Molecular Mechanism of Metal-Chalcogen Bond Formation in theSynthesis of Colloidal II-VI Semiconductor Nanocrystals

Mechanistic Study of Precursor Evolution in Colloidal II-VI Semiconductor Nanocrystal Synthesis Supporting Information Haitao Liu, Jonathan S. Owen, and A. Paul Alivisatos* Department of Chemistry, University of California, Berkeley, and Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA. Table of Contents NMR characterization of TOPO…………………………………………………………..…………S3 Stability of TOPE/TBPE in air.………………………………………………………………..……..S4 Accuracy of the P NMR method………………………………………………………………..…..S6 Synthesis of TBPE, TOPE (E=S, Se, Te), and i-TPPSe……………………………………………..S7 Detailed experimental procedure of Karl-Fischer titrations……………………………………….S9 Product characterization of the synthesis of ME (M=Zn, Cd; E=S, Se, Te) …………………….S12 Detailed experimental procedure of the H 218 O-TOP 16 O isotope exchange………………………S17 Measurement of activation parameters…………………………………………………………….S18 Reaction kinetics of CdSe synthesis in TOPO using Cd(Me) 2 ………………………………….…S19 Decomposition of TOPSe in TOPO/H 2 -ODPA in the absence of Cd 2+ … S20 Reference……………………………………………………………………………………………..S22 - S-1 -