{"title":"单管碳纳米管中的氧缺陷，用于近红外波段的辐射源。","authors":"T.B. Ерёмин, B.A. Ерёмина, Е. Д. Образцова","doi":"10.21883/os.2023.01.54547.4365-22","DOIUrl":null,"url":null,"abstract":"A new peak with an increased intensity was observed in the photoluminescence (PL) spectra of single-walled carbon nanotubes (SWCNTs), exposed to UV irradiation in the presence of sodium hypochlorite. It was concluded on the basis of the spectroscopic data that the new PL peak is associated with oxygen defects in the SWCNT structure. The impact of environmental acidity on the optical properties of oxygen-doped SWCNTs (O-SWNTs) was investigated. An increased sensitivity of the new PL peak to the pH of the medium was observed. It was concluded that the usage of a pH-neutral medium is of crucial importance for the creation of IR light sources based on O-SWNTs.","PeriodicalId":24059,"journal":{"name":"Оптика и спектроскопия","volume":"41 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Кислородные дефекты в одностенных углеродных нанотрубках для источников излучения в ближнем инфракрасном диапазоне\",\"authors\":\"T.B. Ерёмин, B.A. Ерёмина, Е. Д. Образцова\",\"doi\":\"10.21883/os.2023.01.54547.4365-22\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A new peak with an increased intensity was observed in the photoluminescence (PL) spectra of single-walled carbon nanotubes (SWCNTs), exposed to UV irradiation in the presence of sodium hypochlorite. It was concluded on the basis of the spectroscopic data that the new PL peak is associated with oxygen defects in the SWCNT structure. The impact of environmental acidity on the optical properties of oxygen-doped SWCNTs (O-SWNTs) was investigated. An increased sensitivity of the new PL peak to the pH of the medium was observed. It was concluded that the usage of a pH-neutral medium is of crucial importance for the creation of IR light sources based on O-SWNTs.\",\"PeriodicalId\":24059,\"journal\":{\"name\":\"Оптика и спектроскопия\",\"volume\":\"41 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2023-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Оптика и спектроскопия\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.21883/os.2023.01.54547.4365-22\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Оптика и спектроскопия","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.21883/os.2023.01.54547.4365-22","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
摘要
在次氯酸钠存在下暴露于紫外照射下的单壁碳纳米管(SWCNTs)的光致发光(PL)光谱中观察到一个强度增加的新峰。根据光谱数据得出结论，新的PL峰与碳纳米管结构中的氧缺陷有关。研究了环境酸度对氧掺杂SWCNTs (o - SWCNTs)光学性能的影响。观察到新的PL峰对培养基pH值的敏感性增加。结论是，使用ph中性介质对于基于o - swnt的红外光源的创建至关重要。
Кислородные дефекты в одностенных углеродных нанотрубках для источников излучения в ближнем инфракрасном диапазоне
A new peak with an increased intensity was observed in the photoluminescence (PL) spectra of single-walled carbon nanotubes (SWCNTs), exposed to UV irradiation in the presence of sodium hypochlorite. It was concluded on the basis of the spectroscopic data that the new PL peak is associated with oxygen defects in the SWCNT structure. The impact of environmental acidity on the optical properties of oxygen-doped SWCNTs (O-SWNTs) was investigated. An increased sensitivity of the new PL peak to the pH of the medium was observed. It was concluded that the usage of a pH-neutral medium is of crucial importance for the creation of IR light sources based on O-SWNTs.
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