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Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX最新文献

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Blocking plasmon-molecule charge transfer using surface ligands 利用表面配体阻断等离子体-分子电荷转移
Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX Pub Date : 2021-08-02 DOI: 10.1117/12.2594606
T. Habteyes, Hamed Kookhaee, T. Tesema
{"title":"Blocking plasmon-molecule charge transfer using surface ligands","authors":"T. Habteyes, Hamed Kookhaee, T. Tesema","doi":"10.1117/12.2594606","DOIUrl":"https://doi.org/10.1117/12.2594606","url":null,"abstract":"We will present the manifestations of plasmon-molecule energy and electron transfer processes as observed surface enhanced Raman spectroscopy (SERS). We observe that in presence of intermediary surface ligands, the electron transfer channel is turned off. On the other hand, the presence of surface ligands facilitates plasmon to molecule energy transfer (plasmon pumped adsorbate intramolecular electronic excitation) by orienting the analyte molecules along the surface field vector as well as by prolonging the excited state lifetime. The adsorbate excitation appears to be followed by singlet to triplet intersystem crossing that leads to singlet oxygen generation that initiates N-demethylation reaction as demonstrated using the reactivity of methylene.","PeriodicalId":118068,"journal":{"name":"Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130671691","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High spatiotemporal resolution live-cell imaging on plasmonic metasurfaces 等离子体超表面的高时空分辨率活细胞成像
Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX Pub Date : 2021-08-01 DOI: 10.1117/12.2593643
K. Tamada, Shi Ting Lee, Shihomi Masuda, Thasaneeya Kuboki, Yusuke Arima, S. Kidoaki, K. Okamoto, Yukiko Aida, Sou Ryuzaki
{"title":"High spatiotemporal resolution live-cell imaging on plasmonic metasurfaces","authors":"K. Tamada, Shi Ting Lee, Shihomi Masuda, Thasaneeya Kuboki, Yusuke Arima, S. Kidoaki, K. Okamoto, Yukiko Aida, Sou Ryuzaki","doi":"10.1117/12.2593643","DOIUrl":"https://doi.org/10.1117/12.2593643","url":null,"abstract":"Recently we have developed LSPR-mediated high resolution live-cell imaging techniques for adhesive cells on plasmonic metasurface composed of self-assembled gold or silver nanoparticles. Compared with other super-resolution microscopy techniques, our LSPR-mediated imaging is extremely simple but quite effective for monitoring the molecular dynamics at a nanointerface. The LSPR of the plasmonic metasurface provides high-contrast interfacial images due to the confined light within a region a few tens of nanometers from the particles and the enhancement of fluorescence. The improved lateral resolution reaches down to the theoretical limit even during cell movement due to the properties of the metasurface with an extremely high refractive index. In the presentation, we will present our latest imaging data concerning molecular dynamics in live cells, which were not visualized by other super-resolution imaging methods with low temporal resolution.","PeriodicalId":118068,"journal":{"name":"Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126904462","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Core-shell excitonic nanoparticles emulating plasmon like-properties 模拟等离激元性质的核壳激子纳米粒子
Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX Pub Date : 2021-08-01 DOI: 10.1117/12.2594115
C. Estévez-Varela, S. Núñez-Sánchez, J. Pérez‐Juste, I. Pastoriza‐Santos
{"title":"Core-shell excitonic nanoparticles emulating plasmon like-properties","authors":"C. Estévez-Varela, S. Núñez-Sánchez, J. Pérez‐Juste, I. Pastoriza‐Santos","doi":"10.1117/12.2594115","DOIUrl":"https://doi.org/10.1117/12.2594115","url":null,"abstract":"Plasmonic materials are well stablished and used in fields like biomedicine or energy harvesting due to their exceptional optical properties. One of the most interesting characteristics of plasmonic nanoparticles is their ability to confine light at the nanoscale. Nevertheless, such behaviour can also be found in some non-metallic materials as in organic-excitonic materials based on J-aggregates. Herein, we evaluate the synthetic route to obtain colloidal dispersions of excitonic core-shell nanoparticles that can mimicking plasmonic behaviour.","PeriodicalId":118068,"journal":{"name":"Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX","volume":"84 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133326232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Probing thermal radiation of single or a small number of plasmonic nano-antennas 探测单个或少量等离子体纳米天线的热辐射
Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX Pub Date : 2021-08-01 DOI: 10.1117/12.2594091
Loubnan Abou Hamdan, V. Krachmalnicoff, R. Haïdar, P. Bouchon, Y. D. Wilde
{"title":"Probing thermal radiation of single or a small number of plasmonic nano-antennas","authors":"Loubnan Abou Hamdan, V. Krachmalnicoff, R. Haïdar, P. Bouchon, Y. D. Wilde","doi":"10.1117/12.2594091","DOIUrl":"https://doi.org/10.1117/12.2594091","url":null,"abstract":"The electromagnetic modes of a sub-wavelength sized antenna can be excited both optically and through thermal fluctuations. When dealing with individual or a small number of nano-antennas, highly sensitive techniques, such as thermal radiation scanning tunneling microscopy, and infrared spatial modulation spectroscopy, are required in order to extract the very weak emitted thermal radiation. Using these techniques, we have been able to characterize the thermal emission of a single pair of sub-λ metal-insulator-metal antennas separated by a nanometric gap. It is found that the various hybrid modes of a single antenna pair can be simultaneously excited by thermal fluctuations, an essentially incoherent process arising from fluctuating thermal currents. \u0000The effect of hybrid plasmonic modes on the resonant behavior of the considered antenna system may guide future efforts for realizing tunable optical and thermal structures made up of a small number of antennas, for various applications.","PeriodicalId":118068,"journal":{"name":"Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127810731","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tip-enhanced Raman spectroscopy for as-fabricated nanoscale characterization 尖端增强拉曼光谱用于制备纳米级表征
Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX Pub Date : 2021-08-01 DOI: 10.1117/12.2594361
Maria Vanessa B. Oguchi, N. Hayazawa, Takuo Tanaka
{"title":"Tip-enhanced Raman spectroscopy for as-fabricated nanoscale characterization","authors":"Maria Vanessa B. Oguchi, N. Hayazawa, Takuo Tanaka","doi":"10.1117/12.2594361","DOIUrl":"https://doi.org/10.1117/12.2594361","url":null,"abstract":"","PeriodicalId":118068,"journal":{"name":"Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX","volume":"2013 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127411957","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Counting the plasmonic generation of non-thermal hot carrier with a AlGaN/GaN high electron mobility transistor 用AlGaN/GaN高电子迁移率晶体管计算非热载流子的等离子体产生
Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX Pub Date : 2021-08-01 DOI: 10.1117/12.2594103
Chun-Yu Liu, Chi-Ching Liu, W. Lai, Y. Lan, Yun‐Chorng Chang
{"title":"Counting the plasmonic generation of non-thermal hot carrier with a AlGaN/GaN high electron mobility transistor","authors":"Chun-Yu Liu, Chi-Ching Liu, W. Lai, Y. Lan, Yun‐Chorng Chang","doi":"10.1117/12.2594103","DOIUrl":"https://doi.org/10.1117/12.2594103","url":null,"abstract":"In this study, we demonstrate the ability to exclude the thermal effect and detect the generation of non-thermal hot carriers by surface plasmon using an AlGaN/GaN high-electron-mobility transistor. We will also provide a theoretical model to explain the detecting mechanism. This proposed platform is very sensitive, which is at least two orders of magnitude more sensitive compared to the previous reports, can detect the hot carriers generated from discrete nanostructures illuminated by a continuous wave light. The quantitative measurements of hot carrier generation also open a new way to optimize the plasmonic nanoantenna design in many applications.","PeriodicalId":118068,"journal":{"name":"Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131673849","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Metamaterial thermoelectric device 超材料热电装置
Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX Pub Date : 2021-08-01 DOI: 10.1117/12.2593812
W. Kubo
{"title":"Metamaterial thermoelectric device","authors":"W. Kubo","doi":"10.1117/12.2593812","DOIUrl":"https://doi.org/10.1117/12.2593812","url":null,"abstract":"Temperature gradient across a thermoelectric device is a keystone to generate electricity based on Seebeck effect. Here, we propose a metamaterial thermoelectric device that is able to generate electricity even under homogeneous temperature environment. Metamaterial perfect absorber fabricated on a thermoelectric device electrode absorbs thermal radiation emitted from the surrounding environment, resulting in a generation of local heating. The local heating propagates to the underneath thermoelectric device through a metal electrode, resulting in an additional thermal gradient across the device. We examined the metamaterial thermoelectric device performance put in a homogeneous temperature environment at 423 K and found that an additional thermal gradient of 0.5 K is added to the bismuth telluride thermoelectric device.","PeriodicalId":118068,"journal":{"name":"Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132623664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Directional light emission by dipoles coupled to a dielectric nanosphere at atomically small distances 偶极子耦合到介电纳米球在原子小距离上的定向光发射
Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX Pub Date : 2021-08-01 DOI: 10.1117/12.2594965
Kan Yao, Jie Fang, Yuebing Zheng
{"title":"Directional light emission by dipoles coupled to a dielectric nanosphere at atomically small distances","authors":"Kan Yao, Jie Fang, Yuebing Zheng","doi":"10.1117/12.2594965","DOIUrl":"https://doi.org/10.1117/12.2594965","url":null,"abstract":"","PeriodicalId":118068,"journal":{"name":"Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133966063","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
In memorium: Mark Stockman 纪念:马克·斯托克曼
Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX Pub Date : 2021-08-01 DOI: 10.1117/12.2605603
Yu-Jung Lu, Takuo Tanaka, D. Tsai
{"title":"In memorium: Mark Stockman","authors":"Yu-Jung Lu, Takuo Tanaka, D. Tsai","doi":"10.1117/12.2605603","DOIUrl":"https://doi.org/10.1117/12.2605603","url":null,"abstract":"","PeriodicalId":118068,"journal":{"name":"Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX","volume":"164 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116411912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Plasmon-enhanced vibrational nanoscopy for molecular imaging and analysis 用于分子成像和分析的等离子体增强振动纳米显微镜
Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX Pub Date : 2021-08-01 DOI: 10.1117/12.2597116
T. Yano, Takuo Tanaka
{"title":"Plasmon-enhanced vibrational nanoscopy for molecular imaging and analysis","authors":"T. Yano, Takuo Tanaka","doi":"10.1117/12.2597116","DOIUrl":"https://doi.org/10.1117/12.2597116","url":null,"abstract":"Tip-enhanced optical microscopy using a metallic probe has been recognized as one of the most promising applications of plasmonics. Here, we present multimodal tip-enhanced vibrational microscopy enabling to perform nanoscale Raman and IR imaging beyond the diffraction limit of light.","PeriodicalId":118068,"journal":{"name":"Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126631075","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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