Retracted-Enhanced X-Ray Absorption Property of Gold-Doped Single Wall Carbon Nanotube

https://doi.org/10.22146/ijc.21187

Alimin Alimin(1*), Narsito Narsito(2), Indriana Kartini(3), Sri Juari Santosa(4)

(1) Department of Chemistry, Universitas Halu Oleo, Kampus Hijau Bumi Tridharma Anduonohu-Kendari 93232
(2) Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada, Sekip Utara PO BOX BLS 21 Yogyakarta 55281
(3) Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada, Sekip Utara PO BOX BLS 21 Yogyakarta 55281
(4) Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada, Sekip Utara PO BOX BLS 21 Yogyakarta 55281
(*) Corresponding Author

Abstract


Enhanced X-ray absorption property of single wall carbon nanotube (SWCNT) through gold (Au) doping (Au@SWCNT) has been studied. Mass attenuation coefficient of SWCNT increased 5.2-fold after Au doping treatment. The use of ethanol in the liquid phase adsorption could produce Au nanoparticles as confirmed by the X-ray Diffraction (XRD) patterns. The possibility of gold nanoparticles encapsulated in the internal tube space of SWCNT was observed by transmission electron microscope technique. A significant decrease of nitrogen uptakes and upshifts of Radial Breathing Mode (RBM) of Au@SWCNT specimen suggest that the nanoparticles might be encapsulated in the internal tube spaces of the nanotube. In addition, a decrease intensity of XRD pattern of Au@SWCNT at around 2θ ≈ 2.6° supports the suggestion that Au nanoparticles are really encapsulated into SWCNT.

Keywords


X-ray absorption; mass attenuation coefficient; gold nanoparticles; SWCNT

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DOI: https://doi.org/10.22146/ijc.21187

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