Photochromic Coordination Compound: Oxygen-Assisted Photoinduced Color Change for Triplet Oxygen Detection,Inorganic Chemistry

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Photochromic Coordination Compound: Oxygen-Assisted Photoinduced Color Change for Triplet Oxygen Detection
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2021-12-28 , DOI: 10.1021/acs.inorgchem.1c03179
Cao-Ming Yu ₁ , Xian Zhang ₁ , Yong-Qin Wei ₁ , Li-Zhen Cai ₁ , Ming-Sheng Wang ₁ , Guo-Cong Guo ₁

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Detection of oxygen though color change is highly desirable for rapid qualitative analysis like the case of pH test papers. This work demonstrates ³O₂-assisted photoinduced color change of a new photochromic coordination compound [Zn(4-aminopyridine)₂Cl₂] (ZnaPyCl), which represents the first photochromic compound with a selective ³O₂ detection ability. The compound underwent photoinduced intraligand charge separation and formed a stable diradical-like triplet species in the solid state or in frozen solution, accompanied by conversion of triplet oxygen to singlet oxygen.

中文翻译：

光致变色配位化合物：用于三重态氧检测的氧辅助光致变色

对于快速定性分析，例如 pH 试纸，非常需要通过颜色变化检测氧气。这项工作展示了一种新的光致变色配位化合物 [Zn(4-aminopyridine) ₂ Cl ₂ ] ( ZnaPyCl ) 的³ O ₂辅助光致变色，它代表了第一个具有选择性³ O ₂检测能力的光致变色化合物。该化合物经历光诱导配体内电荷分离，并在固态或冷冻溶液中形成稳定的类双自由基三线态物质，同时三线态氧转化为单线态氧。

更新日期：2022-01-17

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