Methane as a Selectivity Booster in the Arc-Discharge Synthesis of Endohedral Fullerenes: Selective Synthesis of the Single-Molecule Magnet Dy2TiC@C80 and Its Congener Dy2TiC2@C80

Angewandte Chemie
Katrin JunghansAlexey A Popov

Abstract

The use of methane as a reactive gas dramatically increases the selectivity of the arc-discharge synthesis of M-Ti-carbide clusterfullerenes (M=Y, Nd, Gd, Dy, Er, Lu). Optimization of the process parameters allows the synthesis of Dy2TiC@C80-I and its facile isolation in a single chromatographic step. A new type of cluster with an endohedral acetylide unit, M2TiC2@C80, is discovered along with the second isomer of M2TiC@C80. Dy2TiC@C80-(I,II) and Dy2TiC2@C80-I are shown to be single-molecule magnets (SMM), but the presence of the second carbon atom in the cluster Dy2TiC2@C80 leads to substantially poorer SMM properties.

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Citations

Nov 1, 2016·Journal of the American Chemical Society·Fupin LiuShangfeng Yang
Jan 31, 2017·Inorganic Chemistry·Yaofeng WangNing Chen
Jul 7, 2017·Chemical Society Reviews·Shangfeng YangFei Jin
Mar 2, 2018·Chemical Society Reviews·Jun-Liang LiuMing-Liang Tong
Apr 15, 2016·Chemical Communications : Chem Comm·Zhong-Xia JiangMing-Liang Tong
Sep 9, 2017·Nanotechnology·Fabian FritzCarola Meyer
Aug 23, 2018·Nanoscale·Stanislav M AvdoshenkoRasmus Westerström
Aug 7, 2018·Chemical Communications : Chem Comm·Christin SchlesierAlexey A Popov
Feb 14, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Lukas Spree, Alexey A Popov
Sep 12, 2019·Chemistry : a European Journal·Mukesh Kumar SinghGopalan Rajaraman
Apr 26, 2016·Chemical Communications : Chem Comm·Katrin JunghansAlexey A Popov
Jun 8, 2021·Chemical Science·Wenting CaiLuis Echegoyen
Sep 26, 2017·Inorganic Chemistry·Anders Reinholdt, Jesper Bendix
Aug 21, 2018·Journal of the American Chemical Society·Ryo NakanishiMasahiro Yamashita
Jan 30, 2018·Journal of the American Chemical Society·Xingxing ZhangNing Chen
Jun 27, 2019·Accounts of Chemical Research·Lai FengZdenek Slanina
Nov 20, 2021·Chemical Reviews·Anders Reinholdt, Jesper Bendix

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