Due to their wide application potentials, quantum dots (QDs) have attracted a lot of attention. Among different materials, indium phosphide QDs are considered as a good candidate for displays because of their emission in visible region and lower toxicity; however their chemistry is less known. InP nanocrystals are synthesized using reaction of indium chloride and tris(dimethylamino)phosphine. To obtain naked NCs, they are washed several times and ligand stripping of NCs confirmed using NMR. InP QDs with smaller sizes were prepared by etching of NCs at room temperature. The etching leads increase in photoluminescence quantum yield and makes the NCs soluble in polar solvents.<br/>

Room temperature, mild condition post-synthesis etching of InP nanocrystals

255th National Meeting (2018)

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