Study of liquid deposition during laser printing of liquids

被引：20

作者：

Duocastella, M. ^{[1
]}

Patrascioiu, A. ^{[1
]}

Dinca, V. ^{[1
,2
]}

Fernandez-Pradas, J. M. ^{[1
]}

Morenza, J. L. ^{[1
]}

Serra, P. ^{[1
]}

机构：

[1] Univ Barcelona, Dept Fis Aplicada & Opt, E-08028 Barcelona, Spain

[2] Natl Inst Lasers Plasma & Radiat Phys, Bucharest 077125, Romania

来源：

APPLIED SURFACE SCIENCE | 2011年 / 257卷 / 12期

关键词：

LIFT; Laser printing; Microdroplets; Microarray; MICROARRAYS; BIOMOLECULES; NANOSECOND; BREAKDOWN; WATER;

D O I：

10.1016/j.apsusc.2010.10.148

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Laser-induced forward transfer (LIFT) is a direct-writing technique which can be used to successfully print various complex and sensitive materials with a high degree of spatial resolution. However, the optimization of its performances requires a deep understanding of the LIFT dynamics. Such understanding should allow correlating the phenomena underlying the liquid transfer process with the morphology of the obtained deposits. To this end, in this work it is presented a study related to two aspects: first, the correlation of the morphological characteristics of the transferred droplets with the variation of the film thickness combined with laser fluence; and second, a correlation of the dependences observed with the dynamics of the transfer process. The work is focused on the understanding of the observed dependences for which the information provided by time-resolved analysis on liquid transfer dynamics has proved to be crucial. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：5255 / 5258

页数：4

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