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Synthesis, structure, and conductivity of molecular conductor (PyEt)[Ni(dmit)(2)](2)
Fang, Q; Xu, W; Lei, H; Xue, G; Chen, HY; Xu, CY; Jia, CY; Zhang, DQ
2003-12-01
Source PublicationSCIENCE IN CHINA SERIES B-CHEMISTRY
ISSN1006-9291
Volume46Issue:6Pages:595-604
AbstractA new electrical conductive crystal PyEt[Ni(dmit)2]2 (dmit = 4,5-dimercapto-1,3-dithiole-2-thione) has been synthesized and its X-ray structure has been determined to be in monoclinic system, C2/c space group. In PyEt[Ni(dmit)(2)](2) crystal, the conducting component [Ni(dmit)(2)](0.5-) is face-to-face packed forming molecular column along the c-direction, and these molecular columns are then side-by-side extended along the a-direction forming a kind of two-dimensional conducting sheet on (010). The measured conductivity at room temperature along a certain direction on,(010) plane is 10 S (.) cm(-1). From 282 to 269 K, the crystal shows metallic behavior but changes to semi-conductor below 269 K Based on the measured crystal structure, and calculated band structure, this conductor-semiconductor phase transformation can be primarily interpreted: The metallic conductivity is corresponding to the uniform molecular column and the atomic-lattice-chain structure of Ni chain, while the semi-conductive behavior to staggered molecular column and the atomic-zigzag-chain structure of Ni chain.
KeywordMolecular Conductor Synthesis Crystal Structure Energy Band Conductivity
DOI10.1360/03yb0079
Indexed BySCI
Language英语
WOS IDWOS:000186828700010
PublisherSCIENCE CHINA PRESS
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Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/81174
Collection中国科学院化学研究所
Corresponding AuthorFang, Q
Affiliation1.Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
2.Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
3.Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Peoples R China
Recommended Citation
GB/T 7714
Fang, Q,Xu, W,Lei, H,et al. Synthesis, structure, and conductivity of molecular conductor (PyEt)[Ni(dmit)(2)](2)[J]. SCIENCE IN CHINA SERIES B-CHEMISTRY,2003,46(6):595-604.
APA Fang, Q.,Xu, W.,Lei, H.,Xue, G.,Chen, HY.,...&Zhang, DQ.(2003).Synthesis, structure, and conductivity of molecular conductor (PyEt)[Ni(dmit)(2)](2).SCIENCE IN CHINA SERIES B-CHEMISTRY,46(6),595-604.
MLA Fang, Q,et al."Synthesis, structure, and conductivity of molecular conductor (PyEt)[Ni(dmit)(2)](2)".SCIENCE IN CHINA SERIES B-CHEMISTRY 46.6(2003):595-604.
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