Affiliation: | 1.School of Applied Chemical Engineering, Chonnam National University, Gwangju, 500-757, South Korea;2.The Research Institute for Catalysis, Chonnam National University, Gwangju, 500-757, South Korea;3.Materials Development Center, R&D Division for Hyundai Kia Motors, Hwaseong, Gweonggi-do, 445-130, South Korea |