催化作用
铜
化学
星团(航天器)
氧化还原
轨道能级差
联氨(抗抑郁剂)
分子轨道
亚甲蓝
电子转移
光化学
无机化学
组合化学
分子
有机化学
光催化
色谱法
程序设计语言
计算机科学
作者
Noelia Vilar‐Vidal,J. Rivas,M. Arturo López‐Quintela
摘要
The catalytic reduction of methylene blue (MB) to leucomethylene blue (LMB) by hydrazine in the presence of size-selected copper clusters (CuCLs, CuN, N = number of atoms, 2 ≤ N ≤ 20) is demonstrated here. Only copper clusters smaller than ≈10–13 atoms enhance the rate of the reduction of MB. Cluster-mediated electron transfer through the cluster's lowest unoccupied molecular orbital (LUMO) frontier orbital is proposed as the main step for the catalysis. Catalyst recycling and stability were also studied demonstrating that they can be used as effective, stable, and reusable catalysts, which could be also employed in different types of redox reactions with important technological applications.
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