Experimental investigations on the optical properties of solid-state synthesized SnO2 nanostructures for orange-emission LED applications

IF 3.2 4区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Journal of the Indian Chemical Society Pub Date : 2025-04-23 DOI:10.1016/j.jics.2025.101731

J. Gajendiran , P. Balraju , S. Gnanam , J. Ramana Ramya , G. Thennarasu , R. Suresh , C. Esther Jeyanthi , M. Karthikeyan

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Abstract

Various tin precursors (SnCl₂.2H₂O, Sn powder, and Sn powder/SnCl₂.2H₂O) assisted synthesis of SnO₂ nanostructures were demonstrated. The structure, and optical properties of SnO₂ nanostructures were compared. XRD analysis reveals that all SnO₂ samples exhibit a tetragonal structure. SEM analysis revealed particle sizes of 50–75, 55–80, and 62–85 nm for SnCl₂.2H₂O, Sn powder, and Sn powder/SnCl₂.2H₂O-assisted SnO_2. The presence of Sn and O in the EDX spectra further support the formation of SnO₂. A shift in band-gap and photoemission features were observed for all synthesized SnO₂ nanostructures. Chromaticity results reveal the orange emission of SnO₂ nanostructures which might be suitable for LED application.

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用于橙色发光二极管应用的固态合成 SnO2 纳米结构光学特性的实验研究

研究了多种锡前驱体（SnCl2.2H2O、锡粉和锡粉/SnCl2.2H2O）辅助合成SnO2纳米结构的方法。比较了SnO2纳米结构的结构和光学性能。XRD分析表明，所有SnO2样品均呈四方结构。SEM分析表明，SnCl2.2H2O、Sn粉和Sn粉/SnCl2.2H2O辅助SnO2的粒径分别为50 ~ 75 nm、55 ~ 80 nm和62 ~ 85 nm。EDX光谱中Sn和O的存在进一步支持了SnO2的形成。所有合成的SnO2纳米结构的带隙和光发射特性都发生了变化。色度分析结果显示，SnO2纳米结构的橙色发光可能适合LED应用。

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来源期刊

Journal of the Indian Chemical Society 化学-化学综合

CiteScore

3.50

自引率

7.70%

发文量

492

审稿时长

3-8 weeks

期刊介绍： The Journal of the Indian Chemical Society publishes original, fundamental, theorical, experimental research work of highest quality in all areas of chemistry, biochemistry, medicinal chemistry, electrochemistry, agrochemistry, chemical engineering and technology, food chemistry, environmental chemistry, etc.