Simple Benchtop Approach to Polymer Brush Nanostructures Using Visible-Light-Mediated Metal-Free Atom Transfer Radical Polymerization
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- 作者：Emre H. Discekici ; Christian W. Pester ; Nicolas J. Treat ; Jimmy Lawrence ; Kaila M. Mattson ; Benjaporn Narupai ; Edward P. Toumayan ; Yingdong Luo ; Alaina J. McGrath ; Paul G. Clark ; Javier Read de Alaniz ; Craig J. Hawker
- 刊名：ACS Macro Letters
- 出版年：2016
- 出版时间：February 16, 2016
- 年：2016
- 卷：5
- 期：2
- 页码：258-262
- 全文大小：465K
- ISSN：2161-1653
文摘
The development of an operationally simple, metal-free surface-initiated atom transfer radical polymerization (SI-ATRP) based on visible-light mediation is reported. The facile nature of this process enables the fabrication of well-defined polymer brushes from flat and curved surfaces using a “benchtop” setup that can be easily scaled to four-inch wafers. This circumvents the requirement of stringent air-free environments (i.e., glovebox), and mediation by visible light allows for spatial control on the micron scale, with complex three-dimensional patterns achieved in a single step. This robust approach leads to unprecedented access to brush architectures for nonexperts.