مشخصه یابی ترکیب BCN با استفاده از روش گسیل پرتوگامای القایی با دوترون

نوع مقاله : مقاله پژوهشی

نویسندگان

پژوهشکده فیزیک و شتابگرها، پژوهشگاه علوم و فنون هسته‌ای، سازمان انرژی اتمی، تهران، ایران

چکیده

این مقاله به معرفی روش گسیل پرتوگامای القایی با دوترون (DIGE) برای آنالیز کمی عناصر تشکیل‌دهنده نمونه‌های BCN می‌پردازد. ماده BCN یک نیمه‌رسانای غیرفلزی است که ساختار مشابه گرافن دارد و خواص آن به‌شدت به نسبت ترکیبات عناصر تشکیل‌دهنده آن یعنی بور، کربن و نیتروژن وابسته است. ازاین‌رو آنالیز کمی آن بسیار حائز اهمیت است. روش DIGE یکی از روش‌های مبتنی بر آنالیز با باریکه یونی است که امکان اندازه‌گیری هم‌زمان عناصر سبک مانند بور، کربن، نیتروژن، اکسیژن و ... را فراهم می‌آورد، که گزینه مناسبی برای مشخصه یابی نمونه‌های BCN است. نمونه نیترید کربن گرافیتی(g-C3N4) که در آن بور به‌صورت ناخالصی واردشده است (BCN) با حرارت دادن تیوره، CH4N2S ، و اضافه کردن اسید بوریک به آن سنتز شد. نمونه‌های g-C3N4و BCN سنتز شده با استفاده از روشهای پراش پرتوایکس (XRD) و طیف‌سنجی تبدیل فوریه مادون‌قرمز (FTIR) موردمطالعه قرار گرفتند تا مشخص شود که فرم درستی از نمونه‌ها رشد داده‌شده است و سپس غلظت عناصر تشکیل‌دهنده در این نمونه‌ها با اندازه‌گیری پرتوهای گامای گسیل‌شده از واکنشهای11B(d,pγ1-0)12B، 14N(d,pγ4-1)13N و 12C(d,pγ1-0)13Cتعیین شدند. نتایج نشان دادند که نسبت کربن و نیتروژن در نمونه‌های g-C3N4و BCN سنتز شده تقریباً 71/0 است و بور بصورت ناخالصی به مقدار 6% در نمونه BCN وارد شده است.

کلیدواژه‌ها

عنوان مقاله [English]

Characterization of BCN compound using deuteron induced gamma-ray emission method

نویسندگان [English]

  • Alireza Jokar
  • Sepideh Shafiei
  • Hossein Rafi-Kheiri
Physics and accelerators research School, Nuclear Science and Technology Research Institute, AEOI, Tehran, Iran
چکیده [English]

This paper introduces the deuteron-induced gamma-ray emission technique (DIGE) for the quantification of BCN samples. BCN is a metal-free semiconductor that has a graphene-like structure and its properties are strongly dependent on the composition of the constituent elements, i.e. boron, carbon, and nitrogen. So, the quantitative analysis of BCN is essential. DIGE is an ion beam analysis method that simultaneously measures light elements such as boron, carbon, nitrogen, oxygen and etc. Therefore, it is a proper method for characterizing BCN samples. A Boron-doped graphene carbon nitride (g-C3N4) was synthesized via heating thiourea and subsequently adding boric acid. The synthesized g-C3N4 and BCN were studied using X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR) to determine that the correct form of the samples was grown..Then, the elemental concentrations in the samples were determined by measuring the prompt gamma-ray from 11B(d,pγ1-0)12B, 14N(d,pγ4-1)13N and 12C(d,pγ1-0)13C reactions.

کلیدواژه‌ها [English]

  • Deuteron induced gamma-ray emission technique (DIGE)
  • Particle induced gamma-ray emission technique (PIGE)
  • graphene carbon nitride (g-C3N4)
  • BCN
  • quantitative analysis

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