کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1615007 1516342 2013 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Sonication-assisted synthesis of multi-functional gold nanorod/silica core–shell nanostructures
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
Sonication-assisted synthesis of multi-functional gold nanorod/silica core–shell nanostructures
چکیده انگلیسی

We report the sonication-assisted synthesis of silica coated gold nanorod (AuNR) nanostructures. By using sonication, the silication reaction occurs rapidly and homogeneously on the poly(vinylpyrrolidone) (PVP) primed AuNRs and the aggregation of AuNRs was significantly inhibited. The obtained core–shell nanoparticles (NPs) were characterized by transmission electron microscopy (TEM), UV–vis spectrometer and scanning electron microscopy (SEM). The AuNR@SiO2 NPs show uniform size and shape distribution, and strong near infra-red (NIR) absorption property. This sonication-assisted method can also be applied to prepare multifunctional NPs, like AuNR@Fe3O4@SiO2 nanostructures.


► Sonication-assisted synthesis method was employed to directly coat PVP primed AuNRs with silica shell.
► By using sonication method, the silication reactions occur rapidly and homogeneously.
► This method can also be applied to prepare multifunctional NPs, like AuNR@Fe3O4@SiO2 nanostructures.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Alloys and Compounds - Volume 551, 25 February 2013, Pages 405–409
نویسندگان
, , , , ,