{"title":"阐明银涂层金纳米棒中的等离子体阻尼:单颗粒分析和阻尼调整","authors":"Rafifah Hana Raihana Syam, Ji Won Ha","doi":"10.1002/bkcs.12894","DOIUrl":null,"url":null,"abstract":"<p>We demonstrate the morphology and spectral properties of silver-coated gold nanorods (AuNRs@Ag), synthesized via seed-mediated growth, using scanning electron microscopy (SEM) and dark-field (DF) spectroscopy. The relationship between surface damping and the thickness of the Ag shell in AuNRs was analyzed at the single-particle level. Additionally, we adjusted the bulk damping and radiation damping of AuNRs to elucidate the contribution of surface damping. SEM images demonstrated an increase in length and width following Ag deposition. Elemental mapping analysis confirmed the Ag deposition on the AuNR surface, with Ag content measured at 26.7% for AuNR@Ag<sub>26.7</sub> with a 1-day incubation period and 34.8% for AuNR@Ag<sub>34.8</sub> with a 2-day incubation period. DF spectroscopy revealed a notable blue shift and slight broadening in their LSPR spectra. Moreover, surface damping decreased with an increase in Ag content. Consequently, this study advances the understanding of plasmon damping mechanisms in single AuNR@Ag for their potential applications.</p>","PeriodicalId":54252,"journal":{"name":"Bulletin of the Korean Chemical Society","volume":null,"pages":null},"PeriodicalIF":1.7000,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Elucidating plasmon damping in silver-coated gold nanorods: Single particle analysis and damping adjustment\",\"authors\":\"Rafifah Hana Raihana Syam, Ji Won Ha\",\"doi\":\"10.1002/bkcs.12894\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>We demonstrate the morphology and spectral properties of silver-coated gold nanorods (AuNRs@Ag), synthesized via seed-mediated growth, using scanning electron microscopy (SEM) and dark-field (DF) spectroscopy. The relationship between surface damping and the thickness of the Ag shell in AuNRs was analyzed at the single-particle level. Additionally, we adjusted the bulk damping and radiation damping of AuNRs to elucidate the contribution of surface damping. SEM images demonstrated an increase in length and width following Ag deposition. Elemental mapping analysis confirmed the Ag deposition on the AuNR surface, with Ag content measured at 26.7% for AuNR@Ag<sub>26.7</sub> with a 1-day incubation period and 34.8% for AuNR@Ag<sub>34.8</sub> with a 2-day incubation period. DF spectroscopy revealed a notable blue shift and slight broadening in their LSPR spectra. Moreover, surface damping decreased with an increase in Ag content. Consequently, this study advances the understanding of plasmon damping mechanisms in single AuNR@Ag for their potential applications.</p>\",\"PeriodicalId\":54252,\"journal\":{\"name\":\"Bulletin of the Korean Chemical Society\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":1.7000,\"publicationDate\":\"2024-08-27\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Bulletin of the Korean Chemical Society\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1002/bkcs.12894\",\"RegionNum\":4,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Bulletin of the Korean Chemical Society","FirstCategoryId":"92","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/bkcs.12894","RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Elucidating plasmon damping in silver-coated gold nanorods: Single particle analysis and damping adjustment
We demonstrate the morphology and spectral properties of silver-coated gold nanorods (AuNRs@Ag), synthesized via seed-mediated growth, using scanning electron microscopy (SEM) and dark-field (DF) spectroscopy. The relationship between surface damping and the thickness of the Ag shell in AuNRs was analyzed at the single-particle level. Additionally, we adjusted the bulk damping and radiation damping of AuNRs to elucidate the contribution of surface damping. SEM images demonstrated an increase in length and width following Ag deposition. Elemental mapping analysis confirmed the Ag deposition on the AuNR surface, with Ag content measured at 26.7% for AuNR@Ag26.7 with a 1-day incubation period and 34.8% for AuNR@Ag34.8 with a 2-day incubation period. DF spectroscopy revealed a notable blue shift and slight broadening in their LSPR spectra. Moreover, surface damping decreased with an increase in Ag content. Consequently, this study advances the understanding of plasmon damping mechanisms in single AuNR@Ag for their potential applications.
期刊介绍:
The Bulletin of the Korean Chemical Society is an official research journal of the Korean Chemical Society. It was founded in 1980 and reaches out to the chemical community worldwide. It is strictly peer-reviewed and welcomes Accounts, Communications, Articles, and Notes written in English. The scope of the journal covers all major areas of chemistry: analytical chemistry, electrochemistry, industrial chemistry, inorganic chemistry, life-science chemistry, macromolecular chemistry, organic synthesis, non-synthetic organic chemistry, physical chemistry, and materials chemistry.