Londoño-Larrea Pablo, Vanegas Julie P, Cuaran-Acosta Daniel, Zaballos-García Elena, Pérez-Prieto Julia
Instituto de Ciencia Molecular (ICMol), University of Valencia, Catedrático José Beltrán 2, 46980, Paterna, Valencia, Spain.
Department of Organic Chemistry, University of Valencia, Av. Vicent Andres Estelles s/n, 46100, Burjassot, Spain.
Chemistry. 2017 Jun 16;23(34):8137-8141. doi: 10.1002/chem.201700913. Epub 2017 May 15.
Here, the synthesis of water-dispersible naked gold nanoclusters (AuNC ) is reported by a simple reduction of HAuCl with NaOH at room temperature, and it is shown that they are non-luminescent. They are then easily passivated with different thiols and adenosine monophosphate, leading to luminescent NCs. This is an important finding because the photoluminescence of the passivated NCs can now be clearly attributed to the ligand-AuNC surface interaction. These results are also highly relevant from the point of view of the preparation of luminescent NCs from the same NC batch. This strategy can be valuable for the preparation of a broad range of nano(bio)composites.
在此，报道了通过在室温下用NaOH简单还原HAuCl合成水分散性裸金纳米团簇（AuNC），结果表明它们无发光性。然后，它们很容易用不同的硫醇和单磷酸腺苷进行钝化，从而得到发光的纳米团簇。这是一项重要发现，因为钝化后的纳米团簇的光致发光现在可以明确归因于配体与AuNC表面的相互作用。从同一批纳米团簇制备发光纳米团簇的角度来看，这些结果也具有高度相关性。该策略对于制备广泛的纳米（生物）复合材料可能具有重要价值。
