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Generating Microstructures with Highly Variable Mechanical Performance using Two-Photon Lithography and Thiol-ene Photopolymerization

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Abstract

In this study, we investigate the effect of the exposure dose on the mechanical property of the photoresins generated with acrylate self-polymerization and thiol-ene polymerization. The results indicate that the mechanical performance of the thiol-ene photoresin is highly depended on the exposure dose during the solidification process. With 350-fold exposure dose change, the stiffness of the thiol-ene photoresin reached more that 700-fold change compare to 14-fold of the acrylate photoresin. We developed a TPL photoresist based on our results and show the capability to fabricate microstrucutres with high resolution and variable mechanical performances using this method.

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Acknowledgments

This work was financially supported by the National Natural Science Foundation of China (Nos. 22002015 and 52033002), the Fundamental Research Funding from Jiangsu Province (No. BK20211560) and the Fundamental Research Funds for the Central Universities (No. 2242018R20011).

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Authors and Affiliations

  1. State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China

    Xiao Yang, Yan-Fang Niu, Meng-Xiao Wei, Jun-Ning Zhang, Ke-Liang Liu, Xin Du & Zhong-Ze Gu

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  1. Xiao Yang
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  2. Yan-Fang Niu
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  3. Meng-Xiao Wei
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  4. Jun-Ning Zhang
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  5. Ke-Liang Liu
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  6. Xin Du
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  7. Zhong-Ze Gu
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Correspondence to Xin Du or Zhong-Ze Gu.

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The authors declare no competing financial interest.

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10118_2022_2802_MOESM1_ESM.pdf

Generating Microstructures with Highly Variable Mechanical Performance using Two-Photon Lithography and Thiol-ene Photopolymerization

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Yang, X., Niu, YF., Wei, MX. et al. Generating Microstructures with Highly Variable Mechanical Performance using Two-Photon Lithography and Thiol-ene Photopolymerization. Chin J Polym Sci 41, 67–74 (2023). https://doi.org/10.1007/s10118-022-2802-5

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  • DOI: https://doi.org/10.1007/s10118-022-2802-5

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