Axisymmetric thermo-mechanical analysis of laser-driven non-contact transfer printing

被引：28

作者：

Li, Rui ^{[1
,2
,3
]}

Li, Yuhang ^{[1
,3
,4
]}

Lu, Chaofeng ^{[1
,3
,5
]}

Song, Jizhou ^{[6
]}

Saeidpourazar, Reza ^{[7
,8
]}

Fang, Bo ^{[4
]}

Zhong, Yang ^{[2
]}

Ferreira, Placid M. ^{[8
]}

Rogers, John A. ^{[7
,8
]}

Huang, Yonggang ^{[1
,3
]}

机构：

[1] Northwestern Univ, Dept Civil & Environm Engn, Evanston, IL 60208 USA

[2] Dalian Univ Technol, State Key Lab Struct Anal Ind Equipment, Dept Engn Mech, Dalian 116024, Peoples R China

[3] Northwestern Univ, Dept Mech Engn, Evanston, IL 60208 USA

[4] Harbin Inst Technol, Sch Astronaut, Harbin 150001, Peoples R China

[5] Zhejiang Univ, Soft Matter Res Ctr, Dept Civil Engn, Hangzhou 310058, Zhejiang, Peoples R China

[6] Univ Miami, Dept Mech & Aerosp Engn, Coral Gables, FL 33146 USA

[7] Univ Illinois, Dept Mat Sci & Engn, Urbana, IL 61801 USA

[8] Univ Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USA

来源：

INTERNATIONAL JOURNAL OF FRACTURE | 2012年 / 176卷 / 02期

基金：

美国国家科学基金会;

关键词：

Laser-driven non-contact transfer printing; Thermo-mechanical analysis; Axisymmetric model; Stamp and ink; LARGE-AREA; SILICON; PRESSURE; SENSORS; MATRIX; TRANSISTORS;

D O I：

10.1007/s10704-012-9744-9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

An axisymmetric thermo-mechanical model is developed for laser-driven non-contact transfer printing, which involves laser-induced impulsive heating to initiate separation at the interface between a soft, elastomeric stamp and hard micro/nanomaterials (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. The model gives analytically the temperature field, and also a scaling law for the energy release rate for delamination at the interface between the stamp and an ink in the form of a rigid plate. The normalized critical laser pulse time for interfacial delamination depends only on the normalized absorbed laser power and width of the ink structure, and has been verified by experiments.

引用

页码：189 / 194

页数：6

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