​Nanoparticles of controllable composition and size have great potential in electrical, optical and chemical devices, but they must be created in a safe and cost-effective way. Kazuhiro Takanabe and coworkers from KAUST now report a simple method for synthesizing metal-sulfide nanoparticles at low temperature without using environmentally harmful solvents.

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Image: Metal-sulfide nanoparticles synthesized using a simple method in a semiclosed crucible are characterized with high-resolution TEM.
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