Modeling of temperature-dependent diffusion and polymerization kinetics and their effects on two-photon polymerization dynamics

Nitin Uppal; Panos S. Shiakolas

doi:10.1117/1.3033203

1 October 2008 Modeling of temperature-dependent diffusion and polymerization kinetics and their effects on two-photon polymerization dynamics

Nitin Uppal, Panos S. Shiakolas

Author Affiliations +

Journal of Micro/Nanolithography, MEMS, and MOEMS, Vol. 7, Issue 4, 043002 (October 2008). https://doi.org/10.1117/1.3033203

Abstract

Two-photon polymerization (2PP) is an effective technique for the fabrication of complex polymeric 3-D micro/nanofeatures and structures using ultrashort pulses from a NIR laser source. The interaction of laser pulses with photoresponsive resin creates a voxel (volumetric pixel) that defines the resolution of the 2PP process. In this work, we present a mathematical model of the 2PP process that considers the effects of radical diffusion and polymerization kinetics on polymerization dynamics. The increase in temperature during the polymerization process and its effect on polymerization kinetics are considered in the model. The developed model is solved numerically to obtain a better understanding of the polymerization dynamics at various time scales. The effects of diffusion and polymerization kinetics on the growth of voxels are analyzed from the presented simulations. A comparison between high and low pulse repetition rate systems is also presented, showing different polymerization dynamics.

©(2008) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Nitin Uppal and Panos S. Shiakolas "Modeling of temperature-dependent diffusion and polymerization kinetics and their effects on two-photon polymerization dynamics," Journal of Micro/Nanolithography, MEMS, and MOEMS 7(4), 043002 (1 October 2008). https://doi.org/10.1117/1.3033203

Published: 1 October 2008

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available