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Low-Cost Combustion Synthesis, Spectroscopic and Optoelectronic Analysis of Novel Ba2YAlO5:Er3+ Nanomaterials for Competent Illumination Applications
Transactions of the Indian Ceramic Society ( IF 1.2 ) Pub Date : 2021-11-29 , DOI: 10.1080/0371750x.2021.2004238
Priyanka Sehrawat 1 , Rajesh Kumar Malik 1 , Rajesh Punia 2 , Monika Sheoran 1 , Manisha Bedi 1 , Hina Dalal 1
Affiliation  

In the current prospective study, novel monoclinic symmetry type Ba2YAlO5:Er3+ nanocrystals with an emanation of vivid greenish light have been manufactured via an ideal, economical and ecological propellant combustion approach. Topographical investigations disclose roughly spherical agglomerated particles of nano-conduct (40-65 nm). Optimized content of the activator (Er3+) has been determined as x = 0.03, after the exigency of luminance quenching directed by the dipole-dipole kind interactions among the nearest Er3+ ions. The nanocrystals report an intense peak at 549 nm as per 4S3/24I15/2 characteristics transition, excited by 379 nm wavelength, hence proclaims glowing green luminescence. Decay lifetimes of target samples have been found to decline from 3.4556±0.0552 to 1.3063±0.0187 ms, with escalating Er3+ content. Excellent luminescent profile is reflected in terms of colour parameters like green colour coordinates (0.2630, 0.6205) and 90.79% colour purity, which have been contiguous to standard TV, SD colour green coordinates (0.300, 0.600), European Broadcasting Union (EBU, 0.290, 0.600) and NICHIA LED ( NCSGE17A) green coordinates (0.252, 0. 651). Hence, the overview of present research results insinuate their optimistic candidacy for advanced illuminating appliances like white light-emitting diodes (WLEDs) and other lighting applications.



中文翻译:

用于照明应用的新型 Ba2YAlO5:Er3+ 纳米材料的低成本燃烧合成、光谱和光电分析

在当前的前瞻性研究中,通过理想、经济和生态的推进剂燃烧方法制造了新型单斜对称型 Ba 2 YAlO 5 :Er 3+纳米晶体,发出鲜绿色的光。形貌研究揭示了纳米导电(40-65 nm)的大致球形团聚颗粒。在最近的 Er 3+离子之间的偶极-偶极类相互作用导致亮度猝灭的紧急情况之后,活化剂 (Er 3+ ) 的优化含量已确定为x = 0.03 。根据4 S 3/24 I 15/2,纳米晶体在 549 nm 处报告了一个强峰特性转变,由 379 nm 波长激发,因此发出绿色发光。已发现目标样品的衰变寿命从 3.4556±0.0552 下降到 1.3063±0.0187 ms,随着 Er 3+含量的增加。出色的发光特性体现在颜色参数方面,如绿色坐标 (0.2630, 0.6205) 和 90.79% 色纯度,与标准电视、标清颜色绿色坐标 (0.300, 0.600)、欧洲广播联盟 (EBU, 0.290) 相近, 0.600) 和 NICHIA LED (NCSGE17A) 绿色坐标 (0.252, 0. 651)。因此,目前研究结果的概述暗示了他们对高级照明设备如白光发光二极管 (WLED) 和其他照明应用的乐观候选资格。

更新日期:2021-12-27
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