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Plasmon-induced hot electron transfer in AgNW@TiO2@AuNPs nanostructures
Jiaji Cheng1,2; Yiwen Li3,4; Marie Plissonneau1; Jiagen Li5; Junzi Li2; Rui Chen3; Zikang Tang4; Lauriane Pautrot-d’Alençon6; Tingchao He2; Mona Tréguer-Delapierre1; Marie-Hélène Delville1
2018-09-20
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
Volume8
Other Abstract

Compared to the limited absorption cross-section of conventional photoactiveTiO(2) nanoparticles (NPs), plasmonic metallic nanoparticles can efficiently convert photons from an extended spectrum range into energetic carriers because of the localized surface plasmon resonance (LSPR). Using these metal oxide semiconductors as shells for plasmonic nanoparticles (PNPs) that absorb visible light could extend their applications. The photophysics of such systems is performed using transient absorption measurements and steady extinction simulations and shows that the plasmonic energy transfer from the AgNWs core to the TiO2 shell results from a hot carrier injection process. Lifetimes obtained from photobleaching decay dynamics suggest that (i) the presence of gold nanoparticles (AuNPs) in AgNWs@TiO2@AuNPs systems can further promote the hot carrier transfer process via plasmonic coupling effects and (ii) the carrier dynamics is greatly affected by the shell thickness of TiO2. This result points out a definite direction to design appropriate nanostructures with tunable charge transfer processes toward photo-induced energy conversion applications.

DOI10.1038/s41598-018-32510-2
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000445079400057
PublisherNATURE PUBLISHING GROUP
The Source to ArticleWOS
Scopus ID2-s2.0-85053614555
Fulltext Access
Citation statistics
Document TypeJournal article
CollectionINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding AuthorTingchao He; Mona Tréguer-Delapierre; Marie-Hélène Delville
Affiliation1.CNRS, Univ. Bordeaux, ICMCB, UMR 5026, F-33608, Pessac, France.
2.College of Physics and Energy, Shenzhen University, Shenzhen, 518060, People’s Republic of China
3.Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, 518055, China.
4.The Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macau, China
5.School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen, People’s Republic of China
6.Solvay, 52 rue de la Haie Coq, Aubervilliers, F93308, France
Recommended Citation
GB/T 7714
Jiaji Cheng,Yiwen Li,Marie Plissonneau,et al. Plasmon-induced hot electron transfer in AgNW@TiO2@AuNPs nanostructures[J]. SCIENTIFIC REPORTS, 2018, 8.
APA Jiaji Cheng., Yiwen Li., Marie Plissonneau., Jiagen Li., Junzi Li., Rui Chen., Zikang Tang., Lauriane Pautrot-d’Alençon., Tingchao He., Mona Tréguer-Delapierre., & Marie-Hélène Delville (2018). Plasmon-induced hot electron transfer in AgNW@TiO2@AuNPs nanostructures. SCIENTIFIC REPORTS, 8.
MLA Jiaji Cheng,et al."Plasmon-induced hot electron transfer in AgNW@TiO2@AuNPs nanostructures".SCIENTIFIC REPORTS 8(2018).
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