| Highly Conductive Fractal-structured Silver Particles for Preparing Flexible Printed Circuits via Screen Printing |
| Received:December 31, 2020 Click here to download the full text |
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| Author Name | Affiliation | | Zhang Sufeng | Shaanxi Provincial Key Lab of Papermaking Technology and Specialty Paper Development, National Demonstration Center for Experimental Light Chemistry Engineering Education, Key Lab of Paper Based Functional Materials of China National Light Industry, Shaanxi University of Science and Technology, Xi'an, Shaanxi Province, 710021, China
Key Lab of Pulp and Paper Science & Technology of Ministry of Education/Shandong Province, Qilu University of Technology (Shandong Academy of Sciences), Ji'nan, Shandong Province, 250353, China | | Hua Chen | Shaanxi Provincial Key Lab of Papermaking Technology and Specialty Paper Development, National Demonstration Center for Experimental Light Chemistry Engineering Education, Key Lab of Paper Based Functional Materials of China National Light Industry, Shaanxi University of Science and Technology, Xi'an, Shaanxi Province, 710021, China
Key Lab of Pulp and Paper Science & Technology of Ministry of Education/Shandong Province, Qilu University of Technology (Shandong Academy of Sciences), Ji'nan, Shandong Province, 250353, China | | He Bin | Shaanxi Provincial Key Lab of Papermaking Technology and Specialty Paper Development, National Demonstration Center for Experimental Light Chemistry Engineering Education, Key Lab of Paper Based Functional Materials of China National Light Industry, Shaanxi University of Science and Technology, Xi'an, Shaanxi Province, 710021, China
Key Lab of Pulp and Paper Science & Technology of Ministry of Education/Shandong Province, Qilu University of Technology (Shandong Academy of Sciences), Ji'nan, Shandong Province, 250353, China | | Li Yongwei | Shaanxi Provincial Key Lab of Papermaking Technology and Specialty Paper Development, National Demonstration Center for Experimental Light Chemistry Engineering Education, Key Lab of Paper Based Functional Materials of China National Light Industry, Shaanxi University of Science and Technology, Xi'an, Shaanxi Province, 710021, China | | Zhou Qiusheng | Shaanxi Provincial Key Lab of Papermaking Technology and Specialty Paper Development, National Demonstration Center for Experimental Light Chemistry Engineering Education, Key Lab of Paper Based Functional Materials of China National Light Industry, Shaanxi University of Science and Technology, Xi'an, Shaanxi Province, 710021, China | | Chang Pengbing | Shaanxi Provincial Key Lab of Papermaking Technology and Specialty Paper Development, National Demonstration Center for Experimental Light Chemistry Engineering Education, Key Lab of Paper Based Functional Materials of China National Light Industry, Shaanxi University of Science and Technology, Xi'an, Shaanxi Province, 710021, China | | Hu Xuxu | Shaanxi Provincial Key Lab of Papermaking Technology and Specialty Paper Development, National Demonstration Center for Experimental Light Chemistry Engineering Education, Key Lab of Paper Based Functional Materials of China National Light Industry, Shaanxi University of Science and Technology, Xi'an, Shaanxi Province, 710021, China | | Liu Lina | Shaanxi Provincial Key Lab of Papermaking Technology and Specialty Paper Development, National Demonstration Center for Experimental Light Chemistry Engineering Education, Key Lab of Paper Based Functional Materials of China National Light Industry, Shaanxi University of Science and Technology, Xi'an, Shaanxi Province, 710021, China |
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| Abstract:Fractal-structured silver particles (FSSPs) are conductive materials with a micron-scale trunk and nanoscale branches, and are characterized with high electrical conductivity and high connectivity. In this study, FSSPs were added to an aqueous additive solution for synthesizing a conductive ink, which was used to prepare two types of printing electrodes via screen printing. The first type included two flexible printed electrodes (FPEs): an FPE on a polyethylene terephthalate (PET) film and an FPE on paper. The second one was a polydimethylsiloxane (PDMS)-embedded FPE. The PET-based FPE exhibited high electrochemical stability when its sheet resistance was 0.38 Ω/sq for a 50% (w/w) content of FSSPs in the prepared conductive ink. Moreover, the embedded FPE demonstrated excellent mechanical properties and high chemical stability. In addition, the embedded structure was endowed with stretchability, which is important for different devices, such as flexible biomedical sensors and flexible electronics. |
| keywords:fractal-structure silver particles screen printing embedded electrodes stretchability |
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