用Ananas果皮提取物生物合成ZnO微纳米花

M. Sari, Y. Rati, T. Linda, Y. Hamzah, A. S. Rini
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引用次数: 5

摘要

摘要为了减少危险化学品的使用,现在已经开始在纳米颗粒的形成过程中发展自然使用。在本研究中,使用Ananas comosus皮肤提取物作为封端剂和诱导剂进行ZnO纳米颗粒的生物合成。硝酸Seng被用作Seng离子的前体,而纳米皮肤被提取以利用其抗氧化剂含量。ZnO样品通过X射线衍射(XRD)、扫描电子显微镜(SEM)和UV-Vis光谱的结果了解其物理性质。基于XRD图谱,ZnO纳米颗粒提供了晶粒尺寸为14nm的纤锌矿六方晶相。每个样品的SEM形态以花或微纳米花的形式获得,对于样品0,01M和0025M,平均直径分别为510nm和560nm。UV-Vis吸收光谱的结果显示,通过增加单一硝酸盐的浓度,峰值光吸收增加。基于这些物理信息,潜在的ZnO样品被用作光催化材料。摘要为了减少危险化学品的使用,现在已经开发了在形成纳米颗粒的过程中使用天然成分。在本研究中,以Ananas comosus果皮提取物为封端剂和还原剂,进行了ZnO纳米颗粒的生物合成。硝酸锌被用作锌离子的前体。通过扫描电子显微镜(SEM)、紫外-可见光谱和X射线衍射(XRD)对ZnO样品的物理性能进行了表征。对于0.01M和0.025M的样品,每个不同样品的SEM形态分别以平均直径分别为510nm和560nm的微纳米花的形式获得。UV-Vis吸收光谱结果显示,随着[UNK]硝酸锌浓度的增加,光吸收峰增加。根据XRD图谱,ZnO纳米颗粒具有晶粒尺寸为14nm的六方纤锌矿晶相。基于这些关于物理性质的信息,ZnO样品具有用作光催化剂材料的潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Biosynthesis of ZnO Micro-Nanoflower with Ananas comosus Peel Extract
 Abstrak. Dalam rangka mengurangi pemakaian bahan kimia berbahaya, kini telah mulai dikembangkan penggunaan bahan alami pada proses pembentukan nanopartikel. Pada penelitian ini, biosintesis nanopartikel ZnO dilakukan menggunakan ekstrak kulit Ananas comosus sebagai agen capping sekaligus agen pereduksi. Seng nitrat digunakan sebagai prekursor dari ion seng, sedangkan kulit nanas dibuat menjadi ekstrak untuk dimanfaatkan kandungan antioksidannya. Sampel ZnO dipelajari sifat fisisnya dari hasil karakterisasi X-ray diffraction (XRD), scanning electron microscopy (SEM) dan spektroskopi UV-Vis. Berdasarkan pola XRD, nanopartikel ZnO memberikan fasa kristal heksagonal wurtzite dengan ukuran kristal 14 nm. Morfologi SEM masing-masing sampel didapatkan berbentuk bunga atau micro-nanoflower dengan ukuran diameter rata-rata 510 nm dan 560 nm untuk sampel 0,01 M dan 0,025 M. Hasil spektrum absorbansi UV-Vis menunjukkan peningkatan puncak penyerapan cahaya dengan penambahan konsentrasi seng nitrat. Berdasarkan informasi sifat fisis ini, sampel ZnO berpotensi diaplikasikan sebagai material fotokatalis.Abstract. In order to reduce the use of hazardous chemicals, the use of natural ingredients has now been developed in the process of forming nanoparticles. In this study, biosynthesis of ZnO nanoparticles was carried out using Ananas comosus peel extract as capping agent and reducing agent. Zinc nitrate was used as a precursor to zinc ion. The physical properties of ZnO samples were studied from the characterization result of scanning electron microscopy (SEM), UV-Vis spectroscopy, and X-ray diffraction (XRD). The SEM morphology of each different sample was obtained in the form of micro-nanoflower with an average diameter  of 510 nm and 560 nm for 0.01 M and 0.025 M samples, respectively. The UV-Vis absorbance spectrum results showed an increase in the light absorption peak as  zinc nitrate concentration increased. According to the XRD pattern, the ZnO nanoparticles possessed an hexagonal wurtzite crystal phase with a crystal size of 14 nm. Based on this information on physical properties, the ZnO sample has the potential to be applied as a photocatalyst material.
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