Shell-Isolated Assembly of Atomically Precise Nanoclusters on Gold Nanorods for Integrated Plasmonic-Luminescent Nanocomposites

Amrita Chakraborty, Harsh Dave, Biswajit Mondal, Nonappa, Esma Khatun, Thalappil Pradeep

Tutkimustuotos: ArticleScientificvertaisarvioitu

Abstrakti

In this work, we integrate atomically precise noble metal nanoclusters (NCs) on gold nanorods (AuNRs) to create hybrid plasmonic-luminescent nanomaterials. Initially, we assemble luminescent Ag29(LA)12 NC (LA = lipoic acid) to silica shell-encapsulated AuNRs. The resulting nanostructure shows plasmon-enhanced luminescence in aqueous medium as well as in the solid state. Atomic precision of the fluorophores used in this case allows detailed characterization of individual nanocomposites by diverse techniques, including transmission electron microscopy (TEM) and 3D electron tomographic reconstruction. We extend this strategy to prepare similar structures with gold NC protected with bovine serum albumin (Au30BSA). These two examples demonstrate the generic nature of the present strategy in preparing plasmonic-luminescent hybrid nanostructures using atomically precise NCs.
AlkuperäiskieliEnglanti
Sivut1842-1851
Sivumäärä10
JulkaisuJournal of Physical Chemistry B
Vuosikerta126
Numero8
DOI - pysyväislinkit
TilaJulkaistu - 18 helmik. 2022
OKM-julkaisutyyppiA1 Alkuperäisartikkeli

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