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Ultrafast Growth of Large 2D Silver Nanosheets by Highly Ordered Biological Template at Air/Gel Interface
Advanced Materials Interfaces ( IF 5.4 ) Pub Date : 2018-03-02 , DOI: 10.1002/admi.201701491
Hyung‐Seok Jang 1 , Baekhoon Seong 2 , Xining Zang 1 , Hyungdong Lee 2 , Jin Woo Bae 1 , Dae‐Hyun Cho 3 , Emmeline Kao 1 , Chen Yang 1 , Giho Kang 2 , Yumeng Liu 1 , Hyun Sung Park 1 , Doyoung Byun 2 , Liwei Lin 1
Affiliation  

The growth of large and high‐quality 2D nanomaterials is challenging due to the formation of defects from dislocations, disinclinations, and symmetry‐breaking instabilities. In this study it is demonstrated that biological template can be utilized to align the molecular orientation for large grain size in the synthesis of the high‐quality 2D silver nanostructure. The solvent assisted multilayering phenomenon of hydrogel forms biological template at the air/gel interface and supports the silver salts to grow laterally and largely in a 2D manner between the scaffold layers with a nominal thickness of 4.4 ± 0.3 nm. This solution‐based deposition mechanism is demonstrated based on droplet, spin‐coating, and electrohydrodynamic jet printing schemes for robust and flexible conductive thin films or patterns.

中文翻译:

通过空气/凝胶界面上的高度有序的生物模板,超快地生长大型二维银纳米片。

大型和高质量的2D纳米材料的增长具有挑战性,这是由于位错,倾斜和对称破坏的不稳定性所形成的缺陷所致。在这项研究中,证明了在合成高质量二维银纳米结构时,可以利用生物模板来对齐大晶粒尺寸的分子方向。水凝胶的溶剂辅助多层现象在空气/凝胶界面形成生物模板,并支持银盐​​在支架层之间以2D方式横向和很大程度上以2D方式生长,其标称厚度为4.4±0.3 nm。基于液滴,旋涂和电动流体喷射印刷方案展示了基于解决方案的沉积机制,可实现坚固而灵活的导电薄膜或图案。
更新日期:2018-03-02
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