Shear stress effect on molecular crystals and development of their new synthetic methods

剪切应力对分子晶体的影响及其新合成方法的开发

• 批准号: 15550134
• 负责人: INOKUCHI Makoto
• 金额: $ 1.92万
• 依托单位: Tokyo University of Science, Yamaguchi
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2003
• 资助国家: 日本
• 起止时间: 2003 至 2005
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-15550134/
• 关键词: shear stress; high pressure; molecular crystal; Raman spectroscopy; chromism; charge transfer salt; bis(glyoximato) platinum complex; spiropyran; shear stress; DAC; 金属グリオキシマート錯体; 白金グリオキシマート錯体; TMPD-TCNQ

The shear stress effect has been studied in order to introduce it to materials science for organic materials and molecular crystals. We have used the sapphire anvil cell to generate shear stress by the rotation of the lower anvil under pressure and performed the in situ observations under a microscope with spectroscopic measurements.1.Preparation of TMPD-TCNQ charge-transfer saltWe have attempted the syntheses by shear deformation. On applying the shear stress on TMPD N,N,N',N'-tetramethyl-p-phenylenediamine, colorless) and TCNQ (orange) films, the color at the outer part on the culet changed to blue-black. From the Raman spectra, the formation of TMPD-TCNQ CT salt at the blue-black part was confirmed.2.Shear stress effect on Pt(dpg)_2, bis(diphenylglyoximato) platinum(II)Pt(dpg)_2 is sensitive to the stress ; its color changes from red to green to yellow. We have studied the shear stress effect by Raman spectroscopy. The C=N bands at 1431 and 1452 cm^<-1> were shifted significantly by the shear deformation. The estimation of the effect was performed by their shifts in wavenumber. On applying the shear stress by the rotation of 10゜, the stress was increased from 0.14 GPa to 0.18 GPa at the center part and from 1.77 GPa to 2.41 GPa at the outer part. It was noted that the shear stress was applied more strongly at the outer part.3.Shear stress effect on Spiropyran 6-nitro-BIPSThe color of 6-nitro-BIPS at the outer part was changed from orange to green under shear deformation. As being released from the stress, it changed from green to purple. Because of strong fluorescence, the rotation-vibration Raman spectrum could not be obtained at the green part, while the spectra were measured at the orange and purple parts. This result suggests that 6-nitro-BIPS molecule under shear stress is different from one at ambient pressure.

研究了剪切应力效应，以便将其引入有机材料和分子晶体的材料科学中。我们使用蓝宝石砧座通过下砧在压力下旋转来产生剪切应力，并在一定条件下进行了原位观察。显微镜与光谱测量。1.TMPD-TCNQ电荷转移盐的制备我们尝试了通过在TMPD上施加剪切应力来合成。 N,N,N',N'-四甲基对苯二胺（无色）和TCNQ（橙色）薄膜，底尖外部颜色变为蓝黑色，从拉曼光谱来看，形成了TMPD-。确认了蓝黑色部分的TCNQ CT盐。2.剪切应力对Pt(dpg)_2、双(二苯基乙肟)的影响铂(II)Pt(dpg)_2对应力敏感；其颜色从红色变为绿色到黄色。我们通过拉曼光谱研究了1431和1452 cm^<-1处的剪切应力效应。 > 因剪切变形而显着偏移。通过旋转 10° 施加剪切应力来评估效果。中心部分为 0.14 GPa 至 0.18 GPa，外部为 1.77 GPa 至 2.41 GPa。值得注意的是，外部部分施加的剪切应力较多。3.剪切应力对螺吡喃 6-硝基-BIPS 颜色的影响。外部的6-硝基-BIPS在剪切变形下由橙色变为绿色，当应力释放时，由绿色变为绿色。由于荧光较强，在绿色部分无法获得旋转振动拉曼光谱，而在橙色和紫色部分测量了光谱。这一结果表明6-硝基-BIPS分子在剪切应力下与其他分子不同。一个在环境压力下。

项目成果

I.Shirotani, H.Hayashi, K.Hirano, H.Kawamura, M.Inokuchi, K.Yakushi.H.Inokuchi: "Shear stress effects on electronic spectra on the one-dimensional bis(diphenyl glyoximato)metal(II) complexes, M(dpg)_2 [M= Ni and Pt] under high pressure"Proceedings of the

I.Shirotani、H.Hayashi、K.Hirano、H.Kawamura、M.Inokuchi、K.Yakushi.H.Inokuchi：“剪切应力对一维双（二苯基乙肟）金属（II）配合物电子光谱的影响

Shear stress effect on thin films of platinum complex Pt(dpg)_2 and chromic compounds

铂络合物Pt(dpg)_2和铬化合物薄膜的剪切应力效应

• 期刊: Journal of Low Temperature Physics (in press)
• 作者: I.Shirotani;H.Hayashi;K.Hirano;H.Kawamura;M.Inokuchi;K.Yakushi;H.Inokuchi;Y.Uemichi;M.Inokuchi et al.
• 通讯作者: M.Inokuchi et al.

Raman Spectroscopic Study of bis(diphenylglyoximato) metal complexes under high pressure

高压下双(二苯基乙肟)金属配合物的拉曼光谱研究

• 期刊: Molecular Crystal and Liquid Crystal (in press)
• 作者: I.Shirotani;H.Hayashi;K.Hirano;H.Kawamura;M.Inokuchi;K.Yakushi;H.Inokuchi;Y.Uemichi;M.Inokuchi et al.;上道芳夫;K.Yabuuchi et al.
• 通讯作者: K.Yabuuchi et al.

Shear stress effects on electronic spectra on the one-dimensional bis(diphenylglyoximato)metal(II) complexes, M(dpg)_2 [M=Ni and Pt] under high pressure

高压下剪切应力对一维双(二苯基乙肟)金属(II)配合物M(dpg)_2 [M=Ni 和 Pt] 电子谱的影响

• 发表时间: 2003
• 期刊: Proceedings of the Japan Academy, SeriesB Vol.79
• 作者: I.Shirotani;H.Hayashi;K.Hirano;H.Kawamura;M.Inokuchi;K.Yakushi;H.Inokuchi
• 通讯作者: H.Inokuchi

Shear stress effects on electronic spectra on the one-dimensional bis(diphenylglyoximato)metal(II) complexes, M(dpg)_2[M=Ni and Pt]under high pressure

高压下剪切应力对一维双(二苯基乙肟)金属(II)配合物M(dpg)_2[M=Ni and Pt]电子谱的影响

• 发表时间: 2003
• 期刊: Proceedings of the Japan Academy SeriesB,79
• 作者: M.Inokuchi;A.Nagaoka;M.Yamamoto;I.Shirotani;J.Hayashi;K.Yakushi;H.Kawamura;H.Inokuchi;Y.Uemichi;I.Shirotani et al.
• 通讯作者: I.Shirotani et al.