1. College of Materials and Chemical Engineering, China Three Gorges University, Yichang, Hubei 443002, China
2. Department of Electrical Engineering, École de Technologie Supérieure (ÉTS), Montréal, Québec H3C 1K3, Canada
3. Institut National de La Recherche Scientifique (INRS), Énergie Matériaux Télécommunications Research Centre, Varennes, Québec J3X 1P7, Canada
4. Hubei Three Gorges Laboratory, Yichang, Hubei 443007, China