Synthesis of gold nanoparticles on dextran for catalytic reduction of 4-nitrophenol
Vol. 128 No. 1C (2019), Original Article
Vol. 128 No. 1C (2019)

Synthesis of gold nanoparticles on dextran for catalytic reduction of 4-nitrophenol

Original Article
https://doi.org/10.26459/hueuni-jns.v128i1C.5329
Published 2019-07-24
Tran Van Quang
Universiy of Science, Hue University, 77 Nguyen Hue St., Hue, Vietnam
Phan Ha Nu Diem
University of Sciences, Hue University, 77 Nguyen Hue St., Hue, Vietnam
Ton Nu My Phuong
University of Sciences, Hue University, 77 Nguyen Hue St., Hue, Vietnam
Tran Thai Hoa
University of Sciences, Hue University, 77 Nguyen Hue St., Hue, Vietnam
PDF (Vietnamese)

How to Cite

1.
Quang TV, Diem PHN, Phuong TNM, Hoa TT. Synthesis of gold nanoparticles on dextran for catalytic reduction of 4-nitrophenol. hueuni-jns [Internet]. 2019Jul.24 [cited 2024Nov.24];128(1C):13-2. Available from: https://jos.hueuni.edu.vn/index.php/hujos-ns/article/view/5329
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Abstract

In this paper, gold nanoparticles (AuNps) were synthesized using the chemical reduction method with dextran as a reducing agent and protecting agent to form the AuNps/dextran material. The parameters affecting the synthesis of gold nanoparticles, such as chloroauric acid concentration, dextran concentration, temperature, time, and pH of the reaction system, were studied. The formation of Au nanoparticles and their morphology and structure were analyzed using UV-Vis spectroscopy, scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), transmission electron microscopy (TEM), X-ray diffraction (XRD), and Fourier-transform infrared spectroscopy (FT-IR). The catalytic activity of AuNPs for 4-nitrophenol reduction to 4-aminophenol with sodium borohydride as a reducing agent was also investigated.

https://doi.org/10.26459/hueuni-jns.v128i1C.5329
PDF (Vietnamese)

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