| abstract |
Polysilsesquioxane-coated silicon nanoparticles, or a sintered product thereof, comprising silicon nanoparticles, which have a volume-based average particle size of 10-500 nm, exclusive, and do not include particles having a particle size of 1000 nm or larger, and polysilsesquioxane, which coats the silicon nanoparticles and is chemically bonded to the surfaces of the silicon nanoparticles, said polysilsesquioxane-coated silicon nanoparticles or a sintered product thereof having Si-H bonds. When observed using a transmission electron microscope (TEM), the thickness of the polysilsesquioxane is 1-30 nm, inclusive. |