Sol–gel synthesis of zinc oxide nanoparticles using Citrus aurantifolia extracts

Samat, Nurul Ain; Nor, Roslan Md

doi:10.1016/j.ceramint.2012.10.132

Cited by 167 publications

(62 citation statements)

References 23 publications

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“…ZnO nanoparticles of size less than 50 nm were synthesized using dried sap of roots and shoots of Astragalus gummifer (Darrudi et al 2013). Biosynthesis of ZnO nanoparticle of size ranging from 50 to 200 nm was done using Citrus aurantifolia with zinc acetate salt (Samat and Nor 2013).…”

Section: Introductionmentioning

confidence: 99%

Biosynthesis of zinc oxide nanoparticles using leaf extract of Calotropis gigantea: characterization and its evaluation on tree seedling growth in nursery stage

2017

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Green synthesis of zinc oxide nanoparticles was carried out using Calotropis leaf extract with zinc acetate salt in the presence of 2 M NaOH. The combination of 200 mM zinc acetate salt and 15 ml of leaf extract was ideal for the synthesis of less than 20 nm size of highly monodisperse crystalline nanoparticles. Synthesized nanoparticles were characterized through UV-Vis spectroscopy, dynamic light scattering (DLS), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), EDX (energy dispersive X-ray), and AFM (atomic force microscopy). Effects of biogenic zinc oxide (ZnO) nanoparticles on growth and development of tree seedlings in nursery stage were studied in open-air trenches. The UV-Vis absorption maxima showed peak near 350 nm, which is characteristic of ZnO nanoparticles. DLS data showed that single peak is at 11 nm (100%) and Polydispersity Index is 0.245. XRD analysis showed that these are highly crystalline ZnO nanoparticles having an average size of 10 nm. FTIR spectra were recorded to identify the biomolecules involved in the synthesis process, which showed absorption bands at 4307, 3390, 2825, 871, 439, and 420 cm -1 . SEM images showed that the particles were spherical in nature. The presence of zinc and oxygen was confirmed by EDX and the atomic % of zinc and oxygen were 33.31 and 68.69, respectively. 2D and 3D images of ZnO nanoparticles were obtained by AFM studies, which indicated that these are monodisperse having size ranges between 1.5 and 8.5 nm. Significant enhancement of growth was observed in Neem (Azadirachta indica), Karanj (Pongamia pinnata), and Milkwood-pine (Alstonia scholaris) seedlings in foliar spraying ZnO nanoparticles to nursery stage of tree seedlings. Out of the three treated saplings, Alstonia scholaris showed maximum height development.

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Section: Introductionmentioning

confidence: 99%

Biosynthesis of zinc oxide nanoparticles using leaf extract of Calotropis gigantea: characterization and its evaluation on tree seedling growth in nursery stage

2017

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“…However, their stability during harsh condition decreases its toxicity, increases the application as photocatalyst and food industries [15][16][17][18] . Citrus aurantifolia extract 19 , Aloe vera leaf extract 20 and milky latex of Calotropis procera 21 are used as biomaterials for ZnO NPs synthesis. The secondary metabolites present in the plant extract promote and stabilize the NP formation 22 by acting as capping agent to prevent agglomeration 23 .…”

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confidence: 99%

<i>Catharanthus roseus</i>-Mediated Zinc Oxide Nanoparticles against Photocatalytic Application of Phenol Red under UV@365 nm

Kalaiselvi¹,

Roopan²,

Madhumitha³

et al. 2016

Current Science

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“…Nanopartikel yang umum digunakan dalam nanofluida terbuat dari logam yang secara kimia stabil, oksida logam, dan/atau karbon dalam berbagai bentuk (Ramadhan, 2012). Berikut beberapa contoh nanopartikel yang digunakan dalam nanofluida yaitu ZnO (Samat and Nor, 2013); ZrO 2 (Syarif and Prajitno, 2013) (Syarif and Prajitno, 2015). Pada penelitian ini nanopartikel yang akan digunakan adalah Fe 2 O 3 mengingat mineral oksida besi banyak tersebar secara luas di Indonesia dan sangat menarik untuk dimanfaatkan lebih lanjut sebagai material maju.…”

