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Direct physical vapor deposition and flexible photoelectrical properties of large-area free-standing films of metal octaethylporphyrin on ionic liquid surface

机译:离子液体表面上的大面积八乙基卟啉金属大面积自支撑膜的直接物理气相沉积和柔性光电性能

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摘要

Free-standing films of metal octaethylporphyrins (MOEPs) were prepared for the first time by a physical vapor deposition on surface of an ionic liquid (IL). Different from those on solid surfaces, the as-obtained films were very compact and with plannar structure. The monitoring of time-dependent process indicated that the high surface energy of IL and the strong π…π interaction between MOEP molecules played key roles in forming such films. Furthermore, the as-obtained film showed good transferability, which made it possible to be easily transferred to any substrates for further device application. More importantly, the prototype photodetectors based on free-standing films of MOEP showed ultra flexibility, mechanical stability, and durability.
机译:通过物理气相沉积在离子液体(IL)的表面上,首次制备了金属八乙基卟啉(MOEP)的自支撑膜。与固体表面上的那些不同,所获得的膜非常致密且具有平面结构。对时间依赖性过程的监测表明,IL的高表面能和MOEP分子之间的强π…π相互作用在形成此类膜中起着关键作用。此外,所获得的膜显示出良好的转移性,这使得可以容易地转移至任何基板上以进一步用于装置。更重要的是,基于MOEP独立膜的光电探测器原型具有超强的柔韧性,机械稳定性和耐用性。

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