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Porous cage-derived nanomaterial inks for direct and internal three-dimensional printing.
Nature Communications ( IF 16.6 ) Pub Date : 2020-09-17 , DOI: 10.1038/s41467-020-18495-5
Tangi Aubert 1, 2 , Jen-Yu Huang 3 , Kai Ma 1 , Tobias Hanrath 3 , Ulrich Wiesner 1
Affiliation  

The convergence of 3D printing techniques and nanomaterials is generating a compelling opportunity space to create advanced materials with multiscale structural control and hierarchical functionalities. While most nanoparticles consist of a dense material, less attention has been payed to 3D printing of nanoparticles with intrinsic porosity. Here, we combine ultrasmall (about 10 nm) silica nanocages with digital light processing technique for the direct 3D printing of hierarchically porous parts with arbitrary shapes, as well as tunable internal structures and high surface area. Thanks to the versatile and orthogonal cage surface modifications, we show how this approach can be applied for the implementation and positioning of functionalities throughout 3D printed objects. Furthermore, taking advantage of the internal porosity of the printed parts, an internal printing approach is proposed for the localized deposition of a guest material within a host matrix, enabling complex 3D material designs.



中文翻译:

用于直接和内部三维打印的多孔笼状纳米材料墨水。

3D 打印技术和纳米材料的融合正在创造一个引人注目的机会空间,以创造具有多尺度结构控制和分层功能的先进材料。虽然大多数纳米粒子由致密的材料组成,但对具有固有孔隙率的纳米粒子的 3D 打印关注较少。在这里,我们将超小(约 10 nm)二氧化硅纳米笼与数字光处理技术相结合,用于直接 3D 打印具有任意形状、可调内部结构和高表面积的分层多孔部件。由于多功能和正交的笼子表面修改,我们展示了如何将这种方法应用于整个 3D 打印对象的功能的实现和定位。此外,利用打印部件的内部孔隙率,

更新日期:2020-09-18
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