M13 Virus Triboelectricity and Energy Harvesting
M13 Virus Triboelectricity and Energy Harvesting
复制标题
DOI：
10.1021/acs.nanolett.1c01881
复制
发表时间：
2021-08-12
期刊：
影响因子：
10.8
通讯作者：
Lee, Seung-Wuk
中科院分区：
文献类型：
--
作者：
Kim, Han;Lee, Ju-Hyuck;Lee, Seung-Wuk
摩擦起电是一种在接触时产生电势的现象。在这里，我们报告了一种能够产生摩擦电势的病毒颗粒。 M13 噬菌体用于制造精确定义的化学和物理结构。通过对带电结构进行基因改造，我们观察到带负电较多的噬菌体可以产生更高的摩擦电势，并且可以比带负电较少的噬菌体更快地扩散电荷。计算结果表明，谷氨酸改造的噬菌体降低了 LUMO 能级，因此它们在接触时可以轻松接受来自其他材料的电子。一种基于噬菌体的摩擦纳米发电机被制造出来，它可以产生类似于 76 V 的电压和类似于 5.1 μA 的电流，在施加机械力时足以为 30 个发光二极管供电。我们的生物技术方法将有助于了解生物材料的电行为、收获机械能，并提供一种新的方式来检测未来所需的病毒。
Triboelectrification is a phenomenon that generates electric potential upon contact. Here, we report a viral particle capable of generating triboelectric potential. M13 bacteriophage is exploited to fabricate precisely defined chemical and physical structures. By genetically engineering the charged structures, we observe that more negatively charged phages can generate higher triboelectric potentials and can diffuse the electric charges faster than less negatively charged phages can. The computational results show that the glutamate-engineered phages lower the LUMO energy level so that they can easily accept electrons from other materials upon contact. A phage-based triboelectric nanogenerator is fabricated and it could produce similar to 76 V and similar to 5.1 mu A, enough to power 30 light-emitting diodes upon a mechanical force application. Our biotechnological approach will be useful to understand the electrical behavior of biomaterials, harvest mechanical energy, and provide a novel modality to detect desired viruses in the future.