AI Article Synopsis
- A new method has been developed to create a hybrid material by embedding metal nanoparticles (NPs) within a hydrogen-bonded framework without competing reactions.
- The resulting material, Ag@SPA-2, features silver NPs that are consistently sized under 15 nm, integrated within a porous host structure.
- Additionally, silver NPs can be transformed into silver sulfide NPs through an infiltration process, with the framework's supramolecular network providing stability and growth control for the inorganic materials.
Article Abstract
A procedure that enabled rational access to the first example of hybrid material made of NPs grown within a H-bonded framework is reported. To avoid competitive reactions with the framework units, the metal precursor was chemically trapped in the porous structure and subsequently photo-reduced to afford the hybrid material Ag@SPA-2, which consists of Ag NPs of nanometric sizes (<15 nm) homogeneously distributed in the crystals of the host material. In a subsequent step, taking advantage of the porous matrix the silver NPs have been transformed in situ to Ag S NP by simple infiltration of H S. The supramolecular network is shown to play an important role in stabilizing the inorganic nanomaterials and thus in controlling their growth.
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| http://dx.doi.org/10.1002/chem.201903684 | DOI Listing |
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