Roller‐Assisted Adhesion Imprinting for High‐Throughput Manufacturing of Wearable and Stretchable Organic Light‐Emitting Devices
Roller‐Assisted Adhesion Imprinting for High‐Throughput Manufacturing of Wearable and Stretchable Organic Light‐Emitting Devices
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DOI：
10.1002/adom.201901525
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发表时间：
2019-12
影响因子：
9
通讯作者：
Da Yin;Nairong Jiang;Zhi-Yu Chen;Yue‐Feng Liu;Yangang Bi;Xu-Lin Zhang;Jing Feng;Hongbo Sun
中科院分区：
文献类型：
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作者：
Da Yin;Nairong Jiang;Zhi-Yu Chen;Yue‐Feng Liu;Yangang Bi;Xu-Lin Zhang;Jing Feng;Hongbo Sun
可伸缩有机光电子器件由于其在可穿戴电子领域的巨大潜力，近年来得到了迅速发展。虽然获得了高性能，但这些器件的高通量制造对其商业应用仍然是一个挑战。在这里，开发了一种辊辅助粘附压印（RAI）技术，通过在有机光电器件上快速生产有序的大面积褶皱结构来克服这一挑战，以使其具有拉伸性。与传统的压印技术需要加热或紫外线处理不同，RAI工艺创新地利用粘附力在压印材料内形成微结构。作为示范，其长度超过10厘米的可拉伸褶皱结构的快速制造和更大的面积可通过连续压印。可拉伸有机发光器件（SOLED）可以通过RAI工艺轻松制造。在20%的拉伸应变下，经过35000次循环拉伸后，器件可以拉伸到100%的应变，并且在5%的电流效率变化下保持工作。这是迄今为止报道的SOLED的最佳机械稳定性。高通量、大面积和具有成本效益的RAI技术的发展提供了可拉伸电子产品的潜在卷对卷连续生产。
Stretchable organic optoelectronic devices have been developed rapidly in the last few years due to their great potential in wearable electronics. Although high performance is obtained, high‐throughput manufacturing of these devices is still a challenge for their commercial application. Here, a roller‐assisted adhesion imprinting (RAI) technique is developed to overcome this challenge by rapid production of ordered and large‐area wrinkled structures on organic optoelectronic devices to enable their stretchability. Different from the conventional imprinting technology requiring heating or ultraviolet treatment, adhesion force is employed innovatively in the RAI process to form microstructures within the imprinted materials. As a demonstration, a stretchable wrinkled structure with its length of more than 10 cm is rapidly fabricated and larger area is available by continuous imprinting. Stretchable organic light‐emitting devices (SOLEDs) are easily manufactured by the RAI process. The SOLEDs can be elongated to 100% strain and keep working with 5% current efficiency variation after 35 000 cycles of stretching with 20% tensile strain. This is the best mechanical stability of SOLEDs reported to date. The development of the high‐throughput, large‐area, and cost‐effective RAI technique provides potential roll‐to‐roll continuous production of stretchable electronics.