journal article·2007-02-19Open access

Cookie‐like Au/NiO Nanoparticles with Optical Gas‐Sensing Properties

G. Mattei, P. Mazzoldi, M. L. Post, D. Buso, M. Guglielmi, A. Martucci

Advanced Materials· Volume 19· Issue 4

Abstract

Cookie-like Au/NiO nanoparticles are grown inside a porous SiO2 sol–gel film (see figure). High-resolution TEM measurements reveal a twofold structure of the nanoparticles, showing a sharp interface with epitaxial coherence of the two phases. The nanocomposite films show a reversible change in optical absorbance in the vis-NIR wavelength range when exposed to carbon monoxide.
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Research context

OpenAlex topics: Gas Sensing Nanomaterials and Sensors · Transition Metal Oxide Nanomaterials · Gold and Silver Nanoparticles Synthesis and Applications

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

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