Improving chemical control over the nucleation and growth of colloidal nanocrystals advances optoelectronic applications. Here, we find that added glycol ethers promote the nucleation of PbS nanocrystals over the formation of metastable clusters, offering orthogonal control of nanocrystal size at reaction completion. This effect correlates with multidentate co-ordination to Pb(oleate)2.
P. B. Green, Z. Wang, P. Sohn, C. J. Imperiale, O. Voznyy and M. W. B. Wilson, J. Mater. Chem. C, 2020, 8, 12068 DOI: 10.1039/D0TC03252B
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