zhpsЖурнал прикладной спектроскопииZhurnal Prikladnoii Spektroskopii0514-7506B. I. Stepanov Institute of Physics of the National Academy of Scienceszhps-1870Research ArticleАННОТАЦИИ АНГЛОЯЗЫЧНЫХ СТАТЕЙABSTRACTS ENGLISH-LANGUAGE ARTICLESЭкологичный синтез наночастиц Cu-ZnO с помощью экстрактов Asystasia Gangetica: новая стратегия деградации красителей на основе методологии поверхностного откликаEco-Friendly Synthesis of Cu-ZnO Nanoparticles via Asystasia Gangetica Extracts: a Novel Response Surface Methodology-Based Strategy for Dye DegradationCynthiaP.CynthiaP.

Тирунелвели, Тамилнаду

Tirunelveli, Tamilnadu

ChelliahD.A.ChelliahD. A.

Тирунелвели, Тамилнаду

D. Abiya Chelliah

Tirunelveli, Tamilnadu

abiyachelliah@gmail.comУниверситет Манонманиам Сундаранар, Абишекапатти, колледж Св. ИоаннаManonmaniam Sundaranar University, Abishekapatti, Department of Botany, St. John’s College202520052025923410410Copyright © Cynthia P., Chelliah D.A., 20252025Cynthia P., Chelliah D.Cynthia P., Chelliah D.A.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/1870

Наночастицы (НЧ) оксида цинка, легированные медью (Cu-ZnO), синтезированы с использованием экстрактов листьев Asystasia gangetica в качестве восстанавливающего и стабилизирующего агента и охарактеризованы с помощью рентгеновской дифракции, ИК-Фурье-спектроскопии, сканирующей электронной микроскопии, ультрафиолетовой и видимой спектроскопии и энергодисперсионной рентгеновской спектроскопии. Оценивалась эффективность деградации красителя родамина B наночастицами Cu-ZnO при различных pH, концентрации НЧ, концентрации красителя и времени реакции с использованием методологии поверхностного отклика. Статистический анализ с использованием CCD показал, что более низкие концентрации НЧ (50 ppm), более высокие концентрации красителя (30 ppt), щелочной pH 9 и увеличенное время реакции (120 мин) приводят к оптимальной деградации красителя. Результаты ANOVA с соответствующими значениями F и R2 подтверждают адекватность модели.

This study presents the eco-friendly synthesis of copper-doped zinc oxide nanoparticles (Cu-ZnO NPs) using Asystasia gangetica leaf extracts as a reducing and stabilizing agent. To reveal their structural, morphological, and optical properties, the synthesized nanoparticles were characterized by X-ray diffraction, Fourier-transform infrared spectroscopy, scanning electron microscopy, ultraviolet-visible spectroscopy, and energy-dispersive X-ray spectroscopy. The dye degradation efficiency of Cu-ZnO NPs was evaluated for Rhodamine B dye under varying pH, nanoparticle concentration, dye concentration, and reaction time using response surface methodology. Statistical analysis using a central composite design showed that lower nanoparticle concentrations (50 ppm), higher dye concentrations (30 ppt), alkaline pH 9, and extended reaction times (120 min) resulted in optimal dye degradation. The ANOVA results, with a significant F-value and R2 values indicating a good fit, confirmed the model’s adequacy. This green synthesis approach offers a sustainable method for nanoparticle production and its practical application in environmental remediation, particularly in the degradation of synthetic dyes. These findings contribute to the advancement of nanotechnology for eco-friendly applications, with potential implications for wastewater treatment and environmental sustainability.

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