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Facile Controlled Preparation of Phosphonic Acid-functionalized Gold Nanoparticles by Fan Zhang; Yue Zhou; Yu Chen; Zhongwen Shi; Yawen Tang; Tianhong Lu is a Chemistry article available to read on EtoBox.

What is Facile Controlled Preparation of Phosphonic Acid-functionalized Gold Nanoparticles about?

In the preparation and storage of gold nanoparticles (Au-NPs) in colloidal form, the stability of the colloid is of utmost importance. We report a novel strategy for the synthesis of the phosphonic acid-functionalized gold nanoparticles (Au-NPs) with the high colloid stability by using ethylenediamine-tetramethylene phosphonic acid (EDTMP) as the reducing agent and its oxidation product as the stabilizing agent. The resultant phosphonic acid-functionalized Au-NPs show a remarkable colloidal stability, which likely arises from strong electrostatic effect of negatively charged phosphonate groups and the extremely hydrophilic property of phosphonate groups. Through the present method, the scope of reducing and stabilizing agents for preparation of phosphonic acid-functionalized Au-NPs extend from the -PO(3)H(2)-terminated thiols to the aminopolyphosphonates.

Who reads Facile Controlled Preparation of Phosphonic Acid-functionalized Gold Nanoparticles?

Author

Fan Zhang; Yue Zhou; Yu Chen; Zhongwen Shi; Yawen Tang; Tianhong Lu

Publisher

Elsevier Science; Elsevier ; Elsevier Inc.; Elsevier BV (ISSN 0021-9797)

Published

2010

Language

EN

Field

Chemistry (Physical Sciences)