Characterization and antibacterial properties of aminophenol grafted and Ag NPs decorated graphene nanocomposites

被引：55

作者：

Pant, Bishweshwar ^{[1
]}

Pokharel, Pashupati ^{[2
]}

Tiwari, Arjun Prasad ^{[3
]}

Saud, Prem Singh ^{[1
,4
]}

Park, Mira ^{[5
]}

Ghouri, Zafar Khan ^{[1
]}

Choi, Sunwoong ^{[2
]}

Park, Soo-Jin ^{[6
]}

Kim, Hak-Yong ^{[1
,5
]}

机构：

[1] Chonbuk Natl Univ, Dept BIN Fus Technol, Jeonju 561756, South Korea

[2] Hannam Univ, Dept Polymer Sci & Engn, Taejon 305811, South Korea

[3] Chonbuk Natl Univ, Sch Med, Dept Genet & Microbiol, Jeonju 561180, South Korea

[4] Tribhuvan Univ, Dept Chem, Dhangadhi, Kailali, Nepal

[5] Chonbuk Natl Univ, Dept Organ Mat & Fiber Engn, Jeonju 561756, South Korea

[6] Inha Univ, Dept Chem, Inchon 402751, South Korea

来源：

CERAMICS INTERNATIONAL | 2015年 / 41卷 / 04期

基金：

新加坡国家研究基金会;

关键词：

B; Nanocomposites; Graphene oxide; Ag NPs; Antibacterial properties; PHOTOCATALYTIC ACTIVITY; SILVER NANOPARTICLES; CARBON NANOFIBERS; OXIDE; REMOVAL; SEMICONDUCTOR; FACILE; SHEETS;

D O I：

10.1016/j.ceramint.2014.12.150

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A new route for the synthesis of aminophenol grafted and Ag NPs decorated reduced graphene sheet (Ag-RGS) was developed as an effective antibacterial nanostructure. The nucleophilic substitution reaction of amine group of aminophenol with epoxy group of GO in the presence of silver nitrate and subsequent reduction with hydrazine generated Ag-RGS nanocomposite. The morphology and structure of the as-synthesized nanocomposite was characterized by field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), and Raman spectroscopy. TEM images of Ag-RGS revealed that the silver nanoparticles were decorated on the surface of the graphene sheet The presence of phenolic groups and silver nanoparticles on the surface of Ag-RGS showed synergistic effect on antibacterial activity against Escherichia coli and Staphylococcus aureus. This feature of the Ag-RGS nanocomposite showed that it can be a promising candidate in broad range of antibiotics. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.

引用

页码：5656 / 5662

页数：7

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