Effect of [OH-] linkages on luminescent properties of ZnO nanoparticles
  Optical properties of ZnO nanoparticles prepared from a simple chemical method using sodium zincate bath show strong white light emission. X-ray absorption fine structure studies reveal a completely different local environment around Zn in these ZnO nanoparticles. The observed luminescence properties and local structural changes have been explained on the basis of a linkage between Zn and OH- ions in the surface layers of ZnO nanoparticles. 
Teny Theresa John, K R Priolkar, Aur\'elie Bessi\`ere, P R Sarode and   Bruno Viana
cond-mat.mes-hall cond-mat.mtrl-sci