The Influence of the Reaction Conditions on the Size of Silver Nanoparticles in Carey Lea's Concentrated Sols

被引：1

作者：

Vorobyev, Sergey A. ^{[1
]}

Likhatski, Maksim N. ^{[1
]}

Romanchenko, Alexander S. ^{[1
]}

Ivanenko, Timur Y. ^{[2
]}

Masharova, Diana A. ^{[2
]}

Volochaev, Mikhail N. ^{[3
,4
]}

Mikhlin, Yuri L. ^{[1
]}

机构：

[1] FRC Krasnoyarsk Sci Ctr SB RAS, Inst Chem & Chem Technol SB RAS, Krasnoyarsk, Russia

[2] Siberian Fed Univ, Krasnoyarsk, Russia

[3] Kirensky Inst Phys SB RAS, Krasnoyarsk, Russia

[4] Reshetnev Siberian State Aerosp Univ, Krasnoyarsk, Russia

来源：

JOURNAL OF SIBERIAN FEDERAL UNIVERSITY-CHEMISTRY | 2020年 / 13卷 / 03期

基金：

俄罗斯科学基金会;

关键词：

silver nanoparticles; concentrated sols; influence of reaction conditions; citrate ion; AG NANOPARTICLES; CITRATE; AGGREGATION; SURFACE; STABILITY; KINETICS; AMMONIA; GOLD;

D O I：

10.17516/1998-2836-0190

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The reaction of reduction solution of Ag (I) by Fe ( II) citrate complex was studied herein. This allows you to receive silver nanoparticles with high stability with a concentration above 60 g/l. It was determined that the nanoparticles size depends on the injection rate, mixing rate, reagent concentration, pH and some post-synthetic operations on the average size of nanoparticles. It was shown that decreasing the concentration of Ag (I) and increasing the concentration of stabilizer also bringing pH to 7 lead to small and uniform particles. Optimal conditions were found that made it possible to reduce particle size and reduce the concentration of reagents by 33 % in the results. According to XPS, TEM, DLS and FTIR datas, nanoparticles of metallic silver with a size of 6.5 +/- 1.8 nm were obtained, which stabilized by the product of partial decay of the citrate ion.

引用

页码：372 / 384

页数：13

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