当前位置: X-MOL 学术J. Solid State Chem. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Effect of Li+ coodoping on the photoluminescence of novel green emitting BiOCl: Tb3+ nanophosphors for display, visualization of latent fingerprints and anticounterfeiting applications
Journal of Solid State Chemistry ( IF 3.2 ) Pub Date : 2020-06-27 , DOI: 10.1016/j.jssc.2020.121418
N. Latha , Y.S. Vidya , S.C. Sharma , G.P. Darshan , K.S. Anantharaju , P. Hema Prabha , H. Nagabhushana

For the first time, Mimosa pudica (M pudica) plant extract was used as a mediator to synthesize Li+ (0.1–0.5 mol %) codoped tetragonal BiOCl:Tb3+0.5 mol % nanophosphors by the conventional phytosynthesis route. Surface morphological studies confirmed the micro flower like morphology with different petals arrangement. The conduction band and valence band edges were used to realize the effect of codopant on the electronic structure of BiOCl:Tb3+0.5 host. The value of valence band increases from 3.60 to 3.69 eV. Photoluminescence (PL) spectra exhibit characteristic luminescence 5D4 7FJ (J = 0–6) of Tb3+ ions. BiOCl:Tb3+0.5:Li+ (0.1–0.5 mol %) was good luminescent media for the fabrication of artificial green light in white LEDs and solid state display. Judd-Ofelt theory was used to analyze various radiative properties. Finger Prints dusted by BiOCl:Tb3+0.5:Li+ (0.3 mol %) NPs exhibit clear and bright images under UV 254 nm light helpful for identification for individuals.



中文翻译:

Li +掺杂对新型绿色BiOCl:Tb 3+纳米磷光体的发光,显示,潜在指纹可视化和防伪应用的影响

首次将含羞草(Mimosa pudica)植物提取物用作介体,通过常规植物合成途径合成了Li +(0.1–0.5 mol%)共掺杂的四方BiOCl:Tb 3+ 0.5 mol%纳米磷光体。表面形态学研究证实不同花瓣排列的微花状形态。使用导带和价带边缘来实现共掺杂对BiOCl:Tb 3+ 0.5主体电子结构的影响。价带的值从3.60 eV增加到3.69 eV。光致发光(PL)光谱表现出Tb的特征性发光5 D 4 7 F J(J = 0-6)3+离子。BiOCl:Tb 3+ 0.5:Li +(0.1–0.5 mol%)是用于在白色LED和固态显示器中制造人造绿光的良好发光介质。Judd-Ofelt理论用于分析各种辐射特性。由BiOCl:Tb 3+ 0.5:Li +(0.3 mol%)撒粉的指纹在254 nm紫外线下显示出清晰明亮的图像,有助于个人识别。

更新日期:2020-07-06
down
wechat
bug