A Universal Tandem Device of DC-Driven Electrochromism and AC-Driven Electroluminescence for Multi-Functional Smart Windows,Advanced Materials Technologies

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A Universal Tandem Device of DC-Driven Electrochromism and AC-Driven Electroluminescence for Multi-Functional Smart Windows
Advanced Materials Technologies ( IF 6.4 ) Pub Date : 2022-11-09 , DOI: 10.1002/admt.202201682
Yulu Cai ₁ , Biao Yang ₁ , Junpeng Ji ₁ , Fuchang Sun ₁ , Yiqian Zhao ₁ , Lirong Yu ₁ , Changbin Zhao ₁ , Manyu Liu ₁ , Mingqiang Liu ₂ , Yaowu He ₁ , Chaohong Zhang ₁ , Hong Meng ₁

Affiliation

With the development of modern technology, the functions of smart windows are expected to be more abundant apart from reducing energy consumption. A viable and popular solution is to develop a versatile product. Here a multi-functional tandem device enabled by ionic gels to form a smart glass that can be applied in manifold scenarios, is reported. The ionic gels successfully fulfill the multiple tasks of simultaneously being electrolytes, ion storage medium, as well as transparent electrodes, and help heighten the overall transparency of the devices. The novel tandem configuration simply consists of five stacking functional layers and is universal for DC-driven electrochromic and AC-driven electroluminescent sub-devices. The newly-developed devices demonstrate magnificent characteristics of high and tunable transparency (0–77%), selective infrared shielding ability, diversified displaying and decoration, excellent stability (3000 cycles), and even flexibility. Multifarious application scenarios of the structure in diversified device forms are proposed and presented. The proposed device architecture provides a facile methodology to fabricate functional devices and will provoke infinite novel ideas for developing the next-generation smart windows.

中文翻译：

用于多功能智能窗的直流驱动电致变色和交流驱动电致发光的通用串联装置

随着现代科技的发展，智能窗除了降低能源消耗外，其功能也有望更加丰富。一个可行且流行的解决方案是开发多功能产品。这里报道了一种由离子凝胶启用的多功能串联装置，可形成可应用于多种场景的智能玻璃。离子凝胶成功地完成了同时作为电解质、离子存储介质和透明电极的多重任务，并有助于提高设备的整体透明度。新颖的串联配置仅由五个堆叠功能层组成，适用于直流驱动电致变色和交流驱动电致发光子器件。新开发的设备展示了高透明度和可调透明度 (0–77%) 的宏伟特性，选择性红外屏蔽能力，多样化的展示和装饰，出色的稳定性（3000次循环），甚至灵活性。提出并展示了该结构在多种设备形式下的多种应用场景。所提出的设备架构提供了一种简便的方法来制造功能性设备，并将激发开发下一代智能窗户的无限新想法。

更新日期：2022-11-09

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