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بررسی خواص نوری و ساختاری نقاط کوانتومی کربن سنتز شده از پوست پرتقال به روش هیدروترمال به کمک سنتز سبز | ||
فصلنامه علمی اپتوالکترونیک | ||
دوره 6، شماره 4 - شماره پیاپی 17، شهریور 1403، صفحه 27-34 اصل مقاله (892.87 K) | ||
نوع مقاله: پژوهشی | ||
شناسه دیجیتال (DOI): 10.30473/jphys.2024.71331.1191 | ||
نویسندگان | ||
رستم مرادیان* 1؛ زهرا اسکندری قلعه2؛ معصومه ناصری تکیه3 | ||
1دانشگاه رازی کرمانشاه | ||
2گروه فیزیک دانشکده علوم، دانشگاه رازی، کرمانشاه، ایران | ||
3دانشگاه ملایر | ||
چکیده | ||
نقاط کوانتومی از پوست پرتقال به روش هیدروترمال با موفقیت سنتز شد. نتیجه طیف پراش اشعه ایکس نشان میدهد که نمونه دارای نقاط کوانتومی میباشد. از آنالیز طیف سنجی پراش انرژی پرتو ایکس میتوان نتیجه گرفت که ساختار کربن با درصد وزنی66 درصد شکل گرفته است. جهت بررسی گروههای عاملی سطح نیز از آنالیز طیف سنجی تبدیل فوریه مادون قرمز استفاده شد که وجود عنصر اکسیژن بدلیل وجود گروههای عاملی دپوکسی و هیدروکسیل و فعال بودن سطح نقاط کوانتومی را نشان داد. از آنالیز میکروسکوپ الکترونی روبشی گسیل میدانی نمونه دارای ریخت کروی گونه میباشد. از بررسی خواص نوری داریم که نمونه در طول موج تحریک 350 نانومتر بیشترین خاصیت فلورسانس را از خود نشان میدهد و تحت لامپ فرابنفش دارای رنگ سبز میباشد. جهت بررسی خواص ساختاری و گروههای عاملی از آنالیزهای طیف پراش اشعه ایکس، طیف سنجی پراش انرژی پرتو ایکس، طیف سنجی تبدیل فوریه مادون قرمز و میکروسکوپ الکترونی روبشی گسیل میدانی استفاده شد. جهت بررسی خواص نوری از دو آنالیز مرئی- فرابنفش و فوتولومینسانس استفاده گردید. | ||
کلیدواژهها | ||
نقاط کوانتومی؛ هیدروترمال؛ پوست پرتقال؛ خواص ساختاری؛ خواص نوری | ||
عنوان مقاله [English] | ||
Investigating optical and structural properties of carbon quantum dots synthesized from orange peel by hydrothermal assisted-green method | ||
نویسندگان [English] | ||
rostam moradian1؛ zahra eskandari ghaleh2؛ masome naseri tekyeh3 | ||
1razi university of kermanshah | ||
2Physics Department, Faculty of Science, Razi University | ||
3malayer university | ||
چکیده [English] | ||
Quantum dots was successfully synthesized from orange peel by hydrothermal-assisted green method. The XRD analysis result shows that our sample has quantum dots peaks. From the EDAX analysis result, we found that the carbon structure is formed with a weight percentage of 66%, and the presence of the oxygen element is due to the exitant of functional groups and the activation of the surface of the quantum dots, and these group functionals (hydroxyl and depoxy) were also observed in the FTIR analysis. From the FESEM analysis, the sample has a spherical shape. From the examination of the optical properties, we found that the sample shows the most fluorescence properties at the excitation wavelength of 350 nm and has a green color under the UV lamp. XRD, EDAX, FTIR and FESEM analyzes were used to investigation the group functionals and structural properties. To investigated the optical properties, UV-Visible and PL analyzes were used. | ||
کلیدواژهها [English] | ||
Quantum dots, Hydrothermal, Orange peel, Structural Properties, Optical Properties | ||
مراجع | ||
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