1. Department of Chemical and Biomolecular Engineering (BK21+
Program), Korea Advance Institute of Science and Technology (KAIST), Daejeon 305-701, Korea
2. Defense
Material and Evaluation Technology Directorate, Agency for Defense Development, Daejeon 305-600, Korea
3. Department of Energy Engineering, Woosuk University, 66 Daehag-ro, Jincheon-eup, Jincheon-gun, Chungbuk 365-803, Korea