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{"title":"含有柱[5]炔和偶氮苯基团的两亲分子自组装产生的有序纳米组合体","authors":"Peng Liu, Yingying Deng, Jie Lu, Xiaoliang Gou, Qingqing Han, Yi-Rong Pei, Long Yi Jin","doi":"10.1002/pi.6600","DOIUrl":null,"url":null,"abstract":"<p>The derivatization of pillar[<i>n</i>]arenes is a prerequisite for endowing them with functions, as well as enriching the application of pillar[<i>n</i>]arene materials in advanced material science. Herein, we report the self-assembly of amphiphilic rim-differentiated pillar[5]arene (<b>H</b><sub><b>1</b></sub>). One side of the pillar[5]arene is composed of hydrophilic poly(ethylene oxide) chains, benzene and azobenzene groups connected with ether bonds, and the other side is composed of ethoxy groups. In CHCl<sub>3</sub> solvent, the amphiphile <b>H</b><sub><b>1</b></sub> self-assembled into spherical micelles, while in H<sub>2</sub>O/THF mixed solvent <b>H</b><sub><b>1</b></sub> self-assembled into nanorod-like assemblies. Interestingly, addition of a guest molecule composed of tetraphenylethene and hexanenitrile groups (<b>G</b><sub><b>1</b></sub>) to the CHCl<sub>3</sub> solution of <b>H</b><sub><b>1</b></sub> produces large sheet aggregates via the strong <i>π</i>–<i>π</i> stacking of rod segments. The reversible transformation between the nanosheet assemblies of host–guest complexes and nanoparticles is achieved by addition of the guest molecule 1,4-butylamine (<b>G</b><sub><b>2</b></sub>) and pillar[5]arene with ethoxy groups as competitive molecules. Notably, worm-like and nanorod micelles of <b>H</b><sub><b>1</b></sub> were constructed in H<sub>2</sub>O/THF solution triggered by light irradiation, which assemblies can be used as photosensitive erasable writing materials. © 2023 Society of Industrial Chemistry.</p>","PeriodicalId":20404,"journal":{"name":"Polymer International","volume":null,"pages":null},"PeriodicalIF":2.9000,"publicationDate":"2023-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Ordered nanoassemblies from self-assembly of amphiphilic molecule containing pillar[5]arene and azobenzene groups\",\"authors\":\"Peng Liu, Yingying Deng, Jie Lu, Xiaoliang Gou, Qingqing Han, Yi-Rong Pei, Long Yi Jin\",\"doi\":\"10.1002/pi.6600\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>The derivatization of pillar[<i>n</i>]arenes is a prerequisite for endowing them with functions, as well as enriching the application of pillar[<i>n</i>]arene materials in advanced material science. Herein, we report the self-assembly of amphiphilic rim-differentiated pillar[5]arene (<b>H</b><sub><b>1</b></sub>). One side of the pillar[5]arene is composed of hydrophilic poly(ethylene oxide) chains, benzene and azobenzene groups connected with ether bonds, and the other side is composed of ethoxy groups. In CHCl<sub>3</sub> solvent, the amphiphile <b>H</b><sub><b>1</b></sub> self-assembled into spherical micelles, while in H<sub>2</sub>O/THF mixed solvent <b>H</b><sub><b>1</b></sub> self-assembled into nanorod-like assemblies. Interestingly, addition of a guest molecule composed of tetraphenylethene and hexanenitrile groups (<b>G</b><sub><b>1</b></sub>) to the CHCl<sub>3</sub> solution of <b>H</b><sub><b>1</b></sub> produces large sheet aggregates via the strong <i>π</i>–<i>π</i> stacking of rod segments. The reversible transformation between the nanosheet assemblies of host–guest complexes and nanoparticles is achieved by addition of the guest molecule 1,4-butylamine (<b>G</b><sub><b>2</b></sub>) and pillar[5]arene with ethoxy groups as competitive molecules. Notably, worm-like and nanorod micelles of <b>H</b><sub><b>1</b></sub> were constructed in H<sub>2</sub>O/THF solution triggered by light irradiation, which assemblies can be used as photosensitive erasable writing materials. © 2023 Society of Industrial Chemistry.</p>\",\"PeriodicalId\":20404,\"journal\":{\"name\":\"Polymer International\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":2.9000,\"publicationDate\":\"2023-12-06\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Polymer International\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1002/pi.6600\",\"RegionNum\":4,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"POLYMER SCIENCE\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Polymer International","FirstCategoryId":"92","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/pi.6600","RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"POLYMER SCIENCE","Score":null,"Total":0}
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