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Issue 7, 2013
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A two-step approach to the synthesis of N@C60 fullerene dimers for molecular qubits

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Abstract

We report the two-step synthesis of a highly soluble fullerene dimer, both for short reaction times and at the microscale. We apply this reaction scheme to starting materials that contain 15N@C60 and 14N@C60, and we demonstrate how, if applied to highly pure N@C60 in the future, this scheme may be used to produce (14N@C60)2 or (15N@C60)2 dimers in one step, and crucially 14N@C6015N@C60 dimers in a second step. Such dimers represent isolated electron spin pairs that may be used to demonstrate entanglement between the spins. Additionally, CW EPR spectroscopy of the 15N@C60–C60 dimer in the solid state reveals permanent zero-field splitting (D = 14.6 MHz and E = 0.56 MHz).

Graphical abstract: A two-step approach to the synthesis of N@C60 fullerene dimers for molecular qubits

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Publication details

The article was received on 09 Feb 2013, accepted on 07 May 2013 and first published on 08 May 2013


Article type: Edge Article
DOI: 10.1039/C3SC50395J
Citation: Chem. Sci., 2013,4, 2971-2975
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    A two-step approach to the synthesis of N@C60 fullerene dimers for molecular qubits

    S. R. Plant, M. Jevric, J. J. L. Morton, A. Ardavan, A. N. Khlobystov, G. A. D. Briggs and K. Porfyrakis, Chem. Sci., 2013, 4, 2971
    DOI: 10.1039/C3SC50395J

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