Photopolymerization behaviors of novel two-photon absorption initiators and fabrication of microdevices

被引：0

作者：

Guo, Fuquan ^{[1
,2
]}

Hu, Zhiyuan ^{[1
]}

Fu, Xinjian ^{[1
]}

Zhang, Qijing ^{[2
]}

Huang, Wenhao ^{[3
]}

Xia, Andong ^{[3
]}

机构：

[1] Department of Materials Science and Engineering, Luoyang Institute of Science and Technology, Luoyang, Henan 471023, China

[2] Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China

[3] Department of Precision Machinery and Precision Instrument, University of Science and Technology of China, Hefei, Anhui 230026, China

来源：

Zhongguo Jiguang/Chinese Journal of Lasers | 2009年 / 36卷 / 06期

关键词：

Nonlinear optics - Photons - Pumping (laser) - Luminescence of organic solids - Two photon processes;

D O I：

10.3788/CJL20093606.1528

中图分类号：

学科分类号：

摘要：

Three novel stilbene derivatives (named as BPSBP, BESBP and BCSBP respectively) with D-π-D molecular motif, used as two-photon absorption (TPA) initiators, are designed and synthesized aimed at the excitation source of 800 nm. TPA induced photopolymerization behaviors are studied with the pumping of a femtosecond laser. Effects of the concentrations of TPA initiators on initiation thresholds and effects of the concentrations of TPA initiators, the polymerized energy and the exposure time on the resolution in polymerization are discussed in detail. 3D periodic microstructure with submicrometer resolution is fabricated and characterized by scanning elletron microscope (SEM) under optimized conditions using BPSBP as TPA initiators with the concentration of 32 μmol/g and polymerized energy of 9105 mJ/cm2.

引用

页码：1528 / 1534

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