The present invention relates to a nanoparticle comprising a metal-based core, a first coating layer substantially covering the metal-based core to generate a coated metal-based core, and a second coating layer at least partially covering the coated metal-based core, wherein the metal-based core comprises at least one transition metal, and wherein the metal-based core comprises the at least one transition metal substantially in a state of zero oxidation. The present invention also relates to a method for synthesizing such nanoparticle, the method comprising the steps of: (i) preparing a metal oxide nanoparticle comprising a metal oxide with a chemical structure represented as MnOmbH2O (ii) coating the metal oxide nanoparticle with a first coating layer substantially covering the metal oxide nanoparticle with a layer comprising a first compound to generate a coated metal oxide nanoparticle, (iii) reducing the coated metal oxide nanoparticle with a suitable reducing agent, and (iv) coating the coated metal-based core nanoparticle with a second coating layer partially covering the coated metal-based core nanoparticle with a compound comprising at least one moiety to obtain a double-coated metal-based core nanoparticle.
本发明涉及一种纳米粒子,包括基于
金属的核心,第一涂层层覆盖基于
金属的核心以生成涂层
金属基核心,以及第二涂层层至少部分覆盖涂层
金属基核心,其中基于
金属的核心包括至少一种过渡
金属,并且基于
金属的核心在零氧化态下含有至少一种过渡
金属。本发明还涉及一种合成这种纳米粒子的方法,该方法包括以下步骤:(i)准备一种金属氧化物纳米粒子,其
化学结构表示为MnOmbH2O;(ii)用第一化合物涂层层覆盖金属氧化物纳米粒子,以生成涂层金属氧化物纳米粒子;(iii)用适当的还原剂还原涂层金属氧化物纳米粒子;(iv)用至少一种基团的化合物部分覆盖涂层
金属基核心纳米粒子,以获得双层涂层
金属基核心纳米粒子。