1. Division of Materials Science and Engineering Hanyang University 222 Wangsimni‐ro Seongdong‐gu Seoul 04763 Republic of Korea
2. Department of Materials Science and Engineering and California NanoSystems Institute University of California Los Angeles CA 90095 USA
3. Department of Materials Science and Engineering Pennsylvania State University University Park PA 16802 USA
4. Hydrogen Research Department Korea Institute of Energy Research 152 Gajeong‐ro Yuseong‐gu Daejeon 34129 Republic of Korea
5. SKKU Advanced Institute of Nanotechnology (SAINT) and Department of Nano Engineering Sungkyunkwan University (SKKU) Suwon 16419 Republic of Korea
6. Department of Mechanical Engineering The University of Tokyo Tokyo 113–8656 Japan
7. Department of Chemistry University of Banja Luka Banja Luka 78000 Bosnia and Herzegovina