Paper-like graphene-Ag composite films with enhanced mechanical and electrical properties

被引：89

作者：

Gao, Rungang ^{[1
]}

Hu, Nantao ^{[1
]}

Yang, Zhi ^{[1
]}

Zhu, Qirong ^{[2
]}

Chai, Jing ^{[1
]}

Su, Yanjie ^{[1
]}

Zhang, Liying ^{[1
]}

Zhang, Yafei ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Key Lab Thin Film & Microfabricat, Minist Educ, Res Inst Micro Nano Sci & Technol, Shanghai 200240, Peoples R China

[2] Shanghai Jiao Tong Univ, Instrumental Anal Ctr, Shanghai 200240, Peoples R China

来源：

NANOSCALE RESEARCH LETTERS | 2013年 / 8卷

基金：

中国国家自然科学基金;

关键词：

Graphene; Ag particles; Composite films; Graphene oxide; In situ reduction; Graphene paper; Electrical properties; Mechanical properties; OXIDE; NANOCOMPOSITES; PERFORMANCE; FABRICATION;

D O I：

10.1186/1556-276X-8-32

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In this paper, we have reported that paper-like graphene-Ag composite films could be prepared by a facile and novel chemical reduction method at a large scale. Using ascorbic acid as a reducing agent, graphene oxide films dipped in Ag+ aqueous solutions can be easily reduced along with the decoration of different sizes of Ag particles distributed uniformly. The results reveal that the obtained films exhibit improved mechanical properties with the enhancement of tensile strength and Young's modulus by as high as 82% and 136%, respectively. The electrical properties of graphene-Ag composite films were studied as well, with the sheet resistance of which reaching lower than approximately 600 Omega/a-. The graphene-Ag composite films can be expected to find interesting applications in the area of nanoelectronics, sensors, transparent electrodes, supercapacitors, and nanocomposites.

引用

页数：8

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