Silver nanowires prepared on PET structured by laser irradiation

被引：37

作者：

Krajcar, Robert ^{[1
]}

Siegel, Jakub ^{[1
]}

Slepicka, Petr ^{[1
]}

Fitl, Premysl ^{[2
]}

Svorcik, Vaclav ^{[1
]}

机构：

[1] Inst Chem Technol, Dept Solid State Engn, CR-16628 Prague, Czech Republic

[2] Inst Chem Technol, Dept Phys & Measurements, CR-16628 Prague, Czech Republic

来源：

MATERIALS LETTERS | 2014年 / 117卷

关键词：

PET; Excimer laser treatment; Silver evaporation; Nanowire; Characterization; NANOSTRUCTURES; ARRAYS; PLASMA; FILMS;

D O I：

10.1016/j.matlet.2013.11.112

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Silver nanowire formation on polyethyleneterephthalate (PET) surface treated by excimer KrF. laser is reported. Laser modification of PET was performed with fluence well below its ablation threshold (7 mJ cm(-2)) under three different angles of incidence. Formed linear periodic nanostructures (ripples) were investigated by atomic force microscopy (AFM). Chemical changes On PET surface induced by laser irradiation, i.e. 2% increase in oxygen concentration, were observed in XPS spectra. The changes were also confirmed by contact angle measurements. Silver nanowires were prepared on laser modified polymer surface (template) by vacuum evaporation at 70 degrees glancing angle of incidence. Metal wires were formed predominantly on the ridges of the laser induced periodic nanostructures. The electrical resistance in longitudinal direction to periodic lines orientation was found to be several orders of magnitude lower compared to that in perpendicular direction. UV-vis absorption spectra showed dependence of wire width on the periodicity of polymer template. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：184 / 187

页数：4

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