Rapid 3D Patterning of Poly(acrylic acid) Ionic Hydrogel for Miniature pH Sensors

被引：175

作者：

Yin, Ming-Jie ^{[1
]}

Yao, Mian ^{[1
,2
]}

Gao, Shaorui ^{[1
]}

Zhang, A. Ping ^{[1
]}

Tam, Hwa-Yaw ^{[1
]}

Wai, Ping-Kong A. ^{[2
]}

机构：

[1] Hong Kong Polytech Univ, Photon Res Ctr, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China

[2] Hong Kong Polytech Univ, Photon Res Ctr, Dept Elect & Informat Engn, Kowloon, Hong Kong, Peoples R China

来源：

ADVANCED MATERIALS | 2016年 / 28卷 / 07期

关键词：

optical biosensors; optical stereolithography; ionic hydrogels; pH sensors; photopolymerization; FIELD-EFFECT TRANSISTORS; THIN-FILM; FIBER; BRUSHES; LAYER; MICROPATTERNS; COLLAPSE; GRATINGS; SURFACE; BEAM;

D O I：

10.1002/adma.201504021

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Poly(acrylic acid) (PAA), as a highly ionic conductive hydrogel, can reversibly swell/deswell according to the surrounding pH conditions. An optical maskless stereolithography technology is presented to rapidly 3D pattern PAA for device fabrication. A highly sensitive miniature pH sensor is demonstrated by in situ printing of periodic PAA micropads on a tapered optical microfiber.

引用

页码：1394 / 1399

页数：6

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