Self‐Assembly of Fullerene‐Based Janus Particles in Solution: Effects of Molecular Architecture and Solvent |
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| Authors: | Zhiwei Lin Pengtao Lu Chih‐Hao Hsu Dr. Kan Yue Dr. Xue‐Hui Dong Hao Liu Kai Guo Prof. Chrys Wesdemiotis Dr. Wen‐Bin Zhang Dr. Xinfei Yu Prof. Stephen Z. D. Cheng |
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| Affiliation: | 1. Department of Polymer Science, College of Polymer Science and Polymer Engineering, The University of Akron, 170 University Ave. Akron, Ohio, 44325‐3909 (USA), Fax: (+1)?330‐972‐8626;2. Department of Chemistry, The University of Akron, Akron, Ohio, 44325‐3601 (USA);3. Key Laboratory of Polymer Chemistry & Physics of Ministry of Education, College of Chemistry and Molecular Engineering, Center for Soft Matter Science and Engineering, Peking University, Beijing 100871 (P. R. China) |
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| Abstract: | Two molecular Janus particles based on amphiphilic [60]fullerene (C60) derivatives were designed and synthesized by using the regioselective Bingel–Hirsh reaction and the click reaction. These particles contain carboxylic acid functional groups, a hydrophilic fullerene (AC60), and a hydrophobic C60 in different ratios and have distinct molecular architectures: 1:1 (AC60–C60) and 1:2 (AC60–2C60). These molecular Janus particles can self‐assemble in solution to form aggregates with various types of micellar morphology. Whereas vesicular morphology was observed for both AC60–C60 and AC60–2C60 in tetrahydrofuran, in a mixture of N,N‐dimethylformamide (DMF)/water, spherical micelles and cylindrical micelles were observed for AC60–C60 and AC60–2C60, respectively. A mechanism of formation was tentatively proposed based on the effects of molecular architecture and solvent polarity on self‐assembly. |
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| Keywords: | fullerenes Janus particles micelles self‐assembly vesicles |
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