1. Department of Applied Physics, University of Tokyo, Bunkyo-ku, Tokyo 113-8656, Japan.
2. Flexible Electronics Research Center (FLEC), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8565, Japan.
3. Condensed Molecular Materials Laboratory, RIKEN, Wako, Saitama 351-0198, Japan.
4. Department of Advanced Materials Science, University of Tokyo, Kashiwa, Chiba 277-8561, Japan.
5. AIST-UTokyo Advanced Operando-Measurement Technology Open Innovation Laboratory (OPERANDO-OIL), National Institute of AIST, Chiba 277-8568, Japan.