Solid polymer electrolyte with high ionic conductivity via layer-by-layer deposition
A novel multilayer system via layer-by-layer (LbL) self-assembly by alternatively packing polyethylene glycol (PEG)-α-cyclodextrin (αCD) complex and poly(acrylic acid) (PAA) via hydrogen-bonding is designed and investigated in this work. The PEG-αCD inclusion complex is obtained by supramolecular in...
| Main Authors: | , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2020
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| Online Access: | https://hdl.handle.net/10356/138812 |
| _version_ | 1826115757785743360 |
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| author | Cui, Mengqi Lee, Pooi See |
| author2 | School of Materials Science & Engineering |
| author_facet | School of Materials Science & Engineering Cui, Mengqi Lee, Pooi See |
| author_sort | Cui, Mengqi |
| collection | NTU |
| description | A novel multilayer system via layer-by-layer (LbL) self-assembly by alternatively packing polyethylene glycol (PEG)-α-cyclodextrin (αCD) complex and poly(acrylic acid) (PAA) via hydrogen-bonding is designed and investigated in this work. The PEG-αCD inclusion complex is obtained by supramolecular interaction. Multilayer films with different ratios of αCD are fabricated, and the growth behavior, morphology, thermal properties and electrical properties of the resultant LbL films are systematically characterized. The films with PEG-αCD complex and PAA as building blocks show high ionic conductivity reaching up to 2.5×10-5 S cm-1 under room temperature (52%RH), which is almost two orders magnitude higher than the PEG/PAA films under the same conditions. The PEG-αCD15/PAA films also possess high water retention
due to the large amount of hydroxyl groups carried by αCD, which enables the films, after exposed to a high humidity environment, to maintain a high ionic conductivity under low humidity environment. This PEG-αCD/PAA LbL system provides an insight for designing polymer based solid state electrolyte and its application towards electrochemical devices. |
| first_indexed | 2024-10-01T04:00:22Z |
| format | Journal Article |
| id | ntu-10356/138812 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T04:00:22Z |
| publishDate | 2020 |
| record_format | dspace |
| spelling | ntu-10356/1388122023-07-14T16:02:58Z Solid polymer electrolyte with high ionic conductivity via layer-by-layer deposition Cui, Mengqi Lee, Pooi See School of Materials Science & Engineering Science::Chemistry Thin Films Deposition A novel multilayer system via layer-by-layer (LbL) self-assembly by alternatively packing polyethylene glycol (PEG)-α-cyclodextrin (αCD) complex and poly(acrylic acid) (PAA) via hydrogen-bonding is designed and investigated in this work. The PEG-αCD inclusion complex is obtained by supramolecular interaction. Multilayer films with different ratios of αCD are fabricated, and the growth behavior, morphology, thermal properties and electrical properties of the resultant LbL films are systematically characterized. The films with PEG-αCD complex and PAA as building blocks show high ionic conductivity reaching up to 2.5×10-5 S cm-1 under room temperature (52%RH), which is almost two orders magnitude higher than the PEG/PAA films under the same conditions. The PEG-αCD15/PAA films also possess high water retention due to the large amount of hydroxyl groups carried by αCD, which enables the films, after exposed to a high humidity environment, to maintain a high ionic conductivity under low humidity environment. This PEG-αCD/PAA LbL system provides an insight for designing polymer based solid state electrolyte and its application towards electrochemical devices. NRF (Natl Research Foundation, S’pore) Accepted version 2020-05-13T02:30:08Z 2020-05-13T02:30:08Z 2016 Journal Article Cui, M., & Lee, P. S. (2016). Solid polymer electrolyte with high ionic conductivity via layer-by-layer deposition. Chemistry of Materials, 28(9), 2934-2940. doi:10.1021/acs.chemmater.5b04739 0897-4756 https://hdl.handle.net/10356/138812 10.1021/acs.chemmater.5b04739 9 28 2934 2940 en Chemistry of Materials This document is the Accepted Manuscript version of a Published Work that appeared in final form in Chemistry of Materials, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acs.chemmater.5b04739 application/pdf |
| spellingShingle | Science::Chemistry Thin Films Deposition Cui, Mengqi Lee, Pooi See Solid polymer electrolyte with high ionic conductivity via layer-by-layer deposition |
| title | Solid polymer electrolyte with high ionic conductivity via layer-by-layer deposition |
| title_full | Solid polymer electrolyte with high ionic conductivity via layer-by-layer deposition |
| title_fullStr | Solid polymer electrolyte with high ionic conductivity via layer-by-layer deposition |
| title_full_unstemmed | Solid polymer electrolyte with high ionic conductivity via layer-by-layer deposition |
| title_short | Solid polymer electrolyte with high ionic conductivity via layer-by-layer deposition |
| title_sort | solid polymer electrolyte with high ionic conductivity via layer by layer deposition |
| topic | Science::Chemistry Thin Films Deposition |
| url | https://hdl.handle.net/10356/138812 |
| work_keys_str_mv | AT cuimengqi solidpolymerelectrolytewithhighionicconductivityvialayerbylayerdeposition AT leepooisee solidpolymerelectrolytewithhighionicconductivityvialayerbylayerdeposition |