multidentate structure of calix[n]arene derivatives 2 and 3 introduces a control element in the preparation of the goldnanoparticles that allows, in the particular experimental conditions here reported, to obtain very small (≈1 nm) AuNPs. These are the first experimental findings that identify a role of ligand “denticity” in the determination of the nuclearity of nanoparticles.
由单齿,二齿稳定一系列金粒子(AuNPs)的,和三齿硫醇杯[ Ñ ]芳烃配体1 - 3通过使用布鲁斯特-扶邻两相直接合成制备和表征用NMR光谱法,元素分析,透射电子显微镜(TEM)和X射线光电子能谱(XPS)。实验数据表明,杯[ n ]芳烃衍生物2和3的特定多齿结构在金纳米颗粒的制备过程中引入了一种控制元素,该元素可在此处报道的特定实验条件下获得非常小的(≈1nm)AuNPs。这些是第一个鉴定配体“同一性”在确定纳米颗粒核性中的作用的实验发现。
Molecular Recognition by Calix[4]arene-Modified Gold Nanoparticles in Aqueous Solution
作者:T. Robert Tshikhudo、Domenico Demuru、Zhenxin Wang、Mathias Brust、Andrea Secchi、Arturo Arduini、Andrea Pochini
DOI:10.1002/anie.200462909
日期:2005.5.6
Preparation, reactivity and controlled release of SAMs of calix[4,6]arenes and calix[6]arene-based rotaxanes and pseudorotaxanes formed on polycrystalline Cu
作者:Alice Boccia、Valeria Lanzilotto、Valeria Di Castro、Robertino Zanoni、Luca Pescatori、Arturo Arduini、Andrea Secchi
DOI:10.1039/c0cp01921f
日期:——
demonstrated by the presence and relative quantitation of XPS signals from specific elements in the molecules. We have successfully tested the combination of different functionalities by producing a mixed film, prepared by ligand exchange of calix[4]arene with undecanethiol. The availability of the calix[4]arene cavity to reversibly host further species after anchoring on Cu has been demonstrated by a sequence