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Ultrafast Dynamics of Photoexcited Hot Carrier Generation and Injection in AgNWs@TiO2@GNS Nanostructures
Li, Yiwen; Cheng, Jiaji; Li, Junzi; Delville, Marie-Helene; Treguer-Delapierre, Mona; He, Tingchao; Chen, Rui; Tang, Zikang
2018-07-05
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
ISSN1932-7447
Volume122Issue:26Pages:14857-14864
AbstractThe generation and injection of hot electrons in plasmonic nanostructures have received a wide-range potential application in the next generation of ultrafast nanophotonics as well as energy harvesting, storage and conversion. In many cases, the energetic carriers with high energy beyond Fermi level are desirable for photochemical reactions due to the tremendous efficient hot electron injection. However, directly electron electron scattering lifetime observations have few reported and hot electrons generally suffer from a low generation efficiency in conventional plasmonic nanostructures. This paper reports on the fabrication of hybrid AgNWs@TiO(2)pAu core shell nanostructures and the investigation of the ultrafast dynamics of their energetic carriers based on interband and intraband excitations through transient absorption spectroscopy measurements. Finally, the different electronic transition processes are discussed in terms of ultrafast decay response, which is necessary to design proper nanostructures aimed at efficient hot electron injection.
DOI10.1021/acs.jpcc.8b05017
URLView the original
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000438178900069
PublisherAMER CHEMICAL SOC
The Source to ArticleWOS
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Cited Times [WOS]:4   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Recommended Citation
GB/T 7714
Li, Yiwen,Cheng, Jiaji,Li, Junzi,et al. Ultrafast Dynamics of Photoexcited Hot Carrier Generation and Injection in AgNWs@TiO2@GNS Nanostructures[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2018,122(26):14857-14864.
APA Li, Yiwen.,Cheng, Jiaji.,Li, Junzi.,Delville, Marie-Helene.,Treguer-Delapierre, Mona.,...&Tang, Zikang.(2018).Ultrafast Dynamics of Photoexcited Hot Carrier Generation and Injection in AgNWs@TiO2@GNS Nanostructures.JOURNAL OF PHYSICAL CHEMISTRY C,122(26),14857-14864.
MLA Li, Yiwen,et al."Ultrafast Dynamics of Photoexcited Hot Carrier Generation and Injection in AgNWs@TiO2@GNS Nanostructures".JOURNAL OF PHYSICAL CHEMISTRY C 122.26(2018):14857-14864.
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