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journal article·2024-08Open access

Effect of Hybridization on the Photoluminescence Properties of Atomically Precise Silver Nanoclusters

Charline Becker, Sebastian Graf, Alf Mews, Wolfgang J. Parak, Indranath Chakraborty

ChemNanoMat· Volume 10· Issue 8
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Source abstract

Abstract

Abstract The Förster Resonance Energy Transfer (FRET) is a widely used mechanism harnessed for sensing applications. For temporal stability of the energy transfer between donor and acceptor molecules their photostability and maintenance of the coupling geometry are important. A donor‐acceptor system was created from silicon nanoclusters (Si NCs) and silver nanoclusters (dihydrolopic acid (DHLA)‐protected Ag29 NCs). Optical spectroscopy and lifetime measurements helped to understand the energy transfer process between the Si NCs and Ag29 NCs. Compared with donor‐acceptor pairs based on gold nanocluster and organic dyes, the FRET pair formed between Si NCs and Ag29 (DHLA)12 NCs reaches a coequal efficiency of 60 %. A fine‐tuning of the system‘s parameters opens the door to investigating the sensitivity of the two nanocluster FRET system to various species and incorporating highly photostable moieties in a process relying on photoluminescence.
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Research context

Nanomaterials

OpenAlex topics: Nanocluster Synthesis and Applications · Gold and Silver Nanoparticles Synthesis and Applications · Laser-Ablation Synthesis of Nanoparticles

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute for Nanostructure and Solid State Physics Center for Hybrid Nanostructure (CHyN) University of Hamburg Luruper Chaussee 149 22761 Hamburg Germany

Present Addresses: Institute of Physical Chemistry Christian-Albrechts-Universität zu Kiel Max-Eyth-Str. 1 24118 Kiel Germany

Institute of Physical Chemistry University of Hamburg Grindelallee 177 20146 Hamburg Germany

School of Nano Science and Technology Indian Institute of Technology Kharagpur Kharagpur 721302 India

Funding

Deutsche Forschungsgemeinschaft · The Ministry of Economic Affairs and Employment · Ehlers-Danlos Society · Sponsored Research and Industrial Consultancy · Indian Institute of Technology Kharagpur

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