期刊
NANOTECHNOLOGY
卷 32, 期 10, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1361-6528/abc0c7
关键词
impurities; surfactants; colloidal synthesis; inorganic nanoparticles; controlled contamination; reproducibility
资金
- Israel Science Foundation [1760/18]
- Azrieli Foundation
Colloidal synthesis of nanoparticles has made significant advancements in the past 25 years, introducing nanomaterials with diverse compositions, shapes, sizes, and phases. However, reproducibility issues are common due to the effects of impurities, which are often overlooked despite their significant impact on reaction products. This topical review discusses case studies highlighting the sources and chemistry of impurities in colloidal nanoparticle synthesis.
Colloidal synthesis of nanoparticles (NP) has advanced tremendously over the past 25 years, with an increasing number of research papers introducing nanomaterials with a variety of compositions, shapes, sizes, and phases. Although much progress has been achieved, commonly used synthetic procedures often fail to reproduce results, and the fine details of the syntheses are often disregarded. Reproducibility issues in synthesis can be ascribed to the effects of impurities, trace amounts of chemical moieties which significantly affect the reaction products. Impurities in NP synthesis are rarely reported or regularly studied, despite their impact, deleterious, or beneficial. This topical review discusses several case studies of colloidal NP synthesis where the sources and the chemistry of impurities are highlighted, and their role is examined.
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