Nature-Inspired Stalactite Nanopores for Biosensing and Energy Harvesting,Advanced Materials

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Nature-Inspired Stalactite Nanopores for Biosensing and Energy Harvesting
Advanced Materials ( IF 27.4 ) Pub Date : 2023-05-27 , DOI: 10.1002/adma.202302827
Andrey Chernev ₁ , Yunfei Teng ₁ , Mukeshchand Thakur ₁ , Victor Boureau ₂ , Lucie Navratilova ₂ , Nianduo Cai ₁ , Tzu-Heng Chen ₁ , Liping Wen _{3,

4} , Vasily Artemov ₁ , Aleksandra Radenovic ₁

Affiliation

Nature provides a wide range of self-assembled structures from the nanoscale to the macroscale. Under the right thermodynamic conditions and with the appropriate material supply, structures like stalactites, icicles, and corals can grow. However, the natural growth process is time-consuming. This work demonstrates a fast, nature-inspired method for growing stalactite nanopores using heterogeneous atomic deposition of hafnium dioxide at the orifice of templated silicon nitride apertures. The stalactite nanostructures combine the benefits of reduced sensing region typically for 2-dimensional material nanopores with the asymmetric geometry of capillaries, resulting in ionic selectivity, stability, and scalability. The proposed growing method provides an adaptable nanopore platform for basic and applied nanofluidic research, including biosensing, energy science, and filtration technologies.

中文翻译：

用于生物传感和能量收集的受自然启发的钟乳石纳米孔

大自然提供了从纳米尺度到宏观尺度的各种自组装结构。在适当的热力学条件和适当的材料供应下，钟乳石、冰柱和珊瑚等结构可以生长。然而，自然生长过程是耗时的。这项工作展示了一种快速、受自然启发的方法，利用二氧化铪在模板化氮化硅孔径的孔口处的异质原子沉积来生长钟乳石纳米孔。钟乳石纳米结构将二维材料纳米孔典型的传感区域减小的优点与毛细管的不对称几何形状相结合，从而实现了离子选择性、稳定性和可扩展性。所提出的生长方法为基础和应用纳米流体研究（包括生物传感、能源科学和过滤技术）提供了一个适应性强的纳米孔平台。

更新日期：2023-05-27

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