Thymine-directed synthesis of highly branched gold-palladium alloy nanobrambles as a highly active surface-enhanced Raman scattering substrate

被引：18
|
作者：
Feng, Jiu-Ju [1 ]
Lin, Xiao-Xiao [1 ]
Chen, Sai-Sai [1 ]
Huang, Hong [1 ]
Wang, Ai-Jun [1 ]
机构：
[1] Zhejiang Normal Univ, Coll Geog & Environm Sci, Coll Chem & Life Sci, Jinhua 321004, Peoples R China
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2017年 / 247卷
基金：
中国国家自然科学基金;
关键词：
Highly branched AuPd nanobrambles; Thymine; Surface-enhanced Raman scattering; Crystal violet; WET-CHEMICAL SYNTHESIS; AT-PD NANOCRYSTALS; ELECTROCATALYTIC ACTIVITY; GREEN SYNTHESIS; NANOROD ARRAYS; CRYSTAL VIOLET; POROUS SILICON; SERS; AU; NANOPARTICLES;
D O I：
10.1016/j.snb.2017.03.053
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
In this work, highly branched gold-palladium alloy nanobrambles (Au46Pd54 NBs) were fabricated by a facile, eco-friendly and controlled one-pot aqueous approach, using thymine as the weak stabilizing, capping and structure-directing agents. The synthesized architectures were mainly characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive X-ray spectroscopy (EDS), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS), and their formation mechanism was discussed in some detail. Using crystal violet (CV) as the typical Raman probe, the obtained Au46Pd54 NBs displayed superior surface-enhanced Raman scattering (SERS) performance when compared with Au(3)oPd(70) NCs and Au(6)oPd(40) NCs, owing to the unique structure and morphology of Au46Pd54 NBs as well as the synergistic effects between Au and Pd. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：490 / 497
页数：8
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