A tailorable spray-assembly strategy of silver nanowires-bundle mesh for transferable high-performance transparent conductor
Achieving a well tradeoff between electrical and optical performances remains challenging for conventional silver nanowires (AgNWs) random network conductors. An innovative AgNW-bundle mesh (AgBM) composed of exquisite knots and abundant open area is realized by one-step spray-assembly at room tempe...
| Main Authors: | , , , , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2021
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/146377 |
| _version_ | 1826117292772032512 |
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| author | Xiong, Jiaqing Li, Shaohui Ciou, Jing-Hao Chen, Jingwei Gao, Dace Wang, Jiangxin Lee, Pooi See |
| author2 | School of Materials Science and Engineering |
| author_facet | School of Materials Science and Engineering Xiong, Jiaqing Li, Shaohui Ciou, Jing-Hao Chen, Jingwei Gao, Dace Wang, Jiangxin Lee, Pooi See |
| author_sort | Xiong, Jiaqing |
| collection | NTU |
| description | Achieving a well tradeoff between electrical and optical performances remains challenging for conventional silver nanowires (AgNWs) random network conductors. An innovative AgNW-bundle mesh (AgBM) composed of exquisite knots and abundant open area is realized by one-step spray-assembly at room temperature, showing high optoelectronic performance. A dynamic assembly mechanism based on the spray assembly of isopropanol-based AgNWs ink is revealed, ensuring a favorable coffee-ring effect dominated by the capillary flow rather than Marangoni reflux, driving the AgNWs to deposit at the edges of droplets. The initially formed AgNW-bundle rings serve as template to constrain the movement of AgNWs from the subsequent droplets, rendering scalable and continuous accumulation of nanowires to produce a connective AgBM. The controlling factors of surface tension of substrates and ink, wettability, spreading and pinning effect of the ink droplets, as well as tunable assembly driving force determined by spraying rate are revealed, realizing an universal spray-assembly strategy for tailorable fabrication of AgBMs using AgNWs with different sizes in diameter (20–120 nm) and length (20–200 µm). Thicker AgBMs could reduce the sheet resistance without severe sacrifice of transparency. Thinner AgNW-bundles/knots with better electrical connection can be realized from the finer and longer AgNWs, delivering higher optoelectronic performance. |
| first_indexed | 2024-10-01T04:25:15Z |
| format | Journal Article |
| id | ntu-10356/146377 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T04:25:15Z |
| publishDate | 2021 |
| record_format | dspace |
| spelling | ntu-10356/1463772021-02-15T05:41:20Z A tailorable spray-assembly strategy of silver nanowires-bundle mesh for transferable high-performance transparent conductor Xiong, Jiaqing Li, Shaohui Ciou, Jing-Hao Chen, Jingwei Gao, Dace Wang, Jiangxin Lee, Pooi See School of Materials Science and Engineering Engineering::Materials AgNW-bundle Mesh Silver Nanowire Achieving a well tradeoff between electrical and optical performances remains challenging for conventional silver nanowires (AgNWs) random network conductors. An innovative AgNW-bundle mesh (AgBM) composed of exquisite knots and abundant open area is realized by one-step spray-assembly at room temperature, showing high optoelectronic performance. A dynamic assembly mechanism based on the spray assembly of isopropanol-based AgNWs ink is revealed, ensuring a favorable coffee-ring effect dominated by the capillary flow rather than Marangoni reflux, driving the AgNWs to deposit at the edges of droplets. The initially formed AgNW-bundle rings serve as template to constrain the movement of AgNWs from the subsequent droplets, rendering scalable and continuous accumulation of nanowires to produce a connective AgBM. The controlling factors of surface tension of substrates and ink, wettability, spreading and pinning effect of the ink droplets, as well as tunable assembly driving force determined by spraying rate are revealed, realizing an universal spray-assembly strategy for tailorable fabrication of AgBMs using AgNWs with different sizes in diameter (20–120 nm) and length (20–200 µm). Thicker AgBMs could reduce the sheet resistance without severe sacrifice of transparency. Thinner AgNW-bundles/knots with better electrical connection can be realized from the finer and longer AgNWs, delivering higher optoelectronic performance. National Research Foundation (NRF) This work was supported by the National Research Foundation Singapore under the Competitive Research Program (Award no. NRFCRP13– 2014–02) and the National Research Foundation Investigatorship (NRF–NRFI2016–05). 2021-02-15T05:41:19Z 2021-02-15T05:41:19Z 2021 Journal Article Xiong, J., Li, S., Ciou, J.-H., Chen, J., Gao, D., Wang, J., & Lee, P. S. (2021). A tailorable spray-assembly strategy of silver nanowires-bundle mesh for transferable high-performance transparent conductor. Advanced Functional Materials, 31(1), 2006120-. doi:10.1002/adfm.202006120 1616-3028 0000-0002-7470-5674 0000-0003-1383-1623 https://hdl.handle.net/10356/146377 10.1002/adfm.202006120 2-s2.0-85091393857 1 31 2006120 en NRFCRP13– 2014–02 NRF–NRFI2016–05 Advanced Functional Materials © 2021 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. All rights reserved. |
| spellingShingle | Engineering::Materials AgNW-bundle Mesh Silver Nanowire Xiong, Jiaqing Li, Shaohui Ciou, Jing-Hao Chen, Jingwei Gao, Dace Wang, Jiangxin Lee, Pooi See A tailorable spray-assembly strategy of silver nanowires-bundle mesh for transferable high-performance transparent conductor |
| title | A tailorable spray-assembly strategy of silver nanowires-bundle mesh for transferable high-performance transparent conductor |
| title_full | A tailorable spray-assembly strategy of silver nanowires-bundle mesh for transferable high-performance transparent conductor |
| title_fullStr | A tailorable spray-assembly strategy of silver nanowires-bundle mesh for transferable high-performance transparent conductor |
| title_full_unstemmed | A tailorable spray-assembly strategy of silver nanowires-bundle mesh for transferable high-performance transparent conductor |
| title_short | A tailorable spray-assembly strategy of silver nanowires-bundle mesh for transferable high-performance transparent conductor |
| title_sort | tailorable spray assembly strategy of silver nanowires bundle mesh for transferable high performance transparent conductor |
| topic | Engineering::Materials AgNW-bundle Mesh Silver Nanowire |
| url | https://hdl.handle.net/10356/146377 |
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