1. Photo-electronic
Hybrids Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea
2. Carbon
Nanomaterials Design Laboratory, Global Research Laboratory, Research
Institute of Advanced Materials, Department of Materials Science and
Engineering, Seoul National University, Seoul 08826, Republic of Korea
3. Department
of Applied Organic Materials Engineering, Inha University, Incheon 402-751, Republic of Korea
4. Electronics and Telecommunications Research Institute (ETRI), Daejeon 34129, Republic of Korea
5. Nano-Materials
and Engineering, Korea University of Science and Technology (UST), Daejeon 34113, Republic of Korea