Laser-induced bipolar electrochemistry---on-demand formation of bipolar electrodes in a solid polymer light-emitting electrochemical cell,Journal of the American Chemical Society

当前位置： X-MOL 学术 › J. Am. Chem. Soc. › 论文详情

Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)

Laser-induced bipolar electrochemistry---on-demand formation of bipolar electrodes in a solid polymer light-emitting electrochemical cell
Journal of the American Chemical Society ( IF 14.4 ) Pub Date : 2018-07-12 , DOI: 10.1021/jacs.8b06052
Faleh AlTal ₁ , Jun Gao ₁

Affiliation

Bipolar electrochemistry (BPEC) is a versatile and powerful technique that has found applications in sensing, chemical synthesis, catalysis, fuel cells, and batteries, among others. In BPEC, the reactions of interest occur at a wireless, bipolar electrode (BPE). BPEC is most commonly carried out in an electrochemical cell that contains an electrolyte solution, in which a metallic BPE is immersed and polarized when the wired driving electrodes are biased. In this article, we demonstrate BPEC in a solid light-emitting electrochemical cell (LEC) that does not initially contain a BPE. Shining a focused laser beam onto the mixed conductor LEC film causes the illuminated spot to function as a BPE from which redox reactions are induced and visualized. Separate experiments using a photosensitizer (widely used in polymer solar cells) confirm that a BPE is formed on-demand via photoabsorption that causes the illuminated spot to have elevated photoconductivity. The simplicity of laser-induced BPEC offers exciting opportunities to explore sciences and applications of BPEC in the new realm of solid-state organic photonic devices.

中文翻译：

激光诱导双极电化学——在固体聚合物发光电化学电池中按需形成双极电极

双极电化学 (BPEC) 是一种多功能且功能强大的技术，已在传感、化学合成、催化、燃料电池和电池等领域得到应用。在 BPEC 中，感兴趣的反应发生在无线双极电极 (BPE) 上。BPEC 最常在包含电解质溶液的电化学电池中进行，当有线驱动电极偏置时，金属 BPE 浸入其中并极化。在本文中，我们将在最初不含 BPE 的固体发光电化学电池 (LEC) 中演示 BPEC。将聚焦的激光束照射到混合导体 LEC 膜上，会使照射点起到 BPE 的作用，从中诱导和可视化氧化还原反应。使用光敏剂（广泛用于聚合物太阳能电池）的单独实验证实，BPE 是通过光吸收按需形成的，这会导致照射点具有更高的光电导率。激光诱导 BPEC 的简单性为探索 BPEC 在固态有机光子器件的新领域的科学和应用提供了令人兴奋的机会。

更新日期：2018-07-12

点击分享查看原文

点击收藏

公开下载

阅读更多本刊最新论文本刊介绍/投稿指南11