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Metal-Organic Framework for Transparent Electronics.
Advanced Science ( IF 14.3 ) Pub Date : 2020-03-05 , DOI: 10.1002/advs.201903003
Jie Wu 1 , Jinhang Chen 2 , Chao Wang 1 , Yi Zhou 1 , Kun Ba 2 , Hu Xu 3 , Wenzhong Bao 3 , Xiaohui Xu 1 , Anna Carlsson 4 , Sorin Lazar 4 , Arno Meingast 4 , Zhengzong Sun 2 , Hexiang Deng 1
Affiliation  

Electronics allowing for visible light to pass through are attractive, where a key challenge is to make the core functional units transparent. Here, it is shown that transparent electronics can be constructed by epitaxial growth of metal-organic frameworks (MOFs) on single-layer graphene (SLG) to give a desirable transparency of 95.7% to 550 nm visible light and an electrical conductivity of 4.0 × 104 S m-1. Through lattice and symmetry match, collective alignment of MOF pores and dense packing of MOFs vertically on SLG are achieved, as directly visualized by electron microscopy. These MOF-on-SLG constructs are capable of room-temperature recognition of gas molecules at the ppb level with a linear range from 10 to 108 ppb, providing real-time gas monitoring function in transparent electronics. The corresponding devices can be fabricated on flexible substrates with large size, 3 × 5 cm, and afford continuous folding for more than 200 times without losing conductivity or transparency.

中文翻译:

透明电子的金属有机框架。

允许可见光通过的电子产品很有吸引力,其中的一个关键挑战是使核心功能单元透明。研究表明,可以通过在单层石墨烯 (SLG) 上外延生长金属有机框架 (MOF) 来构建透明电子器件,以提供 95.7% 至 550 nm 可见光的理想透明度和 4.0 × 的电导率104 S m-1。通过晶格和对称性匹配,实现了 MOF 孔的集体排列和 MOF 在 SLG 上垂直的致密堆积,如电子显微镜直接观察到的。这些 MOF-on-SLG 结构能够在室温下识别 ppb 级别的气体分子,线性范围为 10 至 108 ppb,从而在透明电子产品中提供实时气体监测功能。相应的器件可以在大尺寸(3×5厘米)的柔性基板上制造,并且可以连续折叠200次以上而不会失去导电性或透明度。
更新日期:2020-04-21
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