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سنتز تک مرحله‌ای نانوکامپوزیت Bi/CeVO4/Cu4O3 به روش هیدروترمال و بررسی عملکرد فوتوکاتالیزوری آن در سولفورزدایی از دی بنزوتیوفن | ||
| شیمى کاربردى روز | ||
| دوره 19، شماره 72، مهر 1403، صفحه 305-318 اصل مقاله (926.23 K) | ||
| نوع مقاله: مقاله علمی پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22075/chem.2024.34150.2271 | ||
| نویسندگان | ||
| محمد قدرتی؛ مهدی موسوی کمازانی* | ||
| گروه نانوشیمی، دانشکده نانوفناوری، پردیس علوم و فناوری‌های نوین، دانشگاه سمنان، سمنان، ایران | ||
| تاریخ دریافت: 27 اردیبهشت 1403، تاریخ بازنگری: 16 مهر 1403، تاریخ پذیرش: 01 آبان 1403 | ||
| چکیده | ||
| در این پژوهش، برای اولین بار نانوکامپوزیت Bi/CeVO4/Cu4O3 از طریق یک روش هیدروترمال تک مرحله‌ای و با استفاده از هیدرازین به عنوان هم عامل تولید یون هیدروکسید و هم عامل احیاکننده سنتز شد. برای مشخصه‌یابی محصول از آنالیزهای XRD، EDS، DRS و FESEM استفاده شد. مطابق با نتایج آنالیزها، نانوساختارهای سریم وانادات و مس اکسید بر روی میکروساختارهای بیسموت تشکیل شدند. سپس، عملکرد فوتوکاتالیزوری محصولات سنتز شده در سولفورزدایی از دی بنزوتیوفن تحت تابش نور مرئی به مدت یک ساعت ارزیابی شد. راندمان سولفورزدایی برای نانوکامپوزیت مذکور تحت تابش نور مرئی به مدت یک ساعت حدود 88 درصد به دست آمد که نتیجه مطلوبی است. همچنین، با استفاده از نانوکامپوزیت Bi/CeVO4 مقدار گوگردزدایی 75 درصد به دست آمد که تأثیر مس را بر توانمندی نانوکامپوزیت نشان می دهد. در واقع Cu4O3 با افزایش میزان جذب نور، هم افزایی در تولید الکترون-حفره و نیز کاهش نرخ بازترکیب راندمان فوتوکاتالیزوری Bi/CeVO4 را به طور چشمگیری ارتقا می‌بخشد. | ||
| کلیدواژه‌ها | ||
| نانوکامپوزیت؛ Bi/CeVO4؛ هیدروترمال؛ گوگردزدایی؛ دی بنزوتیوفن | ||
| عنوان مقاله [English] | ||
| One-step synthesis of Bi/CeVO4/Cu4O3 nanocomposite by hydrothermal method and investigation of its photocatalytic performance in desulfurization of dibenzothiophene | ||
| نویسندگان [English] | ||
| Mohammad Ghodrati؛ Mehdi Mousavi-Kamazani | ||
| Department of Nanotechnology, Faculty of New Sciences and Technologies, Semnan University, Semnan, Iran | ||
| چکیده [English] | ||
| In this research, for the first time, Bi/CeVO4/Cu4O3 nanocomposite was synthesized through a one-step hydrothermal method using hydrazine as both hydroxide ion production agent and reducing agent to produce bismuth metal. XRD, EDS, DRS, and FESEM analyzes were used to characterize the product. According to the analysis results, cerium vanadate and copper oxide nanostructures were formed on bismuth microstructures. Then, the photocatalytic performance of the as-synthesized products in the desulfurization of dibenzothiophene was evaluated under visible light irradiation for one hour. The desulfurization efficiency for the as-synthesized nanocomposite under visible light irradiation for one hour was about 88%, which is a favorable result. Also, by using Bi/CeVO4 nanocomposite, a desulfurization value of 75% was obtained, which shows the effect of copper on the ability of nanocomposite. In fact, Cu4O3 significantly improves the photocatalytic efficiency of Bi/CeVO4 by increasing the amount of light absorption, synergy in electron-hole production, and reducing the recombination rate. | ||
| کلیدواژه‌ها [English] | ||
| Nanocomposite, Bi/CeVO4, Hydrothermal, Desulfurization, Dibenzothiophene | ||
| مراجع | ||
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