Analytical Approach for Degradation of Pollutants via Photocatalytic Response of Graphite Intercalated SnO2 Nanophotocatalysts

IF 2.8 4区化学 Q3 CHEMISTRY, PHYSICAL Electrocatalysis Pub Date : 2025-02-24 DOI:10.1007/s12678-025-00938-6

Ashish Kumar, Deepika Maan, Karishma Jain, Harish Kumar Meena, Garima Agarwal, Sushil Kumar Jain, Reena Verma, Balram Tripathi

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Abstract

In this study, we are reporting the reaction mechanism for the photocatalytic response of graphite (Gr) intercalated tin oxide (SnO₂) nanophotocatalysts. These nanocomposites were prepared using sonication method and characterized by using X-ray diffractometer (XRD), scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDX), UV–Vis spectroscopy, photoluminescence (PL) spectroscopy, and Fourier transform infrared (FT-IR) spectroscopy. The XRD spectra confirmed average crystallite size of the order of 29 nm and the XRD patterns showed the presence of the tetragonal structure. Crystallite size was calculated using Debye–Scherrer’s and Williamson-Hall (WH) equations. The degradation of dye and photocatalytic response were optimized with tuning of various parameters such as ppm level of adsorbate and time response.

Graphical Abstract

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石墨插层SnO2纳米光催化剂光催化降解污染物的分析方法

在这项研究中，我们报道了石墨（Gr）插层氧化锡（SnO2）纳米光催化剂的光催化反应机理。采用超声法制备了这些纳米复合材料，并利用x射线衍射仪（XRD）、扫描电镜（SEM）、能量色散x射线分析（EDX）、紫外可见光谱（UV-Vis）、光致发光（PL）光谱和傅里叶变换红外（FT-IR）光谱对其进行了表征。XRD谱图证实了晶体的平均尺寸为29 nm左右，XRD谱图显示了晶体的四边形结构。采用Debye-Scherrer和Williamson-Hall （WH）方程计算晶体尺寸。通过调整吸附质浓度（ppm）和时间响应等参数，对染料降解和光催化反应进行了优化。图形抽象

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来源期刊

Electrocatalysis CHEMISTRY, PHYSICAL-ELECTROCHEMISTRY

CiteScore

4.80

自引率

6.50%

发文量

审稿时长

>12 weeks

期刊介绍： Electrocatalysis is cross-disciplinary in nature, and attracts the interest of chemists, physicists, biochemists, surface and materials scientists, and engineers. Electrocatalysis provides the unique international forum solely dedicated to the exchange of novel ideas in electrocatalysis for academic, government, and industrial researchers. Quick publication of new results, concepts, and inventions made involving Electrocatalysis stimulates scientific discoveries and breakthroughs, promotes the scientific and engineering concepts that are critical to the development of novel electrochemical technologies. Electrocatalysis publishes original submissions in the form of letters, research papers, review articles, book reviews, and educational papers. Letters are preliminary reports that communicate new and important findings. Regular research papers are complete reports of new results, and their analysis and discussion. Review articles critically and constructively examine development in areas of electrocatalysis that are of broad interest and importance. Educational papers discuss important concepts whose understanding is vital to advances in theoretical and experimental aspects of electrochemical reactions.