ABSTRACT
Materials with nanoscopic dimensions such as quantum dots, nanowires, nanorods, and nanotubes have attracted a great deal of attention during the last four decades [1, 2]. Due to their applications in solar cells [3], catalysis [4], light emitting devices [5, 6], resonant tunneling devices [7], and lasers [8]. Blue shift in the optical absorption spectra, size dependent luminescence, enhanced oscillator strength, and nonlinear optical effect is some of the interesting properties exhibited by these nanocrystals. It was observed that the particle size decreases with decreasing synthesis temperature [9, 10]. The doping of transition metal ion such as Mn, Cu, Co, and so on opens up possibilities of forming new class of material and new properties of the materials are expected. The transition metal doped nanoparticles show different optical properties corresponding to their host counterparts. These nanoparticles have found tremendous application in optical light emitting diodes [11-14].
