Charge ordering and carrier generation by air oxidation of a nickel complex with selenium-containing extended-tetrathiafulvalenedithiolate ligands |
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| Authors: | Yajima Hiroyuki Zhou Biao Fujiwara Emiko Kobayashi Akiko Kobayashi Hayao |
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| Institution: | Department of Chemistry, College of Humanities and Sciences, Nihon University, Sakurajosui 3-25-40, Tokyo 156-8550, Japan. |
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| Abstract: | The structures and electrical properties of ((n)Bu(4)N)Ni(dmstfdt)(2)] (1), ((n)Bu(4)N)(2)Ni(dmstfdt)(2)] (2), and ((n)Bu(4)N)(3)Ni(dmstfdt)(2)](2) (3), where dmstfdt = extended-tetrathiafulvalenedithiolate ligand, were examined. The fresh crystal of 1 was found to be a Mott insulator, but the crystal gradually became highly conducting because of air oxidation. Compound 3 exhibited a semiconducting charge-ordering state. |
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