The cationic defects engineering and molecular-scale cages effect work together to harvest rich defects and high-density isolated Fe on ZIF, endowing ZIF/Fe-DCA (70) with exposed active sites, facilitating photogenerated carrier separation and optimizing electronic structure. The LSPR effect, intermediated energy band and photothermal transition broaden the light absorption to NIR range with Eg = 2.15 eV. Removal rates for TC (60 mg/L), MB (10 mg/L), MO (10 mg/L) and GV (10 mg/L) are 93 %/86.3 %, 98.2 %/85.1 %, 83.7 %/70.2 % and 82 %/68 % after Vis/NIR irradiation, respectively. A satisfactory purifying efficiency was also detected on the mixed pollutants solution under real sunlight. Besides, the infrared thermography was employed to verify the photothermal conversion visually. The ‧O, O, and triplet state are the most effective active species, and the ‧OH and h both apparently participate in the photodegradation. This study provides effective design ideas involving single atomic co-catalyst and defects into MOFs as full-spectrum photocatalysts to repair environment.

中文翻译：

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全太阳光谱可用的分层多孔 ZIF/Fe-DCA (70) 与孤立的 Fe 和丰富的缺陷共同辅助，可提高环境修复效率


阳离子缺陷工程和分子尺度笼效应共同作用，在ZIF上收获丰富的缺陷和高密度的孤立Fe，赋予ZIF/Fe-DCA（70）暴露的活性位点，促进光生载流子分离并优化电子结构。局域表面等离子体共振效应、中间能带和光热跃迁将光吸收拓宽至 NIR 范围，Eg = 2.15 eV。 TC (60 mg/L)、MB (10 mg/L)、MO (10 mg/L) 和 GV (10 mg/L) 的去除率为 93%/86.3%、98.2%/85.1%、83.7%/可见光/近红外辐射后分别为 70.2% 和 82%/68%。在真实阳光下，混合污染物溶液也检测到了令人满意的净化效率。此外，还采用红外热成像技术来目视验证光热转换。 ‧O、O和三线态是最有效的活性物种，‧OH和h均明显参与光降解。这项研究提供了有效的设计思路，涉及单原子助催化剂和MOFs缺陷作为全光谱光催化剂来修复环境。