A Facile Microwave Assisted Synthesis of La@PbS Nanoparticles and Their Characterizations for Optoelectronics

Autor:	Mohd. Shkir, S. AlFaify, Sivalingam Muthu Mariappan, M. Aslam Manthrammel
Rok vydání:	2021
Předmět:	Materials science Polymers and Plastics business.industry Band gap Doping Nanoparticle chemistry.chemical_element Dielectric chemistry Electrical resistivity and conductivity Phase (matter) Materials Chemistry Lanthanum Optoelectronics Crystallite business
Zdroj:	Journal of Inorganic and Organometallic Polymers and Materials. 32:469-477
ISSN:	1574-1451 1574-1443
Popis:	In this report, we studied the optical and dielectric properties of lanthanum doped lead sulphide (La@PbS) nanoparticles prepared by microwave assisted synthesis method. Crystallite phase of the prepared samples was confirmed through X-ray diffraction analysis. The uniformity and homogeneity of La@PbS was recorded by SEM analysis. The particles size were found to increase with La content. The band gap values vary between 0.87 and 1.00 eV and influenced by the La concentration. Dielectric constants are highly dependent on both the applied frequency and La doping, whose values ranges between 23 and 41. The AC conductivity studies show that, they follow Jonscher’s power law relationship, and their DC electrical resistivity decreases with La concentration. The outcomes suggested that the optoelectronics properties of prepared PbS samples can be widely tuned with La doping.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::467539df2ee1570fe89481617f9821eb https://doi.org/10.1007/s10904-021-02143-6 Zobrazit plný text záznamu Full text from SpringerLink