In situ synthesis of RGO and CNT-templated diamond-shaped Fe-based metal-organic frameworks: Exploring their remarkable photocatalytic and antioxidant properties

IF 4.4 3区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Communications Pub Date : 2024-11-19 DOI:10.1016/j.inoche.2024.113589

Sunil Kumar , Siddharth , Rachna Ahlawat , Gita Rani , Jai Devi , Ajay Kamboj

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Abstract

This research examines the antioxidant and photocatalytic capabilities of diamond-shaped RGO and CNT-doped Fe-based Metal-Organic Frameworks (MOFs), utilizing MIL-53 as the structural framework. A solvothermal method was used for the synthesis of diamond-shaped RGO and CNT-doped MOFs. MOFs structural properties were characterized using FTIR, Raman spectroscopy, FE-SEM, XPS, and p-XRD methods. UV–visible spectroscopy was utilized to analyze the photocatalytic performance and band gap measured as 2.62 eV at 474 nm for RGO-doped MOF and 2.33 eV at 531 nm for CNT-doped MOFs. Amido black 10B (AB10) dye was used to assess the sample’s photocatalytic efficacy in the presence and absence of H₂O₂. After 40 min of sunshine exposure, the RGO-doped MOFs-H₂O₂ combination revealed 88.15 % photocatalytic degradation capability, while the CNT-doped MOFs demonstrated 98.42 %. To determine the antioxidant activity of the material, a DPPH test was performed. At 400 μg/ml, RGO-doped MOFs showed an EC50 value of 183.89 and 77.81 % inhibition, while CNT-doped MOFs showed 153.59 and 92 % inhibition.

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原位合成菱形铁基金属有机框架的 RGO 和 CNT：探索其卓越的光催化和抗氧化性能

本研究以 MIL-53 为结构框架，考察了菱形 RGO 和 CNT 掺杂的铁基金属有机框架（MOFs）的抗氧化和光催化能力。采用溶热法合成了菱形 RGO 和掺杂 CNT 的 MOFs。使用傅立叶变换红外光谱、拉曼光谱、FE-SEM、XPS 和 p-XRD 方法对 MOFs 的结构特性进行了表征。利用紫外可见光谱分析了光催化性能，测得掺杂 RGO 的 MOF 在 474 纳米波长处的带隙为 2.62 eV，掺杂 CNT 的 MOF 在 531 纳米波长处的带隙为 2.33 eV。在有 H2O2 和没有 H2O2 的情况下，用 Amido black 10B (AB10) 染料来评估样品的光催化功效。经过 40 分钟的日光照射后，掺杂 RGO 的 MOFs-H2O2 组合显示出 88.15% 的光催化降解能力，而掺杂 CNT 的 MOFs 则显示出 98.42% 的光催化降解能力。为了确定材料的抗氧化活性，进行了 DPPH 试验。在 400 μg/ml 的浓度下，掺杂 RGO 的 MOFs 的 EC50 值为 183.89，抑制率为 77.81%，而掺杂 CNT 的 MOFs 的 EC50 值为 153.59，抑制率为 92%。

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来源期刊

Inorganic Chemistry Communications 化学-无机化学与核化学

CiteScore

5.50

自引率

7.90%

发文量

1013

审稿时长

53 days

期刊介绍： Launched in January 1998, Inorganic Chemistry Communications is an international journal dedicated to the rapid publication of short communications in the major areas of inorganic, organometallic and supramolecular chemistry. Topics include synthetic and reaction chemistry, kinetics and mechanisms of reactions, bioinorganic chemistry, photochemistry and the use of metal and organometallic compounds in stoichiometric and catalytic synthesis or organic compounds.