In Operando Characterization and Control over Intermittent Light Emission from Molecular Tunnel Junctions via Molecular Backbone Rigidity
Abstract: In principle, excitation of surface plasmons by molecular tunnel junctions can be controlled at the molecular level. Stable electrical excitation sources of surface plasmons are therefore desirable. Herein, molecular junctions are reported where tunneling charge carriers excite surface plasmons in the gold bottom electrodes via inelastic tunneling and it is shown that the intermittent light emission (blinking) originates from conformational dynamics of the molecules. The blinking rates, in turn, are controlled by changing the rigidity of the molecular backbone. Power spectral density analysis shows that molecular junctions with flexible aliphatic molecules blink, while junctions with rigid aromatic molecules do not.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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In Operando Characterization and Control over Intermittent Light Emission from Molecular Tunnel Junctions via Molecular Backbone Rigidity ; volume:6 ; number:20 ; year:2019 ; extent:10
Advanced science ; 6, Heft 20 (2019) (gesamt 10)
- Creator
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Wang, Tao
Du, Wei
Tomczak, Nikodem
Wang, Lejia
Nijhuis, Christian A.
- DOI
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10.1002/advs.201900390
- URN
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urn:nbn:de:101:1-2022071309082031326754
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:30 AM CEST
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Associated
- Wang, Tao
- Du, Wei
- Tomczak, Nikodem
- Wang, Lejia
- Nijhuis, Christian A.
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