Solvothermal Synthesis And Optical Properties Of InP Nanomaterials

Nanomaterials have good application prospects in the field of optoelectronics due to its unique quantum effect.Among them,InP nanomaterials is one of the most promising materials,due to the same energy band structure as CdSe,low toxicity,and tunable covering wavelengths from visible light to near-infrared light.The application of nanomaterials is mainly focused on its optical properties.Previous studies have focused on Cd-based nanomaterials.Then,there has been little research on InP nanomaterials.This is the starting point of this dissertation.This topic mainly focuses on the optical properties of ZnS shell-passivated InP nanomaterials and systematically studies the optical properties of InP/ZnS nanomaterials.The solvothermal method was used to obtain high-quality InP/ZnS quantum dot samples,and the prepared samples were annealed.The samples were characterized by fluorescence spectra of variable temperature and variable power to obtain the exact influence of annealing on the optical properties of the samples,which provides technical support for the performance of LEDs,lasers,and detectors based on InP/ZnS nanomaterials.The Z-scan technique was used to study the nonlinear optical properties of InP/ZnS quantum dots.It provides basic support for the application of InP/ZnS QDs in nonlinear optical devices and optical limiting applications.