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سنتز و شناسایی بیوپلیمر کیتوسان اصلاح شده با پورفیرین و کاربرد آن در تخریب متیلن بلو تحت تابش نور مرئی | ||
| شیمى کاربردى روز | ||
| دوره 18، شماره 66، فروردین 1402، صفحه 173-186 اصل مقاله (1.4 M) | ||
| نوع مقاله: مقاله علمی پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22075/chem.2022.27140.2071 | ||
| نویسندگان | ||
| حسین غفوری* ؛ پیمان حنیفه نژاد؛ زیبا فلفلیان | ||
| گروه شیمی، دانشکده علوم پایه، دانشگاه علم و صنعت، تهران، ایران | ||
| تاریخ دریافت: 21 اردیبهشت 1401، تاریخ بازنگری: 05 مرداد 1401، تاریخ پذیرش: 01 شهریور 1401 | ||
| چکیده | ||
| در این تحقیق، ابتدا کمپلکس کبالت (III) 5، 10، 15، 20-تتراکیس (تترا (4-کربوکسی فنیل) پورفیرین ( (Co-THPBP سنتز و گروههای اسیدی انتهایی آن با استفاده از تیونیل کلرید، کلردار شد. سپس به منظور تثبیت کمپلکس مورد نظر بر روی بستر پلیمری کیتوسان، کمپلکس کبالت-پورفیرین کلردار با استفاده از 4-آمینوفنول محافظت شده اصلاح گردید و با استفاده از محافظت زدایی گروه هیدروکسیل انتهایی 4-آمینوفنول، کمپلکس اصلاح شده به بستر پلیمری کیتوسانCo-THPBP/CS) (متصل گردید. ترکیبات تهیه شده با استفاده از طیف سنجی تبدیل فوریه مادون قرمز، طیف سنجی مرئی- فرابنفش، میکروسکوپ الکترونی روبشی و طیف سنجی بازتابش انتشاری مشخصه نگاری شد. ترکیب تهیه شده به منظور حذف فوتوکاتالیستی متیلن بلو در حضور نور مریی مورد استفاده قرار گرفت. نتایج حاصل تایید کردند که حضور بستر پلیمری کیتوسان، تاثیر بسزایی بر افزایش میزان جذب رنگ متیلن بلو دارد. | ||
| کلیدواژه‌ها | ||
| کیتوسان؛ پورفیرین؛ Co-THPBP؛ متیلن بلو؛ جذب؛ تخریب | ||
| عنوان مقاله [English] | ||
| Synthesis and characterization of porphyrin-modified chitosan biopolymer and its application in the degradation of methylene blue under visible light | ||
| نویسندگان [English] | ||
| Hossein Ghafuri؛ Peyman Hanifehnejad؛ Ziba Felfelian | ||
| Department of Organic Chemistry, Iran University of Science and Technology, Tehran, Iran | ||
| چکیده [English] | ||
| In this research, first, the cobalt (III) complex of 20,15,10,5-tetrakis (tetra(4-carboxyphenol)) porphyrin (Co-THPBP) was synthesized and its terminal acidic groups were chlorinated using thionyl chloride. Then, in order to stabilize the desired complex on the chitosan polymer substrate, the chlorinated cobalt-porphyrin complex was modified using protected 4-aminophenol, and as well as by deprotection of the terminal hydroxyl group of 4-aminophenol, the modified complex was attached to the chitosan polymer substrate. The prepared compounds were characterized using Fourier transform infrared spectroscopy (FT-IR), 1H NMR, Ultraviolet–visible spectroscopy (UV-Vis), scanning electron microscope (SEM), Diffuse Reflectance Spectroscopy (DRS). The prepared compound was applied for the photocatalytic removal of methylene blue in the presence of visible light. The results confirmed that the presence of chitosan polymer substrate has a significant effect on increasing the photodegradation of methylene blue dye. | ||
| کلیدواژه‌ها [English] | ||
| chitosan, porphyrin, Co-THPBP, methylene blue, adsorption, degradation | ||
| مراجع | ||
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