Chemistry of Materials

Role of Acid in Precursor Conversion During InP Quantum Dot Synthesis

DC Gary, BM Cossairt

文献索引：Gary, Dylan C.; Cossairt, Brandi M. Chemistry of Materials, 2013 , vol. 25, # 12 p. 2463 - 2469

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被引用次数: 27

摘要

We have studied the speciation of P (SiMe3) 3 during the synthesis of colloidal InP quantum dots in the presence of proton sources. Using 31P NMR spectroscopy, we show H3-n P (SiMe3) n formation on exposure of P (SiMe3) 3 to a variety of protic reagents including water, methanol, and carboxylic acid, corroborating observations of P (SiMe3) 3 speciation during the hot injection synthesis of InP QDs. Quantitative UV–vis comparisons between ...