Thermo-mechanical modeling of laser-driven non-contact transfer printing: Two-dimensional analysis

Rui Li, Yuhang Li, Chaofeng Lü, Jizhou Song, Reza Saeidpouraza, Bo Fang, Yang Zhong, Placid M. Ferreira, John A. Rogers, Yonggang Huang

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

Transfer printing is an emerging technique for materials assembly and micro-/nano-fabrication. An important emerging variant of this process involves laser-induced impulsive heating to initiate separation at the interface between a soft, elastomeric stamp and hard micro-/nano-materials (i.e. inks) on its surface, due to a large mismatch in coefficients of thermal expansion. The result is the active ejection of the inks from the stamp to a spatially separated receiving substrate, thereby representing the printing step. In the following, a thermo-mechanical model is established to analytically obtain the temperature field, and the energy release rate for delamination at the interface between the stamp and ink in the form of a rigid plate. The normalized critical laser pulse time for interfacial delamination depends only on the normalized total heat flux at the interface and the normalized width of the ink structure. This scaling law has been verified by experiments and the finite element method.

Original languageEnglish
Pages (from-to)7122-7127
Number of pages6
JournalSoft Matter
Volume8
Issue number27
DOIs
StatePublished - Jul 21 2012

Fingerprint

dimensional analysis
inks
Ink
printing
Printing
Lasers
Delamination
lasers
emerging
nanofabrication
Scaling laws
Energy release rate
Nanotechnology
ejection
scaling laws
Thermal expansion
Heat flux
heat flux
Enthalpy
thermal expansion

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics

Cite this

Li, R., Li, Y., Lü, C., Song, J., Saeidpouraza, R., Fang, B., ... Huang, Y. (2012). Thermo-mechanical modeling of laser-driven non-contact transfer printing: Two-dimensional analysis. Soft Matter, 8(27), 7122-7127. https://doi.org/10.1039/c2sm25339a

Thermo-mechanical modeling of laser-driven non-contact transfer printing : Two-dimensional analysis. / Li, Rui; Li, Yuhang; Lü, Chaofeng; Song, Jizhou; Saeidpouraza, Reza; Fang, Bo; Zhong, Yang; Ferreira, Placid M.; Rogers, John A.; Huang, Yonggang.

In: Soft Matter, Vol. 8, No. 27, 21.07.2012, p. 7122-7127.

Research output: Contribution to journalArticle

Li, R, Li, Y, Lü, C, Song, J, Saeidpouraza, R, Fang, B, Zhong, Y, Ferreira, PM, Rogers, JA & Huang, Y 2012, 'Thermo-mechanical modeling of laser-driven non-contact transfer printing: Two-dimensional analysis', Soft Matter, vol. 8, no. 27, pp. 7122-7127. https://doi.org/10.1039/c2sm25339a
Li, Rui ; Li, Yuhang ; Lü, Chaofeng ; Song, Jizhou ; Saeidpouraza, Reza ; Fang, Bo ; Zhong, Yang ; Ferreira, Placid M. ; Rogers, John A. ; Huang, Yonggang. / Thermo-mechanical modeling of laser-driven non-contact transfer printing : Two-dimensional analysis. In: Soft Matter. 2012 ; Vol. 8, No. 27. pp. 7122-7127.
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