zhpsЖурнал прикладной спектроскопииZhurnal Prikladnoii Spektroskopii0514-7506B. I. Stepanov Institute of Physics of the National Academy of Scienceszhps-1364Research ArticleАННОТАЦИИ АНГЛОЯЗЫЧНЫХ СТАТЕЙABSTRACTS ENGLISH-LANGUAGE ARTICLESСтруктурные и оптические свойства нанокомпозитов ZnCdO, легированных Ti, для применения в оптоэлектронных устройствахStructural and Optical Studies on Ti-Doped ZnCdO Nanocomposites for Optoelectronic Device ApplicationSeshu KumarM.Seshu KumarM.

Виджаявада

Vijayawada

JayapradaP.JayapradaP.

Виджаявада

Vijayawada

RavikumarR.V.S.S.N.RavikumarR.V.S.S.N.

Гунтур

Nagarjuna Nagar, Guntur

RaoM. C.RaoM. C.

Виджаявада

Vijayawada

raomc72@gmail.comКолледж Андхра ЛойолаDepartment of Physics, Andhra Loyola CollegeОтделение физики Университета Ачарьи Нагарджуны, Нагарджуна НагарDepartment of Physics, Acharya Nagarjuna University202325082023904653653Copyright © Seshu Kumar M., Jayaprada P., Ravikumar R., Rao M.C., 20232023Seshu Kumar M., Jayaprada P., Ravikumar R., Rao M.C.Seshu Kumar M., Jayaprada P., Ravikumar R., Rao M.C.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://zhps.ejournal.by/jour/article/view/1364

Для синтеза чистого ZnCdO и нанокомпозитов ZnCdO, легированных титаном с различными соотношениями (0.1, 0.3 и 0.5 мас.%), использован простой метод растворения. Структурный, морфологический и элементный анализ образцов проведен с помощью рентгеновской дифракции, сканирующей электронной микроскопии (СЭМ), энергодисперсионного рентгеновского анализа и фотолюминесценции (ФЛ). Дифрактограммы образцов выявляют кубическую фазовую структуру. С помощью СЭМ обнаружено наличие сферических образований с неправильными зернами из-за агломерации. Для образца чистого ZnCdO размер частиц 62.08 нм, для Ti (0.1, 0.3 и 0.5%)-легированных нанокомпозитов ZnCdO — 55.08, 50.03 и 45.08 нм. Максимум в спектрах ФЛ при 520 нм можно отнести к излучению вблизи края полосы. Фотогенерированные электроны захватываются на уровни Ti4+ в запрещенной зоне, что усиливает излучение глубоких уровней.

ZnCdO is a perfect material for ZnO-based gadgets. ZnCdO nanocomposites are mainly used in most optoelectronic and display device applications. In the present investigation, a simple solution method was used to synthesize pure ZnCdO and Ti-doped ZnCdO nanocomposites with different wt% ratios (0.1, 0.3, and 0.5%). Characterization techniques such as the structural, morphological, and elemental composition of the prepared samples were undertaken by X-ray diffraction, scanning electron microscopy (SEM), energydispersive X-ray analysis, and photoluminescence (PL). The diffraction peaks of the prepared samples revealed the cubic phase structure. SEM showed the presence of spherical chunks with irregular grains due to agglomeration. For the prepared sample of pure ZnCdO, the particle size was found to be 62.08 nm, whereas Ti-doped ZnCdO nanocomposites (0.1, 0.3, and 0.5%) were at 55.08, 50.03, and 45.08 nm. The peak observed in PL spectra at 520 nm could be ascribed to the near-band-edge emission. The photo-generated electrons have been trapped in to Ti4+ levels in the forbidden gap, which enhanced the deep-level emission.

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The authors declare that there are no conflicts of interest present.