Enhanced Supercapacitive and Photocatalytic Performance of Mn2%N5%WO3 Nanomaterials: Synthesis, Characterizations, and Dual Applications

IF 3.7 3区化学 Q2 CHEMISTRY, APPLIED

Topics in Catalysis Pub Date : 2026-03-03 DOI:10.1007/s11244-026-02275-4

Muhammad Tauseef Qureshi, Hassan Imam Rizvi, Ayesha Mushtaq, Tahir Iqbal, Umer Farooq, Sabah Kausar, Ghazala Yunus, Abdul Moiz Mohammed, Azza Mohamed Khaled

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引用次数: 0

Abstract

This research work reports the synthesis of Mn and N codoped WO₃ nanostructures by coprecipitation method. These nanomaterials were characterized by X-ray diffraction, Ultraviolent-visible spectroscopy, scanning electron microscopy, energy dispersive X-ray spectroscopy and Fourier transform infrared spectroscopy to evaluate various properties. Bandgap of WO₃ was tuned from 2.53 to 1.87 eV by addition of Mn (2% by wt.) and N (5% by wt.) whereas the XRD study validated the stability of WO₃ as it retained its orthorhombic structure after the addition of codopants but decreased the average crystallite size. WO₃, Mn_2%-N_1%-WO₃ and Mn_2%-N_5%-WO₃ were analyzed by CV, GCD and EIS analysis to verify the optimizations in electrochemical properties of pure WO₃ by codoping. Mn_2%-N_5%-WO₃ showed better energy storage applications, as evident by GCD analysis as the Mn_2%-N_5%-WO₃ showed C_sp of 896.88 F/g, 323.9 Wh/kg Energy density and 1799.9 W/kg Power density. During photocatalytic degradation process for 175 min, WO₃ and Mn_2%-N_5%-WO₃ showed 38.41 and 93.11% degradation for MB; 23.3 and 81.9% degradation for Leflox respectively. Therefore, Mn-N-WO₃ is a potential candidate for the removal of harmful pollutants as well as electrode materials for supercapacitors.

Graphical Abstract

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Mn2%N5%WO3纳米材料的超电容和光催化性能：合成、表征和双重应用

本研究报道了用共沉淀法合成Mn和N共掺杂WO3纳米结构。利用x射线衍射、紫外可见光谱、扫描电镜、能量色散x射线光谱和傅里叶变换红外光谱对这些纳米材料进行了表征，以评价其各种性能。通过添加Mn（重量比为2%）和N（重量比为5%），WO3的带隙从2.53 eV调整到1.87 eV，而XRD研究证实了WO3的稳定性，因为在添加助掺杂剂后，WO3保持了其正交结构，但平均晶粒尺寸减小。通过CV、GCD和EIS分析了WO3、mn2% - n1 -WO3和Mn2%-N5%-WO3，验证了共掺杂对纯WO3电化学性能的优化效果。GCD分析表明，Mn2%-N5%-WO3的Csp值为896.88 F/g， 323.9 Wh/kg能量密度和1799.9 W/kg功率密度。在175 min的光催化降解过程中，WO3和Mn2%-N5%-WO3对MB的降解率分别为38.41%和93.11%；Leflox的降解率分别为23.3和81.9%。因此，Mn-N-WO3是去除有害污染物的潜在候选材料，也是超级电容器的电极材料。图形抽象

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来源期刊

Topics in Catalysis 化学-物理化学

CiteScore

5.70

自引率

5.60%

发文量

197

审稿时长

2 months

期刊介绍： Topics in Catalysis publishes topical collections in all fields of catalysis which are composed only of invited articles from leading authors. The journal documents today’s emerging and critical trends in all branches of catalysis. Each themed issue is organized by renowned Guest Editors in collaboration with the Editors-in-Chief. Proposals for new topics are welcome and should be submitted directly to the Editors-in-Chief. The publication of individual uninvited original research articles can be sent to our sister journal Catalysis Letters. This journal aims for rapid publication of high-impact original research articles in all fields of both applied and theoretical catalysis, including heterogeneous, homogeneous and biocatalysis.