Optimizing Photo-embossed Gratings: A Gradient Library Approach

B.J. Gans, de, C. Sanchez, D.A. Kozodaev, D. Wouters, A.A. Alexeev, M.J. Escuti, C.W.M. Bastiaansen, D.J. Broer, U.S. Schubert

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Abstract

Methodologies for the rapid screening of coating systems were developed and applied to photopolymer lacquers for photoembossing applications. Continuous and discrete gradient libraries were prepared with a gradient in grating period along the short axis and along the long axis, a gradient in exposure energy, development temperature, film thickness, photoinitiator concentration, or monomer to polymer mass ratio. Discrete gradient libraries consisted of arrays of rectangular films made by pipetting a certain amount of sample onto a chemically patterned substrate consisting of hydrophilic patches surrounded by hydrophobic, fluorinated barriers. The shape and height of the photoembossed gratings were measured using an automated AFM. Optimum grating height was obtained for a 20-µm period at intermediate exposure energies, photoinitiator concentrations, or both. Height improves with development temperature (max 110 °C), monomer-to-polymer ratio (max 55 wt % monomer), and film thickness. Surface topography can also be optimized, depending on any specific application.
Original languageEnglish
Pages (from-to)228-236
JournalJournal of Combinatorial Chemistry
Volume8
Issue number2
DOIs
Publication statusPublished - 2006

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Monomers
Film thickness
Polymers
Lacquers
Photopolymers
Surface topography
Screening
Coatings
Temperature
Substrates

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Gans, de, B. J., Sanchez, C., Kozodaev, D. A., Wouters, D., Alexeev, A. A., Escuti, M. J., ... Schubert, U. S. (2006). Optimizing Photo-embossed Gratings: A Gradient Library Approach. Journal of Combinatorial Chemistry, 8(2), 228-236. https://doi.org/10.1021/cc0500506
Gans, de, B.J. ; Sanchez, C. ; Kozodaev, D.A. ; Wouters, D. ; Alexeev, A.A. ; Escuti, M.J. ; Bastiaansen, C.W.M. ; Broer, D.J. ; Schubert, U.S. / Optimizing Photo-embossed Gratings: A Gradient Library Approach. In: Journal of Combinatorial Chemistry. 2006 ; Vol. 8, No. 2. pp. 228-236.
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abstract = "Methodologies for the rapid screening of coating systems were developed and applied to photopolymer lacquers for photoembossing applications. Continuous and discrete gradient libraries were prepared with a gradient in grating period along the short axis and along the long axis, a gradient in exposure energy, development temperature, film thickness, photoinitiator concentration, or monomer to polymer mass ratio. Discrete gradient libraries consisted of arrays of rectangular films made by pipetting a certain amount of sample onto a chemically patterned substrate consisting of hydrophilic patches surrounded by hydrophobic, fluorinated barriers. The shape and height of the photoembossed gratings were measured using an automated AFM. Optimum grating height was obtained for a 20-µm period at intermediate exposure energies, photoinitiator concentrations, or both. Height improves with development temperature (max 110 °C), monomer-to-polymer ratio (max 55 wt {\%} monomer), and film thickness. Surface topography can also be optimized, depending on any specific application.",
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Gans, de, BJ, Sanchez, C, Kozodaev, DA, Wouters, D, Alexeev, AA, Escuti, MJ, Bastiaansen, CWM, Broer, DJ & Schubert, US 2006, 'Optimizing Photo-embossed Gratings: A Gradient Library Approach', Journal of Combinatorial Chemistry, vol. 8, no. 2, pp. 228-236. https://doi.org/10.1021/cc0500506

Optimizing Photo-embossed Gratings: A Gradient Library Approach. / Gans, de, B.J.; Sanchez, C.; Kozodaev, D.A.; Wouters, D.; Alexeev, A.A.; Escuti, M.J.; Bastiaansen, C.W.M.; Broer, D.J.; Schubert, U.S.

In: Journal of Combinatorial Chemistry, Vol. 8, No. 2, 2006, p. 228-236.

Research output: Contribution to journalArticleAcademicpeer-review

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AU - Gans, de, B.J.

AU - Sanchez, C.

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AU - Alexeev, A.A.

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AU - Schubert, U.S.

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AB - Methodologies for the rapid screening of coating systems were developed and applied to photopolymer lacquers for photoembossing applications. Continuous and discrete gradient libraries were prepared with a gradient in grating period along the short axis and along the long axis, a gradient in exposure energy, development temperature, film thickness, photoinitiator concentration, or monomer to polymer mass ratio. Discrete gradient libraries consisted of arrays of rectangular films made by pipetting a certain amount of sample onto a chemically patterned substrate consisting of hydrophilic patches surrounded by hydrophobic, fluorinated barriers. The shape and height of the photoembossed gratings were measured using an automated AFM. Optimum grating height was obtained for a 20-µm period at intermediate exposure energies, photoinitiator concentrations, or both. Height improves with development temperature (max 110 °C), monomer-to-polymer ratio (max 55 wt % monomer), and film thickness. Surface topography can also be optimized, depending on any specific application.

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Gans, de BJ, Sanchez C, Kozodaev DA, Wouters D, Alexeev AA, Escuti MJ et al. Optimizing Photo-embossed Gratings: A Gradient Library Approach. Journal of Combinatorial Chemistry. 2006;8(2):228-236. https://doi.org/10.1021/cc0500506