Performance comparison of acrylic and thiol-acrylic resins in two-photon polymerization

被引：55

作者：

Jiang, Lijia ^{[1
]}

Xiong, Wei ^{[1
,2
]}

Zhou, Yushen ^{[1
]}

Liu, Ying ^{[1
]}

Huang, Xi ^{[1
]}

Li, Dawei ^{[1
]}

Baldacchini, Tommaso ^{[1
,3
]}

Jiang, Lan ^{[4
]}

Lu, Yongfeng ^{[1
]}

机构：

[1] Univ Nebraska, Dept Elect Engn & Comp Engn, Lincoln, NE 68588 USA

[2] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect WLNO, Wuhan 430074, Hubei, Peoples R China

[3] Newport Corp, Technol & Applicat Ctr, Irvine, CA 92606 USA

[4] Bejing Inst Technol, Sch Mech Engn, Laser Micro Nanofabricat Lab, Beijing 100081, Peoples R China

来源：

OPTICS EXPRESS | 2016年 / 24卷 / 12期

基金：

美国国家科学基金会;

关键词：

MECHANICAL-PROPERTIES; OXYGEN INHIBITION; LASER; MICROFABRICATION; MICROSTRUCTURES; FABRICATION; CHEMISTRY; MONOMERS; PHOTOPOLYMERIZATIONS; LITHOGRAPHY;

D O I：

10.1364/OE.24.013687

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Microfabrication by two-photon polymerization is investigated using resins based on thiol-ene chemistry. In particular, resins containing different amounts of a tetrafunctional acrylic monomer and a tetrafunctional thiol molecule are used to create complex microstructures. We observe the enhancement of several characteristics of two-photon polymerization when using thiol-acrylic resins. Specifically, microfabrication is carried out using higher writing velocities and it produces stronger polymeric microstructures. Furthermore, the amount of shrinkage typically observed in the production of three-dimensional microstructures is reduced also. By means of microspectrometry, we confirm that the thiol-acrylate mixture in TPP resins promote monomer conversion inducing a higher degree of crosslinked network formation. (C) 2016 Optical Society of America

引用

页码：13687 / 13701

页数：15

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