A facile synthesis of Ag2S-hollow Fe2O3 nanocomposites with NIR photoluminescence was firstly demonstrated by the sulfidation of Ag–Fe2O3 core–shell nanoparticles. Characteristic morphology transformations along with color changes were recorded and a mechanism was proposed for the sulfidation process, which can provide new possibilities to fabricate other complex nanostructures.
The article was received on 17 Jun 2014, accepted on 12 Aug 2014 and first published on 12 Aug 2014
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