Photocatalytic coalescence of functionalized gold nanoparticles.

6533b7d1fe1ef96bd125c26e

RESEARCH PRODUCT

Photocatalytic coalescence of functionalized gold nanoparticles.

Julia Pérez-prieto M. Consuelo Cuquerella Salvador Pocoví-martínez

subject

Coalescence (physics)Materials science Pyrenes Ligand Nanoparticle Metal Nanoparticles Surfaces and Interfaces Chromophore Condensed Matter Physics Photochemistry Photochemical Processes Catalysis Catalysis Benzophenones Transition metal Colloidal gold Electrochemistry Photocatalysis General Materials Science Gold Spectroscopy

description

A novel strategy for the synthesis of chromophore-functionalized AuNPs with a narrow size distribution is reported. It consists of increasing the size of preprepared NPs by means of a fast (second scale) and clean (light and an organic photocatalyst) method. The results agree with thiolate ligand liberation from the NP surface promoted by photogenerated radicals. This lets gold cores come together and finally coalesce.

year	journal	country	edition	language
2009-12-25	Langmuir : the ACS journal of surfaces and colloids

10.1021/la9040503 https://pubmed.ncbi.nlm.nih.gov/20030323

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