Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 133, Issue 36, Pages 14164-14167Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja202815y
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Funding
- JST
- JSPS [21310072]
- MEXT, Japan [470, 21020010]
- Grants-in-Aid for Scientific Research [21020010, 21310072] Funding Source: KAKEN
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The time dependence of small-angle X-ray scattering (SAXS) curves for silver nanoparticle formation was followed in situ at a time resolution of 0.18 ms, which is 3 orders of magnitude higher than that used in previous reports (ca. 100 ms). The starting materials were silver nitrate solutions that were reacted with reducing solutions containing trisodium citrate. The SAXS analyses showed that silver nanoparticles were formed in three distinct periods from a peak diameter of ca. 0.7 nm (corresponding to the size of a Ago cluster) during the nucleation and the early growth period. The Ago clusters are most likely elementary clusters that agglomerate to form silver nanoparticles.
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