Reversible Transformation of Nanostructured Polymer Particles
文献类型：期刊论文
| 作者 | Deng, Renhua1; Liang, Fuxin2; Li, Weikun1; Yang, Zhenzhong2 ; Zhu, Jintao1
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| 刊名 | MACROMOLECULES
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| 出版日期 | 2013-09-10 |
| 卷号 | 46期号:17页码:7012-7017 |
| ISSN号 | 0024-9297 |
| DOI | 10.1021/ma401398h |
| 英文摘要 | A reversible transformation of overall shape and internal structure as well as surface composition of nanostructured block copolymer particles is demonstrated by solvent-adsorption annealing. Polystyrene-b-poly(4-vinylpyridine) (PS-b-P4VP) pupa-like particles with PS and P4VP lamellar domains alternatively stacked can be obtained by self-assembly of the block copolymer under 3D soft confinement. Chloroform, a good solvent for both blocks, is selected to swell and anneal the pupa-like particles suspended in aqueous media. Reversible transformation between pupa-like and onion-like structures of the particles can be readily tuned by simply adjusting the particle/aqueous solution interfacial property. Interestingly, poly(vinyl alcohol) (PVA) concentration in the aqueous media plays a critical role in determining the particle morphology. High level of PVA concentration is favorable for pupa-like morphology, while extremely low concentration of PVA is favorable for the formation of onion-like particles. Moreover, the stimuli-response behavior of the particles can be highly suppressed through selective growth of Au nanoparticles within the P4VP domains. This strategy provides a new concept for the reversible transformation of nanostructured polymer particles, which will find potential applications in the field of sensing, detection, optical devices, drug delivery, and smart materials fabrication. |
| 语种 | 英语 |
| WOS记录号 | WOS:000330145900036 |
| 出版者 | AMER CHEMICAL SOC |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/42137]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Yang, Zhenzhong |
| 作者单位 | 1.Huazhong Univ Sci & Technol, Sch Chem & Chem Engn, Minist Educ, Key Lab Large Format Battery Mat & Syst, Wuhan 430074, Peoples R China 2.Chinese Acad Sci, Inst Chem, State Key Lab Polymer Phys & Chem, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Deng, Renhua,Liang, Fuxin,Li, Weikun,et al. Reversible Transformation of Nanostructured Polymer Particles[J]. MACROMOLECULES,2013,46(17):7012-7017. |
| APA | Deng, Renhua,Liang, Fuxin,Li, Weikun,Yang, Zhenzhong,&Zhu, Jintao.(2013).Reversible Transformation of Nanostructured Polymer Particles.MACROMOLECULES,46(17),7012-7017. |
| MLA | Deng, Renhua,et al."Reversible Transformation of Nanostructured Polymer Particles".MACROMOLECULES 46.17(2013):7012-7017. |
入库方式： OAI收割
来源：化学研究所
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