NDLI: Positron annihilation spectroscopy: a new frontier for understanding nanoparticle-loaded polymer brushes

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Positron annihilation spectroscopy: a new frontier for understanding nanoparticle-loaded polymer brushes

Content Provider	Scilit
Author	Panzarasa, Guido Aghion, Stefano Soliveri, Guido Consolati, Giovanni Ferragut, Rafael Omar
Copyright Year	2015
Description	Journal: Nanotechnology Nanoparticle-loaded polymer brushes are powerful tools for the development of innovative devices. However, their characterization is challenging and arrays of different techniques are typically required to gain sufficient insight. Here we demonstrate for the first time the suitability of positron annihilation spectroscopy (PAS) to investigate, with unprecedented detail and without making the least damage to samples, the physico-chemical changes experienced by pH-responsive polymer brushes after protonation and after loading of silver nanoparticles. One of the most important findings is the depth profiling of silver nanoparticles inside the brushes. These results open up a completely new way to understand the structure and behavior of such complex systems.
Related Links	http://iopscience.iop.org/article/10.1088/0957-4484/27/2/02LT03/pdf
ISSN	09574484
e-ISSN	13616528
DOI	10.1088/0957-4484/27/2/02lt03
Journal	Nanotechnology
Issue Number	2
Volume Number	27
Language	English
Publisher	IOP Publishing
Publisher Date	2015-12-02
Access Restriction	Open
Subject Keyword	Journal: Nanotechnology Physical Chemistry Polymer Brushes Silver Nanoparticles Positron Annihilation Annihilation Spectroscopy Loaded Polymer Nanoparticle Loaded
Content Type	Text
Resource Type	Article
Subject	Chemistry Nanoscience and Nanotechnology Mechanics of Materials Mechanical Engineering Bioengineering Electrical and Electronic Engineering

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