Environmental Energy Production and Wastewater Treatment Using Synthesized Pd Nanoparticles with Biological and Photocatalytic Activity

IF 2.8 3区化学 Q2 CHEMISTRY, APPLIED Topics in Catalysis Pub Date : 2024-02-18 DOI:10.1007/s11244-024-01912-0

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Abstract

Metallic nanoparticles have attracted great attention in catalytic, medical diagnosis, and treatment research in recent years. The formation of palladium nanoparticles using rosemary (Rosmarinus officinalis L.) extract was carried out using the green synthesis method. The plant was extracted using 70% ethanol by microwave techniques. The novelty of this study is the investigation of the biological activities of green synthesis of Pd nanoparticles, such as DNA cleavage activity, antimicrobial activity, DPPH scavenging activity, and its electro-catalytic performance in alcohol oxidation. Additionally, photocatalytic activities were also evaluated. The characterization of synthesized palladium nanoparticles (Pd NPs) was performed by UV-spectrometry, XRD, FTIR, and TEM. According to TEM results, Pd nanoparticles were observed to have a spherical shape and an average particle size of 4.91 nm. The Pd NPs showed the photodegradation of MB solution by up to 79.9% at 120 min. The newly synthesized plant-mediated green synthesized Pd NPs showed the max and the min antimicrobial activity at 16 µg/mL and 256 µg/mL against L. pneumophila and C. albicans, respectively. The current density ratio of 48.22 mA/cm² obtained in the study indicates that the obtained materials may be of interest in different applications. According to the results obtained, a direct relationship of extract use is observed in the synthesis of Pd nanoparticles and is a good way to reduce and stabilize metal salts. It has been determined that green Pd NPs have potential for use in energy production from alcohol oxidation and in medical applications.

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利用具有生物和光催化活性的合成钯纳米粒子进行环境能源生产和废水处理

摘要近年来，金属纳米粒子在催化、医疗诊断和治疗研究中备受关注。本研究采用绿色合成法，利用迷迭香（Rosmarinus officinalis L.）提取物制备了钯纳米粒子。采用微波技术用 70% 的乙醇提取迷迭香。本研究的新颖之处在于研究了绿色合成钯纳米粒子的生物活性，如 DNA 裂解活性、抗菌活性、DPPH 清除活性及其在酒精氧化中的电催化性能。此外，还对光催化活性进行了评估。合成的钯纳米粒子（Pd NPs）通过紫外光谱、XRD、傅里叶变换红外光谱和 TEM 进行了表征。根据 TEM 结果，钯纳米粒子呈球形，平均粒径为 4.91 nm。Pd NPs 在 120 分钟内对甲基溴溶液的光降解率高达 79.9%。新合成的植物介导绿色合成 Pd NPs 对嗜肺菌和白僵菌的最大和最小抗菌活性分别为 16 µg/mL 和 256 µg/mL。研究中获得的电流密度比为 48.22 mA/cm2，这表明所获得的材料在不同的应用中可能会产生兴趣。根据所得结果，萃取物的使用与钯纳米粒子的合成有直接关系，是减少和稳定金属盐的好方法。经确定，绿色钯纳米粒子在利用酒精氧化生产能源和医疗应用方面具有潜力。

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来源期刊

Topics in Catalysis 化学-物理化学

CiteScore

5.70

自引率

5.60%

发文量

197

审稿时长

2 months

期刊介绍： Topics in Catalysis publishes topical collections in all fields of catalysis which are composed only of invited articles from leading authors. The journal documents today’s emerging and critical trends in all branches of catalysis. Each themed issue is organized by renowned Guest Editors in collaboration with the Editors-in-Chief. Proposals for new topics are welcome and should be submitted directly to the Editors-in-Chief. The publication of individual uninvited original research articles can be sent to our sister journal Catalysis Letters. This journal aims for rapid publication of high-impact original research articles in all fields of both applied and theoretical catalysis, including heterogeneous, homogeneous and biocatalysis.