Photochemical Immobilization of Polymers on a Surface: Controlling Film Thickness and Wettability

被引：2
|
作者：
Carroll, Gregory T. [1 ]
Turro, Nicholas J. [1 ,2 ]
Mammana, Angela [3 ]
Koberstein, Jeffrey T. [2 ]
机构：
[1] Columbia Univ, Dept Chem, New York, NY 10027 USA
[2] Columbia Univ, Dept Chem Engn, New York, NY 10027 USA
[3] Univ Dayton, Dept Chem, Dayton, OH 45469 USA
来源：
PHOTOCHEMISTRY AND PHOTOBIOLOGY | 2017年 / 93卷 / 05期
基金：
美国国家科学基金会;
关键词：
MOLECULAR MOTORS; SOLID-SURFACES; LIGHT; MONOLAYERS; PHOTOREACTIONS; ATTACHMENT; CHALLENGES; PHOTONS; SENSORS;
D O I：
10.1111/php.12751
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
In this manuscript, we demonstrate the control of film thickness and surface wettability in the photochemical immobilization of poly (vinyl alcohol) (PVA) to a self-assembled monolayer (SAM) containing a phthalimide chromophore. Surface attachment is characterized by ellipsometry and contact angle measurements. The wettability of the resulting films is shown to depend on the chemical composition of the polymer. The film thickness is shown to depend on the irradiation time and molecular weight of the polymer. Using a photomask, micropatterns of polymers can be grafted to the SAM. The photopatterned surface can be developed by coating with a thin layer of a mixture containing poly (styrene) (PS) and triphenylsulfonium triflate.
引用
收藏
页码：1165 / 1169
页数：5
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