Presentation Information
[1P33]Synthesis and dispersion control of Ni and Cu nanoparticles on Hydrogen Boride Nanosheets
*Myu Kawase1, Natsumi Noguchi1, Shin-ichi Ito2, Miwa Hikichi2, Ryuki Tsuji2, Osamu Oki 2, Takeshi Fujita3, Ken Sakaushi2,4, Takahiro Kondo 2,4 (1. University of Tsukuba, 2. Department of Materials Science, Institute of Pure and Applied Sciences, University of Tsukuba , 3. Kochi University of Technology, 4. National Institute for Materials Science)
Hydrogen boride (HB) nanosheets are two-dimensional materials with reductive properties that enable the formation of metal nanoclusters without external reducing agents. In this study, Cu and Ni nanoparticles were synthesized on HB nanosheets by sequentially mixing metal complexes. Two compositions (Cu5-Ni5/HB100 and Cu0.1–Ni0.1/HB100) were compared. TEM–EDX analysis showed that in Cu5-Ni5/HB100, Ni was uniformly dispersed while Cu showed both dispersed and agglomerated forms. Nanoclusters with a size of approximately 2 nm were observed. XRD detected only Cu peaks, suggesting Ni clusters were too small to detect. In contrast, Cu0.1–Ni0.1/HB100 showed no agglomeration or nanoclusters. In addition, no XRD peaks corresponding to either metal were detected, indicating atomic dispersion. These results demonstrate that the amount of metal loading strongly influences nanoparticle formation and dispersion.