连续波CO2激光汽化制备t-ZrO2: Eu3+纳米荧光粉的研究

IF 0.9 4区工程技术 Q3 Engineering

Quantum Electronics Pub Date : 2022-02-01 DOI:10.1070/QEL17982

A. Kostyukov, A. Nashivochnikov, V. Snytnikov, M. Rakhmanova, V. Snytnikov

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引用次数: 2

摘要

ZrO2: Eu3+纳米荧光粉是通过使用CO2激光将特定成分的陶瓷靶汽化，然后在氩气流中进行蒸汽冷凝而制成的。在0.1 atm的压力下合成了球形纳米颗粒。发现t-ZrO2相占主导地位(98%)。根据透射电镜数据，纳米颗粒尺寸为10±4 nm。对制备的纳米粒子的发光特性进行了研究。结果表明，样品的强红光主要来自于591 nm和606 nm的峰，这两个峰分别与t-ZrO2结构中Eu3+离子的5D0→7F1和5D0→7F2跃迁有关。在激光合成过程中，铕均匀分布在ZrO2基体上。对t-ZrO2: Eu3+纳米荧光粉与初始粗粒靶进行了对比研究。结果表明，激光汽化法是制备t- zro2基纳米荧光粉的有效方法。

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Study of t-ZrO2 : Eu3+ nanophosphor obtained by laser vaporisation using a cw CO2 laser

ZrO2 : Eu3+ nanophosphor has been fabricated by vaporisation of a ceramic target of specified composition using a CO2 laser, with subsequent vapour condensation in an argon flow. Nanoparticles with spherical morphology have been synthesised at a pressure of 0.1 atm. The t-ZrO2 phase is found to be dominant (98 %). According to the transmission electron microscopy data, the nanoparticle size is 10 ± 4 nm. The luminescence properties of fabricated nanoparticles have been studied. It is shown that the strong red luminescence of the samples is mainly due to the bands peaking at 591 and 606 nm, which are related, respectively, to the 5D0 → 7F1 and 5D0 → 7F2 transitions of Eu3+ ion in the t-ZrO2 structure. It is shown also that europium is uniformly distributed over the ZrO2 matrix during laser synthesis. A comparative study of the t-ZrO2 : Eu3+ nanophosphor and the initial coarse-grained target has been performed. It is concluded that the proposed method of laser vaporisation is promising for synthesising t-ZrO2-based nanophosphors.

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来源期刊

Quantum Electronics 工程技术-工程：电子与电气

CiteScore

3.00

自引率

11.10%

发文量

审稿时长

3-6 weeks

期刊介绍： Quantum Electronics covers the following principal headings Letters Lasers Active Media Interaction of Laser Radiation with Matter Laser Plasma Nonlinear Optical Phenomena Nanotechnologies Quantum Electronic Devices Optical Processing of Information Fiber and Integrated Optics Laser Applications in Technology and Metrology, Biology and Medicine.