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van der Waals oxide heteroepitaxy for soft transparent electronics.
Nanoscale ( IF 6.7 ) Pub Date : 2020-08-18 , DOI: 10.1039/d0nr04219f
Yugandhar Bitla 1 , Ying-Hao Chu
Affiliation  

The quest for multifunctional, low-power and environment friendly electronics has brought research on materials to the forefront. For instance, as the emerging field of transparent flexible electronics is set to greatly impact our daily lives, more stringent requirements are being imposed on functional materials. Inherently flexible polymers and metal foil templates have yielded limited success due to their incompatible high-temperature growth and non-transparency, respectively. Although the epitaxial-transfer strategy has shown promising results, it suffers from tedious and complicated lift-off-transfer processes. The advent of graphene, in particular, and 2D layered materials, in general, with ultrathin scalability has revolutionized this field. Herein, we review the direct growth of epitaxial functional oxides on flexible transparent mica substrates via van der Waals heteroepitaxy, which mitigates misfit strain and substrate clamping for soft transparent electronics applications. Recent advances in practical applications of flexible and transparent electronic elements are discussed. Finally, several important directions, challenges and perspectives for commercialization are also outlined. We anticipate that this promising strategy to build transparent flexible optoelectronic devices and improve their performance will open up new avenues for researchers to explore.

中文翻译:

范德华氧化物异质外延用于软透明电子产品。

对多功能,低功耗和环境友好型电子设备的追求使材料研究走在了最前沿。例如,随着透明柔性电子产品的新兴领域将极大地影响我们的日常生活,对功能材料提出了更加严格的要求。固有的柔性聚合物和金属箔模板分别由于其不相容的高温生长和不透明而获得有限的成功。尽管外延转移策略已经显示出令人鼓舞的结果,但是它遭受了繁琐且复杂的提离转移过程。特别是石墨烯和2D层状材料的问世,具有超薄的可扩展性,彻底改变了这一领域。在这里通过van der Waals异质外延,可减轻软透明电子应用中的失配应变和基板夹持。讨论了柔性和透明电子元件在实际应用中的最新进展。最后,还概述了商业化的几个重要方向,挑战和前景。我们预计,构建透明的柔性光电器件并提高其性能的这一有前途的策略将为研究人员开拓新的途径。
更新日期:2020-09-24
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