Development of Multifunctional Organic Materials (Superconductors, Spin Liquids, Novel Phase Transition Systems, etc)

多功能有机材料（超导体、自旋液体、新型相变系统等）的开发

基本信息

批准号：
15205019
负责人：
SAITO Gunzi
金额：
$ 32.78万
依托单位：
Kyoto University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (A)
财政年份：
2003
资助国家：
日本
起止时间：
2003 至 2006
项目状态：
已结题

项目摘要

Systematic uniaxial strain study of κ-(BEDT-TTF)_2X revealed the relationship between the anisotropy of the triangular spin lattice and superconducting transition temperature. We discovered the spin liquid behavior in the Mott insulator κ-(BEDT-TTF)_2Cu_2(CN)_3 which has the nearly regular triangular spin lattice.We demonstrated the ultra-fast and highly efficient photo-induced metal-insulator transition system in (EDO-TTF)_2PF_6, where one photon converts ca. 500 molecules to highly conducting state within 1.5 ps. TP-EDOT, a new donor having thiopyrane and dithiol rings, gave a Mott insulator exhibiting a unique magnetic structure.A (C_<60>^-)_2 dimer bound by two C-C bonds was prepared for the first time in an ionic {(MDABCO^+)・Co^<II>TMPP}_<2・ (C_<60>^-)_2・(C_6H_4Cl_2)_<2.5>・(C_6H_5CN)_<1.5>, the magnetic behavior of which was interpreted by the singlet-triplet model. A reversible formation of a coordination Co-C(C_<60>^-) bond was found in {(MDABCO^+)・Co^<II>OEP・(C_<60>^-)}・ (C_6H_ … More 5CN)_χ・(C_6H_4Cl_2)_<1-χ>, The bond formation was accompanied by a paramagnetic-diamagnetic transition.1-Alkyl(C_nH_<2n+1>)-3-methylimidazolium (C_nMI) cations afforded 8 and 4 paramagnetic ionic liquids based on Fe^<III>X_4 (X : Cl, Br) anions and organic anions with TEMPO radical moiety, respectively. Au^I(CN)_2 salts composed of C_nMI cations having elongated alkyl chains (n 【greater than or equal】 4) emitted blue lights in liquid form at room temperature. Also, we obtained a new C_4MI salt formed with pyrene-based anion, which melts at 43 ℃ and exhibits a blue-green emission in the liquid state.We prepared indoline-TCNQ intramolecular charge transfer compounds having various substituents to establish the methodologies to control and estimate their charge transfer degree. Chemical modification on pyrimido-fused TTF derivatives yielded conductive single-component organic compounds. Complex formation between cytosine and TCNQ derivatives afforded charge transfer salts exhibiting self-assembled structures and high conductivity. Less

对κ-（BEDT-TTF）_2X的系统单轴菌株研究揭示了三角形旋转晶格的各向异性与超导过渡温度之间的关系。我们在Mott绝缘子κ-（BEDT-TTF）_2CU_2（CN）_3中发现了自旋液体行为，该_3几乎具有定期的三角形自旋晶格。在1.5 ps以内的500个分子至高度传导状态。 TP-EDOT, a new donor having thiopyrane and dithio rings, gave a Mott insulator exhibiting a unique magnetic structure.A (C_<60>^-)_2 dimer bound by two C-C bonds was prepared for the first time in an ionic {(MDABCO^+)・Co^<II>TMPP}_<2・（c_ <60>^ - ）_ 2 ・（C_6H_4CL_2）_ <2.5> ・（C_6H_5CN）_ <1.5>，其磁性行为是由单三个模型解释的。在{（mdabco^+）・ co^co^co^co^<ii> oep ・（c_ <60>^ - ）} ・（C_6H_…更多5cn）_（c_6H_4cl_4cl_2）_ <1cl_2）_ <1cl_2）_ <1- <1cl_2） Transition.1-烷基（C_NH_ <2n+1>） - 基于Fe^<iii> X_4（X：CL，BR）阴离子和有机阴离子的3-甲基咪唑唑（C_NMI）阳离子提供8和4 4和4个顺磁离子液体。 Au^i（CN）_2由含有拉长酒精链的C_NMI阳离子组成的盐（N [大于或相等] 4）在室温下以液态形式排放蓝光。此外，我们获得了一种新的C_4MI盐，该盐由基于Pyrene的阴离子形成，该盐在43℃下融化并在液态状态下表现出蓝绿色的发射。我们准备了具有各种亚电位的indoline-TCNQ内分子电荷转移化合物，以建立和估计其电荷传递程度。嘧啶融合的TTF衍生物上的化学修饰产生了导电单组分有机化合物。胞嘧啶和TCNQ衍生物之间的复杂形成提供了表现出自组装结构和高电导率的电荷转移盐。较少的

项目成果

期刊论文数量（726）

专著数量（0）

科研奖励数量（0）

会议论文数量（0）

专利数量（0）

Mixed valency in organic charge transfer complexes

DOI：
10.1098/rsta.2007.2146
发表时间：
2008-01-13
期刊：
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES
影响因子：
5
作者：
Saito, Gunz;Murata, Tsuyoshi
通讯作者：
Murata, Tsuyoshi

超高速・高効率光誘起相転移系(EDO-TTF)_2PF_6の発現-思わぬ展開の研究成果-

超快高效光致相变体系（EDO-TTF）_2PF_6的表达 - 意想不到的研究成果 -

DOI：
发表时间：
2006
期刊：
固体物理 41・3
影响因子：
0
作者：
Seiichi Hata;Junpei Sakurai;Akira Shimokohbe;矢持秀起
通讯作者：
矢持秀起

Properties of reaction products between cytosine and F_4TCNQ in MeOH : Two hemiprotonated cytosine salts with F_4TCNQ radical anion and methoxy adduct anion.

胞嘧啶和 F_4TCNQ 在 MeOH 中反应产物的性质：带有 F_4TCNQ 自由基阴离子和甲氧基加合物阴离子的两种半质子化胞嘧啶盐。

DOI：
发表时间：
2006
期刊：
Chemistry Letters 35(12)
影响因子：
0
作者：
石原一彰;T.Sasaki;T.Murata
通讯作者：
T.Murata

Dicyanoaurate(I) salts with 1-alkyl-3-methylimidazolium : Luminescent properties and room-temperature liquid forming.

二氰基金酸盐 (I) 与 1-烷基-3-甲基咪唑鎓盐：发光特性和室温液体形成。

DOI：
发表时间：
2006
期刊：
Journal of Materials Chemistry 16(8)
影响因子：
0
作者：
J.J.Kim;H.Makino;T.Yano;Y.Takata;K.Kobayashi;T.Yamamoto;T.Hanada;et al.;M.Oogane;Y.Yoshida
通讯作者：
Y.Yoshida

Phase transition from Mott insulating phase into charge ordering phase with molecular deformation in the charge transfer salts κ-(BEDT-TTF)_4[M(CN)_6][N(C_2H_5)_4]・2H_2O(M=Co^<III> and Fe^<III>).

电荷转移盐中分子变形，从莫特绝缘相到电荷有序相的相变 κ-(BEDT-TTF)_4[M(CN)_6][N(C_2H_5)_4]·2H_2O(M=Co^<III>和 Fe^<III>)。