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Vol. 32, No. 8(2), S&M2292

ISSN (print) 0914-4935
ISSN (online) 2435-0869
Sensors and Materials
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Sensors and Materials, Volume 31, Number 4(1) (2019)
Copyright(C) MYU K.K.
pp. 1147-1156
S&M1841 Research Paper of Special Issue
https://doi.org/10.18494/SAM.2019.2142
Published in advance: March 11, 2019
Published: April 11, 2019

Optical Studies of Graphene Oxide/poly(amidoamine) Dendrimer Composite Thin Film and Its Potential for Sensing Hg2+ Using Surface Plasmon Resonance Spectroscopy [PDF]

Mohammad Danial Aizad Roshidi, Yap Wing Fen, Nur Alia Sheh Omar, Silvan Saleviter, and Wan Mohd Ebtisyam Mustaqim Mohd Daniyal

(Received September 28, 2018; Accepted October 31, 2018)

Keywords: surface plasmon resonance, optical properties, graphene oxide, poly(amidoamine) dendrimer

In this study, a graphene oxide/poly(amidoamine) (GO/PAMAM) dendrimer composite thin film was developed for the potential detection of Hg2+ using surface plasmon resonance (SPR) spectroscopy. Fourier transform infrared spectroscopy (FTIR) analysis proved the presence of amino, carboxylic acid, carboxyl, and hydroxyl groups in the GO/PAMAM thin film. The optical properties of the thin film were characterized using UV-Vis absorption spectroscopy. The UV-Vis analysis showed that the absorption of the GO/PAMAM thin film was high with an optical band gap of 4.01 eV. The incorporation of the GO/PAMAM thin film with SPR spectroscopy produced positive responses towards various Hg2+ concentrations. Atomic force microscopy results indicated that the thin film has an irregular edge and hence proved the interaction of mercury ions with the thin film.

Corresponding author: Yap Wing Fen


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Cite this article
Mohammad Danial Aizad Roshidi, Yap Wing Fen, Nur Alia Sheh Omar, Silvan Saleviter, and Wan Mohd Ebtisyam Mustaqim Mohd Daniyal, Optical Studies of Graphene Oxide/poly(amidoamine) Dendrimer Composite Thin Film and Its Potential for Sensing Hg2+ Using Surface Plasmon Resonance Spectroscopy, Sens. Mater., Vol. 31, No. 4, 2019, p. 1147-1156.



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