@misc{j-a,
  title = {Sulfonated Nano Octaphenyl Polyhedral Oligomeric Silsesquioxanes Particles (SPOSS)},
  author = {J. Kim},
  publisher = {National Institute for Materials Science},
  year = {},
  keywords = {Octaphenyl polyhedral oligomeric silsesquioxanes (POSS), Sulfonated POSS (SPOSS), Nano particles, Sulfonation, Organic-inorganic materials, Proton conductor}
}