Hydrolyzed Polyacrylamide as an In Situ Assistant in the Nucleation and Growth of Gold Nanoparticles

被引:3
作者
Aguilar, Nery M. [1 ]
Manuel Perez-Aguilar, Jose [2 ]
Gonzalez-Coronel, Valeria J. [3 ]
Martinez-Gutierrez, Hugo [4 ]
Zayas Perez, Teresa [1 ]
Soriano-Moro, Guillermo [1 ]
Sanchez-Gaytan, Brenda L. [1 ]
机构
[1] Meritorious Autonomous Univ Puebla BUAP, Chem Ctr, Sci Inst, Puebla 72570, Mexico
[2] Meritorious Autonomous Univ Puebla BUAP, Sch Chem Sci, Puebla 72570, Mexico
[3] Meritorious Autonomous Univ Puebla BUAP, Sch Chem Engn, Puebla 72570, Mexico
[4] Natl Polytech Inst IPN, Ctr Nanosci & Micro & Nanotechnol, Mexico City 07738, DF, Mexico
关键词
hydrolyzed polyacrylamide; nanocomposites; gold nanoparticles; OIL-RECOVERY;
D O I
10.3390/ma15238557
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 modulation of nanoparticles' size, shape, and dispersion by polymers has attracted particular attention in different fields. Nevertheless, there is a lack of information regarding the use of charged macromolecules as assistants in the nanostructures' nucleation and growth processes. Prompted by this, the in situ synthesis of gold nanoparticles (AuNPs) aided by hydrolyzed polyacrylamides (HPAM), with different chemical structures, was developed. In contrast to the conventional synthesis of nanostructures assisted by polyacrylamide, here, the polymerization, hydrolysis, and nanostructure formation processes were carried out simultaneously in the same milieu. Likewise, the growing chains acted as a template for the nanoparticles' growth, so their conformations and chemical structure, especially the amount of charges along the chain, played an important role in the AuNPs' morphology, size, and some of the final composite features. The nanocomposite was thoroughly characterized with appropriate techniques, including ATR-FTIR, GPC, UV-Vis, and SEM.
引用
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页数:9
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