1. Surface Chemistry Laboratory of Electronic Materials (SCHEMA), Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 790-784, South Korea
2. Research Center for Carbon-zero Green Ammonia Cycling, Pohang University of Science and Technology (POSTECH), Pohang 790-784, South Korea
3. Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu 300, Taiwan
4. Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
5. Center for Emergent Functional Matter Science, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan