Citation: Ting-Ting Zou, Yi-Chun Zhang, Yu-Li Liu, Ju-Rong Yang, Shun-Ze Zhan, Hong Cai, Dan Li. Supramolecularly controlled assembly of equatorial regioisomeric C₆₀@(Cu₂)₆ cuprofullerenes^✩[J]. Chinese Chemical Letters, ;2026, 37(12): 112121. doi: 10.1016/j.cclet.2025.112121 shu

Supramolecularly controlled assembly of equatorial regioisomeric C₆₀@(Cu₂)₆ cuprofullerenes^✩

Ting-Ting Zou ^a ,
Yi-Chun Zhang ^a ,
Yu-Li Liu ^a ,
Ju-Rong Yang ^a ,
Shun-Ze Zhan ^{a, *,} ,
Hong Cai ^{c, *,} ,
Dan Li ^{b, *,}

a.
College of Chemistry and Chemical Engineering, and Key (Guangdong-Hong Kong Joint) Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou 515063, China
b.
College of Chemistry and Materials Science and Guangdong Provincial Key Laboratory of Supramolecular Coordination Chemistry, Jinan University, Guangzhou 510632, China
c.
School of Chemistry and Environmental Engineering, Hanshan Normal University, Chaozhou 521041, China

^✩

^th

szzhan@stu.edu.cn

tiddychen@163.com

danli@jnu.edu.cn

Received Date: 7 October 2025
Revised Date: 12 November 2025
Accepted Date: 13 November 2025
Available Online: 14 November 2025

Figures(6)

Three regioisomeric dodecanuclear cuprofullerenes with six Cu₂L_F2 (HL_F= trifluoracetic acid) units arranged on the six hexagons around the equatorial belt of C₆₀ molecules were achieved. Supramolecular interactions arising from pyridine and pyrazole auxiliary ligands result in distinct 6α and 6β regioisomeric C₆₀@(Cu₂)₆ architectures with well-defined coordination environments and supramolecular packing motifs. Photophysical studies combined with density functional theory calculations demonstrate that the optical absorptions are dominated by charge transfer from Cu(Ⅰ) and O from L_F to the fullerene π* orbitals. This work highlights the critical role of weak interactions in modulating the regioselectivity of high-nuclearity metallofullerenes, providing new insights for the design of functional fullerene-based materials.
- Regioisomer,
- Regioselectivity,
- Fullerene,
- Metallofullerene,
- Cuprofullerene
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沈阳化工大学材料科学与工程学院沈阳 110142

Supramolecularly controlled assembly of equatorial regioisomeric C60@(Cu2)6 cuprofullerenes✩

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通讯作者: 陈斌, bchen63@163.com

Supramolecularly controlled assembly of equatorial regioisomeric C₆₀@(Cu₂)₆ cuprofullerenes^✩