Dense and vertically-aligned centimetre-long ZnS nanowire arrays: ionic liquid assisted synthesis and their field emission properties

被引：14

作者：

Chen, Shimou ^{[1
]}

Li, Liang ^{[1
]}

Wang, Xi ^{[1
]}

Tian, Wei ^{[1
]}

Wang, Xuebing ^{[1
]}

Tang, Dai-Ming ^{[1
]}

Bando, Yoshio ^{[1
]}

Golberg, Dmitri ^{[1
]}

机构：

[1] Natl Inst Mat Sci, Int Ctr Mat Nanoarchitecton MANA, Tsukuba, Ibaraki 3050044, Japan

来源：

NANOSCALE | 2012年 / 4卷 / 08期

关键词：

MICELLAR THIN-FILMS; CARBON NANOTUBES; BLOCK-COPOLYMER; CATALYTIC GROWTH; NANOSTRUCTURES; CRYSTAL; NANOPOWDERS; EVAPORATION; MORPHOLOGY; TEMPLATES;

D O I：

10.1039/c2nr11835a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Based on the self-ordering behavior of ionic liquids on solid surface, a gold ion containing ionic liquid was employed to obtain a uniform pattern of gold nanoparticles on Si substrate. Using this catalytic pattern, super-dense, centimetre long, well-crystallized and vertically-aligned ZnS nanowire arrays were then generated. It was found that the densely-packed gold nanoparticles played a key role in the nanowire alignment. Furthermore, the field-emission measurements show that the present ultralong ZnS nanowires arrays possess a low turn-on field of 3.69 V mu m(-1) and a high field-enhancement factor of 1215.4, indicating they are valuable field emitters.

引用

页码：2658 / 2662

页数：5

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