1. Graphy Inc., Seoul 08826, Republic of Korea
2. Program in Biosystems and Biomaterials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
3. Research Institute of Agriculture and Life Sciences, and Bioresources, Seoul National University, Seoul 08826, Republic of Korea
4. Department of Organic Materials Engineering, Chungnam National University, Daejeon 34134, Republic of Korea