Low-Cost Combustion Synthesis, Spectroscopic and Optoelectronic Analysis of Novel Ba2YAlO5:Er3+ Nanomaterials for Competent Illumination Applications

IF 1.5 4区材料科学 Q3 MATERIALS SCIENCE, CERAMICS

Transactions of the Indian Ceramic Society Pub Date : 2021-10-02 DOI:10.1080/0371750X.2021.2004238

P. Sehrawat, R. Malik, R. Punia, M. Sheoran, Manisha Bedi, Hina Dalal

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引用次数: 1

Abstract

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 4S3/2→4I15/2 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. GRAPHICAL ABSTRACT

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新型Ba2YAlO5:Er3+纳米材料的低成本燃烧合成、光谱和光电分析

在目前的前瞻性研究中，通过理想、经济和生态的推进剂燃烧方法，制备了具有明亮绿光发射的新型单斜对称型Ba2YAlO5:Er3+纳米晶体。地形调查揭示了纳米导电（40-65nm）的大致球形聚集颗粒。在最近的Er3+离子之间的偶极-偶极类相互作用导致亮度猝灭的迫切性之后，活化剂（Er3+）的最佳含量被确定为x=0.03。根据4S3/2，纳米晶体在549nm处报告了强烈的峰→4I15/2特性跃迁，由379nm波长激发，因此宣布发出绿光。随着Er3+含量的增加，目标样品的衰变寿命从3.4556±0.0552下降到1.3063±0.0187ms。出色的发光特性在颜色参数方面得到了反映，如绿色坐标（0.2630，0.6205）和90.79%的色纯度，这些参数与标准电视、SD色绿色坐标（0.300，0.600）、欧洲广播联盟（EBU，0.290，0.600。651）。因此，目前研究结果的概述暗示了它们对白色发光二极管（WLED）等先进照明设备和其他照明应用的乐观候选资格。图形摘要

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来源期刊

Transactions of the Indian Ceramic Society 工程技术-材料科学：硅酸盐

CiteScore

2.40

自引率

8.30%

发文量

审稿时长

2.3 months

期刊介绍： Transactions of the Indian Ceramic Society is a quarterly Journal devoted to current scientific research, technology and industry-related news on glass and ceramics. The Journal covers subjects such as the chemical, mechanical, optical, electronic and spectroscopic properties of glass and ceramics, and characterization of materials belonging to this family. The Editor invites original research papers, topical reviews, opinions and achievements, as well as industry profiles for publication. The contributions should be accompanied by abstracts, keywords and other details, as outlined in the Instructions for Authors section. News, views and other comments on activities of specific industries and organizations, and also analyses of industrial scenarios are also welcome.