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Title
Japanese:Dendritic Micelles with Controlled Branching and Sensor Applications 
English:Dendritic Micelles with Controlled Branching and Sensor Applications 
Author
Japanese: Yifan Zhang, Samuel Pearce, Jean-Charles Eloi, Robert L. Harniman, Jia Tian, Cristina Cordoba, Yuetong Kang, 福井智也, Huibin Qiu, Arthur Blackburn, Robert M. Richardson, Ian Manners.  
English: Yifan Zhang, Samuel Pearce, Jean-Charles Eloi, Robert L. Harniman, Jia Tian, Cristina Cordoba, Yuetong Kang, Tomoya Fukui, Huibin Qiu, Arthur Blackburn, Robert M. Richardson, Ian Manners.  
Language English 
Journal/Book name
Japanese:Journal of the American Chemical Society 
English:Journal of the American Chemical Society 
Volume, Number, Page Vol. 143    No. 15    pp. 5805-5814
Published date Apr. 2021 
Publisher
Japanese: 
English: 
Conference name
Japanese: 
English: 
Conference site
Japanese: 
English: 
Official URL https://doi.org/10.1021/jacs.1c00770
 
DOI https://doi.org/10.1021/jacs.1c00770
Abstract Although micelles derived from the solution self-assembly of amphiphilic molecules and polymers have been prepared with a wide variety of shapes, examples with well-defined branched structures have remained elusive. We describe a divergent, directed self-assembly approach to low dispersity dendritic micelles with a high degree of structural perfection and tailorable branch numbers and generations. We use block copolymer amphiphiles as precursors and a crystallization-driven seeded growth approach whereby the termini of fiber-like micelles function as branching sites. Different dendrimeric generations are accessible by adjusting the ratio of added unimers to pre-existing seed micelles where the branch positions are determined by the reduced coronal chain grafting density on the surface of the micelle crystalline core. We demonstrate the spatially defined decoration of the assemblies with emissive nanoparticles and utility of the resulting hybrids as fluorescent sensors for anions where the dendritic architecture enables ultrahigh sensitivity.

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