3D fabrication of all-polymer conductive microstructures by two photon polymerization

被引：48

作者：

Kurselis, Kestutis ^{[1
]}

Kiyan, Roman ^{[1
]}

Bagratashvili, Victor N. ^{[2
]}

Popov, Vladimir K. ^{[2
]}

Chichkov, Boris N. ^{[1
]}

机构：

[1] Laser Zentrum Hannover eV, D-30419 Hannover, Germany

[2] Dept Inst Laser & Informat Technol RAS, Troitsk 142190, Russia

来源：

OPTICS EXPRESS | 2013年 / 21卷 / 25期

关键词：

ORGANIC POLYMERS; HYBRID MATERIALS; MICROFABRICATION; DEVICES; PHOTOLITHOGRAPHY; LITHOGRAPHY; ELECTRONICS; CELLS;

D O I：

10.1364/OE.21.031029

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A technique to fabricate electrically conductive all-polymer 3D microstructures is reported. Superior conductivity, high spatial resolution and three-dimensionality are achieved by successive application of two-photon polymerization and in situ oxidative polymerization to a bi-component formulation, containing a photosensitive host matrix and an intrinsically conductive polymer precursor. By using polyethylene glycol diacrylate (PEG-DA) and 3,4-ethylenedioxythiophene (EDOT), the conductivity of 0.04 S/cm is reached, which is the highest value for the two-photon polymerized all-polymer microstructures to date. The measured electrical conductivity dependency on the EDOT concentration indicates percolation phenomenon and a three-dimensional nature of the conductive pathways. Tunable conductivity, biocompatibility, and environmental stability are the characteristics offered by PEG-DA/EDOT blends which can be employed in biomedicine, MEMS, microfluidics, and sensorics. (C) 2013 Optical Society of America

引用

页码：31029 / 31035

页数：7

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