One-Pot Synthesis of Cationic Gold Nanoparticles by Differential Reduction

被引：3

作者：

Sperling, Ralph A. ^{[1
,3
,4
]}

Garcia-Fernandez, Lorena ^{[3
,4
]}

Ojea-Jimenez, Isaac ^{[2
,3
,4
]}

Piella, Jordi ^{[3
,4
,7
]}

Bastus, Neus G. ^{[3
,4
]}

Puntes, Victor ^{[3
,4
,5
,6
]}

机构：

[1] Fraunhofer ICT IMM, Carl Zeiss Str 18-20, D-55129 Mainz, Germany

[2] European Commiss Joint Res Ctr, Directorate Hlth Consumers & Reference Mat F, Consumer Prod Safety Unit F2, Via E Fermi 2749, I-21027 Ispra, VA, Italy

[3] CSIC, ICN2, Campus UAB, Bellaterra 08193, Spain

[4] BIST, Campus UAB, Bellaterra 08193, Spain

[5] VHIR, Barcelona 08035, Spain

[6] ICREA, Barcelona 08010, Spain

[7] UAB, Campus UAB, Bellaterra 08183, Spain

来源：

ZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE-INTERNATIONAL JOURNAL OF RESEARCH IN PHYSICAL CHEMISTRY & CHEMICAL PHYSICS | 2017年 / 231卷 / 01期

关键词：

cationic nanoparticles; differential reduction; one-pot synthesis; room temperature; SILVER NANOPARTICLES; SEEDING GROWTH; PARTICLE-SIZE; SURFACE; CITRATE; NANOCRYSTALS; TRANSFECTION; ADSORPTION; NUCLEATION; CELLS;

D O I：

10.1515/zpch-2016-0864

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The size-controlled synthesis of cationic particles by differential reduction of HAuCl4 precursor in the presence of NaBH 4 and 1-aminoundecane-12-thiol (AUT) is reported. The number of seed particles is determined by the fraction of the initially Au precursor reduced by NaBH 4 present in the reaction mixture, which are then grown larger by the AUT, acting as both weak reducing agent and stabilizing surfactant. By this methodology, size controlled synthesis is achieved in a two-step one-pot synthesis at room temperature.

引用

页码：7 / 18

页数：12

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