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首页> 外文期刊>New Journal of Chemistry >A rapid, facile and green synthesis of Ag@AgCl nanoparticles for the effective reduction of 2,4-dinitrophenyl hydrazine
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A rapid, facile and green synthesis of Ag@AgCl nanoparticles for the effective reduction of 2,4-dinitrophenyl hydrazine

机译：Ag @ AgCl纳米粒子的快速，便捷和绿色合成，可有效还原2,4-二硝基苯基肼

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In this study, we have developed a green and single-step process for the fabrication of Ag@AgCl nanoparticles (NPs) using the leaf extract of Momordica charantia. This method does not require the utilization of any surfactant/halide source or external energy. The uniqueness of the developed method lies in its fast synthesis rates (1 min for Ag@AgCl NPs). The phytochemicals present in the leaf extract act as a reducing as well as stabilizing agent and are responsible for the formation of Ag@AgCl NPs. The synthesized Ag@AgCl NPs exhibited a catalytic activity for the reduction of 2,4-dinitrophenyl hydrazine (DNPH). It followed the pseudo-first order reaction and the rate constant (k) for the reduction of 2,4-DNPH was found to be 5.2 x 10(-2) min(-1). For the first time, the reduction of 2,4-dinitrophenyl hydrazine was reported using Ag@AgCl nanoparticles as a catalyst.
机译：在这项研究中，我们开发了一种绿色的单步工艺，利用苦瓜叶提取物制造Ag @ AgCl纳米颗粒（NP）。该方法不需要利用任何表面活性剂/卤化物源或外部能量。所开发方法的独特之处在于其快速的合成速率（对于Ag @ AgCl NP，其合成时间为1分钟）。叶提取物中存在的植物化学物质可作为还原剂和稳定剂，并负责形成Ag @ AgCl NP。合成的Ag @ AgCl NPs具有还原2,4-二硝基苯基肼（DNPH）的催化活性。随后进行拟一级反应，发现还原2,4-DNPH的速率常数（k）为5.2 x 10（-2）min（-1）。首次报道了使用Ag @ AgCl纳米颗粒作为催化剂还原2,4-二硝基苯基肼。

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