Macromolecular Surface Design: Photopatterning of Functional Stable Nitrile Oxides

被引：34
作者：
Altintas, Ozcan [1 ,3 ]
Glassner, Mathias [1 ]
Rodriguez-Emmenegger, Cesar [2 ]
Welle, Alexander [1 ,3 ]
Trouillet, Vanessa [1 ,4 ,5 ]
Barner-Kowollik, Christopher [1 ,3 ]
机构：
[1] Karlsruhe Inst Technol, Preparat Macromol Chem, Inst Tech Chem & Polymerchemie, D-76128 Karlsruhe, Germany
[2] Acad Sci Czech Republ, Inst Macromol Chem, VVi, CR-16206 Prague, Czech Republic
[3] Karlsruhe Inst Technol, IBG, D-76344 Eggenstein Leopoldshafen, Germany
[4] KIT, Inst Appl Mat, D-76344 Eggenstein Leopoldshafen, Germany
[5] KIT, KNMF, D-76344 Eggenstein Leopoldshafen, Germany
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2015年 / 54卷 / 19期
关键词：
modular ligation; nitrogen heterocycles; polymerization; stable nitrile oxides; surface analysis; RADICAL POLYMERIZATION; CHEMISTRY; IMMOBILIZATION; PROTEINS; FUTURE;
D O I：
10.1002/anie.201500485
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The efficient trapping of photogenerated thioaldehydes with functional shelf-stable nitrile oxides in a 1,3-dipolar cycloaddition is a novel and versatile photochemical strategy for polymer end-group functionalization and surface modification under mild and equimolar conditions. The modular ligation in solution was followed in detail by electrospray ionization mass spectrometry (ESI-MS). X-ray photoelectron spectroscopy (XPS) was employed to analyze the functionalized surfaces, whereas time-of-flight secondary-ion mass spectrometry (ToF-SIMS) confirmed the spatial control of the surface functionalization using a micropatterned shadow mask. Polymer brushes were grown from the surface in a spatially confined regime by surface-initiated atom transfer radical polymerization (SI-ATRP) as confirmed by TOFSIMS, XPS as well as ellipsometry.
引用
收藏
页码：5777 / 5783
页数：7
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