“…Now-a-days, lead chalcogenide nanocrystalline semiconducting materials have attracted the attention of many researchers because of their potential applications in solar energy conversion devices [1,2], photosensors (or) photodetectors [3,4], thermoelectric devices [5,6] and nonlinear optical devices. PbSe belongs to IV-VI compound semiconductor, possessing excellent optoelectronic properties and it exhibits cubic structure with face centered phase.…”