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Syntheses and crystal structures of the molecular conductors Z[Pd(dmit)(2)](2) {Z = (Me3NEt)(+), (MeNEt3)(+), (NEt4)+} and their precursors Z(2)[Pd(dmit)(2)]
Fang, Q; Mak, TCW; Zhou, ZY; Yang, QC; Liu, Z; Yu, WT; Zhu, DB; Jiang, MH
2002-04-07
Source PublicationJOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS
ISSN1472-7773
Issue7Pages:1377-1385
AbstractElectrically conductive platelet crystals of Z[Pd(dmit)(2)](2) [Z = (Me3NEt)(+), (MeNEt3)(-), (NEt4)(+)], as well as their precursors Z(2)[Pd(dmit)(2)], have been synthesized by a non-electrochemical method and their structures have been determined. The single-crystal conductivities at a direction on the cleavage surface at room temperature were measured to be 58 Omega(-1) cm(-1) for (Me3NEt)[Pd(dmit)(2)](2), 5.0 Omega(-1) cm(-1) for (MeNEt3)[Pd(dmit)(2)](2) and 2.2 Omega(-1) cm(-1) for (NEt4)[Pd(dmit)(2)](2), respectively. This sequence of conductivity is agreement with the sequence of structural two-dimensionality of these three complexes. The resistivity-temperature curves reveal the semiconducting behavior of the above complexes, which show very narrow band gaps. The structure analysis results reveals that when the size of cation Z in Z[Pd(dmit)(2)](2) is finely tuned [(Me4N)(+) --> (Me3NEt)(+) --> (Me2NEt2)(+) --> (MeNEt3)(+) --> (NEt4)(+), the corresponding complexes belong to the same structural motif and each individual possesses some special structural characteristics. Subtle structural difference in this group of complexes can severely influence their measured conductivities and significantly influence their calculated band structures.
DOI10.1039/b105854c
Indexed BySCI
Language英语
WOS IDWOS:000175112500025
PublisherROYAL SOC CHEMISTRY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/78768
Collection中国科学院化学研究所
Corresponding AuthorFang, Q
Affiliation1.Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Shandong, Peoples R China
2.Chinese Univ Hong Kong, Dept Chem, Hong Kong, Hong Kong, Peoples R China
3.Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Fang, Q,Mak, TCW,Zhou, ZY,et al. Syntheses and crystal structures of the molecular conductors Z[Pd(dmit)(2)](2) {Z = (Me3NEt)(+), (MeNEt3)(+), (NEt4)+} and their precursors Z(2)[Pd(dmit)(2)][J]. JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS,2002(7):1377-1385.
APA Fang, Q.,Mak, TCW.,Zhou, ZY.,Yang, QC.,Liu, Z.,...&Jiang, MH.(2002).Syntheses and crystal structures of the molecular conductors Z[Pd(dmit)(2)](2) {Z = (Me3NEt)(+), (MeNEt3)(+), (NEt4)+} and their precursors Z(2)[Pd(dmit)(2)].JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS(7),1377-1385.
MLA Fang, Q,et al."Syntheses and crystal structures of the molecular conductors Z[Pd(dmit)(2)](2) {Z = (Me3NEt)(+), (MeNEt3)(+), (NEt4)+} and their precursors Z(2)[Pd(dmit)(2)]".JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS .7(2002):1377-1385.
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