Sliding three-phase contact line of printed droplets for single-crystal arrays

被引：17

作者：

Kuang, Minxuan ^{[1
,2
]}

Wu, Lei ^{[1
]}

Li, Yifan ^{[1
]}

Gao, Meng ^{[1
]}

Zhang, Xingye ^{[1
]}

Jiang, Lei ^{[1
]}

Song, Yanlin ^{[1
]}

机构：

[1] Chinese Acad Sci, Beijing Engn Res Ctr Nanomat Green Printing Techn, Inst Chem, Key Lab Green Printing, Beijing 100190, Peoples R China

[2] Chinese Acad Sci, Tech Inst Phys & Chem, Lab Bioinspired Smart Interface Sci, Beijing 100190, Peoples R China

来源：

NANOTECHNOLOGY | 2016年 / 27卷 / 18期

关键词：

inkjet printing; sliding TCL; surface wettability; oriented single-crystal arrays; SELF-ASSEMBLED MONOLAYERS; EVAPORATION; RESOLUTION; CRYSTALLIZATION; SURFACES; DISPLAYS; DROPS; FILMS; SIZE;

D O I：

10.1088/0957-4484/27/18/184002

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Controlling the behaviours of printed droplets is an essential requirement for inkjet printing of delicate three-dimensional (3D) structures or high-resolution patterns. In this work, molecular deposition and crystallization are regulated by manipulating the three-phase contact line (TCL) behaviour of the printed droplets. The results show that oriented single-crystal arrays are fabricated based on the continuously sliding TCL. Owing to the sliding of the TCL on the substrate, the outward capillary flow within the evaporating droplet is suppressed and the molecules are brought to the centre of the droplet, resulting in the formation of a single crystal. This work provides a facile strategy for controlling the structures of printed units by manipulating the TCL of printed droplets, which is significant for realizing high-resolution patterns and delicate 3D structures.

引用

页数：6

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