1. National Institute of Advanced Industrial Science & Technology, Tsukuba, 305-8568, Japan
2. Organic
Materials Science, Sandia National Laboratory, Albuquerque, New Mexico 87185, United States
3. Sensors
and Electrochemical Devices Group, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
4. Proton Onsite, Wallingford, Connecticut 06492, United States
5. Physics
and Chemistry of Materials, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States