Fig. 4 | Nature Communications

Fig. 4

From: Sustainable scalable synthesis of sulfide nanocrystals at low cost with an ionic liquid sulfur precursor

Fig. 4

Reaction in ambient conditions and concentration intensification using OLAHS. ac TEM image (scale bar: 50 nm) with photograph of reaction condition and nanocrystal size distribution, UV–Vis–NIR absorption spectrum, and XRD pattern of Ag2S nanocrystals synthesized under ambient conditions. df TEM image (scale bar: 20 nm) with photograph of reaction condition and nanocrystal size distribution, UV–Vis–NIR absorption spectrum, and XRD pattern of Cu2S nanocrystals synthesized under ambient conditions. gi TEM image (scale bar: 25 nm) with photograph of reaction condition and nanocrystal size distribution, UV–Vis–NIR absorption spectrum, and XRD pattern of PbS nanocrystals synthesized under ambient conditions. j Comparison of PbS nanocrystal concentration (g L−1) in our crude reaction product with reported large-scale syntheses13,26,51,55,56. *Indicates concentrations that include the capping ligand. Inset: photograph of 142.4 g of PbS nanocrystals synthesized in a single 1.18 L batch in ambient conditions

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