بررسی خواص اپتیکی نانو فسفر CaZrO3 تحت تابش فرابنفش و اشعه ایکس

جعفری فشارکی, مرجانه; کریمی, لیلا; نادری, مژگان

بررسی خواص اپتیکی نانو فسفر CaZrO3 تحت تابش فرابنفش و اشعه ایکس

نوع مقاله : مقاله پژوهشی

نویسندگان

¹ دانشکده فیزیک، دانشگاه پیام نور، تهران، ایران

² گروه فیزیک، دانشگاه کاشان، کاشان، اصفهان، ایران

چکیده

در این پژوهش، نانو فسفر CaZrO₃ با ساختار پروسکایت به روش خوداحتراقی با سوخت اسید سیتریک در دمای C° 350 ساخته شد و طیف XRD در دماهای متفاوت جهت بررسی دمای بهینه نمونه تک فاز و بلوری CaZrO₃ انجام شد. متوسط اندازه بلورکها نیز برای قله مشهود (121) با استفاده از فرمول شرر، nm 44 تخمین زده شد. ریختشناسی نمونهها با استفاده از FESEM و EDXS حاکی از سایز نانومتری نمونهها و تشکیل فازهای مورد نظر در نمونه بود. طیف نشر فوتولومینسانس (PL) نمونه تحت طول موج برانگیختگی nm 256 دارای یک نوار پهن در اطراف nm 435 (ناحیه مرئی) در ناحیه آبی طیف الکترومغناطیسی است. نتایج آنالیز ترمولومینسانس (TL) نیز نشان داد نمونه CaZrO₃ ساخته شده با این روش حتی در غیاب ناخالصی هم خواص ترمولومینسانس از خود نشان میدهد. نانوفسفر با پرتو فرابنفش با طول موج nm 254 در زمانهای متفاوت پرتودهی شد و قلهی تابشی آن در منحنی ترمولومینسانس در Cº 204 کامل مشهود بود. همچنین، نانوفسفر CaZrO₃ با پرتو ایکس در زمانهای متفاوت پرتودهی شد و منحنی ترمولومینسانس آن شامل یک قله منفرد در دمای Cº 209 بود. خطی بودن، تکرار پذیری و محوشدگی CaZrO₃ تحت پرتو فرابنفش و پرتو ایکس بررسی شد.

کلیدواژه‌ها

20.1001.1.24235628.1401.9.2.15.3

عنوان مقاله [English]

Investigation of optical properties of CaZrO3 nanophosphor under UV and X-ray irradiation

نویسندگان [English]

Marjaneh Jafari Fesharaki ¹
Leila Karimi ¹
Mozhgan Naderi ²

¹ Department of Physics, Payame Noor University, Tehran, Iran

² Department of physics, Kashan University, Kashan, Iran

چکیده [English]

In this study, CaZrO3 nanophosphors with perovskite structure were synthesized by self-combustion method with citric acid as fuel at 350 °C and XRD patterns were performed at different temperatures to evaluate the optimum temperature of single-phase and crystalline CaZrO3 samples. The average size of crystals for the apparent peak (121) was estimated to be 44 nm using Scherer formula. The morphology of the samples using FE-SEM and EDXS indicated the nanometer size of the samples and the formation of desired phases in the sample. The photoluminescence (PL) emission spectrum of a sample under the excitation wavelength of 256 nm has a broad band around 435 nm (visible region) in the blue region of the electromagnetic spectrum. The results of thermoluminescence (TL) analysis also showed that the CaZrO3 sample made by this method shows TL properties even in the absence of impurities. Nanophosphors were irradiated with UV light at 254 nm at different times and its radiative peak was quite visible in the thermoluminescence curve at 204 °C. Also, CaZrO3 nanophosphors were irradiated with X-ray at different times and its thermoluminescence curve included a single peak at 209 °C. The linearity, reproducibility and fading of CaZrO3 were investigated under UV and X-ray irradiation.

