I. A. Shuklov, D. V. Dyomkin, V. A. Konavicheva, V. S. Popov, V. F. Razumov
{"title":"Investigation of Ligand Exchange in Thin Films of PbS Colloidal Quantum Dots with FTIR-Spectroscopy","authors":"I. A. Shuklov, D. V. Dyomkin, V. A. Konavicheva, V. S. Popov, V. F. Razumov","doi":"10.1134/s1064226923140152","DOIUrl":null,"url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>To optimize photosensitive structures based on colloidal lead sulfide quantum dots, the rate and completeness of replacement in thin layers was studied using Fourier transform infrared spectroscopy on a multiple attenuated total internal reflection attachment. The rate of ligand replacement in a thin layer of colloidal lead sulfide quantum dots when replaced by iodide ion in different solvents was studied for the first time. A change in the composition of the shells of PbS nanoparticles under the influence of a number of solvents and when replacing them with thiocyanate ions was shown. For the first time, the replacement of the oleate ligand shell with pure formamide has been established.</p>","PeriodicalId":50229,"journal":{"name":"Journal of Communications Technology and Electronics","volume":"46 1","pages":""},"PeriodicalIF":0.4000,"publicationDate":"2024-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Communications Technology and Electronics","FirstCategoryId":"94","ListUrlMain":"https://doi.org/10.1134/s1064226923140152","RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
引用次数: 0
Abstract
To optimize photosensitive structures based on colloidal lead sulfide quantum dots, the rate and completeness of replacement in thin layers was studied using Fourier transform infrared spectroscopy on a multiple attenuated total internal reflection attachment. The rate of ligand replacement in a thin layer of colloidal lead sulfide quantum dots when replaced by iodide ion in different solvents was studied for the first time. A change in the composition of the shells of PbS nanoparticles under the influence of a number of solvents and when replacing them with thiocyanate ions was shown. For the first time, the replacement of the oleate ligand shell with pure formamide has been established.
期刊介绍:
Journal of Communications Technology and Electronics is a journal that publishes articles on a broad spectrum of theoretical, fundamental, and applied issues of radio engineering, communication, and electron physics. It publishes original articles from the leading scientific and research centers. The journal covers all essential branches of electromagnetics, wave propagation theory, signal processing, transmission lines, telecommunications, physics of semiconductors, and physical processes in electron devices, as well as applications in biology, medicine, microelectronics, nanoelectronics, electron and ion emission, etc.