Affiliation:
1. Department of Chemistry, Columbia University, New York, NY 10027, USA.
Abstract
Quality manufacture beats quality control
For semiconductor nanocrystals, tight control over particle size is needed to obtain particles with uniform properties. However, post-synthesis purification methods can be difficult and costly. Hendricks
et al.
present a family of substituted thioureas as a class of chalcogen precursors (see the Perspective by Hens). The rate of reactivity is connected to the specific chemistry of the precursor, making it possible to synthesize metal chalcogenide nanocrystals, such as PbS, with a specific size, narrow size distribution, and full conversion of the reactants.
Science
, this issue p.
1226
; see also p.
1211
Funder
NIH
Department of Energy
U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences
Publisher
American Association for the Advancement of Science (AAAS)
Cited by
330 articles.
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