کلیدواژه‌ها [English]

optical properties
nanophosphor
UV irradiation
X-ray

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بررسی خواص اپتیکی نانو فسفر CaZrO3 تحت تابش فرابنفش و اشعه ایکس

Investigation of optical properties of CaZrO3 nanophosphor under UV and X-ray irradiation

مراجع

[1] K. Hkiri, H. E. A. Mohamed, M. Ben Salem, A. Kouki, M. Maaza, M. Zouaoui, “Biosynthesis and characterization of CaZrO₃ nanoparticles via hyphaene thebaica: effect of preparation method on morphology, electrical, and dielectric properties”,

[5] X. Wang, T. Liu, J. Yu, L. Li, “The effect of Fe doping on the electrical conductivities of CaZrO₃ and its sensing performance in limiting current oxygen sensor”, Alloys Compd. 768, 838, 2018.

[11] H. Tang and X. Zhang, “Luminescence Properties by Li⁺-ion Modified Na₄CaSi₃O₉: Dy³⁺ Phosphors”, in IOP Conference Series: Earth and Environmental Science, 639, 012025, 2021.

[20] I. P. Sahu, D. Bisen, R. K. Tamrakar, K. Murthy, and M. Mohapatra, “Studies on the

prepared by the solid state reaction method”, Science: Advanced Materials and Devices, 2, 69, 2017.

[21] J. Han, Z. Wen, J. Zhang, X. Xu, Z. Gu, Y. Liu, “Synthesis and characterization of proton conductive CaZr_0.90In_0.10O_3−δ by a citric acid complexation method”, Fusion Eng. Des. 85, 2100, 2010.

دوره 9، شماره 2
تیر 1401
صفحه 138-145

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سابقه مقاله

هم رسانی

ارجاع به این مقاله

آمار

بررسی خواص اپتیکی نانو فسفر CaZrO3 تحت تابش فرابنفش و اشعه ایکس

Investigation of optical properties of CaZrO3 nanophosphor under UV and X-ray irradiation

مراجع

[1] K. Hkiri, H. E. A. Mohamed, M. Ben Salem, A. Kouki, M. Maaza, M. Zouaoui, “Biosynthesis and characterization of CaZrO3 nanoparticles via hyphaene thebaica: effect of preparation method on morphology, electrical, and dielectric properties”,

[5] X. Wang, T. Liu, J. Yu, L. Li, “The effect of Fe doping on the electrical conductivities of CaZrO3 and its sensing performance in limiting current oxygen sensor”, Alloys Compd. 768, 838, 2018.

[11] H. Tang and X. Zhang, “Luminescence Properties by Li+-ion Modified Na4CaSi3O9: Dy3+ Phosphors”, in IOP Conference Series: Earth and Environmental Science, 639, 012025, 2021.

[20] I. P. Sahu, D. Bisen, R. K. Tamrakar, K. Murthy, and M. Mohapatra, “Studies on the

prepared by the solid state reaction method”, Science: Advanced Materials and Devices, 2, 69, 2017.

[21] J. Han, Z. Wen, J. Zhang, X. Xu, Z. Gu, Y. Liu, “Synthesis and characterization of proton conductive CaZr0.90In0.10O3−δ by a citric acid complexation method”, Fusion Eng. Des. 85, 2100, 2010.

دوره 9، شماره 2تیر 1401صفحه 138-145

فایل ها

سابقه مقاله

هم رسانی

ارجاع به این مقاله

آمار

[1] K. Hkiri, H. E. A. Mohamed, M. Ben Salem, A. Kouki, M. Maaza, M. Zouaoui, “Biosynthesis and characterization of CaZrO₃ nanoparticles via hyphaene thebaica: effect of preparation method on morphology, electrical, and dielectric properties”,

[5] X. Wang, T. Liu, J. Yu, L. Li, “The effect of Fe doping on the electrical conductivities of CaZrO₃ and its sensing performance in limiting current oxygen sensor”, Alloys Compd. 768, 838, 2018.

[11] H. Tang and X. Zhang, “Luminescence Properties by Li⁺-ion Modified Na₄CaSi₃O₉: Dy³⁺ Phosphors”, in IOP Conference Series: Earth and Environmental Science, 639, 012025, 2021.

[21] J. Han, Z. Wen, J. Zhang, X. Xu, Z. Gu, Y. Liu, “Synthesis and characterization of proton conductive CaZr_0.90In_0.10O_3−δ by a citric acid complexation method”, Fusion Eng. Des. 85, 2100, 2010.

دوره 9، شماره 2
تیر 1401
صفحه 138-145