Pulicaria glutinosa Extract: A Toolbox to Synthesize Highly Reduced Graphene Oxide-Silver Nanocomposites

被引：49
作者：
Al-Marri, Abdulhadi H. [1 ]
Khan, Mujeeb [1 ]
Khan, Merajuddin [1 ]
Adil, Syed F. [1 ]
Al-Warthan, Abdulrahman [1 ]
Alkhathlan, Hamad Z. [1 ]
Tremel, Wolfgang [2 ]
Labis, Joselito P. [3 ]
Siddiqui, Mohammed Rafiq H. [1 ]
Tahir, Muhammad N. [2 ]
机构：
[1] King Saud Univ, Coll Sci, Dept Chem, Riyadh 11451, Saudi Arabia
[2] Johannes Gutenberg Univ Mainz, Inst Inorgan & Analyt Chem, D-55122 Mainz, Germany
[3] King Saud Univ, King Abdullah Inst Nanotechnol, Riyadh 11451, Saudi Arabia
来源：
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES | 2015年 / 16卷 / 01期
关键词：
graphene; silver nanoparticles; plant extract; nanocomposites; surface enhance Raman scattering (SERS); ENHANCED RAMAN-SCATTERING; ONE-STEP SYNTHESIS; CATALYTIC-ACTIVITY; NANOPARTICLES; GREEN; PERFORMANCE; REDUCTION;
D O I：
10.3390/ijms16011131
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
A green, one-step approach for the preparation of graphene/Ag nanocomposites (PE-HRG-Ag) via simultaneous reduction of both graphene oxide (GRO) and silver ions using Pulicaria glutinosa plant extract (PE) as reducing agent is reported. The plant extract functionalizes the surfaces of highly reduced graphene oxide (HRG) which helps in conjugating the Ag NPs to HRG. Increasing amounts of Ag precursor enhanced the density of Ag nanoparticles (NPs) on HRG. The preparation of PE-HRG-Ag nanocomposite is monitored by using ultraviolet-visible (UV-Vis) spectroscopy, powder X-ray diffraction (XRD), and energy dispersive X-ray (EDX). The as-prepared PE-HRG-Ag nanocomposities display excellent surface-enhanced Raman scattering (SERS) activity, and significantly increased the intensities of the Raman signal of graphene.
引用
收藏
页码：1131 / 1142
页数：12
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