Section: Pendahuluanunclassified

SYNTHESIS AND CHARACTERIZATION OF Fe2O3 NANOPARTICLES USING Averrhoa bilimbi AS BIOMATERIAL CHELATING AGENT FOR NANOFLUIDS APPLICATION

et al. 2017

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ABSTRAKPenelitian ini bertujuan untuk mengetahui pengaruh suhu kalsinasi terhadap karakteristik nanopartikel α-Fe 2 O 3 hasil proses sol-gel yang selanjutnya dijadikan sebagai bahan dasar pembuatan nanofluida air-Fe 2 O 3 . Nanofluida merupakan campuran dari fluida dasar seperti air dengan partikel padat yang berukuran 1 -100 nm. Nanopartikel α-Fe 2 O 3 telah berhasil disintesis dari mineral lokal Yarosit menggunakan metode sol gel dengan memanfaatkan ekstrak belimbing wuluh (Averrhoa bilimbi) sebagai agen pengkelat pada suhu kalsinasi 500 ºC, 600 ºC dan 700 ºC selama 5 jam. Berdasarkan hasil analisis X-Ray Diffraction (XRD) pola difraksi yang terbentuk sesuai dengan data JCPDS No. 33-0664 untuk α-Fe 2 O 3 dengan sistem kristal heksagonal dan menghasilkan ukuran kristalit nanopartikel α-Fe 2 O 3 pada suhu kalsinasi 500 ºC, 600 ºC dan 700 ºC sebesar 50 nm, 48 nm dan 40 nm secara berturut-turut. Hasil analisis Surface Area Meter memperlihatkan bahwa luas permukaan jenis nanopartikel α-Fe 2 O 3 pada suhu kalsinasi 500 ºC, 600 ºC dan 700 ºC sebesar 45,45 m 2 /g; 26,91 m 2 /g dan 17,51 m 2 /g, secara berturut-turut. Nanofluida air-Fe 2 O 3 yang dibuat relatif stabil dengan nilai zeta potensial -39,60 mV; -46,37 mV dan -41,57 mV berturut-turut untuk suhu kalsinasi 500 ºC, 600 ºC dan 700 ºC. Viskositas nanofluida airFe 2 O 3 lebih besar dari viskositas air. Critical Heat Flux (CHF) nanofluida air-Fe 2 O 3 lebih besar dari CHF air. Nilai CHF tertinggi diperoleh pada nanofluida dengan nanopartikel α-Fe 2 O 3 yang dikalsinasi pada suhu 600 ºC yakni dengan kenaikan CHF sebesar 34,99 % dibandingkan dengan fluida dasar (air).Kata kunci : agen pengkelat, belimbing wuluh, nanofluida, nanopartikel α-Fe 2 O 3 , sol-gel

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Sol–gel synthesis of zinc oxide nanoparticles using Citrus aurantifolia extracts

Cited by 167 publications

References 23 publications

Biosynthesis of zinc oxide nanoparticles using leaf extract of Calotropis gigantea: characterization and its evaluation on tree seedling growth in nursery stage

Biosynthesis of zinc oxide nanoparticles using leaf extract of Calotropis gigantea: characterization and its evaluation on tree seedling growth in nursery stage

<i>Catharanthus roseus</i>-Mediated Zinc Oxide Nanoparticles against Photocatalytic Application of Phenol Red under UV@365 nm

SYNTHESIS AND CHARACTERIZATION OF Fe2O3 NANOPARTICLES USING Averrhoa bilimbi AS BIOMATERIAL CHELATING AGENT FOR NANOFLUIDS APPLICATION

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