Hou Yaxin, Liu Yang, Chai Juan
Institute of Fire Safety Materials, School of Materials Science and Engineering, NingboTech University Ningbo 315100 P. R. China
Minhang Crosspoint Academy at Shanghai Wenqi Middle School Shanghai 200245 P. R. China.
RSC Adv. 2024 Sep 2;14(38):27697-27702. doi: 10.1039/d4ra05219f. eCollection 2024 Aug 29.
In this work, a Cd-based metal-organic framework (MOF) {Cd(HL)} (Cd-MOF) (L = 5-(3-carboxypyridin-4-yl)isophthalic acid) has been synthesized solvothermally and characterized. The nitrogen-containing π-electron-rich moieties render Cd-MOF an ideal platform for iodine uptake. Its static adsorption and adsorption kinetics were also investigated. The Cd-MOF efficiently captures iodine and removal efficiency was achieved at 68.6% after 40 h. Furthermore, the Cd-MOF was chosen as the interfacial modification material between the perovskite layer and hole transport layer in the perovskite solar cells (PSCs), Cd-MOF can passivate surface defects and promote hole extraction. Consequently, the Cd-MOF-modified PSCs yield enhanced power conversion efficiencies (PCEs) of 23.71%, outperforming the reference PSCs (21.68%).
在这项工作中，通过溶剂热法合成并表征了一种基于镉的金属有机框架（MOF）{Cd(HL)}（Cd-MOF）（L = 5-(3-羧基吡啶-4-基)间苯二甲酸）。含氮的富π电子部分使Cd-MOF成为一个理想的碘吸附平台。还研究了其静态吸附和吸附动力学。Cd-MOF能有效捕获碘，40小时后去除效率达到68.6%。此外，Cd-MOF被选作钙钛矿太阳能电池（PSC）中钙钛矿层和空穴传输层之间的界面修饰材料，Cd-MOF可以钝化表面缺陷并促进空穴提取。因此，Cd-MOF修饰的PSC的功率转换效率（PCE）提高到23.71%，优于参考PSC（21.68%）。
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