Laser printed two-dimensional transition metal dichalcogenides.

Laser printed two-dimensional transition metal dichalcogenides.
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DOI:
10.1038/s41598-021-81829-w
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发表时间:
2021-03-04
期刊:
影响因子:
4.6
通讯作者:
Mailis S
Mailis S
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Abbas OA;Lewis AH;Aspiotis N;Huang CC;Zeimpekis I;Hewak DW;Sazio P;Mailis S

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激光加工是一种用于过渡金属二卤化物(TMDCs)的后合成、处理和修饰的高度通用的技术。然而,到目前为止,TMDCs的合成通常依赖于大面积的CVD生长和光刻后处理来制造纳米器件,因此严重依赖于复杂的、资本密集型的、基于真空的加工环境和制造工具。这种不灵活必然限制了简便、快速、非常低成本的合成协议的发展。在这里,我们展示了直接的、空间选择性的合成2D-TMDCs器件,具有良好的电学、拉曼和光致发光特性,可以在环境条件下用最小的光刻或热开销使用激光打印来实现。我们简单、优雅的工艺可以通过包括空间光调制和数字光引擎在内的传统激光打印方法进行扩展,以实现批量生产协议,如卷到卷加工。
Laser processing is a highly versatile technique for the post-synthesis treatment and modification of transition metal dichalcogenides (TMDCs). However, to date, TMDCs synthesis typically relies on large area CVD growth and lithographic post-processing for nanodevice fabrication, thus relying heavily on complex, capital intensive, vacuum-based processing environments and fabrication tools. This inflexibility necessarily restricts the development of facile, fast, very low-cost synthesis protocols. Here we show that direct, spatially selective synthesis of 2D-TMDCs devices that exhibit excellent electrical, Raman and photoluminescence properties can be realized using laser printing under ambient conditions with minimal lithographic or thermal overheads. Our simple, elegant process can be scaled via conventional laser printing approaches including spatial light modulation and digital light engines to enable mass production protocols such as roll-to-roll processing.
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