Affiliation: | 1. Samsung Advanced Institute of Technology Mt. 14‐1, Nongseo‐Ri, Giheung‐Eup, Yongin‐Si, Gyeonggi‐Do, Korea 449‐712 (Korea);2. School of Electrical Engineering and Computer Science Inter‐University Semiconductor Research Center Seoul National University Seoul 151‐744 (Korea);3. Division of Environmental and Chemical Engineering Chonbuk National University Jeonju 561‐756 (Korea);4. School of Chemical and Biological Engineering NANO Systems Institute‐National Core Research Center Seoul National University Seoul 151‐744 (Korea) |