A process for preparing Tb doped ZnO nanoparticles wherein the molar ratio of Zn(CH3COO)2.2H2O and Tb (CH3COO)3.xH2O is adapted to control the UV to green luminescence intensity ratio and the tunability of UV luminescence energy of the finally obtained Tb doped ZnO nanoparticles.
Indian patent application no. 2103/MUM/2010
Inventors: Subhabrata Dhar, B.P. Singh, T. Kundu, Arindam Chowdhury