Self-assembly of lithographically patterned nanoparticles.

Self-assembly of lithographically patterned nanoparticles.
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DOI:
10.1021/nl9022176
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发表时间:
2009-12
期刊:
影响因子:
10.8
通讯作者:
Gracias DH
Gracias DH
中科院分区:
材料科学1区
文献类型:
--
作者:
Cho JH;Gracias DH

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具有任何所需表面图案的三维(3D)对象的构建对于宏观尺度、科学和工程都是关键的,也是很容易实现的。然而,在纳米尺度上,3D制造仅限于表面图案非常有限的颗粒。在这里,我们展示了一种自组装策略,该策略利用成熟的2D纳米级图案化技术的优势,另外还能够构建稳定的3D多面体纳米粒子。作为这一概念的证明,我们自组装了尺寸小至100纳米的立方体颗粒,并具有特定的光刻定义的表面图案。
The construction of three dimensional (3D) objects, with any desired surface patterns, is both critical to and easily achieved in macroscale, science and engineering. However, on the nanoscale, 3D fabrication is limited to particles with only very limited surface patterning. Here, we demonstrate a self-assembly strategy that harnesses the strengths of well established 2D nanoscale patterning techniques and additionally enables the construction of stable 3D polyhedral nanoparticles. As a proof of the concept, we self-assembled cubic particles with sizes as small as 100 nm and with specific and lithographically defined surface patterns.
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