol-Capped Au/Cu Nanoparticles", Journal of Physical Chemistry C, 2018, 122 (49), 27991-28000
  • Oshadha Ranasingha, Hong Wang, Vladimi´r Zobac?, Pavel Jelínek, Gihan Panapitiya, Amanda J Neukirch, Oleg V Prezhdo, James P Lewis, "Slow Relaxation of Surface Plasmon Excitations in Au55: The Key to Efficient Plasmonic Heating in Au/TiO2", Journal of Physical Chemistry Letters, 2016, 7 (8), 1563-1569
  • Oshadha Ranasingha, Congjun Wang, James P. Lewis, Christopher Matranga, "Synthesis, characterization and photocatalytic activity of Au-ZnO nanopyramids", Journal of Materials Chemistry A, 2015, 3, 15141-15147
  • Mark W. Smith, Dushyant Shekhawat, David A. Berry, Daniel J. Haynes, Donald L. Floyd, James J. Spivey, Oshadha Ranasingha, "Carbon formation on Rh-substituted pyrochlore catalysts during partial oxidation of liquid hydrocarbons," Applied Catalysis A: General, 2015, 502, 96-104
  • Congjun Wang, Oshadha Ranasingha, Sittichai Natesakhawat, Paul R. Ohodnicki Jr., Mark Andio, James P. Lewis, Christopher Matranga, "Visible Light Plasmonic Heating of Au/ZnO for the Catalytic Reduction of CO2", Nanoscale, 2013,5, 6968-6974

Selected Presentations

  • Oshadha Ranasingha, Andrew Luce, Edward Kingsley, Craig Armiento, Alkim Akyurtlu, "Selective laser sintered silver?barium strontium titanate resistors for RF and microwave applications", IEEE International Symposium on Antennas and Propagation and North American Radio Science meeting, Montreal, Canada, 2020
  • Oshadha Ranasingha, Mahdi Haghzadeh, Craig Armiento, Alkim Akyurtlu, "Barium strontium titanate nanocomposite dielectric inks with variable dielectric constants for printed electronics", TechConnect WORLD INNOVATION Conference & Expo, Boston, Massachusetts, USA, 2019
  • Oshadha Ranasingha, Mahdi Haghzadeh, Craig Armiento, Alkim Akyurtlu, "Barium Strontium Titanate nanocomposite dielectric inks for flexible RF and Microwave electronics applications", iMAPS New England chapter meeting, Boxborough, Massachusetts, USA, 2019
  • Shokat Ganjeheizadeh, Mahdi Haghzadeh, Oshadha Ranasingha, Craig Armiento, Alkim Akyurtlu, "X-band phase shifter", iMAPS New England chapter meeting, Boxborough, Massachusetts, USA, 2019
  • Oshadha Ranasingha, Mahdi Haghzadeh, Craig Armiento, Alkim Akyurtlu, "Formulation and characterization of sinterless Barium Strontium Titanate (BST) nanocomposite dielectric inks for flexible RF and Microwave electronics applications", Annual Meeting of American Physical Society, Boston, Massachusetts, USA, 2019
  • Oshadha Ranasingha, Mahdi Haghzadeh, Craig Armiento, Alkim Akyurtlu, "Characterization of Barium Strontium Titanate Nanocomposite Dielectric Inks for RF and Microwave Applications", IEEE International Symposium on Antennas and Propagation, Boston, Massachusetts, USA, July 2018
  • Oshadha Ranasingha, "Sinterless Barium Strontium Titanate (BST) nanoparticle dielectric inks for tunable RF and microwave applications", iMAPS New England chapter meeting, Boxborough, Massachusetts, USA, 2018
  • Oshadha Ranasingha, Kalana Jayawardana, Sarah Kepelner, Cal Yapp, John Bailey, Michael Callahan, "Laser Crystallization of Ink Jet printed ITO films for touch panels and transparent heaters", National meeting and exposition, American Chemical Society, Washington DC, 2017
  • Oshadha Ranasingha, Kalana Jayawardana, Sarah Kepelner, Cal Yapp, John Bailey, Michael Callahan, "Laser Crystallization of Ink Jet printed AZO and ITO films for touch panels and transparent heaters", IDTEchEx show, Berlin, Germany, 2017.

Selected Intellectual Property

  • Erika C. Klek, Mary K. Herndon, Thomas V. Sikina, James E. Benedict, Andrew R. Southworth, Kevin M. Wilder, Oshadha K. Ranasingha, Alkim Akyurtlu, "Thick film resistors having customizable resistances and methods of manufacture", US patent, 10839992
  • Oshadha K Ranasingha, M Haghzadeh, A Akyurtlu, CA Armiento, "Printable dielectric mixture and use and manufacture", US Patent Application. 16/184,796
  • Oshadha K. Ranasingha, Mahdi Haghzadeh, Andrew Luce, Guinevere Strack, Cameron Hardie, Edward Kingsley, Craig Armiento and Alkim Akyurtlu, "Printable mixture, manufacture, and use", US Patent Application. 62/881,646
  • Edward Kingsley, Oshadha K. Ranasingha, Andrew M. Luce, Yuri Piro, Craig Armiento and Alkim Akyurtlu, "Metal and dielectric ink based electronic authentication using printed materials", filed on Feb 5, 2020

Selected Contracts, Fellowships, Grants and Sponsored Research

  • Received $150,000 for 2 years from the National Science Foundation through the NSF/ASEE Small Business Postdoctoral Diversity Fellowship program, 2016-2018
  • Proposal Title: High speed laser crystallization of inkjet printed aluminum doped ZnO nanoparticles for high performance transparent conductors

Research Currently in Progress

Development of high performance silver nanoparticle ink for inkjet and aerosol jet printing