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Highly conductive ink made of silver nanopolyhedrons through an ecofriendly solution process

Published online by Cambridge University Press:  18 February 2011

Hua Zheng
Affiliation:
Institute of Polymer Optoelectronic Materials and Devices, South China University of Technology, Key Laboratories of Specially Functional Materials, Ministry of Education, Guangzhou 510640, China
Junxuan Yuan
Affiliation:
Institute of Polymer Optoelectronic Materials and Devices, South China University of Technology, Key Laboratories of Specially Functional Materials, Ministry of Education, Guangzhou 510640, China
Lei Wang
Affiliation:
Institute of Polymer Optoelectronic Materials and Devices, South China University of Technology, Key Laboratories of Specially Functional Materials, Ministry of Education, Guangzhou 510640, China
Junbiao Peng
Affiliation:
Institute of Polymer Optoelectronic Materials and Devices, South China University of Technology, Key Laboratories of Specially Functional Materials, Ministry of Education, Guangzhou 510640, China
Yong Cao
Affiliation:
Institute of Polymer Optoelectronic Materials and Devices, South China University of Technology, Key Laboratories of Specially Functional Materials, Ministry of Education, Guangzhou 510640, China
Hai-Bo Chen
Affiliation:
Key Laboratories of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
Jian Wang*
Affiliation:
Institute of Polymer Optoelectronic Materials and Devices, South China University of Technology, Key Laboratories of Specially Functional Materials, Ministry of Education, Guangzhou 510640, China
Jian Pei*
Affiliation:
Key Laboratories of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
*
b)Address all correspondence to these authors: e-mail: jianwang@scut.edu.cn
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Abstract

An ecofriendly process has been successfully developed to synthesize the polycrystalline silver nanopolyhedrons with a high yield at large scale. By using tannic acid in the presence of poly (vinyl pyrrolidone) (PVP), high quality silver nanopolyhedrons were obtained in an aqueous one-pot reaction without any templates or auxiliaries. The film made from the silver nanostructures exhibits an electrical conductivity higher than 104 S/cm on both rigid and flexible substrates. The supreme mechanical strength of this silver film recommends its wide application in printing and flexible electronics.

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Type
Materials Communications
Copyright
Copyright © Materials Research Society 2011

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