Near-infrared photothermal conversion of polyoxometalate-modified gold nanorods for plasmon-enhanced catalysis

Abstract

By collecting the high catalytic activity of polyoxometalates (POMs) and the near-infrared (NIR) photothermal property of gold nanorods (AuNRs), the POM-modified AuNR composites are synthesized by ligand replacement and electrostatic...

Polyoxometalate-based frameworks for photocatalysis and photothermal catalysis

“…Moreover, the designed catalysts show excellent structural stability, catalytic stability, and photothermal conversion stability after 10 cycles. 105…”

Controlled synthesis of monodisperse gold nanorods with a small diameter of around 10 nm and largest plasmon wavelength of 1200 nm

“…2 The LSPR can be tuned over a broad spectral range from visible to infrared wavelength by controlling the rod's aspect ratio (the ratio of length to diameter). 1,3 This unique property in combination with the tunable size, easy surface modification, and good biocompatibility endows AuNRs with promising and fascinating prospects in research applications including catalysis, 4,5 sensing, 6,7 imaging, 8,9 and theranostics. 10,11 The seed-mediated growth method is currently the most widely used method for the synthesis of AuNRs proposed by Murphy et al in 2001 and improved by Elsayed et al in 2003.…”

Gold nanocrystal-loaded 2D supramolecular network for plasmon-enhanced nitrogen fixation

“…33 POMs can bind with AuNCs through covalent bonds 34,35 and electrostatic interactions. 36,37 Gold nanoparticles or clusters binding with POMs are proved to act as efficient catalysts for chemical transformation, such as the catalytic oxidation of CO in the solid–gas interface or aqueous phase 38,39 and the selective catalytic epoxidation of olefin in the organic phase. 40 But these works only build a correlation with the catalytic activity under external heating conditions while the plasma effect of gold nanoparticles/nanorods under light conditions has not been studied in detail.…”