pH-Guided Self-Assembly of Copper Nanoclusters with AggregationInduced Emission

pH-Guided Self-Assembly of Copper Nanoclusters with AggregationInduced Emission

摘要：

The molecular metal nanoparticles including few-atom metalnanoclusters (NCs) and few-nanometer nanoparticles (NPs)with molecule-like properties are promising luminescent probesfor recognition of chemical species and bioimaging because oftheir unique optical properties and good biocompatibility.1−10Among all of the luminescent metals, the copper-basednanomaterials are of immense interest because of the earthabundant and relatively low cost of copper.11−13 Recently,various synthetic strategies of CuNCs have been reported usingdifferent molecular templates such as protein,14,15 DNA,16,17and small thiolated ligands.18−21 However, it is still difficult todirectly achieve stable and bright emissive CuNCs, and most ofthe methods were inclined to form unstable or large particlesbecause of the easy surface oxidation of copper upon exposureto air.22 Therefore, the development of green and facilesynthesis of chemically stable luminescent CuNCs in aqueoussolution remains a challenge.

作者：

Xuxian Su and Jinbin Liu

期刊：