Fully 2D and 3D printed anisotropic mechanoluminescent objects and their application for energy harvesting in the dark†,Materials Horizons

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Fully 2D and 3D printed anisotropic mechanoluminescent objects and their application for energy harvesting in the dark†
Materials Horizons ( IF 12.2 ) Pub Date : 2018-05-21 00:00:00 , DOI: 10.1039/c8mh00296g
Dinesh K. Patel _{1,

2,

3,

4,

5} , Bat-El Cohen _{1,

2,

3,

4,

5} , Lioz Etgar _{1,

2,

3,

4,

5} , Shlomo Magdassi _{1,

2,

3,

4,

5}

Affiliation

We report on new material compositions enabling fully printed mechanoluminescent 3D devices by using a one-step direct write 3D printing technology. The ink is composed of PDMS, transition metal ion-doped ZnS particles, and a platinum curing retarder that enables a long open time for the printing process. 3D printed mechanoluminescent multi-material objects with complex structures were fabricated, in which light emission results from stretching or wind blowing. The multi-material printing yielded anisotropic light emission upon compression from different directions, enabling its use as a directional strain and pressure sensor. The mechanoluminescent light emission peak was tailored to match that of a perovskite material, and therefore, enabled the direct conversion of wind power in the dark into electricity, by linking the printed device to perovskite-based solar cells.

中文翻译：

完全2D和3D打印的各向异性机械发光物体及其在黑暗中能量收集的应用†

我们报告了通过使用一步直接写入3D打印技术实现完全打印的机械发光3D设备的新材料成分。该油墨由PDMS，过渡金属离子掺杂的ZnS颗粒和铂固化阻滞剂组成，可为印刷过程提供较长的开放时间。制作了具有复杂结构的3D打印的机械发光多材料物体，其中的光发射是由于拉伸或吹动而产生的。多材料印刷在压缩时会从不同方向产生各向异性的光发射，使其可用作定向应变和压力传感器。调整了机械发光的发光峰以匹配钙钛矿材料的发光峰，因此能够将黑暗中的风能直接转换为电能，

更新日期：2018-05-21

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