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Jia Guan, Wei Chen, Yafei Li, Guangtao Yu, Zhiming Shi, Xuri Huang, Chiachung Sun and Zhongfang Chen An Effective Approach to Achieve a Spin Gapless Semiconductor–Half-Metal–Metal Transition in Zigzag Graphene Nanoribbons: Attaching A Floating Induced Dipole Field via π–π Interactions Advanced Functional Materials 23

Version of Record online: 26 OCT 2012 | DOI: 10.1002/adfm.201201677

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By depositing ladder-structure acceptor/donor-decorating polydiacetylene (PDA) derivatives on zigzag GNRs (zGNRs) via strong ππ interactions, abundant electronic and magnetic transformations can be achieved in zGNRs with perfect, 57-reconstructed, and partially hydrogenated edge patterns. This effective approach takes advantage of the versatile floating dipole field induced from the donor to the acceptor groups through the excellent delocalized π-conjugated backbone.

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