研究目的
Developing a novel strategy for synthesizing high-nuclearity Cu clusters and applying them in optoelectronic devices.
研究成果
The synthesis of the largest superatomic 2-electron alkynyl-protected Cu nanocluster, Cu53, and its application in forming high-quality CuI films for perovskite solar cells with high efficiency and stability.
研究不足
The air-sensitivity of Cu(I)/Cu(0) clusters and the challenge in synthesizing high-nuclearity Cu clusters.
1：Experimental Design and Method Selection:
The synthesis of Cu53 clusters using Cu powder and Ph2SiH2 as reducing agents.
2：Sample Selection and Data Sources:
Single-crystal X-ray diffraction and ESI-MS for structural characterization.
3：List of Experimental Equipment and Materials:
Cu(CF3COO)2·H2O, Cu powder, tert-butylacetylene, Ph2SiH2, dichloromethane, methanol.
4：Experimental Procedures and Operational Workflow:
Dissolution of Cu(CF3COO)2·H2O in dichloromethane and methanol, addition of Cu powder and tert-butylacetylene, followed by Ph2SiH2, aging, centrifugation, and crystallization.
5：Data Analysis Methods:
UV-vis absorption spectroscopy, TEM, AFM, and SEM for film characterization.
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Cu powder
Reducing agent in the synthesis of Cu53 clusters.
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Ph2SiH2
Reducing agent in the synthesis of Cu53 clusters.
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Cu(CF3COO)2·H2O
Precursor in the synthesis of Cu53 clusters.
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tert-butylacetylene
Ligand in the synthesis of Cu53 clusters.
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dichloromethane
Solvent in the synthesis of Cu53 clusters.
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methanol
Solvent in the synthesis of Cu53 clusters.
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