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Photo-responsive nanoporous liquid crystal polymer films for selective dye adsorption.
Zeng, Hongju; Wang, Yun; Li, Changxiang; Ren, Junjie; Lu, Runzi; Zhang, Huiyao; Wang, Xi; Lv, Xingbin; Yu, Hairong; Liang, Ting; Cheng, Changjing.
Affiliation
  • Zeng H; College of Chemistry and Environment, Southwest Minzu University Chengdu Sichuan 610200 PR China liangting@swun.edu.cn chengcj@swun.edu.cn.
  • Wang Y; Chengdu BOE Display Sci-tech Co. Ltd. Chengdu Sichuan 610200 PR China.
  • Li C; College of Chemistry and Environment, Southwest Minzu University Chengdu Sichuan 610200 PR China liangting@swun.edu.cn chengcj@swun.edu.cn.
  • Ren J; College of Chemistry and Environment, Southwest Minzu University Chengdu Sichuan 610200 PR China liangting@swun.edu.cn chengcj@swun.edu.cn.
  • Lu R; College of Chemistry and Environment, Southwest Minzu University Chengdu Sichuan 610200 PR China liangting@swun.edu.cn chengcj@swun.edu.cn.
  • Zhang H; College of Chemistry and Environment, Southwest Minzu University Chengdu Sichuan 610200 PR China liangting@swun.edu.cn chengcj@swun.edu.cn.
  • Wang X; College of Chemistry and Environment, Southwest Minzu University Chengdu Sichuan 610200 PR China liangting@swun.edu.cn chengcj@swun.edu.cn.
  • Lv X; College of Chemistry and Environment, Southwest Minzu University Chengdu Sichuan 610200 PR China liangting@swun.edu.cn chengcj@swun.edu.cn.
  • Yu H; College of Chemistry and Environment, Southwest Minzu University Chengdu Sichuan 610200 PR China liangting@swun.edu.cn chengcj@swun.edu.cn.
  • Liang T; Key Laboratory of Fundamental Chemistry of the State Ethnic Commission Chengdu Sichuan 610200 PR China.
  • Cheng C; College of Chemistry and Environment, Southwest Minzu University Chengdu Sichuan 610200 PR China liangting@swun.edu.cn chengcj@swun.edu.cn.
RSC Adv ; 14(2): 863-871, 2024 Jan 02.
Article in En | MEDLINE | ID: mdl-38174275
ABSTRACT
Photo-responsive nanoporous polymer films (AZOF-R(NC6)) have been developed by a template method based on a hydrogen-bonding supramolecular liquid crystal (LC) and a light-sensitive azobenzene LC crosslinker in this work. Anionic nanopores were obtained after the removal of template NC6 using KOH solution. The AZOF-R(NC6) demonstrates charge-selective dye adsorption and the maximum adsorption capacity for Rh6G is 504.6 mg g-1. The AZOF-R(NC6) film without UV light treatment shows a 32% higher adsorption capacity for Rh6G than the AZOF-R(NC6) film treated with UV light within the initial 10 min. In addition, UV light can trigger the release of the adsorbed dye from the polymer film due to the pore size change arising from the trans-cis isomerization. Besides, the used polymer film can be effectively regenerated using a HCl solution. Such functional polymer films with highly ordered nanopores and photo-responsive properties hold great promise in selective adsorption and mass separations.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: RSC Adv Year: 2024 Document type: Article Country of publication: United kingdom
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: RSC Adv Year: 2024 Document type: Article Country of publication: United kingdom