Inkjet-printed line morphologies and temperature control of the coffee ring effect

被引：817

作者：

Soltman, Dan ^{[1
]}

Subramanian, Vivek ^{[1
]}

机构：

[1] Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA

来源：

LANGMUIR | 2008年 / 24卷 / 05期

关键词：

D O I：

10.1021/la7026847

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We have studied inkjet-printed drops of a conductive polymer. We show how varying drop spacing and temperature lead to several different printed line morphologies and offer a simple geometric explanation for these various forms. Also, by controlling the evaporation profile of drying drops and lines, we demonstrate control of the coffee ring effect by which solute is transferred to the rim. Under appropriate conditions, we are able to enhance or eliminate the coffee ring effect in our drying features.

引用

页码：2224 / 2231

页数：8

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