1. Nanomaterials and Polymer Nanocomposites Laboratory, School of Engineering, University of British Columbia, Kelowna, BC V1V 1V7, Canada;
2. Transformer Team, FortisBC, Kelowna, BC V1Y 6H7, Canada
3. School of Engineering, Tarleton State University, Stephenville, TX 76401
4. Nanomaterials and Polymer Nanocomposites Laboratory, School of Engineering, University of British Columbia, Kelowna, BC V1V 1V7, Canada