SINTESIS DAN KARAKTERISASI GOLD NANOBIPYRAMIDS

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dc.contributor.authorCitra, Yulia
dc.contributor.supervisorIwantono, Iwantono
dc.date.accessioned2021-08-26T03:18:25Z
dc.date.available2021-08-26T03:18:25Z
dc.date.issued2020-10
dc.description.abstractThis study aims to synthesize and characterize gold nanobipyramids (GNBPs). Synthesis of GNBPs uses the Seed Mediated Growth Method (SMGM) or better known as the seed mediated growth method. GNBPs were characterized using UVVis, XRD and FESEM spectroscopy to determine their optical properties, structure and morphology. The UV-Vis absorption spectrum of GNBPs shows that the t-SPR peak is at a wavelength of 573 nm and the l-SPR peak is at a wavelength of 755 nm. The results of XRD characterization at a diffraction angle of 30 ° - 70 ° showed 3 diffraction peaks at an angle of 2θ: 38.0557 °, 44.3365 ° and 64.44438 °. Based on standard data references in the Inorganic Crystal Structure Database (ICSD) No. 98- 005-2249, it is known that GNBPs have a Face Centered Cubic (FCC) structure and it is confirmed that the nanoparticles formed are gold nanoparticles with crystal plane orientation (111), (200), and (220). From the FESEM photo, the percentage density of the sample surface was 78.86% and the average values for length, width, and aspect ratio were 104.85 nm, 43.39 nm, and 2.46, respectivelyen_US
dc.description.sponsorshipFakultas Matematika dan Ilmu pengetahuan Alam Universitas Riauen_US
dc.identifier.otherwahyu sari yeni
dc.identifier.urihttps://repository.unri.ac.id/handle/123456789/10157
dc.language.isoenen_US
dc.subjectGold nanobipyramidsen_US
dc.subjectSMGMen_US
dc.subjectUv-Vis Spectroscopyen_US
dc.subjectXRDen_US
dc.subjectFESEMen_US
dc.titleSINTESIS DAN KARAKTERISASI GOLD NANOBIPYRAMIDSen_US
dc.typeArticleen_US

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