Colloidal Synthesis of CdTe Nanocrystals by Laser Ablation and Fabrication of Hybrid Light Emitting Device

Abstract

Cadmium telluride (CdTe) nanocrystals (NCs) have gained the interest of researchers as an electrode material in hybrid light emitting devices (HLEDs) due to their potential high ability. In this study, CdTe nanocrystals were synthesized applying a 600 mJ Nd: YAG laser with 150 pulses to create a light emitting device consisting of ITO/CdTe/TPD/Ni. The spectra of CdTe NCs have been measured using UV-VIS and photoluminescence. The energy gap (Eg) within cadmium telluride (CdTe) NCs described as the (PL) spectrum has been determined to be around 3.6 eV. Cadmium telluride (CdTe) NCs developed via laser ablation improve the performance of the HLEDs by enhancing the carrier's charge mobility and, as an additional reward, by increasing recombination reactions inside cadmium telluride (CdTe) NCs with TPD organic polymer. In addition to illumination at 3V, current-voltage (I-V) requirements determine the appropriate environment and formation.